<?php
/*
Plugin Name: Tenzing Campaign Monitor
Plugin URI: http://gotenzing.com/wordpress-plugins/tenzing-campaign-monitor
Description: For campaign monitor
Version: 1.0
Author: Tenzing Communications Inc.
License: GPLv2
*/




require_once plugin_dir_path(__FILE__) . 'vendor/autoload.php';
require_once plugin_dir_path(__FILE__) . 'class/class-campaign-handler.php';
require_once plugin_dir_path(__FILE__) . 'class/class-campaign-item.php';

register_activation_hook(__FILE__, 'tz_campaign_monitor_install');
register_deactivation_hook(__FILE__, 'tz_campaign_monitor_remove');

add_action('plugins_loaded', 'init');

function init() {
    wp_enqueue_style('tzcm_style', plugin_dir_url(__FILE__) . 'css/tzcm.css', [], false);
    wp_enqueue_script('tzcm_script', plugin_dir_url(__FILE__) . 'js/tzcm.js', [], false, true);
}

// Set up our WordPress Plugin
function tz_campaign_monitor_install()
{
    date_default_timezone_set('America/Toronto');

    $campaignItemArray = campaign_Monitor_GetData('DESC');

    /** @var campaignItemClass $campaignItemObject */
    foreach ($campaignItemArray as $campaignItemObject) {
        $cm_post = [
            'post_title'  => $campaignItemObject->getItemURL(),
            'post_type'   => 'campaign',
            'post_status' => 'publish',
        ];

        wp_insert_post($cm_post);
    }
}

add_action(
    'init',
    function () {
        register_post_type(
            'campaign',
            [
                'labels'              => [
                    'name'              => __('campaign'),
                    'singular_name'     => __('campaign'),
                    'parent_item_colon' => ''
                ],
                'public'              => true,
                'publicly_queryable'  => true,
                'query_var'           => false,
                'exclude_from_search' => false,
                'show_ui'             => false,
                //'menu_position' => 23,
                'supports'            => [
                    'title'
                ],
                //'taxonomies' => array('post_tag'),
                'show_in_nav_menus'   => false,
                'rewrite'             => [
                    'pages'     => false,
                    'slug'      => 'app/wp-content/plugins/tenzing-campaign-monitor/campaignRetriever.php?campaignURL=http://eblast.gotenzing.com/t/ViewEmailArchive/r',
                    'with_frot' => false
                ],
                'hierarchical'        => true,
                'capability_type'     => 'post',
                'has_archive'         => true
            ]
        );

    }
);

function tz_campaign_monitor_remove()
{
    // Delete transient
    delete_transient('cm_' . get_option('cm_client_id'));

    //delete wp_options
    delete_option('cm_client_id');
    delete_option('cm_api_key');

    //delete all cm posts
    $args    = [
        'post_type'      => 'campaign', /* Change with your custom post type name */
        'posts_per_page' => -1,
    ];
    $results = get_posts($args);
    foreach ($results as $post) : setup_postdata($post);
        wp_delete_post($post->ID, true);
    endforeach;
    wp_reset_postdata();
}


if (is_admin()) {
    add_action('admin_menu', 'display_cm_menu');
}

function display_cm_menu()
{
    add_submenu_page(
        'options-general.php',
        'Set Campaign Monitor',
        'Campaign Monitor Menu',
        'manage_options',
        'display_cm',
        'display_cm_html_page'
    );
}

add_action('admin_post_cm_actid_save_hook', 'process_cm_options');

function process_cm_options()
{
    if (!current_user_can('manage_options')) {
        wp_die('You are not allowed to be on this page.');
    }
    // Check that nonce field
    check_admin_referer('cm_actid_verify');

    if (isset($_POST['cm_client_id']) && isset($_POST['cm_api_key'])) {
        if (!empty($_POST['cm_client_id']) && !empty($_POST['cm_api_key'])) {
            update_option('cm_client_id', $_POST['cm_client_id']);
            update_option('cm_api_key', $_POST['cm_api_key']);

