<?php
/**
 * Pixelgrade Assistant install/activate notice class.
 *
 * @link https://wordpress.org/plugins/pixelgrade-assistant/
 *
 * @package Jason Lite
 */

if ( ! class_exists( 'PixelgradeAssistant_Install_Notice' ) ) {
	/**
	 * Class PixelgradeAssistant_Install_Notice
	 */
	class PixelgradeAssistant_Install_Notice {

		/**
		 * The only instance.
		 * @var     PixelgradeAssistant_Install_Notice
		 * @access  protected
		 */
		protected static $_instance = null;

		public function __construct() {
			$this->addHooks();
		}

		public function addHooks() {

			if ( $this->shouldShow() ) {
				add_action( 'admin_notices', array( $this, 'outputMarkup' ) );
				add_action( 'admin_enqueue_scripts', array( $this, 'outputCSS' ) );
				add_action( 'admin_enqueue_scripts', array( $this, 'outputJS' ) );
			}

			add_action( 'wp_ajax_pixassist_install_dismiss_admin_notice', array( $this, 'dismiss_notice' ) );
			add_action( 'switch_theme', array( $this, 'cleanup' ) );
		}

		public function shouldShow() {
			global $pagenow;

			// If Pixelgrade Assistant or Pixelgrade Care is already installed and activated, nothing to do.
			if ( class_exists( 'PixelgradeAssistant' ) || class_exists( 'PixelgradeCare' ) ) {
				return false;
			}

			// We want to show it only on the themes.php page and in the dashboard.
			if ( ! in_array( $pagenow, array( 'themes.php', 'index.php' ) ) ) {
				return false;
			}

			// We also don't want to show it when viewing the TGMPA results or tables.
			if ( ! empty( $_GET['tgmpa-nonce'] ) ) {
				return false;
			}

			$dismissed = get_theme_mod( 'pixassist_install_notice_dismissed', false );
			// Earlier than 7 days, we will not show again.
			if ( ! empty( $dismissed ) && ( time() - absint( $dismissed ) < DAY_IN_SECONDS * 7 ) ) {
				return false;
			}

			if ( current_user_can( 'manage_options' ) ) {
				return true;
			}

			return false;
		}

		public function outputMarkup() {
			/* translators: %s: Pixelgrade Assistant  */
			$button_text = sprintf( esc_html__( 'Yes, install the %s plugin for free', 'jason-lite' ), 'Pixelgrade Assistant' );
			// Pixelgrade Assistant plugin installed, but not activated.
			if ( ! class_exists( 'PixelgradeAssistant' ) && file_exists( WP_PLUGIN_DIR . '/pixelgrade-assistant/pixelgrade-assistant.php' ) ) {
				/* translators: %s: Pixelgrade Assistant  */
				$button_text = sprintf( esc_html__( 'Yes, activate the %s plugin', 'jason-lite' ), 'Pixelgrade Assistant' );
			} ?>
			<div class="notice notice-info pixassist-notice">
				<form class="pixassist-notice-form"
				      action="<?php echo esc_url( admin_url( 'admin-ajax.php?action=pixassist_install_dismiss_admin_notice' ) ); ?>"
				      method="post">
					<noscript><input type="hidden" name="pixassist-notice-no-js" value="1"/></noscript>

					<?php
					$theme      = wp_get_theme( get_template() );
					$screenshot = $theme->get_screenshot();
					if ( $screenshot ) { ?>
						<img class="pixassist-notice__screenshot" src="<?php echo esc_url( $screenshot ); ?>"
						     width="1200" height="900" alt="<?php esc_html_e( 'Theme screenshot', 'jason-lite' ); ?>">
					<?php } ?>
					<div class="pixassist-notice__body">
						<h2><?php
							/* translators: %s: Theme name */
							echo wp_kses( sprintf( __( '%s is active! Are you looking for a better experience to set up your site?', 'jason-lite' ), $theme->get( 'Name' ) ), wp_kses_allowed_html( 'post' ) ); ?></h2>
						<p><?php
							/* translators: %s: Pixelgrade Assistant  */
							echo wp_kses( sprintf( __( 'We\'ve prepared a unique <strong>onboarding process</strong> through our %s plugin. It helps you get started and configure your upcoming website with ease. </strong> Let\'s make it shine!', 'jason-lite' ), 'Pixelgrade Assistant' ), wp_kses_allowed_html( 'post' ) ); ?></p>

