<?php
/**
 * Plugin bootstrap.
 *
 * @package A11yMate
 */

namespace A11yMate;

defined( 'ABSPATH' ) || exit;

/**
 * Wires every module into WordPress.
 */
class Plugin {

	/**
	 * Singleton.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Get the instance.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Boot all modules.
	 *
	 * @return void
	 */
	public function boot() {
		Schema::maybe_upgrade();

		( new Rest\Controller() )->register();
		( new Features\SafeFixes() )->register();
		( new Editor\Assistant() )->register();

		// The browser pass loads pages in a hidden frame; keep the admin bar out of them.
		add_filter(
			'show_admin_bar',
			static function ( $show ) {
				if ( isset( $_GET['a11ymate_scan'] ) && current_user_can( Settings::capability() ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
					return false;
				}
				return $show;
			}
		);

		if ( is_admin() ) {
			( new Admin\Admin() )->register();
		}

		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			\WP_CLI::add_command( 'a11ymate', Cli\Command::class );
		}
	}

	/**
	 * Activation.
	 *
	 * @return void
	 */
	public static function activate() {
		Schema::install();
		if ( false === get_option( Settings::OPTION, false ) ) {
			add_option( Settings::OPTION, Settings::defaults(), '', false );
		}
		set_transient( 'a11ymate_activated', 1, 60 );
	}

	/**
	 * Deactivation: stop scheduled work, keep data.
	 *
	 * @return void
	 */
	public static function deactivate() {
	}
}