import fake from "fake-iamport-server";
import imp from "iamport-server-api";
import { VariadicSingleton } from "tstl/thread/VariadicSingleton";

import { PaymentConfiguration } from "../../PaymentConfiguration";
import { PaymentGlobal } from "../../PaymentGlobal";

export namespace IamportAsset {
    export async function connection(
        storeId: string,
    ): Promise<imp.IConnection> {
        const connector: imp.IamportConnector = await singleton.get(
            PaymentGlobal.mode,
            PaymentGlobal.testing,
            storeId,
        );
        return await connector.get();
    }

    const singleton: VariadicSingleton<
        Promise<imp.IamportConnector>,
        [typeof PaymentGlobal.mode, boolean, string]
    > = new VariadicSingleton(async (_mode, testing, storeId) => {
        if (testing === true)
            return new imp.IamportConnector(
                `http://127.0.0.1:${fake.FakeIamportConfiguration.API_PORT}`,
                {
                    imp_key: "test_imp_key",
                    imp_secret: "test_imp_secret",
                },
            );
        else
            return new imp.IamportConnector(
                "https://api.iamport.kr",
                PaymentConfiguration.IAMPORT_USER_ACCESSOR(storeId),
            );
    });
}