/*
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
Please see LICENSE files in the repository root for full details.
*/

import { Feature, ServerSupport } from "matrix-js-sdk/src/feature";
import { MatrixClient, MatrixEvent, RelationType } from "matrix-js-sdk/src/matrix";
import { screen } from "@testing-library/react";
import userEvent from "@testing-library/user-event";

import { flushPromises, mkEvent, stubClient } from "../../../test-utils";
import { mkVoiceBroadcastInfoStateEvent } from "../../../voice-broadcast/utils/test-utils";
import { VoiceBroadcastInfoState } from "../../../../src/voice-broadcast";
import { createRedactEventDialog } from "../../../../src/components/views/dialogs/ConfirmRedactDialog";

describe("ConfirmRedactDialog", () => {
    const roomId = "!room:example.com";
    let client: MatrixClient;
    let mxEvent: MatrixEvent;

    const setUpVoiceBroadcastStartedEvent = () => {
        mxEvent = mkVoiceBroadcastInfoStateEvent(
            roomId,
            VoiceBroadcastInfoState.Started,
            client.getUserId()!,
            client.deviceId!,
        );
    };

    const confirmDeleteVoiceBroadcastStartedEvent = async () => {
        createRedactEventDialog({ mxEvent });
        // double-flush promises required for the dialog to show up
        await flushPromises();
        await flushPromises();

        await userEvent.click(screen.getByTestId("dialog-primary-button"));
    };

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

    it("should raise an error for an event without ID", async () => {
        mxEvent = mkEvent({
            event: true,
            type: "m.room.message",
            room: roomId,
            content: {},
            user: client.getSafeUserId(),
        });
        jest.spyOn(mxEvent, "getId").mockReturnValue(undefined);
        await expect(confirmDeleteVoiceBroadcastStartedEvent()).rejects.toThrow("cannot redact event without ID");
    });

    it("should raise an error for an event without room-ID", async () => {
        mxEvent = mkEvent({
            event: true,
            type: "m.room.message",
            room: roomId,
            content: {},
            user: client.getSafeUserId(),
        });
        jest.spyOn(mxEvent, "getRoomId").mockReturnValue(undefined);
        await expect(confirmDeleteVoiceBroadcastStartedEvent()).rejects.toThrow(
            `cannot redact event ${mxEvent.getId()} without room ID`,
        );
    });

    describe("when redacting a voice broadcast started event", () => {
        beforeEach(() => {
            setUpVoiceBroadcastStartedEvent();
        });

        describe("and the server does not support relation based redactions", () => {
            beforeEach(() => {
                client.canSupport.set(Feature.RelationBasedRedactions, ServerSupport.Unsupported);
            });

            describe("and displaying and confirm the dialog for a voice broadcast", () => {
                beforeEach(async () => {
                    await confirmDeleteVoiceBroadcastStartedEvent();
                });

                it("should call redact without `with_rel_types`", () => {
                    expect(client.redactEvent).toHaveBeenCalledWith(roomId, mxEvent.getId(), undefined, {});
                });
            });
        });

        describe("and the server supports relation based redactions", () => {
            beforeEach(() => {
                client.canSupport.set(Feature.RelationBasedRedactions, ServerSupport.Unstable);
            });

            describe("and displaying and confirm the dialog for a voice broadcast", () => {
                beforeEach(async () => {
                    await confirmDeleteVoiceBroadcastStartedEvent();
                });

                it("should call redact with `with_rel_types`", () => {
                    expect(client.redactEvent).toHaveBeenCalledWith(roomId, mxEvent.getId(), undefined, {
                        with_rel_types: [RelationType.Reference],
                    });
                });
            });
        });
    });
});