<?php
namespace Jet_Engine\Modules\Profile_Builder;

class Settings {

	private $settings   = null;
	private $pages      = null;

	public $account_key = 'account_page_structure';
	public $user_key    = 'user_page_structure';

	public $default_settings = array(
		'user_page_rewrite'    => 'login',
		'not_logged_in_action' => 'login_redirect',
		'template_mode'        => 'rewrite',
		'posts_restrictions'   => array(),
	);

	/**
	 * Constructor for the class
	 */
	public function __construct() {

		add_action( 'admin_menu', array( $this, 'register_menu_page' ), 40 );

		if ( $this->is_profile_builder_page() ) {
			add_action( 'admin_enqueue_scripts', array( $this, 'menu_page_assets' ) );
		}

		add_action( 'wp_ajax_jet_engine_save_settings', array( $this, 'save_settings' ) );

	}

	/**
	 * Save user settings
	 *
	 * @return [type] [description]
	 */
	public function save_settings() {

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( array( 'message' => __( 'Access denied', 'jet-engine' ) ) );
		}

		$settings = isset( $_REQUEST['settings'] ) ? $_REQUEST['settings'] : false;

		if ( ! $settings || ! is_array( $settings ) ) {
			wp_send_json_error( array( 'message' => __( 'Settings not found in request', 'jet-engine' ) ) );
		}

		$settings = wp_parse_args( $settings, $this->default_settings );
		$settings = wp_unslash( $settings );

		foreach ( $settings as $key => $value ) {
			if ( in_array( $value, array( 'true', 'false' ) ) ) {
				$settings[ $key ] = filter_var( $value, FILTER_VALIDATE_BOOLEAN );
			} elseif ( in_array( $key, array( $this->account_key, $this->user_key ) ) ) {
				if ( ! empty( $settings[ $key ] ) ) {

					$sanitized_settings = array();

					foreach ( $settings[ $key ] as $item ) {
						$item['collapsed'] = true;

						foreach ( $item as $item_key => $item_value ) {
							if ( in_array( $item_value, array( 'true', 'false' ) ) ) {
								$item[ $item_key ] = filter_var( $item_value, FILTER_VALIDATE_BOOLEAN );
							}
						}

						$sanitized_settings[] = $item;
					}

					$settings[ $key ] = $sanitized_settings;

				}
			}
		}

		update_option( Module::instance()->slug, $settings );

		flush_rewrite_rules( true );
		wp_send_json_success();

	}

	/**
	 * Enqueue menu page assets
	 *
	 * @return [type] [description]
	 */
	public function menu_page_assets() {

		$module_data = jet_engine()->framework->get_included_module_data( 'cherry-x-vue-ui.php' );
		$ui          = new \CX_Vue_UI( $module_data );

		$ui->enqueue_assets();

		wp_enqueue_script(
			'jet-engine-profile-builder-settings',
			jet_engine()->plugin_url( 'assets/js/admin/profile-builder/settings.js' ),
			array( 'cx-vue-ui', 'wp-api-fetch' ),
			jet_engine()->get_version(),
			true
		);

		$post_types = array(
			'elementor_library',
		);

		if ( jet_engine()->listings ) {
			$post_types[] = jet_engine()->listings->post_type->slug();
		}

		$settings = $this->get();

		if ( ! empty( $settings['posts_restrictions'] ) ) {
			for ( $i = 0; $i < count( $settings['posts_restrictions'] ); $i++ ) {
				if ( empty( $settings['posts_restrictions'][ $i ]['id'] ) ) {
					$settings['posts_restrictions'][ $i ]['id'] = rand( 1000, 9999 );
				}
			}
		}

		$roles = \Jet_Engine_Tools::get_user_roles_for_js();

		$roles[] = array(
			'value' => 'jet-engine-guest',
			'label' => __( 'Guests (Not logged-in users)', 'jet-engine' ),
		);

		wp_localize_script(
			'jet-engine-profile-builder-settings',
			'JetEngineProfileBuilder',
			array(
				'search_api'      => jet_engine()->api->get_route( 'search-posts' ),
				'search_in'       => apply_filters(
					'jet-engine/profile-builder/settings/template-post-types',
					$post_types
				),
				'settings'        => $settings,
				'pages'           => $this->get_pages_for_options(),
				'visibility_options' => array(
					array(
						'value' => 'all',
						'label' => __( 'All', 'jet-engine' ),
					),
					array(
						'value' => 'owner',
						'label' => __( 'Owner', 'jet-engine' ),
					),
				),
				'user_roles' => $roles,
				'post_types' => \Jet_Engine_Tools::get_post_types_for_js(),
				'not_logged_in_actions' => array(
					array(
						'value' => 'login_redirect',
						'label' => __( 'Redirect to default WordPress login page', 'jet-engine' ),
					),
					array(
						'value' => 'page_redirect',
						'label' => __( 'Redirect to page', 'jet-engine' ),
					),
					array(
						'value' => 'template',
						'label' => __( 'Show template', 'jet-engine' ),
					),
				),
				'rewrite_options' => array(
					array(
						'value' => 'login',
						'label' => __( 'Username', 'jet-engine' ),
					),
					array(
						'value' => 'user_nicename',
						'label' => __( 'User nickname', 'jet-engine' ),
					),
					array(
						'value' => 'id',
						'label' => __( 'User ID', 'jet-engine' ),
					),
				),
			)
		);

		add_action( 'admin_footer', array( $this, 'print_templates' ) );

