/**
 * Backup
 */
var backupDownloadRunning = false;
var backupError = false;
var backupContinueRetries = 0;
var backupContinueRetriesUnique = [ ];

jQuery( document ).ready( function () {
    jQuery( '#backup_btnSubmit' ).on( 'click', function () {
        backup();
    } );
    jQuery( '#managesite-backup-status-close' ).on( 'click', function ()
    {
        backupDownloadRunning = false;
        mainwpPopup( '#managesite-backup-status-box' ).close(true);
    } );

} );
backup = function ()
{
    backupError = false;
    backupContinueRetries = 0;

    jQuery( '#backup_loading' ).show();
    var remote_destinations = jQuery( '#backup_location_remote' ).hasClass( 'mainwp_action_down' ) ? jQuery.map( jQuery( '#backup_destination_list' ).find( 'input[name="remote_destinations[]"]' ), function ( el ) {
        return { id: jQuery( el ).val(), title: jQuery( el ).attr( 'title' ), type: jQuery( el ).attr( 'destination_type' ) };
    } ) : [ ];

    var type = jQuery( '#mainwp-backup-type' ).val();
    var size = jQuery( '#backup_site_' + type + '_size' ).val();
    if ( type == 'full' )
    {
        size = size * 1024 * 1024 / 2.4; //Guessing how large the zip will be
    }
    var fileName = jQuery( '#backup_filename' ).val();
    var fileNameUID = mainwp_uid();
    var loadFilesBeforeZip = jQuery( '[name="mainwp_options_loadFilesBeforeZip"]:checked' ).val();

    var backupPid = Math.round( new Date().getTime() / 1000 );
    var data = mainwp_secure_data( {
        action: 'mainwp_backup',
        site_id: jQuery( '#backup_site_id' ).val(),
        pid: backupPid,
        type: type,
        exclude: jQuery( '#excluded_folders_list' ).val(),
        excludebackup: ( jQuery( '#mainwp-known-backup-locations' ).attr( 'checked' ) ? 1 : 0 ),
        excludecache: ( jQuery( '#mainwp-known-cache-locations' ).attr( 'checked' ) ? 1 : 0 ),
        excludenonwp: ( jQuery( '#mainwp-non-wordpress-folders' ).attr( 'checked' ) ? 1 : 0 ),
        excludezip: ( jQuery( '#mainwp-zip-archives' ).attr( 'checked' ) ? 1 : 0 ),
        filename: fileName,
        fileNameUID: fileNameUID,
        archiveFormat: jQuery( '#mainwp_archiveFormat' ).val(),
        maximumFileDescriptorsOverride: jQuery( '#mainwp_options_maximumFileDescriptorsOverride_override' ).is( ':checked' ) ? 1 : 0,
        maximumFileDescriptorsAuto: ( jQuery( '#mainwp_maximumFileDescriptorsAuto' ).attr( 'checked' ) ? 1 : 0 ),
        maximumFileDescriptors: jQuery( '#mainwp_options_maximumFileDescriptors' ).val(),
        loadFilesBeforeZip: loadFilesBeforeZip,
        subfolder: jQuery( '#backup_subfolder' ).val()
    }, true );

    mainwpPopup( '#managesite-backup-status-box' ).getContentEl().html( dateToHMS( new Date() ) + ' ' + __( 'Creating the backup file on the child site, this might take a while depending on the size. Please be patient.' ) + ' <div id="managesite-createbackup-status-progress" class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );
    jQuery( '#managesite-createbackup-status-progress' ).progress( { value: 0, total: size } );

    mainwpPopup( '#managesite-backup-status-box' ).init( { callback: function () {
            if ( !backupError ) {
                location.reload();
            }
        } } );
    var backsprocessContentEl = mainwpPopup( '#managesite-backup-status-box' ).getContentEl();

    var fnc = function ( pSiteId, pType, pFileName, pFileNameUID ) {
        return function ( pFunction ) {
            var data2 = mainwp_secure_data( {
                action: 'mainwp_createbackup_getfilesize',
                siteId: pSiteId,
                type: pType,
                fileName: pFileName,
                fileNameUID: pFileNameUID
            }, false );

            jQuery.ajax( {
                url: ajaxurl,
                data: data2,
                method: 'POST',
                success: function ( pFunc ) {
                    return function ( response ) {
                        if ( backupCreateRunning && response.error )
                        {
                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 1000 );
                            return;
                        }

                        if ( backupCreateRunning )
                        {
                            var progressBar = jQuery( '#managesite-createbackup-status-progress' );
                            if ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) )
                            {
                                progressBar.progress( 'set progress', response.size );
                            }

                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 1000 );
                        }
                    }
                }( pFunction ),
                error: function ( pFunc ) {
                    return function () {
                        if ( backupCreateRunning ) {
                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 10000 );
                        }
                    }
                }( pFunction ),
                dataType: 'json' } );
        }
    }( jQuery( '#backup_site_id' ).val(), type, fileName, fileNameUID );

    setTimeout( function () {
        fnc( fnc );
    }, 1000 );

    backupCreateRunning = true;
    jQuery.ajax( {
        url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( pSiteId, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, pData ) {
            return function ( response ) {
                if ( response.error || !response.result )
                {
                    backup_retry_fail( pSiteId, pData, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, response.error ? response.error : '' );
                } else
                {
                    backupCreateRunning = false;

                    var progressBar = jQuery( '#managesite-createbackup-status-progress' );
                    progressBar.progress( 'set progress', parseFloat( progressBar.progress( 'get total' ) ) );

                    appendToDiv( backsprocessContentEl, __( 'Backup file on child site created successfully!' ) );

                    backup_download_file( pSiteId, pType, response.result.url, response.result.local, response.result.regexfile, response.result.size, response.result.subfolder, pRemoteDestinations );
                }
            }
        }( jQuery( '#backup_site_id' ).val(), remote_destinations, backupPid, type, jQuery( '#backup_subfolder' ).val(), fileName, data ),
        error: function ( pSiteId, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, pData ) {
            return function () {
                backup_retry_fail( pSiteId, pData, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename );
            }
        }( jQuery( '#backup_site_id' ).val(), remote_destinations, backupPid, type, jQuery( '#backup_subfolder' ).val(), fileName, data ),
        dataType: 'json'
    } );
};

backup_retry_fail = function ( siteId, pData, remoteDestinations, pid, type, subfolder, filename, responseError )
{
    var backsprocessContentEl = mainwpPopup( '#managesite-backup-status-box' ).getContentEl();
    //we've got the pid file!!!!
    var data = mainwp_secure_data( {
        action: 'mainwp_backup_checkpid',
        site_id: siteId,
        pid: pid,
        type: type,
        subfolder: subfolder,
        filename: filename
    } );

    jQuery.ajax( {
        url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( response ) {
            if ( response.status == 'done' )
            {
                backupCreateRunning = false;

                var progressBar = jQuery( '#managesite-createbackup-status-progress' );
                progressBar.progress( 'set progress', parseFloat( progressBar.progress( 'get total' ) ) );

                //download!!!
                appendToDiv( backsprocessContentEl, __( 'Backup file on child site created successfully!' ) );

                backup_download_file( siteId, type, response.result.file, response.result.local, response.result.regexfile, response.result.size, response.result.subfolder, remoteDestinations );
            } else if ( response.status == 'busy' )
            {
                //Try again in 5seconds
                setTimeout( function () {
                    backup_retry_fail( siteId, pData, remoteDestinations, pid, type, subfolder, filename, responseError );
                }, 10000 );
            } else if ( response.status == 'stalled' )
            {
                backupContinueRetries++;

                if ( backupContinueRetries > 10 )
                {
                    if ( responseError != undefined )
                    {
                        appendToDiv( backsprocessContentEl, ' <span class="mainwp-red">ERROR: ' + getErrorMessage( responseError ) + '</span>' );
                    } else
                    {
                        appendToDiv( backsprocessContentEl, ' <span class="mainwp-red">ERROR: Backup timed out! <a href="https://mainwp.com/help/docs/mainwp-introduction/resolving-system-requirement-issues/">Please check this help document for more information and possible fixes</a></span>' );
                    }
                } else
                {
                    appendToDiv( backsprocessContentEl, ' Backup stalled, trying to resume from last file...' );
                    //retrying file: response.result.file !

