<?php

namespace Tz\WordPress\Tools\Notifications\Settings;

use Tz\WordPress\Tools;
use Tz\WordPress\Tools\Notifications;

const CAPABILITY = 'manage_notifications';
const MANAGE_SYSTEM_NOTIFICATIONS = 'create_system_notifications';
const SETTING_NS = 'canspam_settings';
const ADMIN_PAGE = 'canspam_admin';

call_user_func(
    function () {
        $role = get_role('administrator');
        $role->add_cap(CAPABILITY);
        $role->add_cap(MANAGE_SYSTEM_NOTIFICATIONS);

        Vars::$settings = new Tools\WP_Option(SETTING_NS);

        Tools\add_actions(__NAMESPACE__ . '\Actions');
    }
);

function display_page()
{
    if (isset($_GET['action']) && $_GET['action'] == "edit") {
        /** @var \StdClass $entry */
        $entry = get_post($_GET['page_id']);

        $id = $entry->ID;

        $details = get_post_meta($id, 'details', true);
        $email = get_post_meta($id, 'email', true);
        $system = get_post_meta($id, 'system', true);
        $push = get_post_meta($id, 'push', true);

        $entry->details = $details;
        $entry->email = $email;
        $entry->system = $system;
        $entry->push = $push;

        $validation = new Notifications\Validation;

        $validation->set_rules('type', 'Notification Type', 'required');
        $validation->set_rules('title', 'Description', 'trim|required|min_length[4]');
        $validation->set_rules('sendto', 'Send To', 'required');

        $type_val = ($_POST && $_POST['type'] == 'scheduled') ? 'required' : '';
        $validation->set_rules('execute_date', 'Execute Date', $type_val);

        $trigger_val = ($_POST && $_POST['type'] == 'triggered') ? 'required' : '';
        $validation->set_rules('trigger', 'Trigger', $trigger_val);

        $validation->set_rules('system_message_type', 'System Message Type', 'trim');

        foreach (['en', 'fr'] as $lang) {
            $validation->set_rules($lang . '_subject', 'Subject', 'trim');
            $validation->set_rules($lang . '_text', 'Text Version', 'trim|min_length[16]');
            $validation->set_rules($lang . '_html', 'HTML Version', 'trim|min_length[16]');
            $validation->set_rules($lang . '_system', 'System Message', 'trim|min_length[16]');
        }

        //details
        if ($validation->run() == true) {

            // Clean up data before saving
            Tools\tzClean($_POST);

            $type = $_POST['type'];
            $title = $_POST['title'];
           
            $sendto = $_POST['sendto'];
            $executeDate = ($type == 'scheduled' || $type == 'newsletter') ? $_POST['execute_date'] : '0000-00-00 00:00:00';
            $trigger = ($type == 'scheduled' || $type == 'newsletter') ? 'scheduled-cron-job' : $_POST['trigger'];
            $style = $_POST['email_style'];
            $emailData = [];
            $systemMessageData = [];
            $pushMessageData = [];

            foreach (['en', 'fr'] as $lang) {
                // email
                $subject = $_POST[$lang . '_subject'];
                $text = $_POST[$lang . '_text'];
                $html = $_POST[$lang . '_html'];
                $attachments = [];
                $upload_dir = wp_upload_dir();
                $uploadDir = $upload_dir['basedir'] . '/notifications/';

                fixFilesArray($_FILES[$lang . '_attachment']);

                foreach ($_FILES[$lang . '_attachment'] as $position => $file) {
                    // should output array with indices name, type, tmp_name, error, size
                    if ($file['name'] != '') {
                        move_uploaded_file($file['tmp_name'], $uploadDir . $file['name']);
                        $attachments[] = $file['name'];
                    }
                }

                // system
                $systemMessageType = $_POST['system_message_type'];
                $system = $_POST[$lang . '_system'];

