<?php
if ( !defined( 'ABSPATH' ) ) {
    exit;
}

class TenWebLibNotices {

    protected $promo_link = '';

    public $config;
    public $notice_spam = 0;
    public $notice_spam_max = 2;

    // Basic actions to run
    public function __construct( $config = array() ) {
        $this->config = $config;
        // Runs the admin notice ignore function incase a dismiss button has been clicked
        add_action( 'admin_init', array( $this, 'admin_notice_ignore' ) );
        // Runs the admin notice temp ignore function incase a temp dismiss link has been clicked
        add_action( 'admin_init', array( $this, 'admin_notice_temp_ignore' ) );
        add_action( 'admin_notices', array( $this, 'wd_admin_notices' ) );
    }

    // Checks to ensure notices aren't disabled and the user has the correct permissions.
    public function wd_admin_notice() {
        $wd_options =  $this->config;
        $settings = get_option($wd_options->prefix . '_admin_notice');
        if ( !isset( $settings['disable_admin_notices'] ) || ( isset( $settings['disable_admin_notices'] ) && $settings['disable_admin_notices'] == 0 ) ) {
            if ( current_user_can( 'manage_options' ) ) {
                return true;
            }
        }
        return false;
    }

    // Primary notice function that can be called from an outside function sending necessary variables
    public function admin_notice( $admin_notices ) {
        $wd_options =  $this->config;
        // Check options
        if ( !$this->wd_admin_notice() ) {
            return false;
        }
        foreach ( $admin_notices as $slug => $admin_notice ) {
            // Call for spam protection
            if ( $this->anti_notice_spam() ) {
                return false;
            }

            // Check for proper page to display on
            if (isset( $admin_notices[$slug]['pages']) && is_array( $admin_notices[$slug]['pages'])) {
                if ( !$this->admin_notice_pages( $admin_notices[$slug]['pages'] ) ) {
                    return false;
                }
            }

            // Check for required fields
            if ( !$this->required_fields( $admin_notices[$slug] ) ) {

                // Get the current date then set start date to either passed value or current date value and add interval
                $current_date = current_time( "n/j/Y" );
                $start = ( isset( $admin_notices[$slug]['start'] ) ? $admin_notices[$slug]['start'] : $current_date );
                $start = date( "n/j/Y", strtotime( $start ) );
                $date_array = explode( '/', $start );
                $interval = ( isset( $admin_notices[$slug]['int'] ) ? $admin_notices[$slug]['int'] : 0 );

                $date_array[1] += $interval;
                $start = date( "n/j/Y", mktime( 0, 0, 0, $date_array[0], $date_array[1], $date_array[2] ) );

                // This is the main notices storage option
                $admin_notices_option = get_option( $wd_options->prefix . '_admin_notice', array() );
                // Check if the message is already stored and if so just grab the key otherwise store the message and its associated date information
                if ( !array_key_exists( $slug, $admin_notices_option ) ) {
                    $admin_notices_option[$slug]['start'] = $start;
                    $admin_notices_option[$slug]['int'] = $interval;
                    update_option( $wd_options->prefix . '_admin_notice', $admin_notices_option );
                }

                // Sanity check to ensure we have accurate information
                // New date information will not overwrite old date information
                $admin_display_check = ( isset( $admin_notices_option[$slug]['dismissed'] ) ? $admin_notices_option[$slug]['dismissed'] : 0 );
                $admin_display_start = ( isset( $admin_notices_option[$slug]['start'] ) ? $admin_notices_option[$slug]['start'] : $start );
                $admin_display_interval = ( isset($admin_notices_option[$slug]['int'] ) ? $admin_notices_option[$slug]['int'] : $interval );
                $admin_display_msg = ( isset($admin_notices[$slug]['msg'] ) ? $admin_notices[$slug]['msg'] : '' );
                $admin_display_title = ( isset($admin_notices[$slug]['title'] ) ? $admin_notices[$slug]['title'] : '' );
                $admin_display_link = ( isset( $admin_notices[$slug]['link'] ) ? $admin_notices[$slug]['link'] : '' );
                $output_css = false;

                // Ensure the notice hasn't been hidden and that the current date is after the start date
                if ( $admin_display_check == 0 && strtotime($admin_display_start) <= strtotime($current_date ) ) {

                    // Get remaining query string
                    $query_str = ( isset( $admin_notices[$slug]['later_link'] ) ? $admin_notices[$slug]['later_link'] : esc_url(add_query_arg( $wd_options->prefix . '_admin_notice_ignore', $slug ) ) );
                    if ( strpos($slug, 'promo' ) === FALSE ) {
                        // Admin notice display output
                        echo '<div class="update-nag wd-admin-notice">
                                <div class="wd-notice-logo" style="background-image: url(' . $wd_options->wd_url_img . '/' . $wd_options->prefix . '_main_plugin.png);"></div>
                                <p class="wd-notice-title">' . $admin_display_title . '</p>
                                <p class="wd-notice-body">' . $admin_display_msg . '</p>
                                <ul class="wd-notice-body wd-blue">' . $admin_display_link . '</ul>
                                <a href="' . $query_str . '" class="dashicons dashicons-dismiss"></a>
                              </div>';
                    }
                    else {
                        echo '<div class="admin-notice-promo">';
                        echo $admin_display_msg;
                        echo '<ul class="notice-body-promo blue">
                                    ' . $admin_display_link . '
                                  </ul>';
                        echo '<a href="' . $query_str . '" class="dashicons dashicons-dismiss close-promo"></a>';
                        echo '</div>';
                    }
                    $this->notice_spam += 1;
                    $output_css = true;
                }
                if ( $output_css ) {
                    wp_enqueue_style( $wd_options->prefix . '-admin-notices', $wd_options->wd_url_css . '/notices.css', array(), get_option($wd_options->prefix . "_version" ) );
                }
            }
        }
    }

