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

class FFWD_Notices {
    protected $prefix = 'ffwd';
    protected $plugin_url = WD_FFWD_URL;
    protected $plugin_version = "ffwd_version";
    protected $plugin_name = 'facebook-feed-wd';
    protected $promo_link = '';

    public $notice_spam = 0;
    public $notice_spam_max = 1;

    // Basic actions to run
    public function __construct() {

        // 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() {
        $settings = get_option($this->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) {

        // 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
                $admin_notices_option = get_option($this->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'] = $interval;
                    update_option($this->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($this->prefix . '_admin_notice_ignore', $slug)));
                    if (strpos($slug, 'promo') === FALSE) {
                        // Admin notice display output
                        echo '<div class="update-nag wd-admin-notice">
                    <div class="' . $this->prefix . '-notice-logo"></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($this->prefix . '-admin-notices', $this->plugin_url . '/css/ffwd_notices.css', array(), get_option($this->plugin_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() {
        // If user clicks to ignore the notice, update the option to not show it again
        if (isset($_GET[$this->prefix . '_admin_notice_ignore'])) {
            $admin_notices_option = get_option($this->prefix . '_admin_notice', array());
            $admin_notices_option[sanitize_text_field($_GET[$this->prefix . '_admin_notice_ignore'])]['dismissed'] = 1;
            update_option($this->prefix . '_admin_notice', $admin_notices_option);
            $query_str = remove_query_arg($this->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() {
        // If user clicks to temp ignore the notice, update the option to change the start date - default interval of 14 days
        if (isset($_GET[$this->prefix . '_admin_notice_temp_ignore'])) {
            $admin_notices_option = get_option($this->prefix . '_admin_notice', array());
            $current_date = current_time("n/j/Y");
            $date_array   = explode('/', $current_date);
            $interval     = (isset($_GET['wd_int']) ? intval(sanitize_text_field($_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]));

            $admin_notices_option[sanitize_text_field($_GET[$this->prefix . '_admin_notice_temp_ignore'])]['start'] = $new_start;
            $admin_notices_option[sanitize_text_field($_GET[$this->prefix . '_admin_notice_temp_ignore'])]['dismissed'] = 0;
            update_option($this->prefix . '_admin_notice', $admin_notices_option);
            $query_str = remove_query_arg(array($this->prefix . '_admin_notice_temp_ignore', 'wd_int'));
            wp_redirect( $query_str );
            exit;
        }
    }

    public function admin_notice_pages($pages) {
        foreach ($pages as $key => $page) {
            if (is_array($page)) {
                if (isset($_GET['page']) && $_GET['page'] == $page[0] && isset($_GET['tab']) && $_GET['tab'] == $page[1]) {
                    return true;
                }
            }
            else {
                if ($page == 'all') {
                    return true;
                }
                if (get_current_screen()->id === $page) {
                    return true;
                }
                if (isset($_GET['page']) && $_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() {
        $two_week_review_ignore = add_query_arg(array($this->prefix . '_admin_notice_ignore' => 'two_week_review'));
        $two_week_review_temp = add_query_arg(array($this->prefix . '_admin_notice_temp_ignore' => 'two_week_review', 'int' => 14));
        $promo_close = add_query_arg(array($this->prefix . '_admin_notice_ignore' => 'ecommerce_promo'));

        /*$notices['ecommerce_promo'] = array(
          'title' => __('Hey! How\'s It Going?', $this->prefix),
          'msg' => '<div class="promo" style="background-image: url(' . $this->plugin_url . '/images/Gallery-E-Commerce-banner.png);"><a href="' . $this->promo_link . '" target="_blank"></a></div>',
          'link' => '<li><span class="dashicons dashicons-dismiss"></span><a href="' . $promo_close . '">' . __('Never show again', $this->prefix) . '</a></li>',
          'int' => 3
        ); */

        $notices['two_week_review'] = array(
            'title' => __('Leave A Review?', $this->prefix),
            'msg' => sprintf(__('We hope you\'ve enjoyed using WordPress %s! Would you consider leaving us a review on WordPress.org?', $this->prefix), $this->plugin_name),
            'link' => '<li><span class="dashicons dashicons-external"></span><a href="https://wordpress.org/support/view/plugin-reviews/wd-facebook-feed?filter=5" target="_blank">' . __('Sure! I\'d love to!', $this->prefix) . '</a></li>
                 <li><span class="dashicons dashicons-smiley"></span><a href="' . $two_week_review_ignore . '"> ' . __('I\'ve already left a review', $this->prefix) . '</a></li>
                 <li><span class="dashicons dashicons-calendar-alt"></span><a href="' . $two_week_review_temp . '">' . __('Maybe Later', $this->prefix) . '</a></li>
                 <li><span class="dashicons dashicons-dismiss"></span><a href="' . $two_week_review_ignore . '">' . __('Never show again', $this->prefix) . '</a></li>',
            'later_link' => $two_week_review_temp,
            'int' => 14
        );
        $one_week_support = add_query_arg(array($this->prefix . '_admin_notice_ignore' => 'one_week_support'));
        $notices['one_week_support'] = array(
            'title' => __('Hey! How\'s It Going?', $this->prefix),
            'msg' => sprintf(__('Thank you for using WordPress %s! We hope that you\'ve found everything you need, but if you have any questions:', $this->prefix), $this->plugin_name),
            'link' => '<li><span class="dashicons dashicons-media-text"></span><a target="_blank" href="https://help.10web.io/hc/en-us/articles/360017959512-Getting-Facebook-Access-Token?utm_source=facebook_feed&utm_medium=free_plugin">' . __('Check out User Guide', $this->prefix) . '</a></li>
                <li><span class="dashicons dashicons-sos"></span><a target="_blank" href="https://help.10web.io/hc/en-us/requests/new?utm_source=facebook_feed&utm_medium=free_plugin">' . __('Get Some Help', $this->prefix) . '</a></li>
                <li><span class="dashicons dashicons-dismiss"></span><a href="' . $one_week_support . '">' . __('Never show again', $this->prefix) . '</a></li>',
            'int' => 7
        );
        $this->admin_notice($notices);
    }
}