/*
 This file is part of GNU Taler
 (C) 2022 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
 *
 * @author Sebastian Javier Marchano (sebasjm)
 */

import {
  Amounts,
  ExchangeEntryStatus,
  ExchangeListItem,
  ExchangeTosStatus,
  ExchangeUpdateStatus,
  ScopeType,
} from "@gnu-taler/taler-util";
import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
import * as tests from "@gnu-taler/web-util/testing";
import { expect } from "chai";
import { nullFunction } from "../../mui/handlers.js";
import { createWalletApiMock } from "../../test-utils.js";
import { useComponentState } from "./state.js";

const exchangeArs: ExchangeListItem = {
  currency: "ARS",
  exchangeBaseUrl: "http://",
  masterPub: "123qwe123",
  scopeInfo: {
    currency: "ARS",
    type: ScopeType.Exchange,
    url: "http://",
  },
  tosStatus: ExchangeTosStatus.Accepted,
  exchangeEntryStatus: ExchangeEntryStatus.Used,
  exchangeUpdateStatus: ExchangeUpdateStatus.Initial,
  paytoUris: [],
  ageRestrictionOptions: [],
  lastUpdateTimestamp: undefined,
  noFees: false,
  peerPaymentsDisabled: false,
};

describe("Destination selection states", () => {
  it("should select currency if no amount specified", async () => {
    const { handler, TestingContext } = createWalletApiMock();

    handler.addWalletCallResponse(
      WalletApiOperation.ListExchanges,
      {},
      {
        exchanges: [exchangeArs],
      },
    );

    const props = {
      type: "get" as const,
      goToWalletManualWithdraw: nullFunction,
      goToWalletWalletInvoice: nullFunction,
    };

    const hookBehavior = await tests.hookBehaveLikeThis(
      useComponentState,
      props,
      [
        ({ status }) => {
          expect(status).equal("loading");
        },
        (state) => {
          if (state.status !== "select-currency") expect.fail();
          if (state.error) expect.fail();
          expect(state.currencies).deep.eq({
            ARS: "ARS",
            "": "Select a currency",
          });

          state.onCurrencySelected(exchangeArs.currency!);
        },
        (state) => {
          if (state.status !== "ready") expect.fail();
          if (state.error) expect.fail();
          expect(state.goToBank.onClick).eq(undefined);
          expect(state.goToWallet.onClick).eq(undefined);

          expect(state.amountHandler.value).deep.eq(
            Amounts.parseOrThrow("ARS:0"),
          );
        },
      ],
      TestingContext,
    );

    expect(hookBehavior).deep.equal({ result: "ok" });
    expect(handler.getCallingQueueState()).eq("empty");
  });

  it("should be possible to start with an amount specified in request params", async () => {
    const { handler, TestingContext } = createWalletApiMock();

    const props = {
      type: "get" as const,
      goToWalletManualWithdraw: nullFunction,
      goToWalletWalletInvoice: nullFunction,
      amount: "ARS:2",
    };

    const hookBehavior = await tests.hookBehaveLikeThis(
      useComponentState,
      props,
      [
        // ({ status }) => {
        //   expect(status).equal("loading");
        // },
        (state) => {
          if (state.status !== "ready") expect.fail();
          if (state.error) expect.fail();
          expect(state.goToBank.onClick).not.eq(undefined);
          expect(state.goToWallet.onClick).not.eq(undefined);

          expect(state.amountHandler.value).deep.eq(
            Amounts.parseOrThrow("ARS:2"),
          );
        },
        (state) => {
          if (state.status !== "ready") expect.fail();
          if (state.error) expect.fail();
          expect(state.goToBank.onClick).not.eq(undefined);
          expect(state.goToWallet.onClick).not.eq(undefined);

          expect(state.amountHandler.value).deep.eq(
            Amounts.parseOrThrow("ARS:2"),
          );
        },
      ],
      TestingContext,
    );

    expect(hookBehavior).deep.equal({ result: "ok" });
    expect(handler.getCallingQueueState()).eq("empty");
  });
});