                $pushMessageTime = $_POST[$lang . '_push_notifications_time'];
                $push_title = $_POST[$lang . '_push_notifications_title'];
                $message = $_POST[$lang . '_push_notifications_message'];
                $link = $_POST[$lang . '_push_notifications_link'];
                $status = $_POST[$lang . '_push_notifications_status'];

                if (count($entry->email[$lang . '_attachments']) > 0) {
                    $attachments = array_merge($entry->email[$lang . '_attachments'], $attachments);
                }

                $emailData = array_merge(
                    $emailData,
                    [
                        $lang . '_subject' => $subject,
                        $lang . '_text' => $text,
                        $lang . '_html' => $html,
                        $lang . '_attachments' => $attachments,
                    ]
                );
                $systemMessageData = array_merge(
                    $systemMessageData,
                    [
                        'system_message_type' => $systemMessageType,
                        $lang . '_message' => $system,
                    ]
                );
                $pushMessageData = array_merge(
                    $pushMessageData,
                    [
                        'push_message_time' => $pushMessageTime,
                        $lang . '_title' => $push_title,
                        $lang . '_message' => $message,
                        $lang . '_link' => $link,
                        $lang . '_status' => $status,
                    ]
                );
            }

            update_post_meta(
                $id,
                'details',
                [
                    'type' => $type,
                    'sendto' => $sendto,
                    'status' => $entry->details['status'],
                    'trigger' => $trigger,
                    'execute_date' => $executeDate,

                ]
            );
            update_post_meta($id, 'send_status', $entry->details['status']);
            update_post_meta($id, 'notif_type', $type);
            //            update_post_meta($id, 'execute_date', mysqldatetime_to_timestamp($executeDate));
            update_post_meta($id, 'execute_date', strtotime($executeDate));
            update_post_meta($id, 'trigger', $trigger);

            update_post_meta($id, 'email', $emailData);
            update_post_meta($id, 'system', $systemMessageData);
            update_post_meta($id, 'style', $style);
            update_post_meta($id, 'push', $pushMessageData);

            $update = [];
            $update['ID'] = $id;
            $update['post_title'] = $title;
            wp_update_post($update);

            $id = $entry->ID;

            $details = get_post_meta($id, 'details', true);
            $email = get_post_meta($id, 'email', true);
            $system = get_post_meta($id, 'system', true);
            $push = get_post_meta($id, 'push', true);

            $entry->details = $details;
            $entry->email = $email;
            $entry->system = $system;
            $entry->push = $push;

            $flash = '<strong>Notification Saved Successfully!</strong><br /><a href=""/wp-admin/admin.php?page=notifications">Click here</a> to view all notifications.</a>';
            require_once __DIR__ . '/views/form.php';
        } else {
            require_once __DIR__ . '/views/form.php';
        }
    } else {
        if (isset($_GET['action']) && $_GET['action'] == 'delete') {
            wp_delete_post($_GET['page_id'], true);
        } elseif (isset($_GET['action']) && $_GET['action'] == 'archive') {
            $id = $_GET['page_id'];

            $postdata = get_post_meta($id, 'details', true);
            $postdata['status'] = "archived";

            update_post_meta($id, 'details', $postdata);
            update_post_meta($id, 'send_status', $postdata['status']);
        }

        // get all the notifications that status != "archived";
        $notifications = [];
        $notifications['triggered'] = [];
        $notifications['scheduled'] = [];

        $args = [
            'post_type' => 'notifications',
            'numberposts' => -1,
            'orderby' => 'modified',
            'order' => 'desc',
            'meta_key' => 'send_status',
            'meta_compare' => '=',
            'meta_value' => 'pending',
        ];

        $entries = get_posts($args);

        foreach ($entries as $entry) {
            $id = $entry->ID;

            $details = get_post_meta($id, 'details', true);
            $email = get_post_meta($id, 'email', true);
            $system = get_post_meta($id, 'system', true);
            $push = get_post_meta($id, 'push', true);

