/*
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 React, { ComponentProps } from "react";
import { act, fireEvent, render } from "@testing-library/react";
import * as maplibregl from "maplibre-gl";
import {
    BeaconEvent,
    getBeaconInfoIdentifier,
    RelationType,
    MatrixEvent,
    EventType,
    Relations,
    M_BEACON,
    Room,
} from "matrix-js-sdk/src/matrix";

import MBeaconBody from "../../../../src/components/views/messages/MBeaconBody";
import {
    getMockClientWithEventEmitter,
    makeBeaconEvent,
    makeBeaconInfoEvent,
    makeRoomWithBeacons,
    makeRoomWithStateEvents,
} from "../../../test-utils";
import { RoomPermalinkCreator } from "../../../../src/utils/permalinks/Permalinks";
import { MediaEventHelper } from "../../../../src/utils/MediaEventHelper";
import MatrixClientContext from "../../../../src/contexts/MatrixClientContext";
import Modal from "../../../../src/Modal";
import { TILE_SERVER_WK_KEY } from "../../../../src/utils/WellKnownUtils";
import * as mapUtilHooks from "../../../../src/utils/location/useMap";
import { LocationShareError } from "../../../../src/utils/location";

describe("<MBeaconBody />", () => {
    // 14.03.2022 16:15
    const now = 1647270879403;
    // stable date for snapshots
    jest.spyOn(global.Date, "now").mockReturnValue(now);
    const roomId = "!room:server";
    const aliceId = "@alice:server";

    const mapOptions = { container: {} as unknown as HTMLElement, style: "" };
    const mockMap = new maplibregl.Map(mapOptions);
    const mockMarker = new maplibregl.Marker();

    const mockClient = getMockClientWithEventEmitter({
        getClientWellKnown: jest.fn().mockReturnValue({
            [TILE_SERVER_WK_KEY.name]: { map_style_url: "maps.com" },
        }),
        getUserId: jest.fn().mockReturnValue(aliceId),
        getRoom: jest.fn(),
        redactEvent: jest.fn(),
    });

    const defaultEvent = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-1");

    const defaultProps: ComponentProps<typeof MBeaconBody> = {
        mxEvent: defaultEvent,
        highlights: [],
        highlightLink: "",
        onHeightChanged: jest.fn(),
        onMessageAllowed: jest.fn(),
        // we dont use these and they pollute the snapshots
        permalinkCreator: {} as unknown as RoomPermalinkCreator,
        mediaEventHelper: {} as unknown as MediaEventHelper,
    };

    const getComponent = (props = {}) =>
        render(
            <MatrixClientContext.Provider value={mockClient}>
                <MBeaconBody {...defaultProps} {...props} />
            </MatrixClientContext.Provider>,
        );

    const modalSpy = jest.spyOn(Modal, "createDialog").mockReturnValue({
        finished: Promise.resolve([true]),
        close: () => {},
    });

    beforeEach(() => {
        jest.clearAllMocks();
    });

    const testBeaconStatuses = () => {
        it("renders stopped beacon UI for an explicitly stopped beacon", () => {
            const beaconInfoEvent = makeBeaconInfoEvent(aliceId, roomId, { isLive: false }, "$alice-room1-1");
            makeRoomWithStateEvents([beaconInfoEvent], { roomId, mockClient });
            const component = getComponent({ mxEvent: beaconInfoEvent });
            expect(component.container).toHaveTextContent("Live location ended");
        });

        it("renders stopped beacon UI for an expired beacon", () => {
            const beaconInfoEvent = makeBeaconInfoEvent(
                aliceId,
                roomId,
                // puts this beacons live period in the past
                { isLive: true, timestamp: now - 600000, timeout: 500 },
                "$alice-room1-1",
            );
            makeRoomWithStateEvents([beaconInfoEvent], { roomId, mockClient });
            const component = getComponent({ mxEvent: beaconInfoEvent });
            expect(component.container).toHaveTextContent("Live location ended");
        });

