<?php
/*
	Plugin Name: 17TRACK for WooCommerce
	Plugin URI: http://www.17track.net/
	Description: Add tracking number and carrier name to WooCommerce, display tracking info at order history page, auto import tracking numbers to 17TRACK.
	Version: 1.0.0
	Author: 17TRACK
	Author URI: http://www.17track.net
	Copyright: © 17TRACK
*/
if (!defined('ABSPATH'))exit;
if (in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins')))){    
    if (!class_exists('_17TRACK')) {
        final class _17TRACK
        {
            protected static $_instance = null;
            public static function instance()
            {
                if (is_null(self::$_instance)) {
                    self::$_instance = new self();
                }
                return self::$_instance;
            }            
            public function __construct()
            {
                $this->includes();

                $this->api = new YqTrack_API();

                $options = get_option('yqtrack_option_name');
                if ($options) {

                    if (isset($options['plugin'])) {
                        $plugin = $options['plugin'];
                        if ($plugin == '17TRACK') {
                            add_action('admin_print_scripts', array(&$this, 'library_scripts'));
                            add_action('in_admin_footer', array(&$this, 'include_footer_script'));
                            add_action('admin_print_styles', array(&$this, 'admin_styles'));
                            add_action('add_meta_boxes', array(&$this, 'add_meta_box'));
                            add_action('woocommerce_process_shop_order_meta', array(&$this, 'save_meta_box'), 0, 2);
                            add_action('plugins_loaded', array($this, 'load_plugin_textdomain'));

                            $this->couriers = $options['couriers'];
                        }
                        $this->plugin = $plugin;
                    } else {
                        $this->plugin = '';
                    }

                    add_action('woocommerce_view_order', array(&$this, 'display_tracking_info'));
                    add_action('woocommerce_email_before_order_table', array(&$this, 'email_display'));

                }
                
                add_action('show_user_profile', array($this, 'add_api_key_field'));
                add_action('edit_user_profile', array($this, 'add_api_key_field'));
                add_action('personal_options_update', array($this, 'generate_api_key'));
                add_action('edit_user_profile_update', array($this, 'generate_api_key'));

                register_activation_hook(__FILE__, array($this, 'install'));
            }

            public function install()
            {
                global $wp_roles;

                if (class_exists('WP_Roles')) {
                    if (!isset($wp_roles)) {
                        $wp_roles = new WP_Roles();
                    }
                }

                if (is_object($wp_roles)) {
                    $wp_roles->add_cap('administrator', 'manage_yqtrack');
                }
            }

            private function includes()
            {
                $this->yqtrack_fields = array(                
                    'yqtrack_tracking_number' => array(
                        'id' => 'yqtrack_tracking_number',
                        'type' => 'text',
                        'label' => 'Tracking number',
                        'placeholder' => '',
                        'description' => '',
                        'class' => ''
                    ),
                );
                include_once('yqtrack-api.php');                
                include_once('yqtrack-settings.php');
            }
            
            public function load_plugin_textdomain()
            {
                load_plugin_textdomain('17TRACK', false, dirname(plugin_basename(__FILE__)) . '/languages/');
            }

            public function admin_styles()
            {
                wp_enqueue_style('yqtrack_styles_chosen', plugins_url(basename(dirname(__FILE__))) . '/assets/plugin/chosen/chosen.min.css');
                wp_enqueue_style('yqtrack_styles', plugins_url(basename(dirname(__FILE__))) . '/assets/css/admin.css');
            }

            public function library_scripts()
            {
                wp_enqueue_script('yqtrack_styles_chosen_jquery', plugins_url(basename(dirname(__FILE__))) . '/assets/plugin/chosen/chosen.jquery.min.js');
                wp_enqueue_script('yqtrack_styles_chosen_proto', plugins_url(basename(dirname(__FILE__))) . '/assets/plugin/chosen/chosen.proto.min.js');
                wp_enqueue_script('yqtrack_script_util', plugins_url(basename(dirname(__FILE__))) . '/assets/js/util.js');
                wp_enqueue_script('yqtrack_script_couriers', '//res.17track.net/global-v2/merge-i18n/enum/enum.en.js?src=woo');
                wp_enqueue_script('yqtrack_script_admin', plugins_url(basename(dirname(__FILE__))) . '/assets/js/admin.js');
            }
            public function include_footer_script()
            {
                wp_enqueue_script('yqtrack_script_footer', plugins_url(basename(dirname(__FILE__))) . '/assets/js/footer.js', true);
            }
            
