<?php

if ( !defined('ABSPATH' ) )
    exit();


/**
 * Class that adds a misc notice
 *
 * @since v.2.0
 *
 * @return void
 */
class Translangated_Add_General_Notices{
    public $notificationId = '';
    public $notificationMessage = '';
    public $notificationClass = '';
    public $startDate = '';
    public $endDate = '';
    public $force_show = false;//this attribute ignores the dismiss notification

    function __construct( $notificationId, $notificationMessage, $notificationClass = 'updated' , $startDate = '', $endDate = '', $force_show = false ){
        $this->notificationId = $notificationId;
        $this->notificationMessage = $notificationMessage;
        $this->notificationClass = $notificationClass;
        $this->force_show = $force_show;

        if( !empty( $startDate ) && time() < strtotime( $startDate ) )
            return;

        if( !empty( $endDate ) && time() > strtotime( $endDate ) )
            return;

        add_action( 'admin_notices', array( $this, 'add_admin_notice' ) );
    }


    // Display a dismissible admin notice
    function add_admin_notice() {
        global $current_user;
        global $pagenow;

        $user_id = $current_user->ID;
        do_action( $this->notificationId.'_before_notification_displayed', $current_user, $pagenow );

        if ( current_user_can( 'manage_options' ) ){
            // Check that the user hasn't already clicked to ignore the message
            if ( ! get_user_meta($user_id, $this->notificationId.'_dismiss_notification' ) || $this->force_show  ) {//ignore the dismissal if we have force_show
                add_filter('safe_style_css', array( $this, 'allow_z_index_in_wp_kses'));
                echo wp_kses( apply_filters($this->notificationId.'_notification_message','<div class="'. $this->notificationClass .'" style="position:relative;'  . ((strpos($this->notificationClass, 'trp-narrow')!==false ) ? 'max-width: 825px;' : '') . '" >'.$this->notificationMessage.'</div>', $this->notificationMessage), [ 'div' => [ 'class' => [],'style' => [] ], 'p' => ['style' => [], 'class' => []], 'a' => ['href' => [], 'type'=> [], 'class'=> [], 'style'=>[], 'title'=>[],'target'=>[]], 'span' => ['class'=> [], 'style' => []], 'strong' => [], 'img' => [ 'src' => [], 'style' => [] ], 'br' => [] ]  );
                remove_filter('safe_style_css', array( $this, 'allow_z_index_in_wp_kses'));
            }
            do_action( $this->notificationId.'_notification_displayed', $current_user, $pagenow );
        }
        do_action( $this->notificationId.'_after_notification_displayed', $current_user, $pagenow );
    }

    function allow_z_index_in_wp_kses( $styles ) {
        $styles[] = 'z-index';
        $styles[] = 'position';
        $styles[] = 'display';
        $styles[] = 'align-items';
        $styles[] = 'gap';
        $styles[] = 'float';
        $styles[] = 'margin';
        $styles[] = 'visibility';
        return $styles;
    }

}

Class Translangated_Plugin_Notifications {

    public $notifications = array();
    private static $_instance = null;
    private $prefix = 'trp';
    private $menu_slug = 'options-general.php';
    public $pluginPages = array( 'translangated', 'translangated_advanced_page', 'translangated_machine_translation', 'translangated_test_machine_api', 'translangated_language_switcher' );

    protected function __construct() {
        add_action( 'admin_init', array( $this, 'dismiss_admin_notifications' ), 200 );
        add_action( 'admin_init', array( $this, 'add_admin_menu_notification_counts' ), 1000 );
    }


    function dismiss_admin_notifications() {
        if ( empty( $_GET['translangated_dismiss_admin_notification'] ) || ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'translangated_dismiss_admin_notification' ) ) {
            return;
        }
        self::get_instance()->dismiss_notification( sanitize_key( wp_unslash( $_GET['translangated_dismiss_admin_notification'] ) ) );

    }

    function add_admin_menu_notification_counts() {

        global $menu, $submenu;

        $notifications = Translangated_Plugin_Notifications::get_instance();

        if( ! empty( $menu ) ) {
            foreach( $menu as $menu_position => $menu_data ) {
                if( ! empty( $menu_data[2] ) && $menu_data[2] == $this->menu_slug ) {
                    $menu_count = $notifications->get_count_in_menu();
                    if( ! empty( $menu_count ) )
                        $menu[$menu_position][0] .= '<span class="update-plugins '.$this->prefix.'-update-plugins"><span class="plugin-count">' . $menu_count . '</span></span>';
                }
            }
        }

        if( ! empty( $submenu[$this->menu_slug] ) ) {
            foreach( $submenu[$this->menu_slug] as $menu_position => $menu_data ) {
                $menu_count = $notifications->get_count_in_submenu( $menu_data[2] );
                if( ! empty( $menu_count ) )
                    $submenu[$this->menu_slug][$menu_position][0] .= '<span class="update-plugins '.$this->prefix.'-update-plugins"><span class="plugin-count">' . $menu_count . '</span></span>';
            }
        }
    }


    /**
     *
     *
     */
    public static function get_instance() {
        if( is_null( self::$_instance ) )
            self::$_instance = new Translangated_Plugin_Notifications();

        return self::$_instance;
    }


    /**
     *
     *
     */
    public function add_notification( $notification_id = '', $notification_message = '', $notification_class = 'update-nag', $count_in_menu = true, $count_in_submenu = array(), $show_in_all_backend = false, $force_show = false ) {

        if( empty( $notification_id ) )
            return;

        if( empty( $notification_message ) )
            return;

