<?php

declare(strict_types=1);

namespace UserAccessManager;

use UserAccessManager\Access\AccessHandler;
use UserAccessManager\Cache\Cache;
use UserAccessManager\Cache\CacheProviderFactory;
use UserAccessManager\Config\ConfigFactory;
use UserAccessManager\Config\Parameter\ConfigParameterFactory;
use UserAccessManager\Config\MainConfig;
use UserAccessManager\Controller\Backend\ObjectMembership\DynamicGroupsController;
use UserAccessManager\Controller\Backend\ObjectMembership\PostObjectController;
use UserAccessManager\Controller\Backend\ObjectMembership\TermObjectController;
use UserAccessManager\Controller\Backend\ObjectMembership\UserObjectController;
use UserAccessManager\Controller\ControllerFactory;
use UserAccessManager\Database\Database;
use UserAccessManager\File\FileHandler;
use UserAccessManager\File\Delivery\FileObjectFactory;
use UserAccessManager\File\Protection\FileProtectionFactory;
use UserAccessManager\Object\ObjectHandler;
use UserAccessManager\ObjectMembership\ObjectMembershipHandlerFactory;
use UserAccessManager\Setup\SetupHandler;
use UserAccessManager\User\UserHandler;
use UserAccessManager\UserGroup\UserGroupFactory;
use UserAccessManager\UserGroup\UserGroupHandler;
use UserAccessManager\Util\Util;
use UserAccessManager\Widget\WidgetFactory;
use UserAccessManager\Wrapper\Php;
use UserAccessManager\Wrapper\Wordpress;

class UserAccessManager
{
    public const VERSION = UAM_VERSION;
    public const DB_VERSION = '1.6.3';

    public function __construct(
        private Php $php,
        private Wordpress $wordpress,
        private Util $util,
        private Cache $cache,
        private MainConfig $config,
        private Database $database,
        private ObjectHandler $objectHandler,
        private UserHandler $userHandler,
        private UserGroupHandler $userGroupHandler,
        private AccessHandler $accessHandler,
        private FileHandler $fileHandler,
        private SetupHandler $setupHandler,
        private UserGroupFactory $userGroupFactory,
        private ObjectMembershipHandlerFactory $membershipHandlerFactory,
        private ControllerFactory $controllerFactory,
        private WidgetFactory $widgetFactory,
        private CacheProviderFactory $cacheProviderFactory,
        private ConfigFactory $configFactory,
        private ConfigParameterFactory $configParameterFactory,
        private FileProtectionFactory $fileProtectionFactory,
        private FileObjectFactory $fileObjectFactory
    ) {
        $this->cache->setActiveCacheProvider($this->config->getActiveCacheProvider());
    }

    public function getPhp(): Php
    {
        return $this->php;
    }

    public function getWordpress(): Wordpress
    {
        return $this->wordpress;
    }

    public function getUtil(): Util
    {
        return $this->util;
    }

    public function getCache(): Cache
    {
        return $this->cache;
    }

    public function getConfig(): MainConfig
    {
        return $this->config;
    }

    public function getDatabase(): Database
    {
        return $this->database;
    }

    public function getObjectHandler(): ObjectHandler
    {
        return $this->objectHandler;
    }

    public function getUserHandler(): UserHandler
    {
        return $this->userHandler;
    }

    public function getUserGroupHandler(): UserGroupHandler
    {
        return $this->userGroupHandler;
    }

    public function getAccessHandler(): AccessHandler
    {
        return $this->accessHandler;
    }

    public function getFileHandler(): FileHandler
    {
        return $this->fileHandler;
    }

    public function getSetupHandler(): SetupHandler
    {
        return $this->setupHandler;
    }

    public function getUserGroupFactory(): UserGroupFactory
    {
        return $this->userGroupFactory;
    }

    public function getObjectMembershipHandlerFactory(): ObjectMembershipHandlerFactory
    {
        return $this->membershipHandlerFactory;
    }

