<?php
/*
Plugin Name: widgets
Version: 1.0
Plugin URI:
Description: Create widgets
Author: RBS
Author URI:
License: GPLv2 or later
License URI: http://www.opensource.org/licenses/gpl-license.php
*/



//Uson una CPT llamada 'curso-ingles-basico'

add_action( 'add_meta_boxes', 'rb_mp3tables_register_meta_boxes' );
function rb_mp3tables_register_meta_boxes(){

  add_meta_box( 'rb_mp3tables_1', 'Mp3 Tables', 'rb_mp3tables_1_display', 'curso-ingles-basico', 'advanced', 'high');

  add_meta_box( 'rb_podcastfields_id1', 'Podcast Fields', 'rb_podcastfields_id1_display', 'curso-ingles-basico','side', 'high' );

}

// METABOX1

// Añadimos los campos de formulario a nuestro meta box
function rb_mp3tables_1_display( $post ){
  $post_id = $post->ID;
  //obtenemos los metadata de este post
  $rb_mp3tables_metadata = get_post_meta( $post_id, '_rb_mp3tables_folder', true );
?>
<!-- text -->
<p>
  <label for="rb_mp3tables_folder">Folder:</label>
  <input type="text" name="rb_mp3tables_folder" id="rb_mp3tables_folder" value="<?php if( isset( $rb_mp3tables_metadata ) ) echo $rb_mp3tables_metadata; ?>">
</p>

<?php
}

// METABOX2 - Busca los post ID del CPT 'podcast' que está generado por Simple Seriously Podcasting

// Añadimos los campos de formulario a nuestro meta box
function rb_podcastfields_id1_display($post){
  $post_id = $post->ID;
  $rb_podcast_enabled = get_post_meta( $post_id, '_rb_podcast_enabled', true );
  $rb_podcast_episode = get_post_meta( $post_id, '_rb_podcast_episode', true );
  ?>
  <p>
    <label for="rb_podcast_enabled">
    <input type="checkbox" name="rb_podcast_enabled" id="rb_podcast_enabled" value="yes" <?php if( isset( $rb_podcast_enabled ) ) checked($rb_podcast_enabled, 'yes'); ?>>
    Podcast Enabled?</label>
  </p>

    <p>
      <label for="rb_podcast_episode">Podcast Episode</label>
      <select name="rb_podcast_episode" id="rb_podcast_episode">
        <option value="">-- Choose Podcast</option>
        <?php
        $podcasts = rb_podcast_query();
        if( $podcasts != [] ):
          foreach ($podcasts as $podcast):
          ?>
          <option value ="<?php echo $podcast[0]; ?>" <?php if( isset( $rb_podcast_episode ) ) selected($rb_podcast_episode,  $podcast[0] ); ?>>  <?php echo $podcast[1]; ?>  </option>
          <?php
          endforeach;
        endif;
        ?>
      </select>
    </p>
  <?php
}

// Guardamos los meta datos
add_action( 'save_post', 'rb_mp3tables_save_meta' );

function rb_mp3tables_save_meta( $post_id ){

  // comprobamos si hay datos en el campo del formulario
  if( isset($_POST['rb_mp3tables_folder']) && ($_POST['rb_mp3tables_folder'] != '') ):
    // añadirlo o modificar el metadata
    update_post_meta( $post_id, '_rb_mp3tables_folder', $_POST['rb_mp3tables_folder'] );
  endif;

  // comprobamos si hay datos en el campo del formulario
  if( isset($_POST['rb_podcast_enabled']) && ($_POST['rb_podcast_enabled'] !='')):
      // añadirlo o modificar el metadata
    update_post_meta( $post_id, '_rb_podcast_enabled', $_POST['rb_podcast_enabled'] );
  endif;

  if( isset($_POST['rb_podcast_episode']) && ($_POST['rb_podcast_episode'] !='')):
      // añadirlo o modificar el metadata
    update_post_meta( $post_id, '_rb_podcast_episode', $_POST['rb_podcast_episode'] );
  endif;
}

// Función con la WP_Query
function rb_podcast_query(){

  $podcasts = [];

  $args = array( 'posts_per_page' => 100,
                    'offset' => 0,
                    'category' => '',
                    'category_name' => '',
                    'orderby' => 'date',
                    'order' => 'desc',
                    'post_type' => 'podcast',
                    'post_parent' => '',
                    'post_status' => 'publish',
                    'suppress_filters' => true );

  $my_query = new WP_Query( $args );
  if($my_query->have_posts()):
    while($my_query->have_posts()):
      $my_query->the_post();
      $podcasts[] = [get_the_ID(),get_the_title()];
    endwhile;
    wp_reset_postdata();
  endif; ?>

  return $podcasts;
}