/*
Copyright 2024 New Vector Ltd.
Copyright 2024 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

import React from "react";
import { act, render, screen } from "jest-matrix-react";
import { MatrixClient } from "matrix-js-sdk/src/matrix";
import { mocked } from "jest-mock";
import userEvent from "@testing-library/user-event";

import DiscoverySettings from "../../../../../src/components/views/settings/discovery/DiscoverySettings";
import { stubClient } from "../../../../test-utils";
import MatrixClientContext from "../../../../../src/contexts/MatrixClientContext";
import { UIFeature } from "../../../../../src/settings/UIFeature";
import SettingsStore from "../../../../../src/settings/SettingsStore";
import defaultDispatcher from "../../../../../src/dispatcher/dispatcher";

const mockGetAccessToken = jest.fn().mockResolvedValue("$$getAccessToken");
jest.mock("../../../../../src/IdentityAuthClient", () =>
    jest.fn().mockImplementation(() => ({
        getAccessToken: mockGetAccessToken,
    })),
);

describe("DiscoverySettings", () => {
    let client: MatrixClient;

    beforeEach(() => {
        client = stubClient();
    });

    afterEach(() => {
        jest.restoreAllMocks();
    });

    const DiscoveryWrapper = (props = {}) => <MatrixClientContext.Provider value={client} {...props} />;

    it("is empty if 3pid features are disabled", async () => {
        jest.spyOn(SettingsStore, "getValue").mockImplementation((key) => {
            if (key === UIFeature.ThirdPartyID) return false;
        });

        const { container } = render(<DiscoverySettings />, { wrapper: DiscoveryWrapper });

        expect(container).toBeEmptyDOMElement();
    });

    it("displays alert if an identity server needs terms accepting", async () => {
        mocked(client).getIdentityServerUrl.mockReturnValue("https://example.com");
        mocked(client).getTerms.mockResolvedValue({
            ["policies"]: { en: "No ball games" },
        });

        render(<DiscoverySettings />, { wrapper: DiscoveryWrapper });

        await expect(await screen.findByText("Let people find you")).toBeInTheDocument();
    });

    it("button to accept terms is disabled if checkbox not checked", async () => {
        mocked(client).getIdentityServerUrl.mockReturnValue("https://example.com");
        mocked(client).getTerms.mockResolvedValue({
            ["policies"]: { en: "No ball games" },
        });

        render(<DiscoverySettings />, { wrapper: DiscoveryWrapper });

        const acceptCheckbox = await screen.findByRole("checkbox", { name: "Accept" });
        const continueButton = screen.getByRole("button", { name: "Continue" });
        expect(acceptCheckbox).toBeInTheDocument();
        expect(continueButton).toHaveAttribute("aria-disabled", "true");

        await userEvent.click(acceptCheckbox);
        expect(continueButton).not.toHaveAttribute("aria-disabled", "true");
    });

    it("updates if ID server is changed", async () => {
        render(<DiscoverySettings />, { wrapper: DiscoveryWrapper });

        mocked(client).getThreePids.mockClear();

        act(() => {
            defaultDispatcher.dispatch(
                {
                    action: "id_server_changed",
                },
                true,
            );
        });

        expect(client.getThreePids).toHaveBeenCalled();
    });
});