            $entry->trigger = $details['trigger'];
            $entry->status = isset($details['status']) ? $details['status'] : 'active';
            $entry->type = $details['type'];
            $entry->sendto = $details['sendto'];

            $entry->is_email = (($email['en_text'] != '' || $email['en_html'] != '')) || (($email['fr_text'] != '' || $email['fr_html'] != '')) ? true : false;
            $entry->is_system = (isset($system['en_message']) && $system['en_message'] != '') || (isset($system['fr_message']) && $system['fr_message'] != '') ? true : false;
            $entry->push = (isset($push['en_message']) && $push['en_title'] != '') || (isset($push['fr_message']) && $push['en_title'] != '') ? true : false;
            $entry->execute_date = $details['execute_date'];

            if ($entry->status != 'archived') {
                $notifications[$entry->type][] = $entry;
            }
        }

        require_once __DIR__ . '/views/admin.php';
    }
}

/**
 * @param string $datetime
 *
 * @return int
 */
function mysqldatetime_to_timestamp($datetime = '')
{
    // function is only applicable for valid MySQL DATETIME (19 characters) and DATE (10 characters)
    $l = strlen($datetime);
    if (!($l == 10 || $l == 19)) {
        return 0;
    }

    //
    $date = $datetime;
    $hours = 0;
    $minutes = 0;
    $seconds = 0;

    // DATETIME only
    if ($l == 19) {
        list($date, $time) = explode(" ", $datetime);
        list($hours, $minutes, $seconds) = explode(":", $time);
    }

    list($year, $month, $day) = explode("-", $date);

    return mktime($hours, $minutes, $seconds, $month, $day, $year);
}

/**
 * @param $files
 */
function fixFilesArray(&$files)
{
    $names = ['name' => 1, 'type' => 1, 'tmp_name' => 1, 'error' => 1, 'size' => 1];

    foreach ($files as $key => $part) {
        // only deal with valid keys and multiple files
        $key = (string) $key;
        if (isset($names[$key]) && is_array($part)) {
            foreach ($part as $position => $value) {
                $files[$position][$key] = $value;
            }
            // remove old key reference
            unset($files[$key]);
        }
    }
}

function notification_settings()
{

    require_once __DIR__ . '/views/settings.php';
}

function create_notification()
{
    $validation = new Notifications\Validation;

    $validation->set_rules('type', 'Notification Type', 'required');
    $validation->set_rules('title', 'Description', 'trim|required|min_length[4]');
    $validation->set_rules('sendto', 'Send To', 'required');

    $type_val = ($_POST && $_POST['type'] == 'scheduled') ? 'required' : '';
    $validation->set_rules('execute_date', 'Execute Date', $type_val);

    $trigger_val = ($_POST && $_POST['type'] == 'triggered') ? 'required' : '';
    $validation->set_rules('trigger', 'Trigger', $trigger_val);

    $validation->set_rules('system_message_type', 'System Message Type', 'trim');

    foreach (['en', 'fr'] as $lang) {
        $validation->set_rules($lang . '_subject', 'Subject', 'trim');
        //        $validation->set_rules($lang.'_text', 'Text Version', 'trim|min_length[16]');
        //        $validation->set_rules($lang.'_html', 'HTML Version', 'trim|min_length[16]');
        $validation->set_rules($lang . '_text', 'Text Version', 'trim');
        $validation->set_rules($lang . '_html', 'HTML Version', 'trim');
        $validation->set_rules($lang . '_system', 'System Message', 'trim|min_length[16]');
    }

    if ($_POST && ($_POST['en_subject'] == '' && $_POST['fr_subject'] == '' && $_POST['en_system'] == '' && $_POST['fr_system'] == '')) {
        $form_error = true;
        require_once __DIR__ . '/views/create.php';
    } else {
        if ($validation->run() == true) {

            // Clean up the data before saving
            Tools\tzClean($_POST);