	}

	/**
	 * Print profile builder settings templates
	 *
	 * @return [type] [description]
	 */
	public function print_templates() {

		ob_start();
		include jet_engine()->get_template( 'profile-builder/admin/settings.php' );
		$content = ob_get_clean();

		printf( '<script type="text/x-template" id="jet-profile-builder">%s</script>', $content );

	}

	/**
	 * Get saved settings by name or get all settings
	 *
	 * @param  [type] $setting [description]
	 * @return [type]          [description]
	 */
	public function get( $setting = null, $default = false ) {

		if ( null === $this->settings ) {
			$this->settings = get_option( Module::instance()->slug, $this->default_settings );
		}

		if ( ! isset( $this->settings['posts_restrictions'] ) ) {
			$this->settings['posts_restrictions'] = array();
		}

		if ( ! $setting ) {
			return $this->settings;
		}

		if ( ! $default ) {
			$default = ! empty( $this->default_settings[ $setting ] ) ? $this->default_settings[ $setting ] : $default;
		}

		return isset( $this->settings[ $setting ] ) ? $this->settings[ $setting ] : $default;

	}

	/**
	 * Returns pages settings
	 *
	 * @return [type] [description]
	 */
	public function get_pages() {

		if ( null !== $this->pages ) {
			return $this->pages;
		}

		$settings = $this->get();
		$pages    = array(
			'account_page'     => false,
			'single_user_page' => 'enable_single_user_page',
			'users_page'       => 'enable_users_page',
		);

		$this->pages = array();

		foreach ( $pages as $page => $enabled_key ) {
			if ( ! $enabled_key && ! empty( $settings[ $page ] ) ) {
				$this->pages[ $page ] = $settings[ $page ];
			} elseif ( $enabled_key && ! empty( $settings[ $enabled_key ] ) && ! empty( $settings[ $page ] ) ) {
				$this->pages[ $page ] = $settings[ $page ];
			} else {
				$this->pages[ $page ] = false;
			}
		}

		return $this->pages;

	}

	/**
	 * Returns URL to profile page by page settings key
	 *
	 * @param  string $page [description]
	 * @return [type]       [description]
	 */
	public function get_page_url( $page = 'account_page' ) {

		$pages = $this->get_pages();

		if ( empty( $pages[ $page ] ) ) {
			return false;
		}

		$page_id = $pages[ $page ];
		$url     = trailingslashit( get_permalink( $page_id ) );

		if ( 'single_user_page' === $page ) {
			$url .= Module::instance()->query->get_queried_user_slug() . '/';
		}

		return $url;

	}

	/**
	 * Return URL to subpage by passed page name and subpage slug
	 *
	 * @return [type] [description]
	 */
	public function get_subpage_url( $slug = null, $page = 'account_page' ) {

		$page_url = $this->get_page_url( $page );

		if ( ! $page_url ) {
			return false;
		} else {

			$pages = ( 'single_user_page' === $page ) ? $this->get( $this->user_key, array() ) : $this->get( $this->account_key, array() );

			if ( ! empty( $pages ) ) {

				$pages = array_values( $pages );
				$page  = $pages[0];

				/*if ( $page['slug'] === $slug ) {
					$slug = null;
				}*/

			}

			return ! empty( $slug ) ? $page_url . $slug . '/' : $page_url;

		}

	}

	/**
	 * Check if profile builder page is currently displaying
	 *
	 * @return boolean [description]
	 */
	public function is_profile_builder_page() {
		return ( is_admin() && isset( $_GET['page'] ) && Module::instance()->slug === $_GET['page'] );
	}

	/**
	 * Register menu page
	 *
	 * @return void
	 */
	public function register_menu_page() {

		add_submenu_page(
			jet_engine()->admin_page,
			__( 'Profile Builder' ),
			__( 'Profile Builder' ),
			'manage_options',
			Module::instance()->slug,
			array( $this, 'render_menu_page' )
		);

	}

	/**
	 * Retrns pages list to use in select options
	 *
	 * @return [type] [description]
	 */
	public function get_pages_for_options() {
		$pages = get_pages();
		return \Jet_Engine_Tools::prepare_list_for_js( $pages, 'ID', 'post_title' );
	}

	/**
	 * Render menu page
	 *
	 * @return [type] [description]
	 */
	public function render_menu_page() {
		echo '<div id="jet_engine_profile_builder"></div>';
	}

}