						<p class="message js-plugin-message"></p>
						<a class="pixassist-notice-button js-handle-pixassist button button-primary" href="#"><span
								class="pixassist-notice-button__text"><?php echo $button_text; // phpcs:ignore ?></span></a>
						<button type="submit" class="button dismiss"><span
								class="screen-reader-text"><?php esc_html_e( 'Dismiss this notice.', 'jason-lite' ); ?></span><?php esc_html_e( 'No thanks, I\'ll be fine', 'jason-lite' ); ?>
						</button>
					</div>
					<?php wp_nonce_field( 'pixassist_install_dismiss_admin_notice', 'nonce_dismiss', true ); ?>
				</form>
			</div>
			<?php
		}

		public function outputCSS() {
			wp_register_style( 'pixassist_notice_css', $this->get_parent_theme_file_uri( $this->get_theme_relative_path( __DIR__ ) . 'notice.css' ), false );
			wp_enqueue_style( 'pixassist_notice_css' );
		}

		public function outputJS() {
			wp_enqueue_script( 'plugin-install' );
			wp_enqueue_script( 'updates' );

			wp_register_script( 'pixassist_notice_js', $this->get_parent_theme_file_uri( $this->get_theme_relative_path( __DIR__ ) . 'notice.js' ), array(
				'jquery',
				'wp-util',
				'wp-a11y',
				'updates',
				'plugin-install'
			) );
			wp_enqueue_script( 'pixassist_notice_js' );

			$activate_url = wp_nonce_url(
				add_query_arg(
					array(
						'plugin'         => urlencode( 'pixelgrade-assistant' ),
						'tgmpa-activate' => 'activate-plugin',
					),
					admin_url( 'themes.php?page=install-required-plugins' )
				),
				'tgmpa-activate',
				'tgmpa-nonce'
			);
			// &amp; is not something that wp.ajax can actually handle
			$activate_url = str_replace( 'amp;', '', $activate_url );

			$plugin_status = 'missing';
			// Pixelgrade Assistant plugin installed, but not activated.
			if ( class_exists( 'PixelgradeAssistant' ) ) {
				$plugin_status = 'active';
			} elseif ( file_exists( WP_PLUGIN_DIR . '/pixelgrade-assistant/pixelgrade-assistant.php' ) ) {
				$plugin_status = 'installed';
			}
			wp_localize_script( 'pixassist_notice_js', 'pixassistNotice', array(
				'ajaxurl'           => esc_url_raw( admin_url( 'admin-ajax.php' ) ),
				'slug'              => 'pixelgrade-assistant',
				'activateUrl'       => esc_url_raw( $activate_url ),
				'pixassistSetupUrl' => esc_url_raw( admin_url( 'index.php?page=pixelgrade_assistant-setup-wizard' ) ),
				'status'            => $plugin_status,
				'i18n'              => array(
					/* translators: %s: Pixelgrade Assistant  */
					'btnInstall'                => sprintf( esc_html__( 'Install the %s plugin', 'jason-lite' ), 'Pixelgrade Assistant' ),
					/* translators: %s: Pixelgrade Assistant  */
					'btnInstalling'             => sprintf( esc_html__( 'Installing the %s plugin from WordPress.org…', 'jason-lite' ), 'Pixelgrade Assistant' ),
					/* translators: %s: Pixelgrade Assistant  */
					'btnActivating'             => sprintf( esc_html__( 'Activating the %s plugin…', 'jason-lite' ), 'Pixelgrade Assistant' ),
					'btnGoToSetup'              => esc_html__( 'Ready! Start the Site Setup →', 'jason-lite' ),
					'btnError'                  => esc_html__( 'Please refresh the page 🙏 and try again…', 'jason-lite' ),
					'installedSuccessfully'     => esc_html__( 'The plugin was installed successfully.', 'jason-lite' ),
					'activatedSuccessfully'     => esc_html__( 'The plugin was activated successfully.', 'jason-lite' ),
					/* translators: %s: Pixelgrade Assistant  */
					'clickStartTheSiteSetup'    => sprintf( esc_html__( 'Click to start the onboarding process provided by %s.', 'jason-lite' ), 'Pixelgrade Assistant' ),
					'error'                     => esc_html__( 'We are truly sorry 😢 Something went wrong and we couldn\'t make sense of it and continue with the plugin setup.', 'jason-lite' ),
					// TGMPA strings to look for.
					'tgmpActivatedSuccessfully' => esc_html__( 'The following plugin was activated successfully:', 'jason-lite' ),
					'tgmpPluginActivated'       => esc_html__( 'Plugin activated successfully.', 'jason-lite' ),
					'tgmpPluginAlreadyActive'   => esc_html__( 'No action taken. Plugin was already active.', 'jason-lite' ),
					'tgmpNotAllowed'            => esc_html__( 'Sorry, you are not allowed to access this page.', 'jason-lite' ),
				),
			) );
		}