            public function add_meta_box()
            {
                add_meta_box('woocommerce-yqtrack', __('17TRACK', 'wc_yqtrack'), array(&$this, 'meta_box'), 'shop_order', 'side', 'core');
            }
            
            public function meta_box()
            {
                global $post;

                $selected_provider = get_post_meta($post->ID, '_yqtrack_tracking_provider', true);

                echo '<div id="yqtrack_wrapper">';

                echo '<p class="form-field"><label for="yqtrack_tracking_provider">' . __('Carrier:', 'wc_yqtrack') . '</label><br/><select id="yqtrack_tracking_provider" name="yqtrack_tracking_provider" class="chosen_select" style="width:100%">';
                if ($selected_provider == '') {
                    $selected_text = 'selected="selected"';
                } else {
                    $selected_text = '';
                }
                echo '<option disabled ' . $selected_text . ' value="">Please Select</option>';
                echo '</select>';
                echo '<input type="hidden" id="yqtrack_tracking_provider_hidden" value="' . $selected_provider . '"/>';
                echo '<input type="hidden" id="yqtrack_couriers_selected" value="' . $this->couriers . '"/>';

                $date = get_post_meta($post->ID, '_yqtrack_tracking_shipdate', true);
                if($date == '')
                {
                    $date = new DateTime();
                    $date = $date->format('Y-m-d\TH:i:s\Z');
                }
                echo '<input type="hidden" id="yqtrack_tracking_shipdate" name="yqtrack_tracking_shipdate" value="' . $date . '"/>';
                $provider_name = get_post_meta($post->ID, '_yqtrack_tracking_provider_name', true);
                echo '<input type="hidden" id="yqtrack_tracking_provider_name" name="yqtrack_tracking_provider_name" value="' . $provider_name . '"/>';
                //
                foreach ($this->yqtrack_fields as $field) {
                    woocommerce_wp_text_input(array(
                        'id' => $field['id'],
                        'label' => __($field['label'], 'wc_yqtrack'),
                        'placeholder' => $field['placeholder'],
                        'description' => $field['description'],
                        'class' => $field['class'],
                        'value' => get_post_meta($post->ID, '_' . $field['id'], true),
                    ));
                }

                echo '</div>';
            }
            
            public function save_meta_box($post_id, $post)
            {
                if (isset($_POST['yqtrack_tracking_number'])) {
                    $tracking_provider = wc_clean($_POST['yqtrack_tracking_provider']);
                    $date = wc_clean($_POST['yqtrack_tracking_shipdate']);
                    $provider_name = wc_clean($_POST['yqtrack_tracking_provider_name']);
                    update_post_meta($post_id, '_yqtrack_tracking_provider', $tracking_provider);
                    update_post_meta($post_id, '_yqtrack_tracking_shipdate', $date);
                    update_post_meta($post_id, '_yqtrack_tracking_provider_name', $provider_name);
                    foreach ($this->yqtrack_fields as $field) {
                       update_post_meta($post_id, '_' . $field['id'], wc_clean($_POST[$field['id']]));
                    }
                }
            }
            
            public function add_api_key_field($user)
            {

                if (!current_user_can('manage_yqtrack'))
                    return;

