<?php
/**
 * Plugin Name:       CityFee – City Dropdown & Delivery Fees for WooCommerce
 * Description:       Replace the free-text checkout city with a dropdown of the store's cities, per country, in classic checkout and the Checkout block, and charge a delivery fee per city.
 * Version:           1.4.0
 * Author:            Digital Services SARL
 * Author URI:        https://dssarl.com/
 * Text Domain:       cityfee
 * Domain Path:       /languages
 * Requires at least: 6.5
 * Requires PHP:      7.4
 * Requires Plugins:  woocommerce
 * WC requires at least: 8.0
 * WC tested up to:   11.2
 * License:           GPLv2 or later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 *
 * @fs_premium_only /pro/
 *
 * @package CityFee
 */

defined( 'ABSPATH' ) || exit;

define( 'CITYFEE_VERSION', '1.4.0' );
define( 'CITYFEE_DB_VERSION', '4' );
define( 'CITYFEE_FILE', __FILE__ );
define( 'CITYFEE_DIR', plugin_dir_path( __FILE__ ) );
define( 'CITYFEE_URL', plugin_dir_url( __FILE__ ) );

/*
 * Freemius product "CityFee" (store 21725, same store as OrderProof).
 *
 * Created 2026-11-06 (AP-2026-012). Values from Freemius > CityFee > SDK Integration.
 * cityfee_fs() still stays off when the SDK folder is missing (WordPress.org build).
 * The public key is public by design (it ships in every build); never put the secret key here.
 */
if ( ! defined( 'CITYFEE_FS_ID' ) ) {
	define( 'CITYFEE_FS_ID', '44216' );
}
if ( ! defined( 'CITYFEE_FS_PUBLIC_KEY' ) ) {
	define( 'CITYFEE_FS_PUBLIC_KEY', 'pk_dbd7095c09c9ec7356f9f76642556' );
}

/*
 * Freemius (licensing, payments, upgrades). The SDK lives in /freemius/ and is left out
 * of the WordPress.org build (build.ps1), which then runs as the free version with no
 * upsells. The build is premium when the /pro/ folder is present.
 */
if ( ! function_exists( 'cityfee_fs' ) ) {
	/**
	 * Freemius instance, or false when the SDK is not bundled or the product is not configured.
	 *
	 * @return Freemius|false
	 */
	function cityfee_fs() {
		global $cityfee_fs;

		if ( ! isset( $cityfee_fs ) ) {
			$sdk = CITYFEE_DIR . 'freemius/start.php';
			if ( ! file_exists( $sdk ) || '' === CITYFEE_FS_ID || '' === CITYFEE_FS_PUBLIC_KEY ) {
				$cityfee_fs = false;
				return $cityfee_fs;
			}
			require_once $sdk;

			$cityfee_fs = fs_dynamic_init(
				array(
					'id'                  => CITYFEE_FS_ID,
					'slug'                => 'cityfee',
					'premium_slug'        => 'cityfee-premium',
					'type'                => 'plugin',
					'public_key'          => CITYFEE_FS_PUBLIC_KEY,
					'is_premium'          => file_exists( CITYFEE_DIR . 'pro/class-cityfee-pro.php' ),
					'premium_suffix'      => 'Pro',
					'has_addons'          => false,
					'has_paid_plans'      => true,
					'has_premium_version' => true,
					'is_org_compliant'    => true,
					// Trial as proposed by Commercial (AP-2026-013); the plan in the Freemius dashboard is what counts.
					'trial'               => array(
						'days'               => 7,
						'is_require_payment' => false,
					),
					// Freemius attaches its opt-in, Pricing and Account pages to the hidden page admin.php?page=cityfee.
					'menu'                => array(
						'slug'       => 'cityfee',
						'first-path' => 'admin.php?page=wc-settings&tab=shipping&section=cityfee',
						'parent'     => array( 'slug' => 'woocommerce' ),
						'support' => false,
						'contact' => false,
					),
				)
			);
		}

		return $cityfee_fs;
	}

	cityfee_fs();
	do_action( 'cityfee_fs_loaded' );
}

/**
 * True when a valid Pro licence (or trial) is active. Always false without Freemius.
 *
 * @return bool
 */
function cityfee_is_pro() {
	$fs = cityfee_fs();
	return $fs && $fs->can_use_premium_code();
}

/**
 * URL of the upgrade / pricing page, or '' when Freemius is not set up (upsells are then hidden).
 *
 * @return string
 */
function cityfee_upgrade_url() {
	$fs = cityfee_fs();
	return $fs ? (string) $fs->get_upgrade_url() : '';
}

add_action(
	'before_woocommerce_init',
	function () {
		if ( class_exists( \Automattic\WooCommerce\Utilities\FeaturesUtil::class ) ) {
			\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility( 'custom_order_tables', CITYFEE_FILE, true );
			\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility( 'cart_checkout_blocks', CITYFEE_FILE, true );
		}
	}
);

