<?php
/**
 * Widget Popular Post
 *
 * @package Spa_and_Salon
 */
 
// register Spa_and_Salon_Popular_Post widget
function spa_and_salon_register_popular_post_widget() {
    register_widget( 'Spa_and_Salon_Popular_Post' );
}
add_action( 'widgets_init', 'spa_and_salon_register_popular_post_widget' );

if( ! class_exists( 'Spa_and_Salon_Popular_Post' ) ):  
 /**
 * Adds Spa_and_Salon_Popular_Post widget.
 */
class Spa_and_Salon_Popular_Post extends WP_Widget {

	/**
	 * Register widget with WordPress.
	 */
	function __construct() {
		parent::__construct(
			'spa_and_salon_popular_post', // Base ID
			esc_html__( 'RARA: Popular Post', 'spa-and-salon' ), // Name
			array( 'description' => esc_html__( 'A Popular Post Widget', 'spa-and-salon' ), ) // Args
		);
	}

	/**
	 * 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 ) {
	   
        $title      = ! empty( $instance['title'] ) ? $instance['title'] : '';
        $num_post   = ! empty( $instance['num_post'] ) ? absint( $instance['num_post'] ): 3 ;
        $show_thumb = ! empty( $instance['show_thumbnail'] ) ? $instance['show_thumbnail'] : '';
        $show_date  = ! empty( $instance['show_postdate'] ) ? $instance['show_postdate'] : '';
        
        $qry = new WP_Query( array(
            'post_type'           => 'post',
            'post_status'         => 'publish',
            'posts_per_page'      => $num_post,
            'ignore_sticky_posts' => true,
            'orderby'             => 'comment_count'
        ) );
        
        if( $qry->have_posts() ){
            echo $args['before_widget'];
            if( $title ) echo $args['before_title'] . apply_filters( 'widget_title', $title, $instance, $this->id_base ) . $args['after_title'];
            ?>
            <ul>
                <?php 
                while( $qry->have_posts() ){
                    $qry->the_post();
                ?>
                    <li>
                        <?php 
                        if( $show_thumb ){ ?>
                            <a href="<?php the_permalink();?>" class="post-thumbnail">
                                <?php 
                                if ( has_post_thumbnail() ) {
                                    the_post_thumbnail( 'spa-and-salon-recent-post', array( 'itemprop' => 'image' ) );
                                }else{
                                    spa_and_salon_get_fallback_svg( 'spa-and-salon-recent-post' );
                                }
                                ?>
                            </a>
                        <?php } ?>
                        
                        <div class="entry-header">
                            <h3 class="entry-title"><a href="<?php the_permalink(); ?>"><?php the_title();?></a></h3>
                            <?php if( $show_date  ){?>
                                <div class="entry-meta">
                                    <span class="posted-on">
                                        <a href="<?php the_permalink(); ?>">
                                            <time><?php echo esc_html( get_the_date() ); ?></time>
                                        </a>                                    
                                    </span>
                                </div>
                            <?php }?>
                        </div>                        
                    </li>        
                <?php    
                }
            ?>
            </ul>
            <?php
            echo $args['after_widget'];   
        }
        wp_reset_postdata();  
	}

	/**
	 * Back-end widget form.
	 *
	 * @see WP_Widget::form()
	 *
	 * @param array $instance Previously saved values from database.
	 */
	public function form( $instance ) {
        
        $title          = ! empty( $instance['title'] ) ? $instance['title'] : '';
        $num_post       = ! empty( $instance['num_post'] ) ? $instance['num_post'] : 3 ;
        $show_thumbnail = ! empty( $instance['show_thumbnail'] ) ? $instance['show_thumbnail'] : '';
        $show_postdate  = ! empty( $instance['show_postdate'] ) ? $instance['show_postdate'] : '';
        
        ?>
		
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title', 'spa-and-salon' ); ?></label> 
            <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) );  ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
		</p>
        
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'num_post' ) ); ?>"><?php esc_html_e( 'Number of Posts', 'spa-and-salon' ); ?></label> 
            <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'num_post' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'num_post' ) ); ?>" type="number" step="1" min="1" value="<?php echo esc_attr( $num_post ); ?>" />
		</p>
        
        <p>
            <input id="<?php echo esc_attr( $this->get_field_id( 'show_thumbnail' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_thumbnail' ) ); ?>" type="checkbox" value="1" <?php checked( '1', $show_thumbnail ); ?>/>
            <label for="<?php echo esc_attr( $this->get_field_id( 'show_thumbnail' ) ); ?>"><?php esc_html_e( 'Show Post Thumbnail', 'spa-and-salon' ); ?></label>
		</p>
        
        <p>
            <input id="<?php echo esc_attr( $this->get_field_id( 'show_postdate' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_postdate' ) ); ?>" type="checkbox" value="1" <?php checked( '1', $show_postdate ); ?>/>
            <label for="<?php echo esc_attr( $this->get_field_id( 'show_postdate' ) ); ?>"><?php esc_html_e( 'Show Post Date', 'spa-and-salon' ); ?></label>
		</p>
		<?php 
	}

	/**
	 * Sanitize widget form values as they are saved.
	 *
	 * @see WP_Widget::update()
	 *
	 * @param array $new_instance Values just sent to be saved.
	 * @param array $old_instance Previously saved values from database.
	 *
	 * @return array Updated safe values to be saved.
	 */
	public function update( $new_instance, $old_instance ) {
		
        $instance = array();
		
        $instance['title']          = ! empty( $new_instance['title'] ) ? sanitize_text_field( $new_instance['title'] ) : '';
        $instance['num_post']       = ! empty( $new_instance['num_post'] ) ? absint( $new_instance['num_post'] ) : 3 ;        
        $instance['show_thumbnail'] = ! empty( $new_instance['show_thumbnail'] ) ? absint( $new_instance['show_thumbnail'] ) : '';
        $instance['show_postdate']  = ! empty( $new_instance['show_postdate'] ) ? absint( $new_instance['show_postdate'] ) : '';
		
        return $instance;
                
	}

} // class Spa_and_Salon_Popular_Post 

endif;