<?php
/**
 * @author  RadiusTheme
 * @since   1.0
 * @version 1.0
 */

namespace radiustheme\Metro_Core;

use \WP_Widget;
use \RT_Widget_Fields;
use radiustheme\Metro\Helper;

class Post_Widget extends WP_Widget {
	public function __construct() {
		$id = METRO_CORE_THEME_PREFIX . '_post';
		parent::__construct(
            $id, // Base ID
            esc_html__( 'Metro: Posts', 'metro-core' ), // Name
            array( 'description' => esc_html__( 'Metro: Posts', 'metro-core' )
        ) );
	}

	public function widget( $args, $instance ){
		echo wp_kses_post( $args['before_widget'] );

		if ( ! empty( $instance['title'] ) ) {
			echo wp_kses_post( $args['before_title'] ) . apply_filters( 'widget_title', esc_html( $instance['title'] ) ) . wp_kses_post( $args['after_title'] );
		}

		$q_args = array(
			'cat'                 => (int) $instance['cat'],
			'orderby'             => $instance['orderby'],
			'posts_per_page'      => $instance['number'],
			'ignore_sticky_posts' => true,
		);

		switch ( $instance['orderby'] ) {
			case 'title':
			case 'menu_order':
			$q_args['order'] = 'ASC';
			break;
		}

		$query = new \WP_Query( $q_args );
		$thumb_size = 'rdtheme-size3';
		?>
		<?php if ( $query->have_posts() ) :?>
			<?php while ( $query->have_posts() ) : $query->the_post();?>
				<div class="rtin-item">
					<?php if ( has_post_thumbnail() ): ?>
						<a class="rtin-thumb" href="<?php the_permalink(); ?>"><?php the_post_thumbnail( 'thumbnail' ); ?><div class="rtin-icon"><i class="flaticon-plus-symbol"></i></div></a>
					<?php else: ?>
						<a class="rtin-thumb" href="<?php the_permalink(); ?>"><img src="<?php echo Helper::get_img( 'nothumb-thumbnail.jpg' );?>"><div class="rtin-icon"><i class="flaticon-plus-symbol"></i></div></a>
					<?php endif; ?>
					<div class="rtin-content">
						<div class="rtin-date"><?php the_time( get_option( 'date_format' ) ); ?></div>
						<h3 class="rtin-title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
					</div>
				</div>
			<?php endwhile;?>
		<?php else: ?>
			<div><?php esc_html_e( 'Currently there are no posts to display', 'metro-core' ); ?></div>
		<?php endif;?>
		<?php wp_reset_postdata();?>
		<?php
		echo wp_kses_post( $args['after_widget'] );
	}

	public function update( $new_instance, $old_instance ){
		$instance             = array();
		$instance['title']    = ( ! empty( $new_instance['title'] ) ) ? sanitize_text_field( $new_instance['title'] ) : '';
		$instance['cat']      = ( ! empty( $new_instance['cat'] ) ) ? sanitize_text_field( $new_instance['cat'] ) : '';
		$instance['orderby']  = ( ! empty( $new_instance['orderby'] ) ) ? sanitize_text_field( $new_instance['orderby'] ) : '';
		$instance['number']   = ( ! empty( $new_instance['number'] ) ) ? sanitize_text_field( $new_instance['number'] ) : '';
		return $instance;
	}

	public function form( $instance ){
		$defaults = array(
			'title'   => '',
			'cat'     => '0',
			'orderby' => '',
			'number'  => '5',
		);
		$instance = wp_parse_args( (array) $instance, $defaults );

		$categories = get_categories();
		$category_dropdown = array( '0' => __( 'All Categories', 'metro-core' ) );

		foreach ( $categories as $category ) {
			$category_dropdown[$category->term_id] = $category->name;
		}

		$orderby = array(
			'date'        => __( 'Date (Recents comes first)', 'metro-core' ),
			'title'       => __( 'Title', 'metro-core' ),
			'menu_order'  => __( 'Custom Order (Available via Order field inside Page Attributes box)', 'metro-core' ),
		);

		$fields = array(
			'title'       => array(
				'label'   => esc_html__( 'Title', 'metro-core' ),
				'type'    => 'text',
			),
			'cat'        => array(
				'label'   => esc_html__( 'Category', 'metro-core' ),
				'type'    => 'select',
				'options' => $category_dropdown,
			),
			'orderby' => array(
				'label'   => esc_html__( 'Order by', 'metro-core' ),
				'type'    => 'select',
				'options' => $orderby,
			),
			'number' => array(
				'label'   => esc_html__( 'Number of Post', 'metro-core' ),
				'type'    => 'number',
			),
		);

		RT_Widget_Fields::display( $fields, $instance, $this );
	}
}