/**
 * Translation file to load for a locale, or '' when there is none.
 *
 * A language pack from translate.wordpress.org (wp-content/languages/plugins) wins over
 * the bundled file of the same locale; the WordPress.org build bundles no .mo, so it uses
 * packs only. Regional locales fall back to the base language: fr_CA, fr_BE, fr_MA... ->
 * fr_FR, and ary (Moroccan Arabic), ar_* -> ar.
 *
 * @param string $locale Locale, for example fr_CA.
 * @return string Absolute path of the .mo file, or ''.
 */
function cityfee_translation_file( $locale ) {
	$locale = (string) $locale;
	if ( '' === $locale || 'en_US' === $locale ) {
		return '';
	}
	$base       = strtok( $locale, '_' );
	$candidates = array_unique(
		array_filter(
			array(
				$locale,
				'fr' === $base ? 'fr_FR' : '',
				'ar' === $base || 'ary' === $base ? 'ar' : '',
			)
		)
	);
	foreach ( $candidates as $candidate ) {
		foreach ( array( WP_LANG_DIR . '/plugins/', CITYFEE_DIR . 'languages/' ) as $dir ) {
			$mo = $dir . 'cityfee-' . $candidate . '.mo';
			if ( is_readable( $mo ) ) {
				return $mo;
			}
		}
	}
	return '';
}

/**
 * Load the CityFee translations for a locale (default: the current one) and return the
 * file loaded, or ''. Runs on init and again when the locale is switched (for example
 * when WooCommerce sends an email in the customer's language).
 *
 * @param string|null $locale Locale; null = determine_locale().
 * @return string
 */
function cityfee_load_translations( $locale = null ) {
	$locale = null === $locale ? determine_locale() : (string) $locale;
	$mo     = cityfee_translation_file( $locale );
	if ( '' === $mo ) {
		return '';
	}
	// Drop what is loaded for the domain (or a just-in-time "nothing found" placeholder), keep it reloadable.
	unload_textdomain( 'cityfee', true );
	return load_textdomain( 'cityfee', $mo, $locale ) ? $mo : '';
}

add_action(
	'init',
	function () {
		cityfee_load_translations();
	},
	1
);
add_action(
	'change_locale',
	function ( $locale ) {
		cityfee_load_translations( $locale );
	}
);

require_once CITYFEE_DIR . 'includes/class-cityfee-install.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-cities.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-import.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-migrate.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-starter.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-checkout.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-admin.php';
require_once CITYFEE_DIR . 'includes/class-cityfee-shipping.php';

register_activation_hook( CITYFEE_FILE, array( 'CityFee_Install', 'install' ) );

/**
 * Remove CityFee data on uninstall: the city and group tables, all cityfee_* options
 * and transients, and the "Delivery by city" methods in the shipping zones. Order and
 * customer addresses are kept. Skipped when the owner ticked
 * "Keep city lists when uninstalling".
 *
 * Registered from the main file (not uninstall.php, which Freemius rejects), the same
 * pattern as OrderProof: Freemius owns the uninstall flow when its SDK is active, so it
 * gets the function through after_uninstall; otherwise WordPress' uninstall hook runs it.
 */
function cityfee_uninstall_cleanup() {
	if ( 'yes' === get_option( 'cityfee_keep_data', 'no' ) ) {
		return;
	}
	CityFee_Install::drop_tables();
	CityFee_Install::delete_options();
	CityFee_Install::delete_shipping_methods();
}

if ( cityfee_fs() ) {
	cityfee_fs()->add_action( 'after_uninstall', 'cityfee_uninstall_cleanup' );
} else {
	register_uninstall_hook( CITYFEE_FILE, 'cityfee_uninstall_cleanup' );
}

add_action(
	'plugins_loaded',
	function () {
		if ( ! class_exists( 'WooCommerce' ) ) {
			return;
		}
		CityFee_Install::maybe_upgrade();
		CityFee_Checkout::init();
		CityFee_Shipping::init();
		if ( is_admin() ) {
			CityFee_Admin::init();
		}
		// Pro features: only in the Freemius build (pro/ present) with a valid licence or trial.
		if ( cityfee_is_pro() && file_exists( CITYFEE_DIR . 'pro/class-cityfee-pro.php' ) ) {
			require_once CITYFEE_DIR . 'pro/class-cityfee-pro.php';
			CityFee_Pro::init();
		}
	}
);