class LinePay extends Module
{
    /**
     * Guzzle client for LINE Pay API requests
     *
     * @var Api\Client
     */
    public $api;

    /**
     * Routes object
     *
     * @var Routes\Routes
     */
    public $routes;

    /**
     * Client-facing error store
     *
     * @var Errors\ClientErrorStore
     */
    public $clientErrorStore;

    /**
     * Admin-facing error store
     *
     * @var Error\AdminErrorStore
     */
    public $adminErrorStore;

    /**
     * Constructs settlement module
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @inheritDoc
     */
    public function __construct() {
        $cptmc = new CptmClient(
            'ALP001',
            WCEX_LINEPAY_VERSION,
            WCEX_LINEPAY_PLUGIN_FILE,
            'https://api.aivec.co.jp/cptmp/v1/getProvidersList/ALP001'
        );
        $cptmc->init();
        parent::__construct(
            Config\Constants::PAYMENT_NAME,
            Config\Constants::ACTING,
            Config\Constants::ACTING_FLAG,
            [
                'shipped' => ['once'],
                'data' => ['once'],
                'service' => ['once'],
            ],
            Config\Constants::ALLOWED_CURRENCIES,
            false,
            $cptmc,
            true
        );
    }

    /**
     * Initializes LINE Pay
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @return void
     * @throws InvalidArgumentException Thrown by `getActingOpts`.
     */
    public function init() {
        $this->clientErrorStore = new Errors\ClientErrorStore($this);
        $this->adminErrorStore = new Errors\AdminErrorStore($this);
        $this->clientErrorStore->populate();
        $this->adminErrorStore->populate();
        $opts = $this->getActingOpts();
        $this->api = new Api\Client(
            $this,
            $opts['sandbox'] === true ? Config\Constants::SANDBOX_API : Config\Constants::LIVE_API,
            $opts['channel_id'],
            $opts['channel_secret_key']
        );

        $ready = $this->ready();
        add_action('init', function () use ($ready) {
            if ($ready === true) {
                $this->routes = new Routes\Routes($this);
                $this->routes->dispatcher->listen();
            }
        }, 11);

        (new DeliveryPage($this))->init();
        (new Views\ConfirmPage\ConfirmPage($this))->init()->addHooks();

        if (is_admin()) {
            // create settlement module settings page
            (new Admin\SettlementSettings($this))->init();
            if ($ready === true) {
                (new Admin\Views\OrderEditPage\OrderEditPage($this))->addHooks();
                (new Admin\Views\OrderListPage($this))->init()->addHooks();
            }
        }

        usces_register_action(
            'wcexalpCompletePurchase',
            'get',
            'wcexalpCompletePurchase',
            null,
            function () {
                $confirm = new Api\Confirm($this);
                $confirm->init()->addHooks();
                $confirm->middleware($_GET); // route guards
                $confirm->fulfillOrder($_GET);
            }
        );
    }

    /**
     * Returns confirm redirect URL
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @return string
     */
    public static function getConfirmRedirectUrl() {
        $url = add_query_arg(['wcexalpCompletePurchase' => 1], USCES_CART_URL);

        return $url;
    }

    /**
     * Filter default acting options with Module specific opts
     *
     * @inheritDoc
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param array $opts
     * @return array
     */
    public function filterActingOpts($opts) {
        $opts['channel_id'] = isset($opts['channel_id']) ? $opts['channel_id'] : '';
        $opts['channel_secret_key'] = isset($opts['channel_secret_key']) ? $opts['channel_secret_key'] : '';

        $linepay_locale = 'en';
        $locale = get_locale();
        switch ($locale) {
            case 'ja':
                $linepay_locale = 'ja';
                break;
            case 'th':
                $linepay_locale = 'th';
                break;
            case 'ko_KR':
                $linepay_locale = 'ko';
                break;
            case 'zh_CN':
            case 'zh_HK':
            case 'zh_SG':
                $linepay_locale = 'zh_CN';
                break;
            case 'zh_TW':
                $linepay_locale = 'zh_TW';
                break;
        }

        $opts['allowed_locales'] = ['ja', 'ko', 'en', 'zh_CN', 'zh_TW', 'th'];
        $opts['locale'] = $linepay_locale;
        $opts['allowed_currencies'] = Config\Constants::ALLOWED_CURRENCIES;

        return $opts;
    }

    /**
     * Variables to be injected into any LINE Pay script
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @return array
     */
    public function getScriptInjectionVars() {
        return array_merge(
            $this->routes->getScriptInjectionVariables(),
            $this->clientErrorStore->getScriptInjectionVariables(),
            ['reactDomNode' => Config\Constants::REACT_DOM_NODE]
        );
    }
}