<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 * @package matomo
 */

namespace WpMatomo\Admin;

use WpMatomo\Feature;
use WpMatomo\Settings;

class MarketplaceSetupWizard extends Feature {
	const MARKETPLACE_PLUGIN_FILE   = 'matomo-marketplace-for-wordpress/matomo-marketplace-for-wordpress.php';
	const AJAX_IS_ACTIVE_NONCE_NAME = 'matomo-marketplace-setup-wizard-is-active';
	const AJAX_ACTIVATE_NONCE_NAME  = 'matomo-marketplace-setup-wizard-activate';

	public function is_active() {
		if ( ! is_admin() ) {
			return false;
		}

		if (
			$this->is_plugin_install_page()
			|| $this->is_plugin_activation_request()
		) {
			return true;
		}

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

		if ( Menu::SLUG_GET_STARTED === $_REQUEST['page'] ) {
			return true;
		}

		if ( Menu::SLUG_MARKETPLACE !== $_REQUEST['page'] ) {
			return false;
		}

		return true; // displayed in some manner on all tabs
	}

	public function get_body( $show_titles = true ) {
		return new MarketplaceSetupWizardBody( $show_titles );
	}

	public function show() {
		$matomo_logo_big               = plugins_url( 'assets/img/logo-big.png?v=' . rawurlencode( matomo_get_asset_version() ), MATOMO_ANALYTICS_FILE );
		$marketplace_setup_wizard_body = $this->get_body();

		include __DIR__ . '/views/marketplace_setup_wizard.php';
	}

	public function register_hooks() {
		add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_scripts' ] );
		add_action( 'admin_notices', [ $this, 'admin_notices' ] );
		add_action( 'activated_plugin', [ $this, 'on_plugin_activated' ] );
		add_action( 'admin_footer', [ $this, 'on_admin_footer' ] );
	}

	public function on_plugin_activated( $plugin ) {
		if ( 'matomo-marketplace-for-wordpress/matomo-marketplace-for-wordpress.php' !== $plugin ) {
			return;
		}

		if (
			empty( $_SERVER['HTTP_REFERER'] )
			|| false === strpos( esc_url_raw( wp_unslash( $_SERVER['HTTP_REFERER'] ) ), 'mtm_marketplace_install' )
		) {
			return;
		}

		// if we are in the marketplace install workflow, and the plugin has been
		// activated, close the current window to go back to the marketplace setup
		?>
		<html>
		<head></head>
		<body>
			<script>
				window.close();
			</script>
		</body>
		</html>
		<?php
		wp_die();
	}

	public function admin_notices() {
		if ( ! $this->is_plugin_install_page() ) {
			return;
		}
		?>
		<div class="notice notice-info">
			<p>
				<?php esc_html_e( 'You\'re almost there! Upload the .zip file below to install the Marketplace and start exploring advanced analytics features.', 'matomo' ); ?>
			</p>
		</div>
		<?php
	}

	public function on_admin_footer() {
		if ( ! $this->is_plugin_install_page() ) {
			return;
		}

		// add script to add query param to plugin upload form submit URL
		?>
		<script>
			window.jQuery(document).ready(function ($) {
				var $form = $('.wp-upload-form');
				$form.attr('action', $form.attr('action') + '&mtm_marketplace_install=1');
			});
		</script>
		<?php
	}

	public function enqueue_scripts() {
		wp_enqueue_script(
			'matomo-marketplace-setup-wizard',
			plugins_url( '/assets/js/marketplace_setup_wizard.js', MATOMO_ANALYTICS_FILE ),
			[ 'jquery' ],
			matomo_get_asset_version(),
			true
		);

		wp_localize_script(
			'matomo-marketplace-setup-wizard',
			'mtmMarketplaceWizardAjax',
			[
				'ajax_url'        => admin_url( 'admin-ajax.php' ),
				'is_active_nonce' => wp_create_nonce( self::AJAX_IS_ACTIVE_NONCE_NAME ),
				'activate_nonce'  => wp_create_nonce( self::AJAX_ACTIVATE_NONCE_NAME ),
				'is_welcome_page' => isset( $_REQUEST['page'] )
					// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
					&& Menu::SLUG_MARKETPLACE === wp_unslash( $_REQUEST['page'] )
					&& isset( $_REQUEST['tab'] )
					// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
					&& 'marketplace' === wp_unslash( $_REQUEST['tab'] ),
			]
		);
	}

	public function register_ajax() {
		add_action( 'wp_ajax_matomo_is_marketplace_active', [ self::class, 'is_marketplace_active' ] );
		add_action( 'wp_ajax_matomo_activate_marketplace', [ self::class, 'activate_marketplace_plugin' ] );
	}

	public static function is_marketplace_active() {
		check_ajax_referer( self::AJAX_IS_ACTIVE_NONCE_NAME );

		if ( ! current_user_can( 'activate_plugins' ) ) {
			wp_send_json_error( [ 'message' => 'forbidden' ], 403 );
		}

		wp_send_json(
			[
				'installed' => self::is_marketplace_installed(),
				'active'    => is_plugin_active( self::MARKETPLACE_PLUGIN_FILE ),
			]
		);
	}

	public static function activate_marketplace_plugin() {
		check_ajax_referer( self::AJAX_ACTIVATE_NONCE_NAME );

		if ( ! current_user_can( 'activate_plugins' ) ) {
			wp_send_json_error( [ 'message' => 'forbidden' ], 403 );
		}

		activate_plugin( self::MARKETPLACE_PLUGIN_FILE );
		wp_send_json( [] );
	}

	public static function is_marketplace_installed() {
		return is_file( WP_PLUGIN_DIR . '/' . self::MARKETPLACE_PLUGIN_FILE )
			|| is_file( WP_CONTENT_DIR . '/mu-plugins/' . self::MARKETPLACE_PLUGIN_FILE );
	}

	private function is_plugin_install_page() {
		if ( empty( $_SERVER['REQUEST_URI'] ) ) {
			return false;
		}

		$request_path = wp_parse_url( esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ), PHP_URL_PATH );
		if ( ! preg_match( '%/wp-admin/plugin-install\\.php$%', $request_path ) ) {
			return false;
		}

		if (
			empty( $_REQUEST['tab'] )
			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			|| 'upload' !== wp_unslash( $_REQUEST['tab'] )
			|| empty( $_REQUEST['mtm_marketplace_install'] )
		) {
			return false;
		}

		return true;
	}

	private function is_plugin_activation_request() {
		if ( empty( $_SERVER['REQUEST_URI'] ) ) {
			return false;
		}

		$request_path = wp_parse_url( esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ), PHP_URL_PATH );
		if ( ! preg_match( '%/wp-admin/plugins\\.php$%', $request_path ) ) {
			return false;
		}

		if (
			empty( $_REQUEST['action'] )
			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			|| 'activate' !== wp_unslash( $_REQUEST['action'] )
			|| empty( $_REQUEST['plugin'] )
			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			|| 'matomo-marketplace-for-wordpress/matomo-marketplace-for-wordpress.php' !== wp_unslash( $_REQUEST['plugin'] )
		) {
			return false;
		}

		return true;
	}
}