//            campaign_Monitor_LoadData();
            wp_redirect(admin_url('options-general.php?page=display_cm&m=1'));
            exit;
        } else {
            wp_redirect(admin_url('options-general.php?page=display_cm&m=2'));
            exit;
        }
    }
}

function display_cm_html_page()
{
    if (isset($_GET['m'])) {
        switch ($_GET['m']) {
            case '1':
                echo '<div id="message" class="updated fade"><p><strong style="font-size:15px;">You have successfully updated your Campaign Monitor Client ID & API Key.</strong></p></div>';
                break;
            case '2':
                echo '<div id="message" class="error fade"><p><strong style="font-size:15px;">You must enter your Campaign Monitor Client ID & API Key.</strong></p></div>';
                break;
        }
    }
    ?>
    <div class="wrap">
        <h2>Set Campaign Monitor Client ID & API Key</h2>
        <form method="post" action="admin-post.php">
            <input type="hidden" name="action" value="cm_actid_save_hook" />
            <?php wp_nonce_field('cm_actid_verify'); ?>
            <p>
                <label for="cm_client_id">Campaign Monitor Client ID: </label>
                <input type="text" name="cm_client_id" id="cm_client_id"
                       value="<?php echo get_option('cm_client_id'); ?>"
                       style="width:500px" />
            </p>
            <p>
                <label for="cm_api_key">Campaign Monitor API Key: </label>
                <input type="text" name="cm_api_key" id="cm_api_key" value="<?php echo get_option('cm_api_key'); ?>" style="width:500px" />
            </p>
            <p>
                <?php

                $campaignItemArray = campaign_Monitor_GetData('DESC');
                $campaignHandler = new campaignHandlerClass($campaignItemArray);
                $yearArray = $campaignHandler->getCampaignYears();
                // getCampaignYears not working
                $yearArray = array('2018','2019','2020','2021', '2022');
                echo 'Please click a year to sync: ';
                foreach($yearArray as $year) : ?>
                    <?php
                        $syncTime = get_option('tcm_sync_time_' . $year);
                        $syncTime = $syncTime == false ? 'N/A' : date('Y-m-d G:i', $syncTime);
                    ?>
                    <br>
                    <button type="button" class="year-sync" data-value="<?php echo $year;?>">
                        <img src="/wp-admin/images/wpspin_light.gif" alt="loader icon" class="ajax-loader" style="display: none;"/>
                        <?php echo $year;?><br>Last sync: <span class="sync-time"><?php echo $syncTime;?></span>
                    </button>
                    <br>
                <?php endforeach;?>
            </p>
            <p>
                <input type="submit" value="Save" class="button-primary" />
            </p>
        </form>
    </div>
    <?php
}

if (!wp_next_scheduled('wpjam_daily_function_hook')) {
    wp_schedule_event(time(), 'daily', 'wpjam_daily_function_hook');
}

add_action('wpjam_daily_function_hook', 'campaign_Monitor_LoadData');

add_action('wp_ajax_load_campaign_data', 'campaign_Monitor_LoadData');

function campaign_Monitor_LoadData()
{
    $action = $_POST['action'];
    $year = $_POST['year'];

    if(empty($year)) {
        $year = date('Y');
    }

    // Check if there is cached data
    $clientID = get_option('cm_client_id');
    $apiKey   = get_option('cm_api_key');

    if ($clientID !== false && $apiKey !== false) {
        $auth   = array('api_key' => $apiKey);
        $wrap   = new CS_REST_Clients(
            $clientID,
            $auth
        );
        $result = $wrap->get_campaigns();
        if ($result->was_successful()) {
            set_transient('cm_' . $clientID, serialize($result->response), DAY_IN_SECONDS);
        } else {
            echo 'Failed with code '.$result->http_status_code."\n<br /><pre>";
            var_dump($result->response);
            echo '</pre>';
        }

        //delete all cm posts

        if(get_option('tcm_clean_up')) {
            $args    = [
                'post_type'      => 'campaign', /* Change with your custom post type name */
                'posts_per_page' => -1,
                'meta_query' => array(
                    array(
                        'key' => 'sent_year',
                        'value' => $year
                    )
                )
            ];
        } else {
            $args    = [
                'post_type'      => 'campaign', /* Change with your custom post type name */
                'posts_per_page' => -1
            ];

            update_option('tcm_clean_up', true);
        }

        $results = get_posts($args);
        foreach ($results as $post) : setup_postdata($post);
            wp_delete_post($post->ID, true);
        endforeach;
        wp_reset_postdata();