                    pData['filename'] = response.result.file;
                    pData['append'] = 1;
                    pData = mainwp_secure_data( pData, true ); //Rescure

                    jQuery.ajax( {
                        url: ajaxurl,
                        data: pData,
                        method: 'POST',
                        success: function ( pSiteId, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, pData ) {
                            return function ( response ) {
                                if ( response.error || !response.result )
                                {
                                    backup_retry_fail( pSiteId, pData, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, response.error ? response.error : '' );
                                } else
                                {
                                    backupCreateRunning = false;

                                    var progressBar = jQuery( '#managesite-createbackup-status-progress' );
                                    progressBar.progress( 'set progress', parseFloat( progressBar.progress( 'get total' ) ) );

                                    appendToDiv( backsprocessContentEl, __( 'Backupfile on child site created successfully.' ) );

                                    backup_download_file( pSiteId, pType, response.result.url, response.result.local, response.result.regexfile, response.result.size, response.result.subfolder, pRemoteDestinations );
                                }
                            }
                        }( siteId, remoteDestinations, pid, type, subfolder, filename, pData ),
                        error: function ( pSiteId, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename, pData ) {
                            return function () {
                                backup_retry_fail( pSiteId, pData, pRemoteDestinations, pBackupPid, pType, pSubfolder, pFilename );
                            }
                        }( siteId, remoteDestinations, pid, type, subfolder, filename, pData ),
                        dataType: 'json'
                    } );
                }
            } else if ( response.status == 'invalid' )
            {
                backupCreateRunning = false;

                if ( responseError != undefined )
                {
                    appendToDiv( backsprocessContentEl, ' <span class="mainwp-red">ERROR: ' + getErrorMessage( responseError ) + '</span>' );
                } else
                {
                    appendToDiv( backsprocessContentEl, ' <span class="mainwp-red">ERROR: Backup timed out! <a href="https://mainwp.com/help/docs/mainwp-introduction/resolving-system-requirement-issues/">Please check this help document for more information and possible fixes</a></span>' );
                }
            } else
            {
                //Try again in 5seconds
                setTimeout( function () {
                    backup_retry_fail( siteId, pData, remoteDestinations, pid, type, subfolder, filename, responseError );
                }, 10000 );
            }
        },
        error: function () {
            //Try again in 10seconds
            setTimeout( function () {
                backup_retry_fail( siteId, pData, remoteDestinations, pid, type, subfolder, filename, responseError );
            }, 10000 );
        },
        dataType: 'json'
    } );
};

backup_download_file = function ( pSiteId, type, url, file, regexfile, size, subfolder, remote_destinations )
{
    var backsprocessContentEl = mainwpPopup( '#managesite-backup-status-box' ).getContentEl();
    appendToDiv( backsprocessContentEl, __( 'Downloading the file.' ) + ' <div id="managesite-backup-status-progress" class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );
    jQuery( '#managesite-backup-status-progress' ).progress( { value: 0, total: size } );

    var fnc = function () {
        return function ( pFunction ) {
            var data = mainwp_secure_data( {
                action: 'mainwp_backup_getfilesize',
                local: file
            } );
            jQuery.ajax( {
                url: ajaxurl,
                data: data,
                method: 'POST',
                success: function ( pFunc ) {
                    return function ( response ) {
                        if ( backupCreateRunning && response.error )
                        {
                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 5000 );
                            return;
                        }

                        if ( backupDownloadRunning )
                        {
                            var progressBar = jQuery( '#managesite-backup-status-progress' );
                            if ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) )
                            {
                                progressBar.progress( 'set progress', response.result );
                            }

                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 1000 );
                        }
                    }
                }( pFunction ),
                error: function ( pFunc ) {
                    return function () {
                        if ( backupCreateRunning ) {
                            setTimeout( function () {
                                pFunc( pFunc );
                            }, 10000 );
                        }
                    }
                }( pFunction ),
                dataType: 'json'
            } );
        }
    }( file );

    setTimeout( function () {
        fnc( fnc );
    }, 1000 );

    var data = mainwp_secure_data( {
        action: 'mainwp_backup_download_file',
        site_id: pSiteId,
        type: type,
        url: url,
        local: file
    } );
    backupDownloadRunning = true;

    jQuery.ajax( {
        url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( pSiteId, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pSize, pType, pUrl ) {
            return function ( response ) {
                backupDownloadRunning = false;

                if ( response.error )
                {
                    appendToDiv( backsprocessContentEl, '<span class="mainwp-red">ERROR: ' + getErrorMessage( response.error ) + '</span>' );
                    appendToDiv( backsprocessContentEl, '<span class="mainwp-red">' + __( 'Backup failed!' ) + '</span>' );

                    jQuery( '#managesite-backup-status-close' ).prop( 'value', 'Close' );
                    return;
                }

                jQuery( '#managesite-backup-status-progress' ).progress( 'set progress', pSize );
                appendToDiv( backsprocessContentEl, __( 'Download from child site completed.' ) );

                var newData = mainwp_secure_data( {
                    action: 'mainwp_backup_delete_file',
                    site_id: pSiteId,
                    file: pUrl
                } );
                jQuery.post( ajaxurl, newData, function () {}, 'json' );
                backup_upload_file( pSiteId, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pType, pSize );
            }
        }( pSiteId, file, regexfile, subfolder, remote_destinations, size, type, url ),
        error: function () {
            return function () {
                //Try again in 10seconds
                /*setTimeout(function() {
                 download_retry_fail(pSiteId, pData, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pSize, pType, pUrl);
                 },10000);*/
            }
        }( pSiteId, file, regexfile, subfolder, remote_destinations, size, type, url ),
        dataType: 'json' } );
};

var backupUploadRunning = [ ];
backup_upload_file = function ( pSiteId, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pType, pSize )
{
    var backsprocessContentEl = mainwpPopup( '#managesite-backup-status-box' ).getContentEl();
    if ( pRemoteDestinations.length > 0 )
    {
        var remote_destination = pRemoteDestinations[0];
        //upload..
        var unique = Date.now();
        appendToDiv( backsprocessContentEl, __( 'Uploading to remote destination: %1 (%2)', remote_destination.title, remote_destination.type ) + '<div id="managesite-upload-status-progress-' + unique + '"  class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );

        jQuery( '#managesite-upload-status-progress-' + unique ).progress( { value: 0, total: pSize } );

        var fnc = function ( pUnique ) {
            return function ( pFunction ) {
                var data2 = mainwp_secure_data( {
                    action: 'mainwp_backup_upload_getprogress',
                    unique: pUnique
                }, false );

                jQuery.ajax( {
                    url: ajaxurl,
                    data: data2,
                    method: 'POST',
                    success: function ( pFunc ) {
                        return function ( response ) {
                            if ( backupUploadRunning[pUnique] && response.error )
                            {
                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 1000 );
                                return;
                            }

                            if ( backupUploadRunning[pUnique] )
                            {
                                var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                                if ( ( progressBar.length > 0 ) && ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) ) && ( progressBar.progress( 'get value' ) < parseInt( response.result ) ) )
                                {
                                    progressBar.progress( 'set progress', response.result );
                                }

