<?php
/**
 * Activation routine.
 *
 * @package FormPilot
 * @since   1.0.0
 */

declare( strict_types = 1 );

namespace FormPilot\Core;

use FormPilot\Database\Installer;
use FormPilot\Uploads\DirectoryGuard;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Runs once when the plugin is activated.
 *
 * @since 1.0.0
 */
final class Activator {

	/**
	 * Option storing the installed plugin version.
	 */
	public const VERSION_OPTION = 'formpilot_version';

	/**
	 * Option storing the first activation timestamp.
	 */
	public const INSTALLED_OPTION = 'formpilot_installed_at';

	/**
	 * Handles plugin activation.
	 *
	 * @param bool $network_wide Whether the plugin is activated network wide.
	 */
	public static function activate( bool $network_wide = false ): void {
		/*
		 * No capability check: WordPress only fires this from a path that has
		 * already authorised the caller, and under WP-CLI or a deploy script there
		 * is no current user at all - the check made `wp plugin activate` silently do
		 * nothing.
		 */

		if ( $network_wide && is_multisite() ) {
			foreach ( get_sites(
				array(
					'fields' => 'ids',
					'number' => 0,
				)
			) as $site_id ) {
				switch_to_blog( (int) $site_id );
				self::activate_site();
				restore_current_blog();
			}

			return;
		}

		self::activate_site();
	}

	/**
	 * Performs the activation tasks for the current site.
	 */
	private static function activate_site(): void {
		if ( ! get_option( self::INSTALLED_OPTION ) ) {
			add_option( self::INSTALLED_OPTION, time() );
		}

		/*
		 * Called directly rather than through a hook: `plugins_loaded` has already
		 * fired by the time an activation hook runs, so no plugin module has been
		 * able to attach a listener yet.
		 */
		Installer::install();

		DirectoryGuard::ensure();

		update_option( self::VERSION_OPTION, FORMPILOT_VERSION );

		/**
		 * Fires while the plugin is being activated on a single site, after the
		 * tables have been created.
		 *
		 * Default settings and seed data hook in here.
		 *
		 * @since 1.0.0
		 */
		do_action( 'formpilot_activate' );

		flush_rewrite_rules();
	}
}