<?php
if (!class_exists('Elegant_Magazine_Single_Col_Categorised_Posts')) :
  /**
   * Adds Elegant_Magazine_Single_Col_Categorised_Posts widget.
   */
  class Elegant_Magazine_Single_Col_Categorised_Posts extends AFthemes_Widget_Base
  {
    /**
     * Sets up a new widget instance.
     *
     * @since 1.0.0
     */
    function __construct()
    {
      $this->text_fields = array('em-categorised-posts-title', 'em-categorised-posts-subtitle', 'em-number-of-posts');
      $this->select_fields = array('em-select-category', 'em-show-excerpt');

      $widget_ops = array(
        'classname' => 'elegant_magazine_single_col_categorised_posts',
        'description' => __('Displays posts from selected category in single column.', 'elegant-magazine'),
        'customize_selective_refresh' => true,
      );

      parent::__construct('elegant_magazine_single_col_categorised_posts', __('EM Posts - Single Column ', 'elegant-magazine'), $widget_ops);
    }

    /**
     * Front-end display of widget.
     *
     * @see WP_Widget::widget()
     *
     * @param array $args Widget arguments.
     * @param array $instance Saved values from database.
     */

    public function widget($args, $instance)
    {

      $instance = parent::em_sanitize_data($instance, $instance);


      /** This filter is documented in wp-includes/default-widgets.php */

      $title = apply_filters('widget_title', $instance['em-categorised-posts-title'], $instance, $this->id_base);
      $subtitle = isset($instance['em-categorised-posts-subtitle']) ? $instance['em-categorised-posts-subtitle'] : '';
      $category = isset($instance['em-select-category']) ? $instance['em-select-category'] : '0';
      $show_excerpt = isset($instance['em-show-excerpt']) ? $instance['em-show-excerpt'] : 'true';
      $number_of_posts = '5';
      $excerpt_length = '20';

      // open the widget container
      echo $args['before_widget'];
?>
      <?php if (!empty($title)): ?>
        <h2 class="widget-title">
          <span><?php echo esc_html($title); ?></span>
        </h2>
      <?php endif; ?>
      <?php if (!empty($subtitle)): ?>
        <p class="em-widget-subtitle"><?php echo esc_html($subtitle); ?></p>
      <?php endif; ?>
      <?php
      $all_posts = elegant_magazine_get_posts($number_of_posts, $category);
      ?>
      <div class="widget-block">
        <div class="row-sm">
          <?php
          if ($all_posts->have_posts()) :
            while ($all_posts->have_posts()) : $all_posts->the_post();
              if (has_post_thumbnail()) {
                $thumb = wp_get_attachment_image_src(get_post_thumbnail_id(get_the_ID()), 'elegant-magazine-medium');
                $url = $thumb['0'];
                $col_class = 'col-five';
              } else {
                $url = '';
                $col_class = 'col-ten';
              }
              global $post;

          ?>
              <div class="col col-ten base-border">
                <div class="row-sm align-items-center">
                  <?php if (!empty($url)): ?>
                    <div class="col col-five col-image">
                      <figure class="categorised-article">
                        <div class="categorised-article-item">
                          <div class="article-item-image">
                            <a href="<?php the_permalink(); ?>" aria-label="<?php echo esc_attr(get_the_title($post->ID)); ?>">
                              <img src="<?php echo esc_url($url); ?>" alt="<?php the_title_attribute(); ?>"></a>
                          </div>
                        </div>
                      </figure>
                    </div>
                  <?php endif; ?>
                  <div class="col col-details <?php echo esc_attr($col_class); ?>">
                    <div class="figure-categories figure-categories-2">
                      <?php elegant_magazine_post_categories('/'); ?>
                    </div>
                    <h3 class="article-title article-title-2">
                      <a href="<?php the_permalink(); ?>" aria-label="<?php echo esc_attr(get_the_title($post->ID)); ?>"><?php the_title(); ?></a>
                    </h3>
                    <div class="grid-item-metadata">
                      <?php echo elegant_magazine_post_format($post->ID); ?>
                      <?php elegant_magazine_post_item_meta(); ?>
                    </div>
                    <?php if ($show_excerpt != 'false'): ?>
                      <div class="full-item-discription">
                        <div class="post-description">
                          <?php if (absint($excerpt_length) > 0) : ?>
                            <?php
                            $excerpt = elegant_magazine_get_excerpt($excerpt_length, get_the_content());
                            echo wp_kses_post(wpautop($excerpt));
                            ?>
                          <?php endif; ?>
                        </div>
                      </div>
                    <?php endif; ?>
                  </div>
                </div>
              </div>
            <?php
            endwhile;

            ?>

          <?php endif;
          wp_reset_postdata(); ?>
        </div>
      </div>

<?php
      // close the widget container
      echo $args['after_widget'];
    }

    /**
     * Back-end widget form.
     *
     * @see WP_Widget::form()
     *
     * @param array $instance Previously saved values from database.
     */
    public function form($instance)
    {
      $this->form_instance = $instance;
      $options = array(
        'true' => __('Yes', 'elegant-magazine'),
        'false' => __('No', 'elegant-magazine')

      );


      //print_pre($terms);
      $categories = elegant_magazine_get_terms();

      if (isset($categories) && !empty($categories)) {
        // generate the text input for the title of the widget. Note that the first parameter matches text_fields array entry
        echo parent::em_generate_text_input('em-categorised-posts-title', 'Title', 'Single Column Posts');
        echo parent::em_generate_text_input('em-categorised-posts-subtitle', 'Subtitle', 'Single Column Posts Subtitle');
        echo parent::em_generate_select_options('em-select-category', __('Select category', 'elegant-magazine'), $categories);

        echo parent::em_generate_select_options('em-show-excerpt', __('Show excerpt', 'elegant-magazine'), $options);
      }

      //print_pre($terms);


    }
  }
endif;