                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 1000 );
                            }
                        }
                    }( pFunction ),
                    error: function ( pFunc ) {
                        return function () {
                            if ( backupUploadRunning[pUnique] ) {
                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 10000 );
                            }
                        }
                    }( pFunction ),
                    dataType: 'json' } );
            }
        }( unique );

        setTimeout( function () {
            fnc( fnc );
        }, 1000 );

        backupUploadRunning[unique] = true;

        var data = mainwp_secure_data( {
            action: 'mainwp_backup_upload_file',
            file: pFile,
            siteId: pSiteId,
            regexfile: pRegexFile,
            subfolder: pSubfolder,
            type: pType,
            remote_destination: remote_destination.id,
            unique: unique
        } );

        pRemoteDestinations.shift();
        jQuery.ajax( {
            type: 'POST',
            url: ajaxurl,
            data: data,
            success: function ( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pUnique, pRemoteDestId ) {
                return function ( response ) {
                    if ( !response || response.error || !response.result )
                    {
                        backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, response && response.error ? response.error : '' );
                    } else
                    {
                        backupUploadRunning[pUnique] = false;

                        var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                        progressBar.progress( 'set progress', pSize );

                        var obj = response.result;
                        if ( obj.error )
                        {
                            backupError = true;
                            appendToDiv( backsprocessContentEl, '<span class="mainwp-red">' + __( 'Upload to %1 (%2) failed:', obj.title, obj.type ) + ' ' + obj.error + '</span>' );
                        } else
                        {
                            appendToDiv( backsprocessContentEl, __( 'Upload to %1 (%2) successful!', obj.title, obj.type ) );
                        }

                        backup_upload_file( pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                    }
                }
            }( pSiteId, pRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, data, unique, remote_destination.id ),
            error: function ( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pUnique, pRemoteDestId ) {
                return function () {
                    backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId );
                }
            }( pSiteId, pRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, data, unique, remote_destination.id ),
            dataType: 'json'
        } );
    } else
    {
        appendToDiv( backsprocessContentEl, __( 'Backup completed!' ) );
        jQuery( '#managesite-backup-status-close' ).prop( 'value', 'Close' );
        if ( !backupError )
        {
            setTimeout( function () {
                mainwpPopup( '#managesite-backup-status-box' ).close(true);
            }, 3000 );
        }
        return;
    }
};

backup_upload_file_retry_fail = function ( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError )
{
    var backsprocessContentEl = mainwpPopup( '#managesite-backup-status-box' ).getContentEl();
    //we've got the pid file!!!!
    var data = mainwp_secure_data( {
        action: 'mainwp_backup_upload_checkstatus',
        unique: pUnique,
        remote_destination: pRemoteDestId
    } );

    jQuery.ajax( {
        url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( response ) {
            if ( response.status == 'done' )
            {
                backupUploadRunning[pUnique] = false;

                var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                progressBar.progress( 'set progress', pSize );

                appendToDiv( backsprocessContentEl, __( 'Upload to %1 (%2) successful!', response.info.title, response.info.type ) );

                backup_upload_file( pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
            } else if ( response.status == 'busy' )
            {
                //Try again in 10seconds
                setTimeout( function () {
                    backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
                }, 10000 );
            } else if ( response.status == 'stalled' )
            {
                if ( backupContinueRetriesUnique[pUnique] == undefined )
                {
                    backupContinueRetriesUnique[pUnique] = 1;
                } else
                {
                    backupContinueRetriesUnique[pUnique]++;
                }

                if ( backupContinueRetriesUnique[pUnique] > 10 )
                {
                    if ( responseError != undefined )
                    {
                        backupError = true;
                        appendToDiv( backsprocessContentEl, '<span class="mainwp-red">' + __( 'Upload to %1 (%2) failed:', response.info.title, response.info.type ) + ' ' + responseError + '</span>' );
                    } else
                    {
                        appendToDiv( backsprocessContentEl, ' <span class="mainwp-red">ERROR: Upload timed out! <a href="http://docs.mainwp.com/backup-failed-php-ini-settings/">Please check this help document for more information and possible fixes</a></span>' );
                    }

                    backup_upload_file( pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                } else
                {
                    appendToDiv( backsprocessContentEl, ' Upload stalled, trying to resume from last position...' );

                    pData = mainwp_secure_data( pData ); //Rescure

                    jQuery.ajax( {
                        url: ajaxurl,
                        data: pData,
                        method: 'POST',
                        success: function ( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pRemoteDestId ) {
                            return function ( response ) {
                                if ( response.error || !response.result )
                                {
                                    backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, response.error ? response.error : '' );
                                } else
                                {
                                    backupUploadRunning[pUnique] = false;

                                    var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                                    progressBar.progress( 'set progress', pSize );

                                    var obj = response.result;
                                    if ( obj.error )
                                    {
                                        backupError = true;
                                        appendToDiv( backsprocessContentEl, '<span class="mainwp-red">' + __( 'Upload to %1 (%2) failed:', obj.title, obj.type ) + ' ' + obj.error + '</span>' );
                                    } else
                                    {
                                        appendToDiv( backsprocessContentEl, __( 'Upload to %1 (%2) successful!', obj.title, obj.type ) );
                                    }

                                    backup_upload_file( pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                                }
                            }
                        }( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pRemoteDestId ),
                        error: function ( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pRemoteDestId ) {
                            return function () {
                                backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId );
                            }
                        }( pSiteId, pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSize, pData, pRemoteDestId ),
                        dataType: 'json'
                    } );
                }
            } else
            {
                //Try again in 5seconds
                setTimeout( function () {
                    backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
                }, 10000 );
            }
        },
        error: function () {
            //Try again in 10seconds
            setTimeout( function () {
                backup_upload_file_retry_fail( pData, pSiteId, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
            }, 10000 );
        },
        dataType: 'json'
    } );
};


/**
 * Manage backups page
 */
jQuery( document ).ready( function () {
    jQuery( document ).on( 'click', '.backup_destination_exclude', function ()
    {
        jQuery( this ).parent().parent().animate( { height: 0 }, { duration: 'slow', complete: function () {
                jQuery( this ).remove();
            } } );
    } );
    jQuery( '#mainwp_managebackups_add' ).on( 'click', function ( event ) {
        mainwp_managebackups_add( event );
    } );
    jQuery( '#mainwp_managebackups_update' ).on( 'click', function ( event ) {
        mainwp_managebackups_update( event );
    } );
    jQuery( document ).on( 'click', '.backup_run_now', function ()
    {
        managebackups_run_now( jQuery( this ) );
        return false;
    } );
    jQuery( document ).on( 'click', '#managebackups-task-status-close', function ()
    {
        backupDownloadRunning = false;
        mainwpPopup( '#managebackups-task-status-box' ).close(true);
    } );
    managebackups_init();

