/*
Copyright 2024 New Vector Ltd

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

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

import { mkStubRoom, stubClient } from "../../../test-utils";
import RoomProfileSettings from "../../../../src/components/views/room_settings/RoomProfileSettings";
import DMRoomMap from "../../../../src/utils/DMRoomMap";

const BASE64_GIF = "R0lGODlhAQABAAAAACw=";
const AVATAR_FILE = new File([Uint8Array.from(atob(BASE64_GIF), (c) => c.charCodeAt(0))], "avatar.gif", {
    type: "image/gif",
});

const ROOM_ID = "!floob:itty";

describe("RoomProfileSetting", () => {
    let client: MatrixClient;
    let room: Room;

    beforeEach(() => {
        const dmRoomMap = {
            getUserIdForRoomId: jest.fn(),
        } as unknown as DMRoomMap;
        jest.spyOn(DMRoomMap, "shared").mockReturnValue(dmRoomMap);

        client = stubClient();
        room = mkStubRoom(ROOM_ID, "Test room", client);
    });

    it("handles uploading a room avatar", async () => {
        const user = userEvent.setup();
        mocked(client.uploadContent).mockResolvedValue({ content_uri: "mxc://matrix.org/1234" });

        render(<RoomProfileSettings roomId={ROOM_ID} />);

        await user.upload(screen.getByAltText("Upload"), AVATAR_FILE);

        await user.click(screen.getByRole("button", { name: "Save" }));

        await waitFor(() => expect(client.uploadContent).toHaveBeenCalledWith(AVATAR_FILE));
        await waitFor(() =>
            expect(client.sendStateEvent).toHaveBeenCalledWith(
                ROOM_ID,
                EventType.RoomAvatar,
                {
                    url: "mxc://matrix.org/1234",
                },
                "",
            ),
        );
    });

    it("removes a room avatar", async () => {
        const user = userEvent.setup();

        mocked(client).getRoom.mockReturnValue(room);
        mocked(room).currentState.getStateEvents.mockImplementation(
            // @ts-ignore
            (type: string): MatrixEvent[] | MatrixEvent | null => {
                if (type === EventType.RoomAvatar) {
                    // @ts-ignore
                    return { getContent: () => ({ url: "mxc://matrix.org/1234" }) };
                }
                return null;
            },
        );

        render(<RoomProfileSettings roomId="!floob:itty" />);

        await user.click(screen.getByRole("button", { name: "Room avatar" }));
        await user.click(screen.getByRole("menuitem", { name: "Remove" }));
        await user.click(screen.getByRole("button", { name: "Save" }));

        await waitFor(() =>
            expect(client.sendStateEvent).toHaveBeenCalledWith("!floob:itty", EventType.RoomAvatar, {}, ""),
        );
    });

    it("cancels changes", async () => {
        const user = userEvent.setup();

        render(<RoomProfileSettings roomId="!floob:itty" />);

        const roomNameInput = screen.getByLabelText("Room Name");
        expect(roomNameInput).toHaveValue("");

        await user.type(roomNameInput, "My Room");
        expect(roomNameInput).toHaveValue("My Room");

        await user.click(screen.getByRole("button", { name: "Cancel" }));

        expect(roomNameInput).toHaveValue("");
    });
});