<?php
use function Timetics\timetics;
use Timetics\Core\Bookings\Booking;
use Timetics\Core\Integrations\Google\Client;
use Timetics\Core\Integrations\Google\Service\Calendar;

/**
 * Get timezone list.
 *
 * @since 1.0.0
 *
 * @return  array
 */
if ( ! function_exists( 'timetics_get_timezone_list' ) ) {
    function timetics_get_timezone_list() {
        $tzlist = wp_timezone_choice( 'UTC' );
        $doc    = new DOMDocument();
        $doc->loadHTML( $tzlist );

        $elements  = $doc->getElementsByTagName( 'option' );
        $timezones = [];

        if ( ! empty( $elements ) ) {
            foreach ( $elements as $element ) {
                $data = [
                    'name'  => $element->getAttribute( 'value' ),
                    'value' => $element->textContent, // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
                ];

                $timezones[] = $data;
            }
        }

        return $timezones;
    }
}

if ( ! function_exists( 'timetics_get_google_access_token' ) ) {
    /**
     * Get google access token
     *
     * @param   integer  $user_id  Authenticate user id
     *
     * @since 1.0.0
     *
     * @return  string
     */
    function timetics_get_google_access_token( $user_id = 0 ) {
        $data = timetics_get_google_auth( $user_id );

        if ( ! $data ) {
            return false;
        }

        if ( ( $data['expires_in'] - 30 ) < time() ) {
            $refresh_toekn = timetics_get_google_refresh_token( $user_id );
            $client        = timetics_get_google_client();

            $data = $client->fetch_access_token_with_refresh_token( $refresh_toekn );

            timetics_update_google_auth( $user_id, $data );
        }

        return $data['access_token'];
    }
}

if ( ! function_exists( 'timetics_get_google_refresh_token' ) ) {

    /**
     * Get google auth refresh token
     *
     * @param   integer  $user_id  Authenticate user id
     *
     * @return  string
     */
    function timetics_get_google_refresh_token( $user_id ) {
        return get_user_meta( $user_id, 'timetics_google_refresh_token', true );
    }
}

if ( ! function_exists( 'timetics_get_auth_redirect_uri' ) ) {
    /**
     * Get auth redirect uri
     *
     * @param   string  $auth
     *
     * @return  string
     */
    function timetics_get_auth_redirect_uri( $auth = '' ) {
        return site_url( 'timetics-integration/' . $auth );
    }
}

if ( ! function_exists( 'timetics_update_google_auth' ) ) {
    /**
     * Update google auth token
     *
     * @param   integer  $user_id
     * @param   array  $data
     *
     * @return void
     */
    function timetics_update_google_auth( $user_id = 0, $data = [] ) {
        if ( ! empty( $data['code'] ) ) {
            update_user_meta( $user_id, 'timetics_google_auth_code', $data['code'] );
        }

        if ( ! empty( $data['refresh_token'] ) ) {
            update_user_meta( $user_id, 'timetics_google_refresh_token', $data['refresh_token'] );
        }

        $data['expires_in'] = $data['expires_in'] + time();

        update_user_meta( $user_id, 'timetics_google_auth', $data );
    }
}

if ( ! function_exists( 'timetics_get_google_auth' ) ) {
    /**
     * Get google auth
     *
     * @param   integer  $user_id
     *
     * @return  array
     */
    function timetics_get_google_auth( $user_id = 0 ) {
        return get_user_meta( $user_id, 'timetics_google_auth', true );
    }
}

if ( ! function_exists( 'timetics_get_google_client' ) ) {
    /**
     * Get google auth client
     *
     * @return Timetics\Core\Integrations\Google\Client
     */
    function timetics_get_google_client() {
        $client_id     = timetics_get_option( 'google_app_client_id' );
        $client_secret = timetics_get_option( 'google_app_client_secret' );

        $redirect_uri = timetics_get_auth_redirect_uri( 'google-auth' );