} );
managebackups_exclude_folder = function ( pElement )
{
    var folder = pElement.parent().attr( 'rel' ) + "\n";
    if ( jQuery( '#excluded_folders_list' ).val().indexOf( folder ) !== -1 )
        return;

    jQuery( '#excluded_folders_list' ).val( jQuery( '#excluded_folders_list' ).val() + folder );
};

var manageBackupsError = false;
var manageBackupsTaskRemoteDestinations;
var manageBackupsTaskId;
var manageBackupsTaskType;
var manageBackupsTaskError;
managebackups_run_now = function ( el )
{
    el = jQuery( el );
    el.hide();
    el.parent().find( '.backup_run_loading' ).show();
    mainwpPopup( '#managebackups-task-status-box' ).getContentEl().html( dateToHMS( new Date() ) + ' ' + __( 'Starting the backup task...' ) );
    jQuery( '#managebackups-task-status-close' ).prop( 'value', __( 'Cancel' ) );
    mainwpPopup( '#managebackups-task-status-box' ).init( { title: __( 'Running task' ), callback: function () {
            location.reload();
        } } );

    var taskId = el.attr( 'task_id' );
    var taskType = el.attr( 'task_type' );
    //Fetch the sites to backup
    var data = mainwp_secure_data( {
        action: 'mainwp_backuptask_get_sites',
        task_id: taskId
    } );

    manageBackupsError = false;

    jQuery.post( ajaxurl, data, function ( pTaskId, pTaskType ) {
        return function ( response ) {
            manageBackupTaskSites = response.result.sites;
            manageBackupsTaskRemoteDestinations = response.result.remoteDestinations;
            manageBackupsTaskId = pTaskId;
            manageBackupsTaskType = pTaskType;
            manageBackupsTaskError = false;

            managebackups_run_next();
        }
    }( taskId, taskType ), 'json' );
};
managebackups_run_next = function ()
{
    var backtaskContentEl = mainwpPopup( '#managebackups-task-status-box' ).getContentEl();
    if ( manageBackupTaskSites.length == 0 )
    {
        appendToDiv( backtaskContentEl, __( 'Backup task completed' ) + ( manageBackupsTaskError ? ' <span class="mainwp-red">' + __( 'with errors' ) + '</span>' : '' ) + '.' );

        jQuery( '#managebackups-task-status-close' ).prop( 'value', __( 'Close' ) );
        if ( !manageBackupsError )
        {
            setTimeout( function () {
                mainwpPopup( '#managebackups-task-status-box' ).close(true);
            }, 3000 );
        }
        return;
    }

    var siteId = manageBackupTaskSites[0]['id'];
    var siteName = manageBackupTaskSites[0]['name'];
    var size = manageBackupTaskSites[0][manageBackupsTaskType + 'size'];
    var fileNameUID = mainwp_uid();
    appendToDiv( backtaskContentEl, '[' + siteName + '] ' + __( 'Creating backup file.' ) + '<div id="managebackups-task-status-create-progress" siteId="' + siteId + '" class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );

    manageBackupTaskSites.shift();
    var data = mainwp_secure_data( {
        action: 'mainwp_backuptask_run_site',
        task_id: manageBackupsTaskId,
        site_id: siteId,
        fileNameUID: fileNameUID
    } );

    jQuery( '#managebackups-task-status-create-progress[siteId="' + siteId + '"]' ).progress( { value: 0, total: size } );
    var interVal = setInterval( function () {
        var data = mainwp_secure_data( {
            action: 'mainwp_createbackup_getfilesize',
            type: manageBackupsTaskType,
            siteId: siteId,
            fileName: '',
            fileNameUID: fileNameUID
        } );
        jQuery.post( ajaxurl, data, function ( pSiteId ) {
            return function ( response ) {
                if ( response.error )
                    return;

                if ( backupCreateRunning )
                {
                    var progressBar = jQuery( '#managebackups-task-status-create-progress[siteId="' + pSiteId + '"]' );
                    if ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) )
                    {
                        progressBar.progress( 'set progress', response.size );
                    }
                }
            }
        }( siteId ), 'json' );
    }, 1000 );

    backupCreateRunning = true;

    jQuery.ajax( { url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( pTaskId, pSiteId, pSiteName, pRemoteDestinations, pInterVal ) {
            return function ( response ) {
                backupCreateRunning = false;
                clearInterval( pInterVal );

                var progressBar = jQuery( '#managebackups-task-status-create-progress[siteId="' + pSiteId + '"]' );
                progressBar.progress( 'set progress', parseFloat( progressBar.progress( 'get total' ) ) );

                if ( response.error )
                {
                    appendToDiv( backtaskContentEl, '[' + pSiteName + '] <span class="mainwp-red">Error: ' + getErrorMessage( response.error ) + '</span>' );
                    manageBackupsTaskError = true;
                    managebackups_run_next();
                } else
                {
                    appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Backup file created successfully.' ) );

                    managebackups_backup_download_file( pSiteId, pSiteName, response.result.type, response.result.url, response.result.local, response.result.regexfile, response.result.size, response.result.subfolder, pRemoteDestinations );
                }
            }
        }( manageBackupsTaskId, siteId, siteName, manageBackupsTaskRemoteDestinations.slice( 0 ), interVal ),
        error: function ( pInterVal, pSiteName ) {
            return function () {
                backupCreateRunning = false;
                clearInterval( pInterVal );
                appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + '<span class="mainwp-red">ERROR: Backup timed out - <a href="https://mainwp.com/help/docs/mainwp-introduction/resolving-system-requirement-issues/">Please check this help document for more information and possible fixes</a></span>' );
            }
        }( interVal, siteName ), dataType: 'json' } );
};

managebackups_backup_download_file = function ( pSiteId, pSiteName, type, url, file, regexfile, size, subfolder, remote_destinations )
{
    var backtaskContentEl = mainwpPopup( '#managebackups-task-status-box' ).getContentEl();
    appendToDiv( backtaskContentEl, '[' + pSiteName + '] Downloading the file. <div id="managebackups-task-status-progress" siteId="' + pSiteId + '" class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );
    jQuery( '#managebackups-task-status-progress[siteId="' + pSiteId + '"]' ).progress( { value: 0, total: size } );
    var interVal = setInterval( function () {
        var data = mainwp_secure_data( {
            action: 'mainwp_backup_getfilesize',
            local: file
        } );
        jQuery.post( ajaxurl, data, function ( pSiteId ) {
            return function ( response ) {
                if ( response.error )
                    return;

                if ( backupDownloadRunning )
                {
                    var progressBar = jQuery( '#managebackups-task-status-progress[siteId="' + pSiteId + '"]' );
                    if ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) )
                    {
                        progressBar.progress( 'set progress', response.result );
                    }
                }
            }
        }( pSiteId ), 'json' );
    }, 500 );

    var data = mainwp_secure_data( {
        action: 'mainwp_backup_download_file',
        site_id: pSiteId,
        type: type,
        url: url,
        local: file
    } );
    backupDownloadRunning = true;
    jQuery.post( ajaxurl, data, function ( pFile, pRegexFile, pSubfolder, pRemoteDestinations, pSize, pType, pInterVal, pSiteName, pSiteId, pUrl ) {
        return function ( response ) {
            backupDownloadRunning = false;
            clearInterval( pInterVal );

            if ( response.error )
            {
                appendToDiv( backtaskContentEl, '[' + pSiteName + '] <span class="mainwp-red">ERROR: ' + getErrorMessage( response.error ) + '</span>' );
                appendToDiv( backtaskContentEl, '[' + pSiteName + '] <span class="mainwp-red">' + __( 'Backup failed!' ) + '</span>' );

                manageBackupsError = true;
                managebackups_run_next();
                return;
            }

            jQuery( '#managebackups-task-status-progress[siteId="' + pSiteId + '"]' ).progress( 'set progress', pSize );
            appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Download from child site completed.' ) );


            var newData = mainwp_secure_data( {
                action: 'mainwp_backup_delete_file',
                site_id: pSiteId,
                file: pUrl
            } );
            jQuery.post( ajaxurl, newData, function () {}, 'json' );

            managebackups_backup_upload_file( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pType, pSize );
        }
    }( file, regexfile, subfolder, remote_destinations, size, type, interVal, pSiteName, pSiteId, url ), 'json' );
};

managebackups_backup_upload_file = function ( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pRemoteDestinations, pType, pSize )
{
    var backtaskContentEl = mainwpPopup( '#managebackups-task-status-box' ).getContentEl();
    if ( pRemoteDestinations.length > 0 )
    {
        var remote_destination = pRemoteDestinations[0];
        //upload..
        var unique = Date.now();
        appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Uploading to selected remote destination: %1 (%2)', remote_destination.title, remote_destination.type ) + '<div id="managesite-upload-status-progress-' + unique + '" class="ui green progress"><div class="bar"><div class="progress"></div></div></div>' );

        jQuery( '#managesite-upload-status-progress-' + unique ).progress( { value: 0, total: pSize } );

        var fnc = function ( pUnique ) {
            return function ( pFunction ) {
                var data2 = mainwp_secure_data( {
                    action: 'mainwp_backup_upload_getprogress',
                    unique: pUnique
                }, false );

                jQuery.ajax( {
                    url: ajaxurl,
                    data: data2,
                    method: 'POST',
                    success: function ( pFunc ) {
                        return function ( response ) {
                            if ( backupUploadRunning[pUnique] && response.error )
                            {
                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 1000 );
                                return;
                            }