    public function getControllerFactory(): ControllerFactory
    {
        return $this->controllerFactory;
    }

    public function getWidgetFactory(): WidgetFactory
    {
        return $this->widgetFactory;
    }

    public function getCacheProviderFactory(): CacheProviderFactory
    {
        return $this->cacheProviderFactory;
    }

    public function getConfigFactory(): ConfigFactory
    {
        return $this->configFactory;
    }

    public function getConfigParameterFactory(): ConfigParameterFactory
    {
        return $this->configParameterFactory;
    }

    public function getFileProtectionFactory(): FileProtectionFactory
    {
        return $this->fileProtectionFactory;
    }

    public function getFileObjectFactory(): FileObjectFactory
    {
        return $this->fileObjectFactory;
    }

    /**
     * Resister the administration menu.
     */
    public function registerAdminMenu(): void
    {
        if ($this->userHandler->checkUserAccess() === true) {
            //TODO
            /**
             * --- BOF ---
             * Not the best way to handle full user access. Capabilities seem
             * to be the right way, but it is way challenging.
             */
            //Admin main menu
            $this->wordpress->addMenuPage(
                'User Access Manager',
                'UAM',
                'manage_options',
                'uam_user_group',
                null,
                'div'
            );

            //Admin sub menus
            $backendUserGroupController = $this->controllerFactory->createBackendUserGroupController();
            $this->wordpress->addSubmenuPage(
                'uam_user_group',
                TXT_UAM_MANAGE_GROUP,
                TXT_UAM_MANAGE_GROUP,
                'read',
                'uam_user_group',
                [$backendUserGroupController, 'render']
            );

            $backendSettingsController = $this->controllerFactory->createBackendSettingsController();
            $this->wordpress->addSubmenuPage(
                'uam_user_group',
                TXT_UAM_SETTINGS,
                TXT_UAM_SETTINGS,
                'read',
                'uam_settings',
                [$backendSettingsController, 'render']
            );

            $backendSetupController = $this->controllerFactory->createBackendSetupController();
            $this->wordpress->addSubmenuPage(
                'uam_user_group',
                TXT_UAM_SETUP,
                TXT_UAM_SETUP,
                'read',
                'uam_setup',
                [$backendSetupController, 'render']
            );

            $backendAboutController = $this->controllerFactory->createBackendAboutController();
            $this->wordpress->addSubmenuPage(
                'uam_user_group',
                TXT_UAM_ABOUT,
                TXT_UAM_ABOUT,
                'read',
                'uam_about',
                [$backendAboutController, 'render']
            );

            $this->wordpress->doAction('uam_add_sub_menu');

            /**
             * --- EOF ---
             */
        }
    }

    private function addAdminActions(
        DynamicGroupsController $dynamicGroupController,
        PostObjectController $postObjectController,
        TermObjectController $termObjectController,
        UserObjectController $userObjectController,
        array $taxonomies
    ): void {
        $this->wordpress->addAction(
            'manage_posts_custom_column',
            [$postObjectController, 'addPostColumn'],
            10,
            2
        );
        $this->wordpress->addAction(
            'manage_pages_custom_column',
            [$postObjectController, 'addPostColumn'],
            10,
            2
        );
        $this->wordpress->addAction('save_post', [$postObjectController, 'savePostData']);
        $this->wordpress->addAction('add_attachment', [$postObjectController, 'addAttachment']);
        $this->wordpress->addAction('edit_user_profile', [$userObjectController, 'showUserProfile']);
        $this->wordpress->addAction('user_new_form', [$userObjectController, 'showUserProfile']);
        $this->wordpress->addAction('user_register', [$userObjectController, 'saveUserData']);
        $this->wordpress->addAction('profile_update', [$userObjectController, 'saveUserData']);

        $this->wordpress->addAction('bulk_edit_custom_box', [$postObjectController, 'addBulkAction']);
        $this->wordpress->addAction('create_term', [$termObjectController, 'saveTermData']);
        $this->wordpress->addAction('edit_term', [$termObjectController, 'saveTermData']);