            // ok, so now we need to create the notification.
            class PostTemplate
            {
                var $post_title = '';
                var $post_content = '';
                var $post_status = 'publish';
                var $post_type = 'notifications';
                var $comment_status = 'closed';
            }

            // details
            $type = $_POST['type'];
            $title = $_POST['title'];
            $sendto = $_POST['sendto'];
            $executeDate = ($type == 'scheduled' || $type == 'newsletter') ? $_POST['execute_date'] : '0000-00-00 00:00:00';
            $trigger = ($type == 'scheduled' || $type == 'newsletter') ? 'scheduled-cron-job' : $_POST['trigger'];
            $style = $_POST['email_style'];
            $emailData = [];
            $systemMessageData = [];
            $pushMessageData = [];
            $def_trid = "";
            foreach (['en', 'fr'] as $lang) {
                // email
                $subject = $_POST[$lang . '_subject'];
                $text = $_POST[$lang . '_text'];
                $html = strip_word_html($_POST[$lang . '_html']);
                $attachments = [];
                $uploadDir = wp_upload_dir()['basedir'] . '/notifications/';

                fixFilesArray($_FILES[$lang . '_attachment']);

                foreach ($_FILES[$lang . '_attachment'] as $position => $file) {
                    // should output array with indices name, type, tmp_name, error, size
                    if ($file['name'] != '') {
                        move_uploaded_file($file['tmp_name'], $uploadDir . $file['name']);
                        $attachments[] = $file['name'];
                    }
                }

                if ($style == 'newsletter') {
                    $newletter_id = -1;
                    $author_id = 1;
                    $slug = strtolower($subject);
                    $newsletter_type = $_POST['newsletter_type'];

                    if (null == get_page_by_title($subject)) {

                        // Set the page ID so that we know the page was created successfully
                        $post_id = wp_insert_post(
                            array(
                                'comment_status' => 'closed',
                                'ping_status' => 'closed',
                                'post_author' => '1',
                                'post_name' => $slug,
                                'post_title' => $subject,
                                'post_status' => 'publish',
                                'post_type' => 'newsLetter',
                                'post_content' => $html,

                            )
                        );
                       

                        if ($post_id) {

                            // https://wpml.org/wpml-hook/wpml_element_type/
                            wp_set_object_terms( $post_id, $newsletter_type, 'newsletter_type' );
                            
                            $wpml_element_type = apply_filters('wpml_element_type', 'newsletter');

                            // get the language info of the original post
                            // https://wpml.org/wpml-hook/wpml_element_language_details/
                            $get_language_args = array('element_id' => $post_id, 'element_type' => 'post_product');
                            $original_post_language_info = apply_filters('wpml_element_language_details', null, $get_language_args);

                            $set_language_args = array(
                                'element_id' => $post_id,
                                'element_type' => $wpml_element_type,
                                'trid' => $original_post_language_info->trid,
                                'language_code' => $lang,
                                'source_language_code' => $original_post_language_info->language_code,
                            );

                            do_action('wpml_set_element_language_details', $set_language_args);

                        }

                        if ($post_id && $lang == 'en') {
                            $postIdEn = $post_id;
                        }

                        if ($post_id && $lang == 'fr') {
                            $postIdFr = $post_id;
                        }
                    } else {

                        $post_id = -2;
                    }

                }

                // system
                $systemMessageType = $_POST['system_message_type'];
                $system = $_POST[$lang . '_system'];

                $pushMessageTime = $_POST[$lang . '_push_notifications_time'];
                $push_title = $_POST[$lang . '_push_notifications_title'];
                $message = $_POST[$lang . '_push_notifications_message'];
                $link = $_POST[$lang . '_push_notifications_link'];
                $status = $_POST[$lang . '_push_notifications_status'];