        $campaignItemArray = campaign_Monitor_GetData('DESC');
        /** @var campaignItemClass $campaignItemObject */
        foreach ($campaignItemArray as $campaignItemObject) {
            $itemYear = (int)date("Y", strtotime($campaignItemObject->getItemDate()));
            if($itemYear == $year) {
                $dom = new DOMDocument;
                // We don't want to bother with white spaces
                $dom->preserveWhiteSpace = false;

                // Most HTML Developers are chimps and produce invalid markup...
                $dom->strictErrorChecking = false;
                $dom->recover = true;

                libxml_use_internal_errors(true);  //hides errors from invalid tags
                $dom->loadHTMLFile($campaignItemObject->getItemTextURL());

                $DOMxpath = new DOMXPath($dom);
                $DivContent = $DOMxpath->query("//div");
                $postContent = $DivContent->item(0)->textContent;
                $cm_post = [
                    'post_title'  => $campaignItemObject->getItemName(),
                    'post_type'   => 'campaign',
                    'post_status' => 'publish',
                    'post_content' => utf8_decode($postContent),
                    'meta_input' => array(
                        'sent_year' => $year,
                        'item_url' => $campaignItemObject->getItemURL()
                    )
                ];

                wp_insert_post($cm_post);
            }
        }

        update_option('tcm_sync_time_' . $year, time());

        wp_send_json_success(['sync_time'=>time()]);
    }
}
function getUrlContent($url){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    $data = curl_exec($ch);
    $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    return ($httpcode>=200 && $httpcode<300) ? $data : false;
}


function campaign_Monitor_GetData($order)
{
    $clientID          = get_option('cm_client_id');
    $apiKey            = get_option('cm_api_key');
    $cachedResult      = get_transient('cm_' . $clientID);
    $campaignItemArray = [];  //no file found, return a empty array

    if ($cachedResult) {
        $cachedResultArray = is_serialized($cachedResult) ? unserialize($cachedResult) : $cachedResult;

        foreach($cachedResultArray as $campaignItem) {
            $campaignItemObject = new campaignItemClass($campaignItem);
            array_push($campaignItemArray, $campaignItemObject);
        }

        if ($order == 'DESC') {
            usort($campaignItemArray, 'descDate');
        } else {
            if ($order == 'ASC') {
                usort($campaignItemArray, 'ascDate');
            }
        }
        return $campaignItemArray;
    } else {
        return $campaignItemArray;
    }

}


function descDate($a, $b)
{
    return -(strtotime($a->getItemDate()) - strtotime($b->getItemDate()));
}


function ascDate($a, $b)
{
    return strtotime($a->getItemDate()) - strtotime($b->getItemDate());
}


function campaign_Monitor_CreateHTML($atts)
{

    $atts
        = shortcode_atts(
        [
            'newsletter_name'  => '',
            'orderby'          => 'date',
            'order'            => 'DESC',
            'number_posts'     => -1,
            'template'         => 'table',
            'is_pop_up_window' => 'false',
        ],
        $atts
    );

    if (preg_replace("/\s|　/", "", $atts['newsletter_name']) != '') {
        $newsletter_name = is_string($atts['newsletter_name']) ? array_map(
            'trim',
            explode(',', strtolower($atts['newsletter_name']))
        )
            : $atts['newsletter_name'];
    } else {
        $newsletter_name = '';
    }

    $orderBy          = $atts['orderby'];
    $order            = $atts['order'];
    $number_posts     = $atts['number_posts'];
    $template         = $atts['template'];
    $is_pop_up_window = $atts['is_pop_up_window'];

    $output = "";

    $campaignItemArray = campaign_Monitor_GetData($order);
    if (count($campaignItemArray) > 0) {
        $campaignHandlerObject = new campaignHandlerClass($campaignItemArray);
        $output .= ($newsletter_name == '') ? $campaignHandlerObject->displayAllItem($number_posts, $is_pop_up_window)
            : $campaignHandlerObject->displayMatchItems($newsletter_name, $number_posts, $is_pop_up_window);
    } else {
        campaign_Monitor_LoadData();
        wp_redirect('../broker-landing-page/circulars/');
        exit;
        $output .= '<h2>No Newsletters found under this client.</h2>';
    }

    return $output;

}

add_shortcode('campaign_monitor', 'campaign_Monitor_CreateHTML');

?>