        //Taxonomies
        foreach ($taxonomies as $taxonomy) {
            $this->wordpress->addAction(
                'manage_'.$taxonomy.'_custom_column',
                [$termObjectController, 'addTermColumn'],
                10,
                3
            );
            $this->wordpress->addAction(
                $taxonomy.'_add_form_fields',
                [$termObjectController, 'showTermEditForm']
            );
            $this->wordpress->addAction(
                $taxonomy.'_edit_form_fields',
                [$termObjectController, 'showTermEditForm']
            );
        }

        if ($this->config->lockFile() === true) {
            $this->wordpress->addAction(
                'manage_media_custom_column',
                [$postObjectController, 'addPostColumn'],
                10,
                2
            );
            $this->wordpress->addAction(
                'attachment_fields_to_edit',
                [$postObjectController, 'showMediaFile'],
                10,
                2
            );
            $this->wordpress->addAction(
                'wp_ajax_save-attachment-compat',
                [$postObjectController, 'saveAjaxAttachmentData'],
                1,
                9
            );
        }

        //Admin ajax actions
        $this->wordpress->addAction(
            'wp_ajax_uam-get-dynamic-group',
            [$dynamicGroupController, 'getDynamicGroupsForAjax']
        );
    }

    private function addAdminFilters(
        PostObjectController $postObjectController,
        TermObjectController $termObjectController,
        UserObjectController $userObjectController,
        array $taxonomies
    ): void {
        //The filter we use instead of add|edit_attachment action, reason see top
        $this->wordpress->addFilter('attachment_fields_to_save', [$postObjectController, 'saveAttachmentData']);

        $this->wordpress->addFilter('manage_posts_columns', [$postObjectController, 'addPostColumnsHeader']);
        $this->wordpress->addFilter('manage_pages_columns', [$postObjectController, 'addPostColumnsHeader']);

        $this->wordpress->addFilter('manage_users_columns', [$userObjectController, 'addUserColumnsHeader']);
        $this->wordpress->addFilter(
            'manage_users_custom_column',
            [$userObjectController, 'addUserColumn'],
            10,
            3
        );

        foreach ($taxonomies as $taxonomy) {
            $this->wordpress->addFilter(
                'manage_edit-'.$taxonomy.'_columns',
                [$termObjectController, 'addTermColumnsHeader']
            );
        }

        if ($this->config->lockFile() === true) {
            $this->wordpress->addFilter('manage_media_columns', [$postObjectController, 'addPostColumnsHeader']);
        }
    }

    private function addAdminMetaBoxes(PostObjectController $postObjectController): void
    {
        $postTypes = $this->objectHandler->getPostTypes();

        foreach ($postTypes as $postType) {
            // there is no need for a meta box for attachments if files are locked
            if ($postType === ObjectHandler::ATTACHMENT_OBJECT_TYPE && $this->config->lockFile() !== true) {
                continue;
            }

            $this->wordpress->addMetaBox(
                'uam_post_access',
                TXT_UAM_COLUMN_ACCESS,
                [$postObjectController, 'editPostContent'],
                $postType,
                'side'
            );
        }
    }

    /**
     * @throws UserGroup\UserGroupTypeException
     */
    public function registerAdminActionsAndFilters(): void
    {
        $backendController = $this->controllerFactory->createBackendController();
        $this->wordpress->addAction('admin_enqueue_scripts', [$backendController, 'enqueueStylesAndScripts']);
        $this->wordpress->addAction('wp_dashboard_setup', [$backendController, 'setupAdminDashboard']);
        $this->wordpress->addAction('admin_notices', [$backendController, 'showAdminNotice']);

        $taxonomies = $this->objectHandler->getTaxonomies();
        $taxonomy = $backendController->getRequestParameter('taxonomy');

        if ($taxonomy !== null) {
            $taxonomies[$taxonomy] = $taxonomy;
        }

