<?php
/**
 * Class for connecting with the LBRY Network
 *
 * @package LBRYPress
 */

class LBRY_Network
{

    /**
     * The Publishing Object
     * @var LBRY_Network_Publisher
     */
    public $publisher = null;

    /**
     * The Parsing Object
     * @var LBRY_Network_Parser
     */
    public $parser = null;

    public function __construct()
    {
        $this->publisher = new LBRY_Network_Publisher();
        $this->parser = new LBRY_Network_Parser();

        $this->post_meta_setup();
    }

    /**
     * Sets up everything for the post meta boxes
     */
    private function post_meta_setup()
    {
        // Add the meta boxes
        add_action( 'add_meta_boxes', array( $this, 'lbry_meta_boxes' ) );

        // Save the post meta on 'save_post' hook
        add_action( 'wp_insert_post', array( $this, 'save_post_meta' ), 11, 2 );
    }

    /**
     * Adds the meta boxes to the post editing backend
     */
    public function lbry_meta_boxes( $post )
    {
        // IDEA: Support post types based on user selection
        add_meta_box(
            'lbry-network-publishing',      // Unique ID
            __('LBRY Network', 'lbrypress'),                // Title
            array($this, 'meta_box_html'),  // Callback function
            'post',                         // Screen Options (or post type)
            'side',                         // Context
            'high'                          // Priority
        );
    }

    /**
     * Handles saving the post meta that is relative to publishing to the LBRY Network
     * @param  int      $post_id    The ID of the post we are saving
     * @param  WP_Post  $post       The Post Object we are saving
     * @return int                  Returns post_id if user cannot edit post
     */
    public function save_post_meta( $post_id, $post )
    {
        if ( $post->post_type != 'post' ) {
            return $post_id;
        }
        if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
            return $post_id;
        }
        // Verify the nonce before proceeding.
        if ( ! isset( $_POST['_lbrynonce'] ) || ! wp_verify_nonce( $_POST['_lbrynonce'], 'lbry_publish_post_nonce' ) ) {
            //LBRY()->notice->set_notice('error', 'Security check failed' );
            return $post_id;
        }
        $post_type = get_post_type_object( $post->post_type );
        if ( ! current_user_can( $post_type->cap->edit_post, $post_id ) ) {
            return $post_id;
        }
        if ( ( $_POST[LBRY_WILL_PUBLISH] ) && $_POST[LBRY_WILL_PUBLISH] != get_post_meta( $post_id, LBRY_WILL_PUBLISH, true ) ) {
            update_post_meta( $post_id, LBRY_WILL_PUBLISH, $_POST[LBRY_WILL_PUBLISH] );
        } elseif ( ! isset( $_POST[LBRY_WILL_PUBLISH] ) ) {
            update_post_meta( $post_id, LBRY_WILL_PUBLISH, 0 );
        }

        $channel = $_POST[LBRY_POST_PUB_CHANNEL];
         $cur_channel = ( get_post_meta( $post_id, LBRY_POST_PUB_CHANNEL, true ) ? get_post_meta( $post_id, LBRY_POST_PUB_CHANNEL, true ) : get_post_meta( $post_id, '_lbry_channel', true ) );
        $license = $_POST[LBRY_POST_PUB_LICENSE];
        $cur_license = get_post_meta( $post_id, LBRY_POST_PUB_LICENSE, true );
        $will_publish = $_POST[LBRY_WILL_PUBLISH];

        // Update meta acordingly
            
        if ( $channel !== $cur_channel ) {
            update_post_meta( $post_id, LBRY_POST_PUB_CHANNEL, $channel );
            delete_post_meta( $post_id, '_lbry_channel'); // remove the _lbry_channel if already set from the post and replaces with _lbry_post_pub_channel to avoid confusion
        } elseif ( $channel === $cur_channel && ( $cur_channel === get_post_meta( $post_id, '_lbry_channel', true ) ) ) {
            update_post_meta( $post_id, LBRY_POST_PUB_CHANNEL, $channel );
            delete_post_meta( $post_id, '_lbry_channel'); // remove the _lbry_channel if already set from the post and replaces with _lbry_post_pub_channel to avoid confusion
        }
        if ( $license !== $cur_license ) {
            update_post_meta( $post_id, LBRY_POST_PUB_LICENSE, $license );
        }
        if ( ( $will_publish ) && ( $will_publish == 1 ) && $post->post_status == 'publish') {
            // Publish the post on the LBRY Network
            $this->publisher->publish( $post, $channel, $license );
        }
    }

    /**
     * Returns the HTML for the LBRY Meta Box
     * @param WP_POST   $post
     */
    public function meta_box_html( $post )
    {
        require_once( LBRY_ABSPATH . 'templates/meta-box.php' );
    }
}