                            if ( backupUploadRunning[pUnique] )
                            {
                                var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                                if ( ( progressBar.length > 0 ) && ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) ) && ( progressBar.progress( 'get value' ) < parseInt( response.result ) ) )
                                {
                                    progressBar.progress( 'set progress', response.result );
                                }

                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 1000 );
                            }
                        }
                    }( pFunction ),
                    error: function ( pFunc ) {
                        return function () {
                            if ( backupUploadRunning[pUnique] ) {
                                setTimeout( function () {
                                    pFunc( pFunc );
                                }, 10000 );
                            }
                        }
                    }( pFunction ),
                    dataType: 'json' } );
            }
        }( unique );

        setTimeout( function () {
            fnc( fnc );
        }, 1000 );

        backupUploadRunning[unique] = true;

        var data = mainwp_secure_data( {
            action: 'mainwp_backup_upload_file',
            file: pFile,
            siteId: pSiteId,
            regexfile: pRegexFile,
            subfolder: pSubfolder,
            type: pType,
            remote_destination: remote_destination.id,
            unique: unique
        } );

        pRemoteDestinations.shift();
        jQuery.ajax( {
            type: 'POST',
            url: ajaxurl,
            data: data,
            success: function ( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ) {
                return function ( response ) {
                    if ( !response || response.error || !response.result )
                    {
                        managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, response.error ? response.error : '' );
                    } else
                    {
                        backupUploadRunning[pUnique] = false;

                        var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                        progressBar.progress( 'set progress', pSize );

                        var obj = response.result;
                        if ( obj.error )
                        {
                            manageBackupsError = true;
                            appendToDiv( backtaskContentEl, '<span class="mainwp-red">[' + pSiteName + '] ' + __( 'Upload to %1 (%2) failed:', obj.title, obj.type ) + ' ' + obj.error + '</span>' );
                        } else
                        {
                            appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Upload to %1 (%2) successful', obj.title, obj.type ) );
                        }

                        managebackups_backup_upload_file( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                    }
                }
            }( pRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, data, unique, remote_destination.id ),
            error: function ( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ) {
                return function () {
                    managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId );
                }
            }( pRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, data, unique, remote_destination.id ),
            dataType: 'json'
        } );
    } else
    {
        appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Backup completed.' ) );
        managebackups_run_next();
    }
};

managebackups_backup_upload_file_retry_fail = function ( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError )
{
    var backtaskContentEl = mainwpPopup( '#managebackups-task-status-box' ).getContentEl();
    //we've got the pid file!!!!
    var data = mainwp_secure_data( {
        action: 'mainwp_backup_upload_checkstatus',
        unique: pUnique,
        remote_destination: pRemoteDestId
    } );

    jQuery.ajax( {
        url: ajaxurl,
        data: data,
        method: 'POST',
        success: function ( response ) {
            if ( response.status == 'done' )
            {
                backupUploadRunning[pUnique] = false;

                var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                progressBar.progress( 'set progress', pSize );

                appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Upload to %1 (%2) successful', response.info.title, response.info.type ) );

                managebackups_backup_upload_file( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
            } else if ( response.status == 'busy' )
            {
                //Try again in 10seconds
                setTimeout( function () {
                    managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
                }, 10000 );
            } else if ( response.status == 'stalled' )
            {
                if ( backupContinueRetriesUnique[pUnique] == undefined )
                {
                    backupContinueRetriesUnique[pUnique] = 1;
                } else
                {
                    backupContinueRetriesUnique[pUnique]++;
                }

                if ( backupContinueRetriesUnique[pUnique] > 10 )
                {
                    if ( responseError != undefined )
                    {
                        manageBackupsError = true;
                        appendToDiv( backtaskContentEl, '<span class="mainwp-red">[' + pSiteName + '] ' + __( 'Upload to %1 (%2) failed:', response.info.title, response.info.type ) + ' ' + responseError + '</span>' );
                    } else
                    {
                        appendToDiv( backtaskContentEl, ' <span class="mainwp-red">[' + pSiteName + '] ERROR: Upload timed out - <a href="http://docs.mainwp.com/backup-failed-php-ini-settings/">Please check this help document for more information and possible fixes</a></span>' );
                    }

                    managebackups_backup_upload_file( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                } else
                {
                    appendToDiv( backtaskContentEl, ' [' + pSiteName + '] Upload stalled, trying to resume from last position.' );

                    pData = mainwp_secure_data( pData ); //Rescure

                    jQuery.ajax( {
                        url: ajaxurl,
                        data: pData,
                        method: 'POST',
                        success: function ( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ) {
                            return function ( response ) {
                                if ( response.error || !response.result )
                                {
                                    managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, response.error ? response.error : '' );
                                } else
                                {
                                    backupUploadRunning[pUnique] = false;

                                    var progressBar = jQuery( '#managesite-upload-status-progress-' + pUnique );
                                    progressBar.progress( 'set progress', pSize );

                                    var obj = response.result;
                                    if ( obj.error )
                                    {
                                        manageBackupsError = true;
                                        appendToDiv( backtaskContentEl, '<span class="mainwp-red">[' + pSiteName + '] ' + __( 'Upload to %1 (%2) failed:', obj.title, obj.type ) + ' ' + obj.error + '</span>' );
                                    } else
                                    {
                                        appendToDiv( backtaskContentEl, '[' + pSiteName + '] ' + __( 'Upload to %1 (%2) successful', obj.title, obj.type ) );
                                    }

                                    managebackups_backup_upload_file( pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize );
                                }
                            }
                        }( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ),
                        error: function ( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ) {
                            return function () {
                                managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
                            }
                        }( pNewRemoteDestinations, pFile, pRegexFile, pSubfolder, pType, pSiteName, pSiteId, pSize, pData, pUnique, pRemoteDestId ),
                        dataType: 'json'
                    } );
                }
            } else
            {
                //Try again in 5seconds
                setTimeout( function () {
                    managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
                }, 10000 );
            }
        },
        error: function () {
            //Try again in 10seconds
            setTimeout( function () {
                managebackups_backup_upload_file_retry_fail( pData, pSiteId, pSiteName, pFile, pRegexFile, pSubfolder, pNewRemoteDestinations, pType, pSize, pUnique, pRemoteDestId, responseError );
            }, 10000 );
        },
        dataType: 'json'
    } );
};

managebackups_init = function () {
    setVisible( '#mainwp_managebackups_add_errors', false );

    jQuery( '#mainwp_managebackups_add_errors' ).html();
    jQuery( '#mainwp_managebackups_add_message' ).html();
};

mainwp_managebackups_update = function () {
    managebackups_init();