                if (current_user_can('edit_user', $user->ID)) {
                    ?>
                    <h3>17TRACK</h3>
                    <table class="form-table">
                        <tbody>
                        <tr>
                            <th><label
                                    for="yqtrack_wp_api_key"><?php _e('17TRACK\'s WordPress API Key', '17TRACK'); ?></label>
                            </th>
                            <td>
                                <?php if (empty($user->yqtrack_wp_api_key)) : ?>
                                    <input name="yqtrack_wp_generate_api_key" type="checkbox"
                                           id="yqtrack_wp_generate_api_key" value="0"/>
                                    <span class="description"><?php _e('Generate API Key', '17TRACK'); ?></span>
                                <?php else : ?>
                                    <code id="yqtrack_wp_api_key"><?php echo $user->yqtrack_wp_api_key ?></code>
                                    <br/>
                                    <input name="yqtrack_wp_generate_api_key" type="checkbox"
                                           id="yqtrack_wp_generate_api_key" value="0"/>
                                    <span class="description"><?php _e('Revoke API Key', '17TRACK'); ?></span>
                                <?php endif; ?>
                            </td>
                        </tr>
                        </tbody>
                    </table>
                <?php
                }
            }
            
            public function generate_api_key($user_id)
            {
                if (current_user_can('edit_user', $user_id)) {
                    $user = get_userdata($user_id);
                    if (isset($_POST['yqtrack_wp_generate_api_key'])) {                        
                        if (empty($user->yqtrack_wp_api_key)) {
                            $api_key = 'ck_' . hash('md5', $user->user_login . date('U') . mt_rand());
                            update_user_meta($user_id, 'yqtrack_wp_api_key', $api_key);
                        } else {
                            delete_user_meta($user_id, 'yqtrack_wp_api_key');
                        }
                    }
                }
            }
            
            function display_tracking_info($order_id, $for_email = false)
            {
                if ($this->plugin == '17TRACK') {
                    $this->display_order_yqtrack($order_id, $for_email);
                } else if ($this->plugin == 'wc-shipment-tracking') { 
                    $this->display_order_wc_shipment_tracking($order_id, $for_email);
                }
            }

            private function display_order_yqtrack($order_id, $for_email)
            {
                $values = array();
                foreach ($this->yqtrack_fields as $field) {
                    $values[$field['id']] = get_post_meta($order_id, '_' . $field['id'], true);
                }
                $values['yqtrack_tracking_provider'] = get_post_meta($order_id, '_yqtrack_tracking_provider', true);
                $values['yqtrack_tracking_provider_name'] = get_post_meta($order_id, '_yqtrack_tracking_provider_name', true);

                if (!$values['yqtrack_tracking_provider'])
                    return;

                if (!$values['yqtrack_tracking_number'])
                    return;

                $options = get_option('yqtrack_option_name');
                if (array_key_exists('track_message_1', $options) && array_key_exists('track_message_2', $options)) {
                    $track_message_1 = $options['track_message_1'];
                    $track_message_2 = $options['track_message_2'];
                } else {
                    $track_message_1 = 'Your order was shipped via ';
                    $track_message_2 = 'Tracking number is ';
                }
                echo $track_message_1 . $values['yqtrack_tracking_provider_name'] . '<br/>' . $track_message_2 . $values['yqtrack_tracking_number'];                 
            }

            private function display_order_wc_shipment_tracking($order_id, $for_email)
            {
                if ($for_email || !$this->use_track_button) {
                    return;
                }

                $tracking = get_post_meta($order_id, '_tracking_number', true);
                $sharp = strpos($tracking, '#');
                $colon = strpos($tracking, ':');
                $required_fields = array();
                if ($sharp && $colon && $sharp >= $colon) {
                    return;
                } else if (!$sharp && $colon) {
                    return;
                } else if ($sharp) {
                    $tracking_provider = substr($tracking, 0, $sharp);
                    if ($colon) {
                        $tracking_number = substr($tracking, $sharp + 1, $colon - $sharp - 1);
                        $temp = substr($tracking, $sharp + 1, strlen($tracking));
                        $required_fields = explode(':', $temp);
                    } else {
                        $tracking_number = substr($tracking, $sharp + 1, strlen($tracking));
                    }
                } else {
                    $tracking_provider = '';
                    $tracking_number = $tracking;
                }
            }
            
            function email_display($order)
            {
                $this->display_tracking_info(get_order_id($order), true);
            }

        }

        if (!function_exists('getYqTrackInstance')) {
            function getYqTrackInstance()
            {
                return _17TRACK::Instance();
            }
        }
    }
    
    $GLOBALS['yqtrack'] = getYqTrackInstance();

}