/*
 * Copyright 2024 New Vector Ltd.
 *
 * 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 { render, screen } from "jest-matrix-react";
import { MatrixClient } from "matrix-js-sdk/src/matrix";
import { waitFor } from "@testing-library/dom";
import userEvent from "@testing-library/user-event";
import { mocked } from "jest-mock";

import {
    EncryptionUserSettingsTab,
    State,
} from "../../../../../../../src/components/views/settings/tabs/user/EncryptionUserSettingsTab";
import { createTestClient, withClientContextRenderOptions } from "../../../../../../test-utils";
import Modal from "../../../../../../../src/Modal";
import { accessSecretStorage } from "../../../../../../../src/SecurityManager";

jest.mock("../../../../../../../src/SecurityManager", () => ({
    accessSecretStorage: jest.fn(),
}));

describe("<EncryptionUserSettingsTab />", () => {
    let matrixClient: MatrixClient;

    beforeEach(() => {
        matrixClient = createTestClient();
        jest.spyOn(matrixClient.getCrypto()!, "isCrossSigningReady").mockResolvedValue(true);
        // Recovery key is available
        jest.spyOn(matrixClient.secretStorage, "getDefaultKeyId").mockResolvedValue("default key");
        // Secrets are cached
        jest.spyOn(matrixClient.getCrypto()!, "getCrossSigningStatus").mockResolvedValue({
            privateKeysInSecretStorage: true,
            publicKeysOnDevice: true,
            privateKeysCachedLocally: {
                masterKey: true,
                selfSigningKey: true,
                userSigningKey: true,
            },
        });

        mocked(accessSecretStorage).mockClear().mockResolvedValue();
    });

    function renderComponent(props: { initialState?: State } = {}) {
        return render(<EncryptionUserSettingsTab {...props} />, withClientContextRenderOptions(matrixClient));
    }

    it("should display a loading state when the encryption state is computed", () => {
        jest.spyOn(matrixClient.getCrypto()!, "isCrossSigningReady").mockImplementation(() => new Promise(() => {}));

        renderComponent();
        expect(screen.getByLabelText("Loading…")).toBeInTheDocument();
    });

    it("should display a verify button when the encryption is not set up", async () => {
        const user = userEvent.setup();
        jest.spyOn(matrixClient.getCrypto()!, "isCrossSigningReady").mockResolvedValue(false);

        const { asFragment } = renderComponent();
        await waitFor(() =>
            expect(
                screen.getByText("You need to verify this device in order to view your encryption settings."),
            ).toBeInTheDocument(),
        );
        expect(asFragment()).toMatchSnapshot();

        const spy = jest.spyOn(Modal, "createDialog").mockReturnValue({} as any);
        await user.click(screen.getByText("Verify this device"));
        expect(spy).toHaveBeenCalled();
    });

    it("should display the recovery panel when the encryption is set up", async () => {
        renderComponent();
        await waitFor(() => expect(screen.getByText("Recovery")).toBeInTheDocument());
    });

    it("should ask to enter the recovery key when secrets are not cached", async () => {
        // Secrets are not cached
        jest.spyOn(matrixClient.getCrypto()!, "getCrossSigningStatus").mockResolvedValue({
            privateKeysInSecretStorage: true,
            publicKeysOnDevice: true,
            privateKeysCachedLocally: {
                masterKey: false,
                selfSigningKey: true,
                userSigningKey: true,
            },
        });

        const user = userEvent.setup();
        const { asFragment } = renderComponent();

        await waitFor(() => screen.getByRole("button", { name: "Enter recovery key" }));
        expect(asFragment()).toMatchSnapshot();

        await user.click(screen.getByRole("button", { name: "Enter recovery key" }));
        expect(accessSecretStorage).toHaveBeenCalled();
    });

    it("should display the change recovery key panel when the user clicks on the change recovery button", async () => {
        const user = userEvent.setup();

        const { asFragment } = renderComponent();
        await waitFor(() => {
            const button = screen.getByRole("button", { name: "Change recovery key" });
            expect(button).toBeInTheDocument();
            user.click(button);
        });
        await waitFor(() => expect(screen.getByText("Change recovery key")).toBeInTheDocument());
        expect(asFragment()).toMatchSnapshot();
    });

    it("should display the set up recovery key when the user clicks on the set up recovery key button", async () => {
        jest.spyOn(matrixClient.secretStorage, "getDefaultKeyId").mockResolvedValue(null);
        const user = userEvent.setup();

        const { asFragment } = renderComponent();
        await waitFor(() => {
            const button = screen.getByRole("button", { name: "Set up recovery" });
            expect(button).toBeInTheDocument();
            user.click(button);
        });
        await waitFor(() => expect(screen.getByText("Set up recovery")).toBeInTheDocument());
        expect(asFragment()).toMatchSnapshot();
    });

    it("should display the reset identity panel when the user clicks on the reset cryptographic identity panel", async () => {
        const user = userEvent.setup();

        const { asFragment } = renderComponent();
        await waitFor(() => {
            const button = screen.getByRole("button", { name: "Reset cryptographic identity" });
            expect(button).toBeInTheDocument();
            user.click(button);
        });
        await waitFor(() =>
            expect(screen.getByText("Are you sure you want to reset your identity?")).toBeInTheDocument(),
        );
        expect(asFragment()).toMatchSnapshot();
    });

    it("should enter reset flow when showResetIdentity is set", () => {
        renderComponent({ initialState: "reset_identity_forgot" });

        expect(
            screen.getByRole("heading", { name: "Forgot your recovery key? You’ll need to reset your identity." }),
        ).toBeVisible();
    });
});