        /**
         * added a $show_in_all_backend argument in version 1.4.6  that allows some notifications to be displayed on all the pages not just the plugin pages
         * we needed it for license notifications
         *
         * if you want a notification that is non-dismissable on is_plugin_page() dismissable on the rest of the pages, simply do the verification where
         * Translangated_Plugin_Notifications->add_notification() is called
         *
         */

        $this->notifications[$notification_id] = array(
            'id' 	  		   => $notification_id,
            'message' 		   => $notification_message,
            'class'   		   => $notification_class,
            'count_in_menu'    => $count_in_menu,
            'count_in_submenu' => $count_in_submenu
        );


        if( $this->is_plugin_page() || $show_in_all_backend ) {
            new Translangated_Add_General_Notices( $notification_id, $notification_message, $notification_class, '', '', $force_show );
        }

    }


    /**
     *
     *
     */
    public function get_notifications() {
        return $this->notifications;
    }


    /**
     *
     *
     */
    public function get_notification( $notification_id = '' ) {

        if( empty( $notification_id ) )
            return null;

        $notifications = $this->get_notifications();

        if( ! empty( $notifications[$notification_id] ) )
            return $notifications[$notification_id];
        else
            return null;

    }


    /**
     *
     *
     */
    public function dismiss_notification( $notification_id = '' ) {
        global $current_user;
        add_user_meta( $current_user->ID, $notification_id . '_dismiss_notification', 'true', true );
        do_action('translangated_dismiss_notification', $notification_id, $current_user);
    }


    /**
     *
     *
     */
    public function get_count_in_menu() {
        $count = 0;

        foreach( $this->notifications as $notification ) {
            if( ! empty( $notification['count_in_menu'] ) ) {
                if( get_user_meta( get_current_user_id(), $notification['id'] . '_dismiss_notification', true ) )
                    continue;
                $count++;
            }
        }

        return $count;
    }


    /**
     *
     *
     */
    public function get_count_in_submenu( $submenu = '' ) {

        if( empty( $submenu ) )
            return 0;

        $count = 0;

        foreach( $this->notifications as $notification ) {
            if( empty( $notification['count_in_submenu'] ) )
                continue;

            if( ! is_array( $notification['count_in_submenu'] ) )
                continue;

            if( ! in_array( $submenu, $notification['count_in_submenu'] ) )
                continue;

            if( get_user_meta( get_current_user_id(), $notification['id'] . '_dismiss_notification', true ) )
                continue;

            $count++;
        }

        return $count;

    }


    /**
     * Test if we are an a page that belong to our plugin
     *
     */
    public function is_plugin_page() {
        if( !empty( $this->pluginPages ) ){
            foreach ( $this->pluginPages as $pluginPage ){
                if( ! empty( $_GET['page'] ) && false !== strpos( sanitize_text_field( $_GET['page'] ), $pluginPage ) )
                    return true;

                if( ! empty( $_GET['post_type'] ) && false !== strpos( sanitize_text_field( $_GET['post_type'] ), $pluginPage ) )
                    return true;

                if( ! empty( $_GET['post'] ) && false !== strpos( get_post_type( (int)$_GET['post'] ), $pluginPage ) )
                    return true;
            }
        }

        return false;
    }

}


class Translangated_Trigger_Plugin_Notifications{

    private $settings;
    private $settings_obj;
    private $machine_translator_logger;

    function __construct($settings) {
        $this->settings = $settings;

        add_action( 'admin_init', array( $this, 'add_plugin_notifications' ) );
    }

    function add_plugin_notifications() {

        $notifications = Translangated_Plugin_Notifications::get_instance();

	    /*
		 *  Machine translation enabled and quota are met.
		 */
        $trp = Translangated_Plugin::get_translangated_instance();
        if ( ! $this->settings_obj )
            $this->settings_obj = $trp->get_component( 'settings' );

        if ( ! $this->machine_translator_logger )
            $this->machine_translator_logger = $trp->get_component( 'machine_translator_logger' );

        if( 'yes' === $this->settings['translangated_machine_translation_settings']['machine-translation'] && $this->machine_translator_logger->quota_exceeded() ) {
            /* this must be unique */
            $notification_id = 'translangated_machine_translation_quota_exceeded_'. gmdate('Ymd');

            $message = '';
            $message .= '<p style="margin-top: 16px;padding-right:30px;">';
                /* translators: %s: URL of the Automatic Translation settings page */
                $message .= sprintf( __( 'The daily quota for machine translation characters exceeded. Please check the <strong>Translangated -> <a href="%s">Automatic Translation</a></strong> page for more information.', 'translangated' ), admin_url( 'admin.php?page=translangated_machine_translation' ) );
            $message .= '</p>';
            //make sure to use the translangated_dismiss_admin_notification arg
            $message .= '<a href="' . esc_url( translangated_dismiss_notification_url( $notification_id ) ) . '" type="button" class="notice-dismiss"><span class="screen-reader-text">' . esc_html__( 'Dismiss this notice.', 'translangated' ) . '</span></a>';

            $notifications->add_notification($notification_id, $message, 'trp-notice trp-narrow notice notice-info', true, array('translangated'));
        }


    }

}

// Translangated runs no promotions. Kept because the translation editor data still reads it.
function translangated_bf_show_promotion(){
    return false;
}