    var errors = [ ];
    if ( jQuery( '#mainwp_managebackups_add_name' ).val() == '' ) {
        errors.push( __( 'Please enter a valid name for your backup task' ) );
    }

    if ( jQuery( '#select_by' ).val() == 'site' ) {
        var selected_sites = [ ];
        jQuery( "input[name='selected_sites[]']:checked" ).each( function () {
            selected_sites.push( jQuery( this ).val() );
        } );
        if ( selected_sites.length == 0 ) {
            errors.push( __( 'Please select websites or groups to add a backup task.' ) );
        }
    } else {
        var selected_groups = [ ];
        jQuery( "input[name='selected_groups[]']:checked" ).each( function () {
            selected_groups.push( jQuery( this ).val() );
        } );
        if ( selected_groups.length == 0 ) {
            errors.push( __( 'Please select websites or groups to add a backup task.' ) );
        }
    }

    if ( errors.length > 0 ) {
        feedback( 'mainwp-message-zone', errors.join( '<br />' ), 'red' );
    } else {
        feedback( 'mainwp-message-zone', __( 'Adding the task...' ), 'green' );

        jQuery( '#mainwp_managebackups_update' ).attr( 'disabled', 'true' ); //disable button to add..

        //var loadFilesBeforeZip = jQuery( '[name="mainwp_options_loadFilesBeforeZip"]:checked' ).val();
        var name = jQuery( '#mainwp_managebackups_add_name' ).val();
        name = name.replace( /"/g, '&quot;' );
        var data = mainwp_secure_data( {
            action: 'mainwp_updatebackup',
            id: jQuery( '#mainwp_managebackups_edit_id' ).val(),
            name: name,
            schedule: jQuery( '#mainwp-backup-task-schedule' ).val(),
            type: jQuery( '#mainwp-backup-type' ).val(),
            exclude: ( jQuery( '#mainwp-backup-type' ).val() == 'full' ? jQuery( '#excluded_folders_list' ).val() : '' ),
            excludebackup: ( jQuery( '#mainwp-known-backup-locations' ).attr( 'checked' ) ? 1 : 0 ),
            excludecache: ( jQuery( '#mainwp-known-cache-locations' ).attr( 'checked' ) ? 1 : 0 ),
            excludenonwp: ( jQuery( '#mainwp-non-wordpress-folders' ).attr( 'checked' ) ? 1 : 0 ),
            excludezip: ( jQuery( '#mainwp-zip-archives' ).attr( 'checked' ) ? 1 : 0 ),
            'groups[]': selected_groups,
            'sites[]': selected_sites,
            subfolder: jQuery( '#mainwp_managebackups_add_subfolder' ).val(),
            filename: jQuery( '#backup_filename' ).val(),
            archiveFormat: jQuery( '#mainwp_archiveFormat' ).val(),
            maximumFileDescriptorsOverride: jQuery( '#mainwp_options_maximumFileDescriptorsOverride_override' ).is( ':checked' ) ? 1 : 0,
            maximumFileDescriptorsAuto: ( jQuery( '#mainwp_maximumFileDescriptorsAuto' ).attr( 'checked' ) ? 1 : 0 ),
            maximumFileDescriptors: jQuery( '#mainwp_options_maximumFileDescriptors' ).val(),
            //loadFilesBeforeZip: loadFilesBeforeZip
        } );
        jQuery.post( ajaxurl, data, function ( response ) {
            managebackups_init();
            if ( response.error != undefined ) {
                feedback( 'mainwp-message-zone', response.error, 'red' );
            } else {
                //Message the backup task was added
                feedback( 'mainwp-message-zone', response.result, 'green' );
            }

            jQuery( '#mainwp_managebackups_update' ).prop("disabled", false); //Enable add button
        }, 'json' );
    }
};
mainwp_managebackups_add = function () {
    managebackups_init();

    var errors = [ ];
    if ( jQuery( '#mainwp_managebackups_add_name' ).val() == '' ) {
        errors.push( __( 'Please enter a valid name for your backup task' ) );
    }

    if ( jQuery( '#select_by' ).val() == 'site' ) {
        var selected_sites = [ ];
        jQuery( "input[name='selected_sites[]']:checked" ).each( function () {
            selected_sites.push( jQuery( this ).val() );
        } );
        if ( selected_sites.length == 0 ) {
            errors.push( __( 'Please select websites or groups.' ) );
        }
    } else {
        var selected_groups = [ ];
        jQuery( "input[name='selected_groups[]']:checked" ).each( function () {
            selected_groups.push( jQuery( this ).val() );
        } );
        if ( selected_groups.length == 0 ) {
            errors.push(  __( 'Please select websites or groups.' ) );
        }
    }

    console.log(errors);

    if ( errors.length > 0 ) {
        feedback( 'mainwp-message-zone', errors.join( '<br />' ), 'red' );
    } else {
        feedback( 'mainwp-message-zone', __( 'Adding the task...' ), 'green' );

        jQuery( '#mainwp_managebackups_add' ).attr( 'disabled', 'true' ); //disable button to add..

        jQuery( '#mainwp_managesites_add' ).attr( 'disabled', 'true' ); //Disable add button
        var loadFilesBeforeZip = jQuery( '[name="mainwp_options_loadFilesBeforeZip"]:checked' ).val();
        var name = jQuery( '#mainwp_managebackups_add_name' ).val();
        name = name.replace( /"/g, '&quot;' );
        var data = mainwp_secure_data( {
            action: 'mainwp_addbackup',
            name: name,
            schedule: jQuery( '#mainwp-backup-task-schedule' ).val(),
            type: jQuery( '#mainwp-backup-type' ).val(),
            exclude: ( jQuery( '#mainwp-backup-type' ).val() == 'full' ? jQuery( '#excluded_folders_list' ).val() : '' ),
            excludebackup: ( jQuery( '#mainwp-known-backup-locations' ).attr( 'checked' ) ? 1 : 0 ),
            excludecache: ( jQuery( '#mainwp-known-cache-locations' ).attr( 'checked' ) ? 1 : 0 ),
            excludenonwp: ( jQuery( '#mainwp-non-wordpress-folders' ).attr( 'checked' ) ? 1 : 0 ),
            excludezip: ( jQuery( '#mainwp-zip-archives' ).attr( 'checked' ) ? 1 : 0 ),
            'groups[]': selected_groups,
            'sites[]': selected_sites,
            subfolder: jQuery( '#mainwp_managebackups_add_subfolder' ).val(),
            filename: jQuery( '#backup_filename' ).val(),
            archiveFormat: jQuery( '#mainwp_archiveFormat' ).val(),
            maximumFileDescriptorsOverride: jQuery( '#mainwp_options_maximumFileDescriptorsOverride_override' ).is( ':checked' ) ? 1 : 0,
            maximumFileDescriptorsAuto: ( jQuery( '#mainwp_maximumFileDescriptorsAuto' ).attr( 'checked' ) ? 1 : 0 ),
            maximumFileDescriptors: jQuery( '#mainwp_options_maximumFileDescriptors' ).val(),
            loadFilesBeforeZip: loadFilesBeforeZip
        } );
        jQuery.post( ajaxurl, data, function ( response ) {
            managebackups_init();
            if ( response.error != undefined ) {
                feedback( 'mainwp-message-zone', response.error, 'red' );
            } else {
                //Message the backup task was added
                location.href = 'admin.php?page=ManageBackups&a=1';
                feedback( 'mainwp-message-zone', response.result, 'green' );
            }
            jQuery( '#mainwp_managebackups_add' ).prop("disabled", false); //Enable add button
        }, 'json' );
    }
};
managebackups_remove = function ( element ) {
    var id = jQuery( element ).attr( 'task_id' );
    managebackups_init();