        $objectController = $this->controllerFactory->createBackendObjectController();
        $postObjectController = $this->controllerFactory->createBackendPostObjectController();
        $termObjectController = $this->controllerFactory->createBackendTermObjectController();
        $userObjectController = $this->controllerFactory->createBackendUserObjectController();
        $dynamicGroupController = $this->controllerFactory->createBackendDynamicGroupsController();

        if ($this->userHandler->checkUserAccess() === true
            || $this->config->authorsCanAddPostsToGroups() === true
        ) {
            //Admin actions
            $this->addAdminActions(
                $dynamicGroupController,
                $postObjectController,
                $termObjectController,
                $userObjectController,
                $taxonomies
            );

            //Admin filters
            $this->addAdminFilters(
                $postObjectController,
                $termObjectController,
                $userObjectController,
                $taxonomies
            );

            //Admin meta boxes
            $this->addAdminMetaBoxes($postObjectController);
        }

        //Clean up at deleting should always be done.
        $this->wordpress->addAction('delete_post', [$postObjectController, 'removePostData']);
        $this->wordpress->addAction('delete_attachment', [$postObjectController, 'removePostData']);
        $this->wordpress->addAction('delete_user', [$userObjectController, 'removeUserData']);
        $this->wordpress->addAction('delete_term', [$termObjectController, 'removeTermData']);

        $objectController->checkRightsToEditContent();
    }

    public function addActionsAndFilters(): void
    {
        //Actions
        $this->wordpress->addAction('admin_menu', [$this, 'registerAdminMenu']);
        $this->wordpress->addAction('admin_init', [$this, 'registerAdminActionsAndFilters']);
        $this->wordpress->addAction('registered_post_type', [$this->objectHandler, 'registeredPostType'], 10, 2);
        $this->wordpress->addAction('registered_taxonomy', [$this->objectHandler, 'registeredTaxonomy'], 10, 3);
        $this->wordpress->addAction('registered_post_type', [$this->config, 'flushConfigParameters']);
        $this->wordpress->addAction('registered_taxonomy', [$this->config, 'flushConfigParameters']);

        // General frontend controller
        $frontendController = $this->controllerFactory->createFrontendController();

        $this->wordpress->addAction('wp_enqueue_scripts', [$frontendController, 'enqueueStylesAndScripts']);
        $this->wordpress->addFilter('get_ancestors', [$frontendController, 'showAncestors'], 20, 4);
        $this->wordpress->addFilter('wpseo_sitemap_entry', [$frontendController, 'getWpSeoUrl'], 1, 3);
        $this->wordpress->addFilter(
            'elementor/frontend/builder_content_data',
            function ($data, $postId) use ($frontendController) {
                if ($this->wordpress->getQueriedObjectId() === $postId) {
                    $this->wordpress->addAction(
                        'elementor/frontend/the_content',
                        [$frontendController, 'getElementorContent']
                    );
                }

                return $data;
            },
            10,
            2
        );

        // Post controller
        $frontendPostController = $this->controllerFactory->createFrontendPostController();

        $this->wordpress->addFilter('posts_pre_query', [$frontendPostController, 'postsPreQuery'], 10, 2);
        $this->wordpress->addFilter('the_posts', [$frontendPostController, 'showPosts'], 9);
        $this->wordpress->addFilter('get_attached_file', [$frontendPostController, 'getAttachedFile'], 10, 2);
        $this->wordpress->addFilter('posts_where_paged', [$frontendPostController, 'showPostSql']);
        $this->wordpress->addFilter('comments_array', [$frontendPostController, 'showComment']);
        $this->wordpress->addFilter('the_comments', [$frontendPostController, 'showComment']);
        $this->wordpress->addFilter('get_pages', [$frontendPostController, 'showPages'], 20);
        $this->wordpress->addFilter('get_next_post_where', [$frontendPostController, 'showNextPreviousPost']);
        $this->wordpress->addFilter('get_previous_post_where', [$frontendPostController, 'showNextPreviousPost']);
        $this->wordpress->addFilter('edit_post_link', [$frontendPostController, 'showEditLink'], 10, 2);
        $this->wordpress->addFilter('parse_query', [$frontendPostController, 'parseQuery']);
        $this->wordpress->addFilter('getarchives_where', [$frontendPostController, 'showPostSql']);
        $this->wordpress->addFilter('wp_count_posts', [$frontendPostController, 'showPostCount'], 10, 3);

