<?php

/**
 * Widget Recent Post
 *
 * @package Construction_Landing_Page
 */
// register Construction_Landing_Page_Recent_Post widget

function construction_landing_page_register_recent_post_widget() {

    register_widget( 'Construction_Landing_Page_Recent_Post' );

}

add_action( 'widgets_init', 'construction_landing_page_register_recent_post_widget' );
/**
 * Adds Construction_Landing_Page_Recent_Post widget.
 */
class Construction_Landing_Page_Recent_Post extends WP_Widget {
	/**
	 * Register widget with WordPress.
	 */
	function __construct() {
		parent::__construct(

			'construction_landing_page_recent_post', // Base ID

			__( 'RARA: Recent Post', 'construction-landing-page' ), // Name

			array( 'description' => __( 'A Recent Post Widget', 'construction-landing-page' ), ) // 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'] ) ? $instance['num_post'] : 3 ;
         $show_thumb     = ! empty( $instance['show_thumbnail'] ) ? $instance['show_thumbnail'] : '';
         $show_date      = ! empty( $instance['show_postdate'] ) ? $instance['show_postdate'] : '';
         $cat            = get_theme_mod( 'construction_landing_page_exclude_cat' );
         if( $cat ) $cat = array_diff( array_unique( $cat ), array('') );

        $qry = new WP_Query( array(
            'post_type'             => 'post',
            'post_status'           => 'publish',
            'posts_per_page'        => $num_post,
            'ignore_sticky_posts'   => true,
            'category__not_in'      => $cat,

        ) );

        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 ){
                                echo '<a href="' . esc_url( get_the_permalink() ) . '" class="post-thumbnail">';
                                if( has_post_thumbnail() ){                                     
                                    the_post_thumbnail( 'construction-landing-page-recent', array( 'itemprop' => 'image' ) );                                    
                                }else{
                                    construction_landing_page_get_fallback_svg( 'construction-landing-page-recent' );
                                } 
                                echo '</a>';
                            }
                        ?>
						<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', 'construction-landing-page' ); ?></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', 'construction-landing-page' ); ?></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', 'construction-landing-page' ); ?></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', 'construction-landing-page' ); ?></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 Construction_Landing_Page_Recent_Post 