    var msg = __( 'Are you sure you want to delete this backup task?' );
    mainwp_confirm(msg, function(){
            jQuery( '#task-status-' + id ).html( __( 'Removing the task...' ) );
            var data = mainwp_secure_data( {
                action: 'mainwp_removebackup',
                id: id
            } );
            jQuery.post( ajaxurl, data, function ( pElement ) {
                return function ( response ) {
                    managebackups_init();
                    var result = '';
                    var error = '';
                    if ( response.error != undefined )
                    {
                        error = response.error;
                    } else if ( response.result == 'SUCCESS' ) {
                        result = __( 'The task has been removed.' );
                    } else {
                        error = __( 'An undefined error occured.' );
                    }

                    if ( error != '' ) {
                        setHtml( '#mainwp_managebackups', error );
                    }
                    if ( result != '' ) {
                        setHtml( '#mainwp_managebackups_add_message', result );
                    }
                    jQuery( '#task-status-' + id ).html( '' );
                    if ( error == '' ) {
                        jQuery( pElement ).closest( 'tr' ).remove();
                    }
                }
            }( element ), 'json' );
    });
    return false;
};
managebackups_resume = function ( element ) {
    var id = jQuery( element ).attr( 'task_id' );
    managebackups_init();

    jQuery( '#task-status-' + id ).html( __( 'Resuming the task...' ) );
    var data = mainwp_secure_data( {
        action: 'mainwp_resumebackup',
        id: id
    } );
    jQuery.post( ajaxurl, data, function ( pElement, pId ) {
        return function ( response ) {
            managebackups_init();
            var result = '';
            var error = '';
            if ( response.error != undefined )
            {
                error = response.error;
            } else if ( response.result == 'SUCCESS' ) {
                result = __( 'The task has been resumed.' );
            } else {
                error = __( 'An undefined error occured.' );
            }

            if ( error != '' ) {
                setHtml( '#mainwp_managebackups', error );
            }
            if ( result != '' ) {
                setHtml( '#mainwp_managebackups_add_message', result );
            }
            jQuery( '#task-status-' + id ).html( '' );

            if ( error == '' )
            {
                jQuery( pElement ).after( '<a href="#" task_id="' + pId + '" onClick="return managebackups_pause(this)">' + __( 'Pause' ) + '</a>' );
                jQuery( pElement ).remove();
            }
        }
    }( element, id ), 'json' );

    return false;
};
managebackups_pause = function ( element ) {
    var id = jQuery( element ).attr( 'task_id' );
    managebackups_init();

    jQuery( '#task-status-' + id ).html( __( 'Pausing the task...' ) );
    var data = mainwp_secure_data( {
        action: 'mainwp_pausebackup',
        id: id
    } );
    jQuery.post( ajaxurl, data, function ( pElement, pId ) {
        return function ( response ) {
            managebackups_init();
            var result = '';
            var error = '';
            if ( response.error != undefined )
            {
                error = response.error;
            } else if ( response.result == 'SUCCESS' ) {
                result = __( 'The task has been paused.' );
            } else {
                error = __( 'An undefined error occured.' );
            }

            if ( error != '' ) {
                setHtml( '#mainwp_managebackups', error );
            }
            if ( result != '' ) {
                setHtml( '#mainwp_managebackups_add_message', result );
            }
            jQuery( '#task-status-' + id ).html( '' );
            if ( error == '' )
            {
                jQuery( pElement ).after( '<a href="#" task_id="' + pId + '" onClick="return managebackups_resume(this)">' + __( 'Resume' ) + '</a>' );
                jQuery( pElement ).remove();
            }
        }
    }( element, id ), 'json' );

    return false;
};


jQuery( document ).on( 'click', '#updatesoverview-backup-ignore', function () {
    if ( updatesoverviewContinueAfterBackup != undefined ) {
        mainwpPopup( '#updatesoverview-backup-box' ).close();
        console.log( updatesoverviewContinueAfterBackup );
        updatesoverviewContinueAfterBackup();
        updatesoverviewContinueAfterBackup = undefined;
    }
} );

var updatesoverviewShowBusyFunction;
var updatesoverviewShowBusyTimeout;
mainwp_updatesoverview_checkBackups = function ( sitesToUpdate, siteNames ) {
    if ( mainwpParams['disable_checkBackupBeforeUpgrade'] == true ) {
        if ( updatesoverviewContinueAfterBackup != undefined )
            updatesoverviewContinueAfterBackup();
        return false;
    }

    updatesoverviewShowBusyFunction = function ()
    {

        var output = __( 'Checking if a backup is required for the selected updates...' );
        mainwpPopup( '#updatesoverview-backup-box' ).getContentEl().html( output );
        jQuery( '#updatesoverview-backup-all' ).hide();
        jQuery( '#updatesoverview-backup-ignore' ).hide();

        mainwpPopup( '#updatesoverview-backup-box' ).init( { title: __( "Checking backup settings..." ), callback: function () {
                window.location.href = location.href
            } } );
    };

    updatesoverviewShowBusyTimeout = setTimeout( updatesoverviewShowBusyFunction, 300 );

    //Step 2: Check if backups are ok.
    var data = mainwp_secure_data( {
        action: 'mainwp_checkbackups',
        sites: sitesToUpdate
    } );

    jQuery.ajax( {
        type: "POST",
        url: ajaxurl,
        data: data,
        success: function ( pSiteNames ) {
            return function ( response )
            {                
                clearTimeout( updatesoverviewShowBusyTimeout );

                mainwpPopup( '#updatesoverview-backup-box' ).close();

                var siteFeedback = undefined;

                if ( response['result'] && response['result']['sites'] != undefined )
                {
                    siteFeedback = [ ];
                    for ( var currSiteId in response['result']['sites'] )
                    {
                        if ( response['result']['sites'][currSiteId] == false )
                        {
                            siteFeedback.push( currSiteId );
                        }
                    }
                    if ( siteFeedback.length == 0 )
                        siteFeedback = undefined;
                }

                 if ( siteFeedback != undefined )
                {
                    var backupPrimary = '';
                    if ( response['result']['primary_backup'] && response['result']['primary_backup'] != undefined )
                        backupPrimary = response['result']['primary_backup'];

                    if ( backupPrimary == '' ) {
                        jQuery( '#updatesoverview-backup-all' ).show();
                        jQuery( '#updatesoverview-backup-ignore' ).show();
                    } else {
                        var backupLink = mainwp_get_primaryBackup_link( backupPrimary );
                        jQuery( '#updatesoverview-backup-now' ).attr( 'href', backupLink ).show();
                        jQuery( '#updatesoverview-backup-ignore' ).val( __( 'Proceed with Updates' ) ).show();
                    }

                    var output = '<span class="mainwp-red">' + __( 'A full backup has not been taken in the last days for the following sites:' ) + '</span><br /><br />';

                    if ( backupPrimary == '' ) { // default backup feature
                        for ( var j = 0; j < siteFeedback.length; j++ )
                        {
                            output += '<span class="updatesoverview-backup-site" siteid="' + siteFeedback[j] + '">' + decodeURIComponent( pSiteNames[siteFeedback[j]] ) + '</span><br />';
                        }
                    } else {
                        for ( var j = 0; j < siteFeedback.length; j++ )
                        {
                            output += '<span>' + decodeURIComponent( pSiteNames[siteFeedback[j]] ) + '</span><br />';
                        }
                    }

                    mainwpPopup( '#updatesoverview-backup-box' ).getContentEl().html( output );

                    mainwpPopup( '#updatesoverview-backup-box' ).init( { title: __( "Full backup required!" ), callback: function () {
                            updatesoverviewContinueAfterBackup = undefined;
                            window.location.href = location.href
                        } } );
                    return false;
                }

                if ( updatesoverviewContinueAfterBackup != undefined )
                    updatesoverviewContinueAfterBackup();
            }
        }( siteNames ),
        error: function ()
        {

            mainwpPopup( '#updatesoverview-backup-box' ).close(true);
        },
        dataType: 'json'
    } );

    return false;
};


jQuery( document ).on( 'click', '#updatesoverview-backupnow-close', function () {
    if ( jQuery( this ).prop( 'cancel' ) == '1' )
    {
        updatesoverviewBackupSites = [ ];
        updatesoverviewBackupError = false;
        updatesoverviewBackupDownloadRunning = false;
        mainwpPopup( '#updatesoverview-backup-box' ).close(true);
    } else
    {
        mainwpPopup( '#updatesoverview-backup-box' ).close();
        if ( updatesoverviewContinueAfterBackup != undefined )
            updatesoverviewContinueAfterBackup();
    }
} );
jQuery( document ).on( 'click', '#updatesoverview-backup-all', function () {

