<?php
/**
 * Custom Sidebars
 *
 * @package Total Theme Core
 * @subpackage Framework
 * @version 1.0
 */

namespace TotalThemeCore;

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

class WidgetAreas {

	protected $widget_areas	= array();
	protected $orig			= array();

	/**
	 * Start things up
	 *
	 * @since 1.6.0
	 */
	public function __construct( $widget_areas = array() ) {
		add_action( 'init', array( $this, 'register_sidebars' ), 1000 );
		add_action( 'admin_print_scripts-widgets.php', array( $this, 'add_widget_box' ), PHP_INT_MAX );
		add_action( 'load-widgets.php', array( $this, 'add_widget_area' ), 100 );
		add_action( 'load-widgets.php', array( $this, 'scripts' ), 100 );
		add_action( 'wp_ajax_wpex_delete_widget_area', array( $this, 'wpex_delete_widget_area' ) );
	}

	/**
	 * Add the widget box inside a script
	 *
	 * @since 1.6.0
	 */
	public function add_widget_box() {
		$nonce = wp_create_nonce ( 'delete-wpex-widget_area-nonce' ); ?>
		  <script type="text/html" id="wpex-add-widget-template">
			<div id="wpex-add-widget" class="widgets-holder-wrap">
			 <div class="">
			  <input type="hidden" name="wpex-nonce" value="<?php echo esc_attr( $nonce ); ?>" />
			  <div class="sidebar-name">
			   <h3><?php esc_html_e( 'Create Widget Area', 'total-theme-core' ); ?> <span class="spinner"></span></h3>
			  </div>
			  <div class="sidebar-description">
				<form id="addWidgetAreaForm" action="" method="post">
				  <div class="widget-content">
					<input id="wpex-add-widget-input" name="wpex-add-widget-input" type="text" class="regular-text" title="<?php esc_attr_e( 'Name', 'total-theme-core' ); ?>" placeholder="<?php esc_attr_e( 'Name', 'total-theme-core' ); ?>" />
				  </div>
				  <div class="widget-control-actions">
					<div class="aligncenter">
					  <input class="addWidgetArea-button button-primary" type="submit" value="<?php esc_attr_e( 'Create Widget Area', 'total-theme-core' ); ?>" />
					</div>
					<br class="clear">
				  </div>
				</form>
			  </div>
			 </div>
			</div>
		  </script>
		<?php
	}

	/**
	 * Create new Widget Area
	 *
	 * @since 1.6.0
	 */
	public function add_widget_area() {
		if ( ! empty( $_POST['wpex-add-widget-input'] ) ) {
			$this->widget_areas = $this->get_widget_areas();
			array_push( $this->widget_areas, $this->check_widget_area_name( $_POST['wpex-add-widget-input'] ) );
			$this->save_widget_areas();
			wp_redirect( admin_url( 'widgets.php' ) );
			die();
		}
	}

	/**
	 * Before we create a new widget_area, verify it doesn't already exist. If it does, append a number to the name.
	 *
	 * @since 1.6.0
	 */
	public function check_widget_area_name( $name ) {
		if ( empty( $GLOBALS['wp_registered_widget_areas'] ) ) {
			return $name;
		}

		$taken = array();
		foreach ( $GLOBALS['wp_registered_widget_areas'] as $widget_area ) {
			$taken[] = $widget_area['name'];
		}

		$taken = array_merge( $taken, $this->widget_areas );

		if ( in_array( $name, $taken ) ) {
			$counter  = substr( $name, -1 );
			$new_name = "";

			if ( ! is_numeric( $counter ) ) {
				$new_name = $name . " 1";
			} else {
				$new_name = substr( $name, 0, -1 ) . ((int) $counter + 1);
			}

			$name = $this->check_widget_area_name( $new_name );
		}
		echo esc_html( $name );
		exit();
	}

	public function save_widget_areas() {
		set_theme_mod( 'widget_areas', array_unique( $this->widget_areas ) );
	}

