/*
Copyright 2024 New Vector Ltd.
Copyright 2022, 2023 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 { MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
import { act, render, RenderResult, screen } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { mocked } from "jest-mock";

import {
    VoiceBroadcastInfoState,
    VoiceBroadcastLiveness,
    VoiceBroadcastPlayback,
    VoiceBroadcastPlaybackBody,
    VoiceBroadcastPlaybackEvent,
    VoiceBroadcastPlaybackState,
} from "../../../../src/voice-broadcast";
import { filterConsole, stubClient } from "../../../test-utils";
import { mkVoiceBroadcastInfoStateEvent } from "../../utils/test-utils";
import dis from "../../../../src/dispatcher/dispatcher";
import { Action } from "../../../../src/dispatcher/actions";
import { SdkContextClass } from "../../../../src/contexts/SDKContext";

jest.mock("../../../../src/dispatcher/dispatcher");

// mock RoomAvatar, because it is doing too much fancy stuff
jest.mock("../../../../src/components/views/avatars/RoomAvatar", () => ({
    __esModule: true,
    default: jest.fn().mockImplementation(({ room }) => {
        return <div data-testid="room-avatar">room avatar: {room.name}</div>;
    }),
}));

describe("VoiceBroadcastPlaybackBody", () => {
    const userId = "@user:example.com";
    const roomId = "!room:example.com";
    const duration = 23 * 60 + 42; // 23:42
    let client: MatrixClient;
    let infoEvent: MatrixEvent;
    let playback: VoiceBroadcastPlayback;
    let renderResult: RenderResult;

    filterConsole(
        // expected for some tests
        "voice broadcast chunk event to skip to not found",
    );

    beforeAll(() => {
        client = stubClient();
        mocked(client.relations).mockClear();
        mocked(client.relations).mockResolvedValue({ events: [] });

        infoEvent = mkVoiceBroadcastInfoStateEvent(
            roomId,
            VoiceBroadcastInfoState.Stopped,
            userId,
            client.getDeviceId(),
        );
    });

    beforeEach(() => {
        playback = new VoiceBroadcastPlayback(
            infoEvent,
            client,
            SdkContextClass.instance.voiceBroadcastRecordingsStore,
        );
        jest.spyOn(playback, "toggle").mockImplementation(() => Promise.resolve());
        jest.spyOn(playback, "getLiveness");
        jest.spyOn(playback, "getState");
        jest.spyOn(playback, "skipTo");
        jest.spyOn(playback, "durationSeconds", "get").mockReturnValue(duration);
    });

    describe("when rendering a buffering voice broadcast", () => {
        beforeEach(() => {
            mocked(playback.getState).mockReturnValue(VoiceBroadcastPlaybackState.Buffering);
            mocked(playback.getLiveness).mockReturnValue("live");
            renderResult = render(<VoiceBroadcastPlaybackBody playback={playback} />);
        });

        it("should render as expected", () => {
            expect(renderResult.container).toMatchSnapshot();
        });
    });

    describe("when rendering a playing broadcast", () => {
        beforeEach(() => {
            mocked(playback.getState).mockReturnValue(VoiceBroadcastPlaybackState.Playing);
            mocked(playback.getLiveness).mockReturnValue("not-live");
            renderResult = render(<VoiceBroadcastPlaybackBody playback={playback} />);
        });

        it("should render as expected", () => {
            expect(renderResult.container).toMatchSnapshot();
        });

        describe("and being in the middle of the playback", () => {
            beforeEach(() => {
                act(() => {
                    playback.emit(VoiceBroadcastPlaybackEvent.TimesChanged, {
                        duration,
                        position: 10 * 60,
                        timeLeft: duration - 10 * 60,
                    });
                });
            });

            describe("and clicking 30s backward", () => {
                beforeEach(async () => {
                    await act(async () => {
                        await userEvent.click(screen.getByLabelText("30s backward"));
                    });
                });

                it("should seek 30s backward", () => {
                    expect(playback.skipTo).toHaveBeenCalledWith(9 * 60 + 30);
                });
            });