    // change action buttons
    mainwpPopup( '#updatesoverview-backup-box' ).setActionButtons( '<input id="updatesoverview-backupnow-close" type="button" name="Ignore" value="' + __( 'Cancel' ) + '" class="button"/>' );
    mainwpPopup( '#updatesoverview-backup-box' ).init( { title: __( "Full backup" ), callback: function () {
            updatesoverviewContinueAfterBackup = undefined;
            window.location.href = location.href
        } } );

    var sitesToBackup = jQuery( '.updatesoverview-backup-site' );
    updatesoverviewBackupSites = [ ];
    for ( var i = 0; i < sitesToBackup.length; i++ )
    {
        var currentSite = [ ];
        currentSite['id'] = jQuery( sitesToBackup[i] ).attr( 'siteid' );
        currentSite['name'] = jQuery( sitesToBackup[i] ).text();
        updatesoverviewBackupSites.push( currentSite );
    }
    updatesoverview_backup_run();
} );

var updatesoverviewBackupSites;
var updatesoverviewBackupError;
var updatesoverviewBackupDownloadRunning;

updatesoverview_backup_run = function ()
{
    mainwpPopup( '#updatesoverview-backup-box' ).getContentEl().html( dateToHMS( new Date() ) + ' ' + __( 'Starting required backup(s)...' ) );
    jQuery( '#updatesoverview-backupnow-close' ).prop( 'value', __( 'Cancel' ) );
    jQuery( '#updatesoverview-backupnow-close' ).prop( 'cancel', '1' );
    updatesoverview_backup_run_next();
};

updatesoverview_backup_run_next = function ()
{
    var backupContentEl = mainwpPopup( '#updatesoverview-backup-box' ).getContentEl();
    if ( updatesoverviewBackupSites.length == 0 )
    {
        appendToDiv( backupContentEl, __( 'Required backup(s) completed' ) + ( updatesoverviewBackupError ? ' <span class="mainwp-red">' + __( 'with errors' ) + '</span>' : '' ) + '.' );

        jQuery( '#updatesoverview-backupnow-close' ).prop( 'cancel', '0' );
        if ( updatesoverviewBackupError )
        {
            jQuery( '#updatesoverview-backupnow-close' ).prop( 'value', __( 'Continue update anyway' ) );
        } else
        {
            jQuery( '#updatesoverview-backupnow-close' ).prop( 'value', __( 'Continue update' ) );
        }
        return;
    }

    var siteName = updatesoverviewBackupSites[0]['name'];
    appendToDiv( backupContentEl, '[' + siteName + '] ' + __( 'Creating backup file...' ) );

    var siteId = updatesoverviewBackupSites[0]['id'];
    updatesoverviewBackupSites.shift();
    var data = mainwp_secure_data( {
        action: 'mainwp_backup_run_site',
        site_id: siteId
    } );

    jQuery.post( ajaxurl, data, function ( pSiteId, pSiteName ) {
        return function ( response ) {
            if ( response.error )
            {
                appendToDiv( backupContentEl, '[' + pSiteName + '] <span class="mainwp-red">ERROR: ' + getErrorMessage( response.error ) + '</span>' );
                updatesoverviewBackupError = true;
                updatesoverview_backup_run_next();
            } else
            {
                appendToDiv( backupContentEl, '[' + pSiteName + '] ' + __( 'Backup file created successfully!' ) );

                updatesoverview_backupnow_download_file( pSiteId, pSiteName, response.result.type, response.result.url, response.result.local, response.result.regexfile, response.result.size, response.result.subfolder );
            }

        }
    }( siteId, siteName ), 'json' );
};
updatesoverview_backupnow_download_file = function ( pSiteId, pSiteName, type, url, file, regexfile, size, subfolder )
{
    var backupContentEl = mainwpPopup( '#updatesoverview-backup-box' ).getContentEl();
    appendToDiv( backupContentEl, '[' + pSiteName + '] Downloading the file... <div id="updatesoverview-backupnow-status-progress" siteId="' + pSiteId + '" class="ui green progress"><div class="bar"><div class="progress"></div></div>' );
    jQuery( '#updatesoverview-backupnow-status-progress[siteId="' + pSiteId + '"]' ).progress( { value: 0, total: size } );
    var interVal = setInterval( function () {
        var data = mainwp_secure_data( {
            action: 'mainwp_backup_getfilesize',
            local: file
        } );
        jQuery.post( ajaxurl, data, function ( pSiteId ) {
            return function ( response ) {
                if ( response.error )
                    return;

                if ( updatesoverviewBackupDownloadRunning )
                {
                    var progressBar = jQuery( '#updatesoverview-backupnow-status-progress[siteId="' + pSiteId + '"]' );
                    if ( progressBar.progress( 'get value' ) < progressBar.progress( 'get total' ) )
                    {
                        progressBar.progress( 'set progress', response.result );
                    }
                }
            }
        }( pSiteId ), 'json' );
    }, 500 );

    var data = mainwp_secure_data( {
        action: 'mainwp_backup_download_file',
        site_id: pSiteId,
        type: type,
        url: url,
        local: file
    } );
    updatesoverviewBackupDownloadRunning = true;
    jQuery.post( ajaxurl, data, function ( pFile, pRegexFile, pSubfolder, pSize, pType, pInterVal, pSiteName, pSiteId, pUrl ) {
        return function ( response ) {
            updatesoverviewBackupDownloadRunning = false;
            clearInterval( pInterVal );

            if ( response.error )
            {
                appendToDiv( backupContentEl, '[' + pSiteName + '] <span class="mainwp-red">ERROR: ' + getErrorMessage( response.error ) + '</span>' );
                appendToDiv( backupContentEl, '[' + pSiteName + '] <span class="mainwp-red">' + __( 'Backup failed!' ) + '</span>' );

                updatesoverviewBackupError = true;
                updatesoverview_backup_run_next();
                return;
            }

            jQuery( '#updatesoverview-backupnow-status-progress[siteId="' + pSiteId + '"]' ).progress( 'set progress', pSize );
            appendToDiv( backupContentEl, '[' + pSiteName + '] ' + __( 'Download from the child site completed.' ) );
            appendToDiv( backupContentEl, '[' + pSiteName + '] ' + __( 'Backup completed.' ) );

            var newData = mainwp_secure_data( {
                action: 'mainwp_backup_delete_file',
                site_id: pSiteId,
                file: pUrl
            } );
            jQuery.post( ajaxurl, newData, function () {}, 'json' );

            updatesoverview_backup_run_next();
        }
    }( file, regexfile, subfolder, size, type, interVal, pSiteName, pSiteId, url ), 'json' );
};