	/**
	 * Register and display the custom widget_area areas we have set.
	 *
	 * @since 1.6.0
	 */
	public function register_sidebars() {

		// Register new widget areas from $this->type post type

		// Get widget areas
		if ( empty( $this->widget_areas ) ) {
			$this->widget_areas = $this->get_widget_areas();
		}

		// Original widget areas is empty
		$this->orig = array();

		// Save widget areas
		if ( ! empty( $this->orig ) && $this->orig != $this->widget_areas ) {
			$this->widget_areas = array_unique( array_merge( $this->widget_areas, $this->orig ) );
			$this->save_widget_areas();
		}

		// Get tag element from theme mod for the sidebar widget title
		$tag         = get_theme_mod( 'sidebar_headings' );
		$tag         = $tag ? $tag : 'div';
		$tag_escaped = trim( esc_attr( $tag ) );

		// If widget areas are defined add a sidebar area for each
		if ( is_array( $this->widget_areas ) ) {
			foreach ( array_unique( $this->widget_areas ) as $widget_area ) {
				$widget_area = wp_strip_all_tags( $widget_area );
				$args = array(
					'id'			=> sanitize_key( $widget_area ),
					'name'			=> $widget_area,
					'class'			=> 'wpex-custom',
					'before_widget' => '<div id="%1$s" class="sidebar-box widget %2$s clr">',
					'after_widget'  => '</div>',
					'before_title'  => '<' . $tag_escaped . ' class="widget-title">',
					'after_title'   => '</' . $tag_escaped . '>',
				);
				register_sidebar( $args );
			}
		}
	}

	/**
	 * Return the widget_areas array.
	 *
	 * @since 1.6.0
	 */
	public function get_widget_areas() {

		// If the single instance hasn't been set, set it now.
		if ( ! empty( $this->widget_areas ) ) {
			return $this->widget_areas;
		}

		// Get widget areas saved in theem mod
		$widget_areas = get_theme_mod( 'widget_areas' );

		// If theme mod isn't empty set to class widget area var
		if ( ! empty( $widget_areas ) && is_array( $widget_areas ) ) {
			$this->widget_areas = array_unique( array_merge( $this->widget_areas, $widget_areas ) );
		}

		// Return widget areas
		return $this->widget_areas;
	}

	/**
	 * Before we create a new widget_area, verify it doesn't already exist. If it does, append a number to the name.
	 *
	 * @since 1.6.0
	 */
	public function wpex_delete_widget_area() {
		if ( ! empty( $_REQUEST['name'] ) ) {
			$name = strip_tags( ( stripslashes( $_REQUEST['name'] ) ) );
			$this->widget_areas = $this->get_widget_areas();
			$key = array_search( $name, $this->widget_areas );
			if ( $key >= 0 ) {
				unset( $this->widget_areas[$key] );
				$this->save_widget_areas();
			}
			echo "widget_area-deleted";
		}
		die();
	}

	/**
	 * Enqueue JS for the customizer controls
	 *
	 * @since 1.6.0
	 */
	public function scripts() {

		// Load scripts
		wp_enqueue_style( 'dashicons' );

		wp_enqueue_script(
			'wpex-widget-areas',
			TTC_PLUGIN_DIR_URL . 'assets/js/widget-areas.js',
			array( 'jquery' ),
			'1.0',
			true
		);

		wp_enqueue_style(
			'wpex-widget-areas',
			TTC_PLUGIN_DIR_URL . 'assets/css/widget-areas.css',
			false,
			'1.0'
		);

		// Localize script
		wp_localize_script(
			'wpex-widget-areas',
			'wpexWidgetAreasLocalize',
			array(
				'count'   => count( $this->orig ),
				'delete'  => esc_html__( 'Delete', 'total-theme-core' ),
				'confirm' => esc_html__( 'Confirm', 'total-theme-core' ),
				'cancel'  => esc_html__( 'Cancel', 'total-theme-core' ),
			)
		);
	}

}

new WidgetAreas();