class Avada_Widget_Style {


	public function __construct() {

		add_filter( 'in_widget_form', array( $this, 'add_widget_styling_options' ), 10, 3 );
		add_filter( 'widget_update_callback', array( $this, 'save_widget_styling_options' ), 10, 2 );
		// add_filter( 'widget_display_callback', array( $this, 'widget_display_callback' ), 10, 3 );
		add_filter( 'dynamic_sidebar_params', array( $this, 'add_widget_styles' ) );
	}


	public function add_widget_styling_options( $widget, $return, $instance ) {

		$widget_area = $this->get_sidebar_id_from_widget_id( $widget->id );

		if ( null !== $widget_area && false !== strpos( $widget_area, 'avada-footer-widget' ) ) {

			$padding = isset( $instance['fusion_padding'] ) ? $instance['fusion_padding'] : '';
			?>
			<p>
				<label for="<?php echo $widget->get_field_id( 'fusion_padding' ); ?>">
					<?php _e( 'Padding', 'Avada' ); ?>
				</label>
				<input class="widefat" type="text" id="<?php echo $widget->get_field_id( 'fusion_padding' ); ?>"
				       name="<?php echo $widget->get_field_name( 'fusion_padding' ); ?>"
				       value="<?php echo esc_attr( $padding ); ?>"
				/>
			</p>
			<?php
		}
	}

	public function get_sidebar_id_from_widget_id( $widget_id ) {
		$sidebars = wp_get_sidebars_widgets();

		foreach( (array) $sidebars as $sidebar_id => $sidebar ) {
			if( in_array( $widget_id, (array) $sidebar, true ) )
				return $sidebar_id;
		}

		return null; // not found case
	}

	public function save_widget_styling_options( $instance, $new_instance ) {

		if (! empty( $new_instance['fusion_padding'] ) ) {
			$new_instance['fusion_padding'] = sanitize_text_field( $new_instance['fusion_padding'] );
		}

		return $new_instance;
	}

	public function widget_display_callback( $instance, $widget, $args ) {

		return $instance;
	}


	public function add_widget_styles( $params ) {

		global $wp_registered_widgets;

		if ( ! isset( $params[0] ) ) {
			return $params;
		}

		if ( null !== $params[0]['id'] && false !== strpos( $params[0]['id'], 'avada-footer-widget' ) ) {

			$sidebar_id = $params[0]['id']; // Get the id for the current sidebar we're processing
			$widget_id  = $params[0]['widget_id'];
			$widget_obj = $wp_registered_widgets[ $widget_id ];
			$widget_num = $widget_obj['params'][0]['number'];
			$widget_opt = $this->get_widget_opt( $widget_obj );

			// error_log( 'widget_opts' );
			// error_log( print_r( $widget_opt [ $widget_num ], true ) );

			if ( ! empty( $widget_opt [ $widget_num ]['fusion_padding'] ) ) {
				$params[0]['before_widget'] = str_replace( '>', ' style="padding: ' . esc_attr( $widget_opt [ $widget_num ]['fusion_padding'] ) . ';">', $params[0]['before_widget'] );
			}
		}

		return $params;
	}


	public function get_widget_opt( $widget_obj ) {
		$widget_opt = get_option( $widget_obj['callback'][0]->option_name );

		return $widget_opt;
	}

}


new Avada_Widget_Style();