<?php
/**
 * Intelligent Starter Templates Loader
 *
 * @since  3.0.0-beta.1
 * @package Astra Sites
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Astra Sites Importer
 */
class Intelligent_Starter_Templates_Loader {

	/**
	 * Member Variable
	 *
	 * @var instance
	 */
	private static $instance;

	/**
	 * Initiator
	 *
	 * @since 3.0.0-beta.1
	 */
	public static function get_instance() {
		if ( ! isset( self::$instance ) ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor.
	 *
	 * @since  3.0.0-beta.1
	 */
	public function __construct() {
		// Starter Content.
		require_once INTELLIGENT_TEMPLATES_DIR . 'classes/class-astra-sites-ai-site-setup.php';

		// Admin Menu.
		add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_action( 'admin_body_class', array( $this, 'admin_body_class' ) );

		// Assets loading.
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

		add_filter( 'admin_init' , array( $this, 'st_brizy_flag_field' )  );
	}

	/**
	 * Add main menu
	 *
	 * @since 3.0.0-beta.1
	 */
	public function admin_menu() {
		$page_title = apply_filters( 'astra_sites_menu_page_title', esc_html__( 'Starter Templates', 'astra-sites' ) );

		add_theme_page( $page_title, $page_title, 'manage_options', 'starter-templates', array( $this, 'menu_callback' ) );
	}

	/**
	 * Menu callback
	 *
	 * @since 3.0.0-beta.1
	 */
	public function menu_callback() {
		$current_slug = isset( $_GET['action'] ) ? esc_attr( $_GET['action'] ) : 'general'; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$active_tab   = str_replace( '_', '-', $current_slug );
		if ( 'site-import' === $current_slug ) {
			Astra_Sites_Page::get_instance()->init_nav_menu( $active_tab );
		} else {
		?>
		<div class="astra-sites-menu-page-wrapper">
			<div id="astra-sites-menu-page">
				<div id="starter-templates-ai-root"></div>
			</div>
		</div>
		<?php
		}
	}

	/**
	 * Admin Body Classes
	 *
	 * @since 3.0.0-beta.1
	 * @param string $classes Space separated class string.
	 */
	public function admin_body_class( $classes = '' ) {
		$onboarding_class = isset( $_GET['page'] ) && 'starter-templates' === $_GET['page'] ? 'intelligent-starter-templates-onboarding' : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$classes .= ' ' . $onboarding_class . ' ';

		return $classes;

	}

	/**
	 * Enqueue scripts in the admin area.
	 *
	 * @param string $hook Current screen hook.
	 *
	 * @return void
	 */
	public function enqueue_scripts( $hook = '' ) {
		if ( 'appearance_page_starter-templates' !== $hook ) {
			return;
		}

		remove_all_actions( 'admin_notices' );

		$data = Astra_Sites::get_instance()->get_local_vars();

		wp_localize_script( 'jquery', 'astraSitesVars', $data );

		$file = INTELLIGENT_TEMPLATES_DIR . 'assets/dist/main.asset.php';
		if ( ! file_exists( $file ) ) {
			return;
		}

		$asset = require_once $file;

		if ( ! isset( $asset ) ) {
			return;
		}

		wp_register_script(
			'starter-templates-onboarding',
			INTELLIGENT_TEMPLATES_URI . 'assets/dist/main.js',
			array_merge( $asset['dependencies'] ),
			$asset['version'],
			true
		);

		wp_localize_script(
			'starter-templates-onboarding', 'wpApiSettings', array(
				'root' => esc_url_raw( get_rest_url() ),
				'nonce' => ( wp_installing() && ! is_multisite() ) ? '' : wp_create_nonce( 'wp_rest' ),
			)
		);

		wp_localize_script( 'starter-templates-onboarding', 'starterTemplates', $this->get_starter_templates_onboarding_localized_array() );

		wp_enqueue_media();
		wp_enqueue_script( 'starter-templates-onboarding' );

		wp_enqueue_style( 'starter-templates-onboarding', INTELLIGENT_TEMPLATES_URI . 'assets/dist/style-main.css', array(), $asset['version'] );
		wp_style_add_data( 'starter-templates-onboarding', 'rtl', 'replace' );

		// Load fonts from Google.
		wp_enqueue_style( 'starter-templates-onboarding-google-fonts', $this->google_fonts_url(), array( 'starter-templates-onboarding' ), 'all' );
	}

	/**
	 * Get localized array for starter templates.
	 *
	 * @return array
	 */
	private function get_starter_templates_onboarding_localized_array() {
		$current_user = wp_get_current_user();

		$site_url = add_query_arg(
			array(
				'preview-nonce' => wp_create_nonce( 'starter-templates-preview' ),
			), site_url( '/' )
		);

		$data = array(
			'imageDir' => INTELLIGENT_TEMPLATES_URI . 'assets/images/',
			'URI' => INTELLIGENT_TEMPLATES_URI,
			'buildDir' => INTELLIGENT_TEMPLATES_URI . 'assets/dist/',
			'previewUrl' => $site_url,
			'adminUrl' => admin_url(),
			'demoId' => 0,
			'skipImport' => false,
			'adminEmail' => $current_user->user_email,
			'themeStatus' => Astra_Sites::get_instance()->get_theme_status(),
			'nonce' => wp_create_nonce( 'astra-sites-set-ai-site-data' ),
			'restNonce' => wp_create_nonce( 'wp_rest' ),
			'retryTimeOut' => 5000, // 10 Seconds.
			'siteUrl' => get_site_url(),
			'searchData' => Astra_Sites::get_instance()->get_api_domain() . 'wp-json/starter-templates/v1/ist-data',
			'firstImportStatus' => get_option( 'astra_sites_import_complete', false ),
			'supportLink' => 'https://wpastra.com/starter-templates-support/?ip=' . Astra_Sites_Helper::get_client_ip(),
			'isBrizyEnabled'=> get_option( 'st-brizy-builder-flag'),
			'analytics' => get_site_option( 'bsf_analytics_optin', false ),
		);

		return apply_filters( 'starter_templates_onboarding_localize_vars', $data );
	}

	/**
	 * Genereate and return the Google fonts url.
	 *
	 * @since 3.0.0-beta.1
	 * @return string
	 */
	public function google_fonts_url() {

		$fonts_url = '';
		$font_families = array(
			'Inter:400,500,600',
		);

		$query_args = array(
			'family' => rawurlencode( implode( '|', $font_families ) ),
			'subset' => rawurlencode( 'latin,latin-ext' ),
		);

		$fonts_url = add_query_arg( $query_args, '//fonts.googleapis.com/css' );

		return $fonts_url;
	}

	/**
	 * Register Enable Brizy templates flag.
	 *
	 * @return void
	 */
	public function st_brizy_flag_field() {
		register_setting( 'general', 'st-brizy-builder-flag', 'esc_attr' );
		add_settings_field('st-brizy-builder-flag', '<label for="st-brizy-builder-flag">'. 'Starter Templates' . '</label>' , array($this, 'st_brizy_flag') , 'general' );
	}

	/**
	 * Enable Brizy templates flag markup.
	 *
	 * @return void
	 */
	public function st_brizy_flag() {
		$value = get_option( 'st-brizy-builder-flag');
		ob_start();
		?>
			<label>
				<input id='st-brizy-builder-flag' type='checkbox' name='st-brizy-builder-flag' value='1' <?php checked(1, $value, true); ?>>
				<?php _e('Enable Brizy Page Builder Templates in Starter Templates','astra-sites'); ?>
			</label>
		<?php
		echo ob_get_clean();
	}

}

new Intelligent_Starter_Templates_Loader();
