/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

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

// @vitest-environment happy-dom

import { vi, describe, it, expect, afterAll, beforeEach } from "vitest";
import fetchMock from "@fetch-mock/vitest";
import { emitPromise } from "test-utils/utilities";
import "vitest-canvas-mock";

import { UpdateCheckStatus } from "../../BasePlatform";
import { MatrixClientPeg } from "../../MatrixClientPeg";
import WebPlatform from "./WebPlatform";
import ToastStore from "../../stores/ToastStore.ts";
import defaultDispatcher from "../../dispatcher/dispatcher.ts";
import { Action } from "../../dispatcher/actions.ts";

describe("WebPlatform", () => {
    beforeEach(() => {
        vi.spyOn(global, "navigator", "get").mockReturnValue({
            ...navigator,
            // @ts-expect-error - mocking readonly object
            serviceWorker: {
                register: vi.fn().mockResolvedValue({
                    update: vi.fn(),
                }),
                addEventListener: vi.fn(),
            },
        });
    });

    it("returns human readable name", () => {
        const platform = new WebPlatform();
        expect(platform.getHumanReadableName()).toEqual("Web Platform");
    });

    describe("service worker", () => {
        it("registers successfully", () => {
            new WebPlatform();
            expect(navigator.serviceWorker.register).toHaveBeenCalled();
        });

        it("handles errors", async () => {
            vi.spyOn(global, "navigator", "get").mockReturnValue({
                serviceWorker: {
                    // @ts-expect-error - mocking readonly object
                    register: undefined,
                },
            });
            new WebPlatform();

            defaultDispatcher.dispatch({ action: Action.ClientStarted });
            await emitPromise(ToastStore.sharedInstance(), "update");
            const toasts = ToastStore.sharedInstance().getToasts();
            expect(toasts).toHaveLength(1);
            expect(toasts[0].title).toEqual("Failed to load service worker");
        });
    });

    it("should call reload on window location object", () => {
        Object.defineProperty(window, "location", { value: { reload: vi.fn() }, writable: true });

        const platform = new WebPlatform();
        expect(window.location.reload).not.toHaveBeenCalled();
        platform.reload();
        expect(window.location.reload).toHaveBeenCalled();
    });

    it("should call reload to install update", () => {
        Object.defineProperty(window, "location", { value: { reload: vi.fn() }, writable: true });

        const platform = new WebPlatform();
        expect(window.location.reload).not.toHaveBeenCalled();
        platform.installUpdate();
        expect(window.location.reload).toHaveBeenCalled();
    });

    describe("getDefaultDeviceDisplayName", () => {
        it.each([
            [
                "https://develop.element.io/#/room/!foo:bar",
                "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) " +
                    "Chrome/105.0.0.0 Safari/537.36",
                "develop.element.io: Chrome on macOS",
            ],
        ])("%s & %s = %s", (url, userAgent, result) => {
            vi.spyOn(global, "navigator", "get").mockReturnValue({ userAgent } as Navigator);
            Object.defineProperty(window, "location", { value: { href: url }, writable: true });
            const platform = new WebPlatform();
            expect(platform.getDefaultDeviceDisplayName()).toEqual(result);
        });
    });

    describe("notification support", () => {
        const mockNotification = {
            requestPermission: vi.fn(),
            permission: "notGranted",
        };
        beforeEach(() => {
            // @ts-ignore
            window.Notification = mockNotification;
            mockNotification.permission = "notGranted";
        });

        it("supportsNotifications returns false when platform does not support notifications", () => {
            // @ts-ignore
            window.Notification = undefined;
            expect(new WebPlatform().supportsNotifications()).toBe(false);
        });

        it("supportsNotifications returns true when platform supports notifications", () => {
            expect(new WebPlatform().supportsNotifications()).toBe(true);
        });

        it("maySendNotifications returns true when notification permissions are not granted", () => {
            expect(new WebPlatform().maySendNotifications()).toBe(false);
        });

        it("maySendNotifications returns true when notification permissions are granted", () => {
            mockNotification.permission = "granted";
            expect(new WebPlatform().maySendNotifications()).toBe(true);
        });

        it("requests notification permissions and returns result", async () => {
            mockNotification.requestPermission.mockImplementation((callback) => callback("test"));

            const platform = new WebPlatform();
            const result = await platform.requestNotificationPermission();
            expect(result).toEqual("test");
        });
    });

    describe("app version", () => {
        const envVersion = process.env.VERSION;
        const prodVersion = "1.10.13";

        beforeEach(() => {
            vi.spyOn(MatrixClientPeg, "userRegisteredWithinLastHours").mockReturnValue(false);
        });

        afterAll(() => {
            // @ts-ignore
            WebPlatform.VERSION = envVersion;
        });

        it("should return true from canSelfUpdate()", async () => {
            const platform = new WebPlatform();
            const result = await platform.canSelfUpdate();
            expect(result).toBe(true);
        });

        it("getAppVersion returns normalized app version", async () => {
            // @ts-ignore
            WebPlatform.VERSION = prodVersion;
            const platform = new WebPlatform();

            const version = await platform.getAppVersion();
            expect(version).toEqual(prodVersion);