        $this->wordpress->addAction('rest_api_init', function () use ($frontendPostController) {
            //Runs first, so that no access check caches the context before the guard.
            $this->wordpress->addFilter(
                'rest_pre_dispatch',
                [$frontendPostController, 'restrictRestRequest'],
                1,
                3
            );

            foreach ((array) $this->objectHandler->getPostTypes() as $postType) {
                $this->wordpress->addFilter(
                    "rest_prepare_$postType",
                    [$frontendPostController, 'restrictRestResponse'],
                    10,
                    3
                );
                $this->wordpress->addFilter(
                    "rest_{$postType}_query",
                    [$frontendPostController, 'excludeRestrictedPostsFromRestQuery']
                );
            }
        });

        // Short code controller
        $frontendShortCodeController = $this->controllerFactory->createFrontendShortCodeController();

        $this->wordpress->addShortCode('LOGIN_FORM', [$frontendShortCodeController, 'loginFormShortCode']); // Legacy
        $this->wordpress->addShortCode('uam_login_form', [$frontendShortCodeController, 'loginFormShortCode']);
        $this->wordpress->addShortCode('uam_public', [$frontendShortCodeController, 'publicShortCode']);
        $this->wordpress->addShortCode('uam_private', [$frontendShortCodeController, 'privateShortCode']);

        // Term controller
        $frontendTermController = $this->controllerFactory->createFrontendTermController();

        $this->wordpress->addFilter('get_terms_args', [$frontendTermController, 'getTermArguments']);
        $this->wordpress->addFilter('get_terms', [$frontendTermController, 'showTerms'], 20);
        $this->wordpress->addFilter('get_term', [$frontendTermController, 'showTerm'], 20, 2);
        $this->wordpress->addFilter('wp_get_nav_menu_items', [$frontendTermController, 'showCustomMenu']);

        // Redirect controller
        $frontendRedirectController = $this->controllerFactory->createFrontendRedirectController();

        $this->wordpress->addFilter('wp_get_attachment_thumb_url', [$frontendRedirectController, 'getFileUrl'], 10, 2);
        $this->wordpress->addFilter('wp_get_attachment_url', [$frontendRedirectController, 'getFileUrl'], 10, 2);
        $this->wordpress->addFilter('post_link', [$frontendRedirectController, 'cachePostLinks'], 10, 2);

        $getFile = $frontendController->getRequestParameter('uamgetfile');

        if ($this->config->getRedirect() !== false || $getFile !== null) {
            $this->wordpress->addFilter('wp_headers', [$frontendRedirectController, 'redirect'], 10, 2);
        }

        $testXSendFile = $frontendController->getRequestParameter('testXSendFile');

        if ($testXSendFile !== null) {
            $this->wordpress->addFilter('wp_headers', [$frontendRedirectController, 'testXSendFile'], 10, 2);
        }

        // Admin object controller
        $backendCacheController = $this->controllerFactory->createBackendCacheController();

        $this->wordpress->addFilter('clean_term_cache', [$backendCacheController, 'invalidateTermCache']);
        $this->wordpress->addFilter('clean_object_term_cache', [$backendCacheController, 'invalidateTermCache']);
        $this->wordpress->addFilter('clean_post_cache', [$backendCacheController, 'invalidatePostCache']);
        $this->wordpress->addFilter('clean_attachment_cache', [$backendCacheController, 'invalidatePostCache']);

        // Widgets
        $this->wordpress->addAction('widgets_init', function () {
            $this->wordpress->registerWidget($this->widgetFactory->createLoginWidget());
        });
    }
}