        $client = new Client();
        $client->add_scope( Calendar::scope() );
        $client->set_auth_config(
            [
                'client_id'      => $client_id,
                'client_secrete' => $client_secret,
            ]
        );

        $client->set_redirect_uri( $redirect_uri );

        return $client;
    }
}

if ( ! function_exists( 'timetics_get_google_auth_url' ) ) {
    /**
     * Get google auth url
     *
     * @return  string
     */
    function timetics_get_google_auth_url() {
        $client = timetics_get_google_client();

        return $client->get_auth_url();
    }
}

if ( ! function_exists( 'timetics_get_posts' ) ) {
    /**
     * Get posts with date range
     *
     * @param   array  $args
     *
     * @return  Object
     */
    function timetics_get_posts( $args = [] ) {
        $defaults = [
            'post_type'   => 'post',
            'post_status'    => 'any',
            'nopaging'    => true,
            'date_range'  => '',
        ];

        $args = wp_parse_args( $args, $defaults );

        // Date range found.
        if ( $args['date_range'] ) {
            $from_date = $args['date_range']['start'];
            $to_date   = $args['date_range']['end'];

            $args['date_query'] = [
                'relation' => 'AND',
                [
                    'before'    => [
                        'year'  => gmdate( 'Y', strtotime( $to_date ) ),
                        'month' => gmdate( 'm', strtotime( $to_date ) ),
                        'day'   => gmdate( 'd', strtotime( $to_date ) ),
                    ],
                    'after'     => [
                        'year'  => gmdate( 'Y', strtotime( $from_date ) ),
                        'month' => gmdate( 'm', strtotime( $from_date ) ),
                        'day'   => gmdate( 'd', strtotime( $from_date ) ),
                    ],
                    'inclusive' => true,
                ],
            ];
        }

        // The Query
        $posts = new WP_Query( $args );

        return $posts;
    }
}

if ( ! function_exists( 'timetics_count_posts()' ) ) {
    /**
     * Count post with date range or without date range
     *
     * @param   array  $args  Required query params
     *
     * @return  integer
     */
    function timetics_count_posts( $args = [] ) {
        $posts = timetics_get_posts( $args );

        return $posts->post_count;
    }
}

if ( ! function_exists( 'timetics_count_users' ) ) {
    /**
     * Count user by role and date range
     *
     * @param   array  $args  Required query params
     *
     * @return  integer
     */
    function timetics_count_users( $args = [] ) {
        $defaults = [
            'role'        => '',
            'date_range'  => '',
            'count_total' => true,
        ];

        $args = wp_parse_args( $args, $defaults );

        // Date range found.
        if ( $args['date_range'] ) {
            $from_date = $args['date_range']['start'];
            $to_date   = $args['date_range']['end'];

            $args['date_query'] = [
                'relation' => 'AND',
                [
                    'before'    => [
                        'year'  => gmdate( 'Y', strtotime( $to_date ) ),
                        'month' => gmdate( 'm', strtotime( $to_date ) ),
                        'day'   => gmdate( 'd', strtotime( $to_date ) ),
                    ],
                    'after'     => [
                        'year'  => gmdate( 'Y', strtotime( $from_date ) ),
                        'month' => gmdate( 'm', strtotime( $from_date ) ),
                        'day'   => gmdate( 'd', strtotime( $from_date ) ),
                    ],
                    'inclusive' => true,
                ],
            ];
        }

        // The Query
        $user_query = new WP_User_Query( $args );

        // Return total users.
        return $user_query->total_users;
    }
}

if ( ! function_exists( 'timetics_get_total_sale' ) ) {
    /**
     * Get total sale with date range or without date range
     *
     * @param   array  $args Sales Required Args
     *
     * @return  integer
     */
    function timetics_get_total_sale( $args = [] ) {
        $defaults = [
            'post_type' => 'timetics-booking',
        ];
        $args = wp_parse_args( $args, $defaults );