            // @ts-ignore
            WebPlatform.VERSION = `v${prodVersion}`;
            const version2 = await platform.getAppVersion();
            // v prefix removed
            expect(version2).toEqual(prodVersion);

            // @ts-ignore
            WebPlatform.VERSION = `version not like semver`;
            const notSemverVersion = await platform.getAppVersion();
            expect(notSemverVersion).toEqual(`version not like semver`);
        });

        describe("pollForUpdate()", () => {
            it("should return not available and call showNoUpdate when current version matches most recent version", async () => {
                // @ts-ignore
                WebPlatform.VERSION = prodVersion;
                fetchMock.getOnce("end:/version", prodVersion);
                const platform = new WebPlatform();

                const showUpdate = vi.fn();
                const showNoUpdate = vi.fn();
                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);

                expect(result).toEqual({ status: UpdateCheckStatus.NotAvailable });
                expect(showUpdate).not.toHaveBeenCalled();
                expect(showNoUpdate).toHaveBeenCalled();
            });

            it("should strip v prefix from versions before comparing", async () => {
                // @ts-ignore
                WebPlatform.VERSION = prodVersion;
                fetchMock.getOnce("end:/version", `v${prodVersion}`);
                const platform = new WebPlatform();

                const showUpdate = vi.fn();
                const showNoUpdate = vi.fn();
                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);

                // versions only differ by v prefix, no update
                expect(result).toEqual({ status: UpdateCheckStatus.NotAvailable });
                expect(showUpdate).not.toHaveBeenCalled();
                expect(showNoUpdate).toHaveBeenCalled();
            });

            it(
                "should return ready and call showUpdate when current version " + "differs from most recent version",
                async () => {
                    // @ts-ignore
                    WebPlatform.VERSION = "0.0.0"; // old version
                    fetchMock.getOnce("end:/version", prodVersion);
                    const platform = new WebPlatform();

                    const showUpdate = vi.fn();
                    const showNoUpdate = vi.fn();
                    const result = await platform.pollForUpdate(showUpdate, showNoUpdate);

                    expect(result).toEqual({ status: UpdateCheckStatus.Ready });
                    expect(showUpdate).toHaveBeenCalledWith("0.0.0", prodVersion);
                    expect(showNoUpdate).not.toHaveBeenCalled();
                },
            );

            it("should return ready without showing update when user registered in last 24", async () => {
                // @ts-ignore
                WebPlatform.VERSION = "0.0.0"; // old version
                vi.spyOn(MatrixClientPeg, "userRegisteredWithinLastHours").mockReturnValue(true);
                fetchMock.getOnce("end:/version", prodVersion);
                const platform = new WebPlatform();

                const showUpdate = vi.fn();
                const showNoUpdate = vi.fn();
                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);

                expect(result).toEqual({ status: UpdateCheckStatus.Ready });
                expect(showUpdate).not.toHaveBeenCalled();
                expect(showNoUpdate).not.toHaveBeenCalled();
            });

            it("should return error when version check fails", async () => {
                fetchMock.getOnce("end:/version", { throws: "oups" });
                const platform = new WebPlatform();

                const showUpdate = vi.fn();
                const showNoUpdate = vi.fn();
                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);

                expect(result).toEqual({ status: UpdateCheckStatus.Error, detail: "Unknown Error" });
                expect(showUpdate).not.toHaveBeenCalled();
                expect(showNoUpdate).not.toHaveBeenCalled();
            });
        });
    });

    it("should return config from config.json", async () => {
        window.location.hostname = "domain.com";
        fetchMock.get(/config\.json.*/, { brand: "test" });
        const platform = new WebPlatform();
        await expect(platform.getConfig()).resolves.toEqual(expect.objectContaining({ brand: "test" }));
    });

    it("should re-render favicon when setting error status", () => {
        const platform = new WebPlatform();
        const spy = vi.spyOn(platform.favicon, "badge");
        platform.setErrorStatus(true);
        expect(spy).toHaveBeenCalledWith(expect.anything(), { bgColor: "#f00" });
    });

    describe("getOAuthCallbackUrl()", () => {
        it("should not include the 'updated' query param in the redirect URI", () => {
            Object.defineProperty(window, "location", {
                value: {
                    href: "https://element.example.com/?updated=1.12.12",
                    origin: "https://element.example.com",
                    pathname: "/",
                },
                writable: true,
            });
            const platform = new WebPlatform();
            const url = platform.getOAuthCallbackUrl();

            expect(url.searchParams.has("updated")).toBe(false);
            expect(url.searchParams.get("no_universal_links")).toEqual("true");
        });
    });
});