    // Spam protection check
    public function anti_notice_spam() {
        if ( $this->notice_spam >= $this->notice_spam_max ) {
            return true;
        }
        return false;
    }

    // Ignore function that gets ran at admin init to ensure any messages that were dismissed get marked
    public function admin_notice_ignore() {
        $wd_options =  $this->config;
        // If user clicks to ignore the notice, update the option to not show it again
        if ( isset( $_GET[$wd_options->prefix . '_admin_notice_ignore'] ) ) {
            $admin_notices_option = get_option( $wd_options->prefix . '_admin_notice', array() );
            $admin_notice_ignore = sanitize_text_field($_GET[$wd_options->prefix . '_admin_notice_ignore']);
            $admin_notices_option[$admin_notice_ignore]['dismissed'] = 1;
            update_option( $wd_options->prefix . '_admin_notice', $admin_notices_option );
            $query_str = remove_query_arg( $wd_options->prefix . '_admin_notice_ignore' );
            wp_redirect( $query_str );
            exit;
        }
    }

    // Temp Ignore function that gets ran at admin init to ensure any messages that were temp dismissed get their start date changed
    public function admin_notice_temp_ignore() {
        $wd_options =  $this->config;
        // If user clicks to temp ignore the notice, update the option to change the start date - default interval of 14 days
        if ( isset( $_GET[$wd_options->prefix . '_admin_notice_temp_ignore'] ) ) {
            $admin_notices_option = get_option( $wd_options->prefix . '_admin_notice', array() );
            $current_date = current_time( "n/j/Y" );
            $date_array = explode( '/', $current_date );
            $interval = (isset($_GET['wd_int']) ? intval($_GET['wd_int']) : 14);
            $date_array[1] += $interval;
            $new_start = date( "n/j/Y", mktime( 0, 0, 0, $date_array[0], $date_array[1], $date_array[2] ) );

            $admin_notice_temp_ignore = isset($_GET[$wd_options->prefix . '_admin_notice_temp_ignore']) ? sanitize_text_field($_GET[$wd_options->prefix . '_admin_notice_temp_ignore']) : '';
            if( $admin_notice_temp_ignore != '' ) {
              $admin_notices_option[$admin_notice_temp_ignore]['start'] = $new_start;
              $admin_notices_option[$admin_notice_temp_ignore]['dismissed'] = 0;
              update_option($wd_options->prefix . '_admin_notice', $admin_notices_option);
              $query_str = remove_query_arg(array( $wd_options->prefix . '_admin_notice_temp_ignore', 'wd_int' ));
              wp_redirect($query_str);
            }
            exit;
        }
    }

    public function admin_notice_pages($pages) {
        $wd_options =  $this->config;
        foreach ( $pages as $key => $page ) {
            if (is_array($page)) {
                if ( isset( $_GET['page'] ) && sanitize_text_field($_GET['page']) == $page[0] && isset($_GET['tab']) && sanitize_text_field($_GET['tab']) == $page[1] ) {
                    return true;
                }
            }
            else {
                if ( $page == 'all' ) {
                    return true;
                }
                if ( get_current_screen()->id === $page ) {
                    return true;
                }
                if ( isset($_GET['page']) && sanitize_text_field($_GET['page']) == $page ) {
                    return true;
                }
            }
            return false;
        }
    }

    // Required fields check
    public function required_fields( $fields ) {
        if ( !isset( $fields['msg'] ) || ( isset($fields['msg'] ) && empty( $fields['msg'] ) ) ) {
            return true;
        }
        if ( !isset( $fields['title'] ) || ( isset( $fields['title'] ) && empty( $fields['title'] ) ) ) {
            return true;
        }
        return false;
    }

    // Special parameters function that is to be used in any extension of this class
    public function special_parameters($admin_notices) {
        // Intentionally left blank
    }

    public function wd_admin_notices() {
        $wd_options =  $this->config;
        $two_week_review_ignore = add_query_arg( array( $wd_options->prefix . '_admin_notice_ignore' => 'two_week_review' ) );
        $two_week_review_temp = add_query_arg( array( $wd_options->prefix . '_admin_notice_temp_ignore' => 'two_week_review', 'int' => 14 ) );
        $promo_close = add_query_arg( array( $wd_options->prefix . '_admin_notice_ignore' => 'ecommerce_promo' ) );

        $notices['two_week_review'] = array(
          'title' => __('Leave A Review?', $wd_options->prefix),
          'msg' => sprintf(__('We hope you\'ve enjoyed using WordPress %s! Would you consider leaving us a review on WordPress.org?', $wd_options->prefix), $wd_options->plugin_title),
          'link' => '<li><span class="dashicons dashicons-external"></span><a href="https://wordpress.org/support/plugin/' . $wd_options->plugin_wordpress_slug . '/reviews?filter=5&rate=5#new-post" target="_blank">' . __('Sure! I\'d love to!', $wd_options->prefix) . '</a></li>
                         <li><span class="dashicons dashicons-smiley"></span><a href="' . $two_week_review_ignore . '"> ' . __('I\'ve already left a review', $wd_options->prefix) . '</a></li>
                         <li><span class="dashicons dashicons-calendar-alt"></span><a href="' . $two_week_review_temp . '">' . __('Maybe Later', $wd_options->prefix) . '</a></li>
                         <li><span class="dashicons dashicons-dismiss"></span><a href="' . $two_week_review_ignore . '">' . __('Never show again', $wd_options->prefix) . '</a></li>',
          'later_link' => $two_week_review_temp,
          'int' => 14
        );

        $this->admin_notice($notices);
    }
}