        $posts = timetics_get_posts( $args );

        $total = 0;

        foreach ( $posts->posts as $post ) {
            $booking = new Booking( $post->ID );
            $total += $booking->get_total();
        }

        return $total;
    }
}

if ( ! function_exists( 'timetics_get_staff_integrations' ) ) {
    /**
     * Get all staff integrations
     *
     * @return array
     */
    function timetics_get_staff_integrations( $user_id = 0 ) {
        $google_auth        = get_user_meta( $user_id, 'timetics_google_auth_code', true );
        $google_credentials = timetics_get_google_credentials();
        $is_setup           = ! empty( $google_credentials['client_id'] ) && ! empty( $google_credentials['client_secret'] );
        $current_user_id    =  ($user_id == get_current_user_id()) ? true : false;


        $integrations   = [];
        $integrations[] = [
            'id'            => 'google-calendar-meet',
            'name'          => __( 'Google Meet', 'timetics' ),
            'description'   => __('Connect your Meet to sync your booked events.', 'timetics'),
            'auth_url'      => timetics_get_google_auth_url(),
            'connected'     => ! empty( $google_auth ),
            'setup'         => $is_setup,
            'current_user'  => $current_user_id,
        ];
        $integrations[] = [
            'id'            => 'google-calendar',
            'name'          => __( 'Google Calendar', 'timetics' ),
            'description'   => __('Connect your Meet to sync your booked events.', 'timetics'),
            'auth_url'      => timetics_get_google_auth_url(),
            'connected'     => ! empty( $google_auth ),
            'setup'         => $is_setup,
            'current_user'  => $current_user_id,
        ];

        return $integrations;
    }
}

if ( ! function_exists( 'timetics_get_google_credentials' ) ) {
    /**
     * Get google auth credentials
     *
     * @return  array
     */
    function timetics_get_google_credentials() {
        $client_id     = timetics_get_option( 'google_app_client_id' );
        $client_secret = timetics_get_option( 'google_app_client_secret' );

        return [
            'client_id'     => $client_id,
            'client_secret' => $client_secret,
        ];
    }
}

if ( ! function_exists( 'timetics_get_default_timezone' ) ) {
    /**
     * Get default timezone
     *
     * @return  string
     */
    function timetics_get_default_timezone() {
        $timezone = date_default_timezone_get();
        $offset   = get_option( 'gmt_offset' );

        if ( $offset < 0 ) {
            $timezone = $timezone . $offset;
        } else {
            $timezone = $timezone . '+' . $offset;
        }

        return $timezone;
    }
}

if ( ! function_exists( 'timetics_get_currencies' ) ) {
    /**
     * Get currency list
     *
     * @return  array
     */
    function timetics_get_currencies() {
        $currencies = require_once dirname( __FILE__ ) . '/currency.php';

        return $currencies;
    }
}

if ( ! function_exists( 'timetics_update_default_settings' ) ) {

    /**
     * Update default settings
     *
     * @return void
     */
    function timetics_update_default_settings() {
        $settings = [
            'google_auth_redirect_uri' => timetics_get_auth_redirect_uri( 'google-auth' ),
        ];

        foreach ( $settings as $key => $value ) {
            timetics_update_option( $key, $value );
        }
    }
}

if ( ! function_exists( 'timetics_google_setup' ) ) {

    /**
     * Checking google auth is configured or not
     *
     * @return  bool
     */
    function timetics_google_setup() {
        $client_id     = timetics_get_option( 'google_app_client_id' );
        $client_secret = timetics_get_option( 'google_app_client_secret' );

        if ( $client_id && $client_secret ) {
            return true;
        }

        return false;
    }
}

if ( ! function_exists( 'timetics_get_post_status' ) ) {

    /**
     * Get post status
     *
     * @return  array
     */
    function timetics_get_post_status() {
        return [
            'approved',
            'pending',
            'cancel',
            'completed',
        ];
    }
}