<?php

if( ! defined( 'RFBP_VERSION' ) ) {
	exit;
}

class RFBP_Widget extends WP_Widget {

	/**
	 * @var array
	 */
	private $defaults = array();

	public function __construct() {
		parent::__construct(
			'rfb_widget',
			'Recent Facebook Posts',
			array( 'description' => __( 'Lists a number of your most recent Facebook posts.', 'recent-facebook-posts' ) )
		);

		$this->defaults = array(
			'title' => __( 'Recent Facebook Posts', 'recent-facebook-posts' ),
			'number_of_posts' => 5,
			'excerpt_length' => 140,
			'show_comment_count' => true,
			'show_like_count' => true,
			'show_page_link' => true,
			'show_link_previews' => false
		);
	}

	public function form( $instance ) {

		$instance = array_merge( $this->defaults, $instance );
		$opts = rfbp_get_settings();

		if ( ! rfbp_valid_config() ) { ?>
 			<p style="color:red;"><?php printf( __( 'You need to <a href="%s">configure Recent Facebook Posts</a> first.', 'recent-facebook-posts' ), admin_url( 'options-general.php?page=rfbp' ) ); ?></p>
 		<?php } ?>

		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'recent-facebook-posts' ); ?></label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'number_of_posts' ); ?>"><?php _e( 'Number of posts:', 'recent-facebook-posts' ); ?></label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'number_of_posts' ); ?>" name="<?php echo $this->get_field_name( 'number_of_posts' ); ?>" type="number" min="1" max="99" value="<?php echo esc_attr( $instance['number_of_posts'] ); ?>" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'excerpt_length' ); ?>"><?php _e( 'Excerpt length:', 'recent-facebook-posts' ); ?></label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'excerpt_length' ); ?>" name="<?php echo $this->get_field_name( 'excerpt_length' ); ?>" type="number" min="1" max="9999"value="<?php echo esc_attr( $instance['excerpt_length'] ); ?>" />
		</p>

		<p>
			<input type="checkbox" id="<?php echo $this->get_field_id( 'show_like_count' ); ?>" name="<?php echo $this->get_field_name( 'show_like_count' ); ?>" value="1" <?php checked( $instance['show_like_count'], 1 ); ?>  />
			<label for="<?php echo $this->get_field_id( 'show_like_count' ); ?>"><?php _e( 'Show like count?', 'recent-facebook-posts' ); ?></label>
		</p>

		<p>
			<input type="checkbox" id="<?php echo $this->get_field_id( 'show_comment_count' ); ?>" name="<?php echo $this->get_field_name( 'show_comment_count' ); ?>" value="1" <?php checked( $instance['show_comment_count'], 1 ); ?> />
			<label for="<?php echo $this->get_field_id( 'show_comment_count' ); ?>"><?php _e( 'Show comment count?', 'recent-facebook-posts' ); ?></label>
		</p>

		<p>
			<input type="checkbox" id="<?php echo $this->get_field_id( 'show_page_link' ); ?>" name="<?php echo $this->get_field_name( 'show_page_link' ); ?>" value="1" <?php if ( $instance['show_page_link'] ) { ?>checked="1"<?php } ?> />
			<label for="<?php echo $this->get_field_id( 'show_page_link' ); ?>"><?php _e( 'Show link to Facebook page?', 'recent-facebook-posts' ); ?></label>
		</p>

		<p>
			<input type="checkbox" id="<?php echo $this->get_field_id( 'show_link_previews' ); ?>" name="<?php echo $this->get_field_name( 'show_link_previews' ); ?>" value="1" <?php if ( $instance['show_link_previews'] ) { ?>checked="1"<?php } ?> />
			<label for="<?php echo $this->get_field_id( 'show_link_previews' ); ?>"><?php _e( 'Show link previews?', 'recent-facebook-posts' ); ?></label>
		</p>

		<?php
	}

	public function update( $new_instance, $old_instance ) {
		$instance = array();
		$instance['title'] = sanitize_text_field( $new_instance['title'] );
		$instance['number_of_posts'] = absint( sanitize_text_field( $new_instance['number_of_posts'] ) );
		$instance['excerpt_length'] = absint( sanitize_text_field( $new_instance['excerpt_length'] ) );
		$instance['show_like_count'] = isset( $new_instance['show_like_count'] );
		$instance['show_comment_count'] = isset( $new_instance['show_comment_count'] );
		$instance['show_page_link'] = isset( $new_instance['show_page_link'] );
		$instance['show_link_previews'] = isset( $new_instance['show_link_previews'] );
		return $instance;
	}

	public function widget( $args, $instance = array() ) {

		$instance = array_merge( $this->defaults, $instance );

		// allow developers to filter ALL widget options
		$instance = apply_filters( 'rfbp_widget_options', $instance );

		// allow developer to filter the widget title
		$title = apply_filters( 'widget_title', $instance['title'] );

		echo $args['before_widget'];

		if ( ! empty( $title ) ) { 
			echo $args['before_title'] . $title . $args['after_title'];
		}

		recent_facebook_posts( array(
				'origin' => 'widget',
				'number' => $instance['number_of_posts'],
				'likes' => $instance['show_like_count'],
				'comments' => $instance['show_comment_count'],
				'excerpt_length' => $instance['excerpt_length'],
				'el' => apply_filters( 'rfbp_widget_element', 'div' ),
				'show_page_link' => $instance['show_page_link'],
				'show_link_previews' => $instance['show_link_previews']
			) );


		echo $args['after_widget'];
	}



}