		/**
		 * Process ajax call to dismiss notice.
		 */
		public function dismiss_notice() {
			// Check nonce.
			check_ajax_referer( 'pixassist_install_dismiss_admin_notice', 'nonce_dismiss' );

			// Remember the dismissal (time).
			set_theme_mod( 'pixassist_install_notice_dismissed', time() );

			// Redirect if this is not an ajax request.
			if ( isset( $_POST['pixassist-notice-no-js'] ) ) {

				// Go back to where we came from.
				wp_safe_redirect( wp_get_referer() );
				exit();
			}

			wp_die();
		}

		public function cleanup() {
			// If the theme is switched, we want to clear the notice dismissal.
			set_theme_mod( 'pixassist_install_notice_dismissed', false );
		}

		/**
		 * Get the relative theme path of a given absolute path. In case the given path is not absolute, it is returned as received.
		 *
		 * @param $path string An absolute path.
		 *
		 * @return string A path relative to the current theme directory, without ./ in front.
		 */
		protected function get_theme_relative_path( $path ) {
			if ( empty( $path ) ) {
				return '';
			}

			$path = wp_normalize_path( $path );

			$path = str_replace( trailingslashit( wp_normalize_path( get_template_directory() ) ), '', $path );

			return trailingslashit( $path );
		}

		/**
		 * Retrieves the URL of a file in the parent theme.
		 *
		 * It will use the new function in WP 4.7, but will fallback to the old way of doing things otherwise.
		 *
		 * @param string $file Optional. File to return the URL for in the template directory.
		 *
		 * @return string The URL of the file.
		 */
		protected function get_parent_theme_file_uri( $file = '' ) {
			if ( function_exists( 'get_parent_theme_file_uri' ) ) {
				return get_parent_theme_file_uri( $file );
			} else {
				$file = ltrim( $file, '/' );

				if ( empty( $file ) ) {
					$url = get_template_directory_uri();
				} else {
					$url = get_template_directory_uri() . '/' . $file;
				}

				/**
				 * Filters the URL to a file in the parent theme.
				 *
				 * @param string $url  The file URL.
				 * @param string $file The requested file to search for.
				 *
				 * @since 4.7.0
				 *
				 */
				return apply_filters( 'parent_theme_file_uri', $url, $file );
			}
		}

		public static function init() {
			return self::instance();
		}

		/**
		 * Main PixelgradeAssistant_Install_Notice Instance
		 *
		 * Ensures only one instance of PixelgradeAssistant_Install_Notice is loaded or can be loaded.
		 *
		 * @static
		 *
		 * @return PixelgradeAssistant_Install_Notice Main PixelgradeAssistant_Install_Notice instance
		 */
		public static function instance() {
			if ( is_null( self::$_instance ) ) {
				self::$_instance = new self();
			}

			return self::$_instance;
		}

		/**
		 * Cloning is forbidden.
		 */
		public function __clone() {
			_doing_it_wrong( __FUNCTION__, esc_html__( 'You should not do that!', 'jason-lite' ), null );
		}

		/**
		 * Unserializing instances of this class is forbidden.
		 */
		public function __wakeup() {
			_doing_it_wrong( __FUNCTION__, esc_html__( 'You should not do that!', 'jason-lite' ), null );
		}
	}
}
