<?php
   /*
   Plugin Name: telmo timeline
   Plugin URI:
   Description: escribe json
   Version: 1.0
   Author: Aitor Méndez
   Author URI: https//e451.net
   License: WTFPL – Do What the Fuck You Want to Public License
   */
?>
<?php

function create_timeline_json() {

    $posts_tl = get_posts(array(
      'post_type' => array( 'post' ),
      'posts_per_page' => '-1',
      'post_status' => 'publish',
    ));


    $timeline = array(
      'events' => [],
    );


    foreach ($posts_tl as $post) {
      $fecha_ok = new DateTime(get_field('fecha_conversacion', $post->ID, false));
      $anio = date_format($fecha_ok,"Y");
      $mes = date_format($fecha_ok,"m");
      $dia = date_format($fecha_ok,"d");
      $titulo = get_the_title($post->ID);
      $img_url = get_the_post_thumbnail_url($post->ID, 'merz-image');


      $media = array(
        "url" => $img_url,
        "caption" => " ",
        "credit" => " ",
      );

      $start_date = array(
        "month" => $mes,
        "day"   => $dia,
        "year"  => $anio,
      );

      $text = array(
        "headline" => $titulo,
      );

      $evento = array(
        "media" => $media,
        "start_date" => $start_date,
        "text" => $text,
      );

      $timeline[events][] = $evento;
    }
    wp_reset_postdata();

    $posts_tl = get_posts(array(
      'post_type' => array( 'dialogos' ),
      'posts_per_page' => '-1',
      'post_status' => 'publish',
    ));

    foreach ($posts_tl as $post) {
      $fecha_ok = new DateTime(get_field('fecha_conversacion', $post->ID, false));
      $anio = date_format($fecha_ok,"Y");
      $mes = date_format($fecha_ok,"m");
      $dia = date_format($fecha_ok,"d");
      $titulo = get_the_title($post->ID);
      $texto = '<p>'.$post->post_content.'<p>';

      $start_date = array(
        "month" => $mes,
        "day"   => $dia,
        "year"  => $anio,
      );

      $text = array(
        "headline" => $titulo,
        "text" => $texto,
      );

      $evento = array(
        "start_date" => $start_date,
        "text" => $text,
      );

      $timeline[events][] = $evento;
    }
    wp_reset_postdata();

    $output =json_encode($timeline);
    $output_1 = str_replace("\\/","/",$output);
    $output_2 = str_replace("\\n\\n","</p><p>",$output_1);
    $output_3 = str_replace("\\n","<br/>",$output_2);


    $fp = fopen( ABSPATH . '../app/themes/sage/timeline.json', 'w' );
    fwrite( $fp, $output_3 );
    fclose( $fp );

}
add_action('save_post', __NAMESPACE__ . '\\create_timeline_json');

?>