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<?php

/**
 * Class for implementing landing page clone feature
 * @package CTA
 * @subpackage Cloning
 */

class CTA_Clone_Post {

    /**
    *   Initiates class CTA_Clone_Post
    */
    public function __construct() {

        self::load_hooks();

    }

    /**
    *   Loads hooks and filters
    */
    public static function load_hooks() {

        /* Adds quick actions to row */
        add_filter('post_row_actions', array(__CLASS__, 'add_row_actions'),8,2);

        /* Add listener for processing clone request */
        add_action('admin_action_cta_clone_post', array(__CLASS__, 'clone_post'));
    }

    /**
    *   Adds quick links to row listing
    */
    public static function add_row_actions($actions, $post) {

        if ( $post->post_type != 'wp-call-to-action' ) {
            return $actions;
        }

        $actions['clone'] = '<a href="'. self::build_clone_link( $post->ID, 'display', true ).'" title="'
        . esc_attr(__( 'Clone this item', 'inbound-pro' ))
        . '">' .    __( 'Clone', 'inbound-pro' ) . '</a>';

        return $actions;
    }

    /**
    *   Buids quick action link to clone cta
    */
    public static function build_clone_link( $id = 0, $context = 'display', $draft = true){

        if ( !$post = get_post( $id ) ) {
            return;
        }

        $action_name = "cta_clone_post";

        if ( 'display' == $context )
        $action = '?action='.$action_name.'&amp;post='.$post->ID;
        else
        $action = '?action='.$action_name.'&post='.$post->ID;

        $post_type_object = get_post_type_object( $post->post_type );
        if ( !$post_type_object )
        return;

        return apply_filters( 'wp_cta_build_clone_link', admin_url( "admin.php". $action ), $post->ID, $context );
    }

    /**
    *   Clones CTA & redirects
    */
    public static function clone_post($status = '') {
        // Get the original post
        $id = (isset($_GET['post']) ? intval($_GET['post']) : intval($_POST['post']));
        $post = get_post(intval($id));

        // Copy the post and insert it
        if (isset($post) && $post!=null) {
            $new_id = self::clone_post_callback($post, $status);

            if ($status == ''){
                // Redirect to the post list screen
                wp_redirect( admin_url( 'edit.php?post_type='.$post->post_type));
            } else {
                // Redirect to the edit screen for the new draft post
                wp_redirect( admin_url( 'post.php?action=edit&post=' . $new_id ));
            }
            exit;

        } else {
            $post_type_obj = get_post_type_object( $post->post_type );
            wp_die(esc_attr(__( 'Copy creation failed, could not find original:', 'inbound-pro' )) . ' ' . $id);
        }
    }

    /**
    *   Copt CTA & insert clone into databae
    */
    public static function clone_post_callback($post, $status = '', $parent_id = '', $blank = false) {
        $prefix = "";
        $suffix = "";

        if (!is_object($post)&&is_numeric($post)) {
            $post = get_post($post);
        }

        $status = $post->post_status;

        if ($post->post_type == 'revision') {
            return;
        }

        if ($post->post_type != 'attachment'){
            $prefix = "Copy of ";
            $suffix = "";
            $status = 'pending';
        }

        $new_post_author = wp_get_current_user();

        if ($blank==false) {
            $new_post = array(
                'menu_order' => $post->menu_order,
                'comment_status' => $post->comment_status,
                'ping_status' => $post->ping_status,
                'post_author' => $new_post_author->ID,
                'post_content' => $post->post_content,
                'post_excerpt' =>   $post->post_excerpt ,
                'post_mime_type' => $post->post_mime_type,
                'post_parent' => $new_post_parent = empty($parent_id)? $post->post_parent : $parent_id,
                'post_password' => $post->post_password,
                'post_status' => $status,
                'post_title' => $prefix.$post->post_title.$suffix,
                'post_type' => $post->post_type,
            );

            $new_post['post_date'] = $new_post_date =   $post->post_date ;
            $new_post['post_date_gmt'] = get_gmt_from_date($new_post_date);

        } else {

            $new_post = array(
                'menu_order' => $post->menu_order,
                'comment_status' => $post->comment_status,
                'ping_status' => $post->ping_status,
                'post_author' => $new_post_author->ID,
                'post_content' => "",
                'post_excerpt' =>   "" ,
                'post_mime_type' => $post->post_mime_type,
                'post_status' => $status,
                'post_title' => "New Blank Landing Page",
                'post_type' => $post->post_type,
                'post_date' => date('Y-m-d H:i:s')
            );
        }

        $new_post_id = wp_insert_post($new_post);

        $meta_data = self::get_post_meta($post->ID);
        foreach ($meta_data as $key=>$value) {
            update_post_meta($new_post_id,$key,$value);
        }

        return $new_post_id;
    }

    /**
    *   Direct query to get post meta - needs to be phased out
    */
    public static function get_post_meta($post_id) {
        global $wpdb;
        $data   =   array();

        $wpdb->query("
            SELECT `meta_key`, `meta_value`
            FROM $wpdb->postmeta
            WHERE `post_id` = $post_id
        ");

        foreach($wpdb->last_result as $k => $v) {
            $data[$v->meta_key] =   $v->meta_value;
        }

        return $data;
    }
}

$CTA_Clone_Post = new CTA_Clone_Post();