            describe("and clicking 30s forward", () => {
                beforeEach(async () => {
                    await act(async () => {
                        await userEvent.click(screen.getByLabelText("30s forward"));
                    });
                });

                it("should seek 30s forward", () => {
                    expect(playback.skipTo).toHaveBeenCalledWith(10 * 60 + 30);
                });
            });
        });

        describe("and clicking the room name", () => {
            beforeEach(async () => {
                await userEvent.click(screen.getByText("My room"));
            });

            it("should not view the room", () => {
                expect(dis.dispatch).not.toHaveBeenCalled();
            });
        });
    });

    describe("when rendering a playing broadcast in pip mode", () => {
        beforeEach(() => {
            mocked(playback.getState).mockReturnValue(VoiceBroadcastPlaybackState.Playing);
            mocked(playback.getLiveness).mockReturnValue("not-live");
            renderResult = render(<VoiceBroadcastPlaybackBody pip={true} playback={playback} />);
        });

        it("should render as expected", () => {
            expect(renderResult.container).toMatchSnapshot();
        });

        describe("and clicking the room name", () => {
            beforeEach(async () => {
                await userEvent.click(screen.getByText("My room"));
            });

            it("should view the room", () => {
                expect(dis.dispatch).toHaveBeenCalledWith({
                    action: Action.ViewRoom,
                    room_id: roomId,
                    metricsTrigger: undefined,
                });
            });
        });
    });

    describe(`when rendering a stopped broadcast`, () => {
        beforeEach(() => {
            mocked(playback.getState).mockReturnValue(VoiceBroadcastPlaybackState.Stopped);
            mocked(playback.getLiveness).mockReturnValue("not-live");
            renderResult = render(<VoiceBroadcastPlaybackBody playback={playback} />);
        });

        it("should render as expected", () => {
            expect(renderResult.container).toMatchSnapshot();
        });

        describe("and clicking the play button", () => {
            beforeEach(async () => {
                await userEvent.click(renderResult.getByLabelText("play voice broadcast"));
            });

            it("should toggle the recording", () => {
                expect(playback.toggle).toHaveBeenCalled();
            });
        });

        describe("and the times update", () => {
            beforeEach(() => {
                act(() => {
                    playback.emit(VoiceBroadcastPlaybackEvent.TimesChanged, {
                        duration,
                        position: 5 * 60 + 13,
                        timeLeft: 7 * 60 + 5,
                    });
                });
            });

            it("should render the times", async () => {
                expect(await screen.findByText("05:13")).toBeInTheDocument();
                expect(await screen.findByText("-07:05")).toBeInTheDocument();
            });
        });
    });

    describe("when rendering an error broadcast", () => {
        beforeEach(() => {
            mocked(playback.getState).mockReturnValue(VoiceBroadcastPlaybackState.Error);
            renderResult = render(<VoiceBroadcastPlaybackBody playback={playback} />);
        });

        it("should render as expected", () => {
            expect(renderResult.container).toMatchSnapshot();
        });
    });

    describe.each([
        [VoiceBroadcastPlaybackState.Paused, "not-live"],
        [VoiceBroadcastPlaybackState.Playing, "live"],
    ] satisfies [VoiceBroadcastPlaybackState, VoiceBroadcastLiveness][])(
        "when rendering a %s/%s broadcast",
        (state: VoiceBroadcastPlaybackState, liveness: VoiceBroadcastLiveness) => {
            beforeEach(() => {
                mocked(playback.getState).mockReturnValue(state);
                mocked(playback.getLiveness).mockReturnValue(liveness);
                renderResult = render(<VoiceBroadcastPlaybackBody playback={playback} />);
            });

            it("should render as expected", () => {
                expect(renderResult.container).toMatchSnapshot();
            });
        },
    );

    it("when there is a broadcast without sender, it should raise an error", () => {
        infoEvent.sender = null;
        expect(() => {
            render(<VoiceBroadcastPlaybackBody playback={playback} />);
        }).toThrow(`Voice Broadcast sender not found (event ${playback.infoEvent.getId()})`);
    });
});