                $emailData = array_merge(
                    $emailData,
                    [
                        $lang . '_subject' => $subject,
                        $lang . '_text' => $text,
                        $lang . '_html' => $html,
                        $lang . '_attachments' => $attachments,

                    ]
                );
                $systemMessageData = array_merge(
                    $systemMessageData,
                    [
                        'system_message_type' => $systemMessageType,
                        $lang . '_message' => $system,
                    ]
                );
                $pushMessageData = array_merge(
                    $pushMessageData,
                    [
                        'push_message_time' => $pushMessageTime,
                        $lang . '_title' => $push_title,
                        $lang . '_message' => $message,
                        $lang . '_link' => $link,
                        $lang . '_status' => $status,
                    ]
                );

                $links[$lang] =  get_post_field( 'post_name', $post_id );
            }

            // make post...
            $notification = new PostTemplate();
            $notification->post_title = $title;
            $notification->post_content = 'Notification created ' . date(
                'Y-m-d H:i:s'
            ) . " --- to be sent on $executeDate";
            $notification->post_date_gmt = date('Y-m-d H:i:s', time());

            $id = wp_insert_post((array) $notification);

            if ($style == 'newsletter') {
                update_post_meta($id, 'links', $links);
                global $sitepress;
                $def_trid = $sitepress->get_element_trid($postIdEn, 'post_newsletter');
                $sitepress->set_element_language_details($postIdFr, 'post_newsletter', $def_trid, 'fr');
            }

            update_post_meta(
                $id,
                'details',
                [
                    'type' => $type,
                    'sendto' => $sendto,
                    'status' => 'pending',
                    'trigger' => $trigger,
                    'execute_date' => $executeDate,

                ]
            );
            update_post_meta($id, 'send_status', 'pending');
            update_post_meta($id, 'notif_type', $type);
            //            update_post_meta($id, 'execute_date', mysqldatetime_to_timestamp($executeDate));
            update_post_meta($id, 'execute_date', strtotime($executeDate));

            update_post_meta($id, 'trigger', $trigger);

            update_post_meta($id, 'email', $emailData);
            update_post_meta($id, 'style', $style);
            update_post_meta($id, 'system', $systemMessageData);
            update_post_meta($id, 'push', $pushMessageData);

            $flash = "<strong>Notification Saved Successfully!</strong><br /><a href='/wp-admin/admin.php?page=notifications'>Click here</a> to view all notifications.</a>";
            require_once __DIR__ . '/views/create.php';
        } else {
            require_once __DIR__ . DIRECTORY_SEPARATOR . 'views' . DIRECTORY_SEPARATOR . 'create.php';
        }
    }
}

function strip_word_html($text, $allowed_tags = '<b><i><sup><sub><em><strong><u><br>')
{

    mb_regex_encoding('UTF-8');
    //replace MS special characters first
    $search = array('/&lsquo;/u', '/&rsquo;/u', '/&ldquo;/u', '/&rdquo;/u', '/&mdash;/u');
    $replace = array('\'', '\'', '"', '"', '-');
    $text = preg_replace($search, $replace, $text);
    //make sure _all_ html entities are converted to the plain ascii equivalents - it appears
    //in some MS headers, some html entities are encoded and some aren't
    $text = html_entity_decode($text, ENT_QUOTES, 'UTF-8');

    //on some of the ?newer MS Word exports, where you get conditionals of the form 'if gte mso 9', etc., it appears
    //that whatever is in one of the html comments prevents strip_tags from eradicating the html comment that contains
    //some MS Style Definitions - this last bit gets rid of any leftover comments */
    $num_matches = preg_match_all("/\<!--/u", $text, $matches);
    if ($num_matches) {
        $text = preg_replace('/\<!--(.)*--\>/isu', '', $text);
    }

    $text = preg_replace('/(?:width\=\"\d*\")\S/mxi', '>', $text);
    $text = preg_replace('/(?:width\=\"\d*%\")\S/mxi', '>', $text);

    

    return $text;
}