        it("renders loading beacon UI for a beacon that has not started yet", () => {
            const beaconInfoEvent = makeBeaconInfoEvent(
                aliceId,
                roomId,
                // puts this beacons start timestamp in the future
                { isLive: true, timestamp: now + 60000, timeout: 500 },
                "$alice-room1-1",
            );
            makeRoomWithStateEvents([beaconInfoEvent], { roomId, mockClient });
            const component = getComponent({ mxEvent: beaconInfoEvent });
            expect(component.container).toHaveTextContent("Loading live location…");
        });

        it("does not open maximised map when on click when beacon is stopped", () => {
            const beaconInfoEvent = makeBeaconInfoEvent(
                aliceId,
                roomId,
                // puts this beacons live period in the past
                { isLive: true, timestamp: now - 600000, timeout: 500 },
                "$alice-room1-1",
            );
            makeRoomWithStateEvents([beaconInfoEvent], { roomId, mockClient });
            const component = getComponent({ mxEvent: beaconInfoEvent });
            fireEvent.click(component.container.querySelector(".mx_MBeaconBody_map")!);

            expect(modalSpy).not.toHaveBeenCalled();
        });

        it("renders stopped UI when a beacon event is not the latest beacon for a user", () => {
            const aliceBeaconInfo1 = makeBeaconInfoEvent(
                aliceId,
                roomId,
                // this one is a little older
                { isLive: true, timestamp: now - 500 },
                "$alice-room1-1",
            );
            aliceBeaconInfo1.event.origin_server_ts = now - 500;
            const aliceBeaconInfo2 = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-2");

            makeRoomWithStateEvents([aliceBeaconInfo1, aliceBeaconInfo2], { roomId, mockClient });

            const component = getComponent({ mxEvent: aliceBeaconInfo1 });
            // beacon1 has been superceded by beacon2
            expect(component.container).toHaveTextContent("Live location ended");
        });

        it("renders stopped UI when a beacon event is replaced", () => {
            const aliceBeaconInfo1 = makeBeaconInfoEvent(
                aliceId,
                roomId,
                // this one is a little older
                { isLive: true, timestamp: now - 500 },
                "$alice-room1-1",
            );
            aliceBeaconInfo1.event.origin_server_ts = now - 500;
            const aliceBeaconInfo2 = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-2");

            const room = makeRoomWithStateEvents([aliceBeaconInfo1], { roomId, mockClient });
            const component = getComponent({ mxEvent: aliceBeaconInfo1 });

            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(aliceBeaconInfo1))!;
            // update alice's beacon with a new edition
            // beacon instance emits
            act(() => {
                beaconInstance.update(aliceBeaconInfo2);
            });

            // beacon1 has been superceded by beacon2
            expect(component.container).toHaveTextContent("Live location ended");
        });
    };

    testBeaconStatuses();

    describe("on liveness change", () => {
        it("renders stopped UI when a beacon stops being live", () => {
            const aliceBeaconInfo = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-1");

            const room = makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(aliceBeaconInfo))!;
            const component = getComponent({ mxEvent: aliceBeaconInfo });

            act(() => {
                // @ts-ignore cheat to force beacon to not live
                beaconInstance._isLive = false;
                beaconInstance.emit(BeaconEvent.LivenessChange, false, beaconInstance);
            });

            // stopped UI
            expect(component.container).toHaveTextContent("Live location ended");
        });
    });

    describe("latestLocationState", () => {
        const aliceBeaconInfo = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-1");

        const location1 = makeBeaconEvent(aliceId, {
            beaconInfoId: aliceBeaconInfo.getId(),
            geoUri: "geo:51,41",
            timestamp: now + 1,
        });
        const location2 = makeBeaconEvent(aliceId, {
            beaconInfoId: aliceBeaconInfo.getId(),
            geoUri: "geo:52,42",
            timestamp: now + 10000,
        });

        it("renders a live beacon without a location correctly", () => {
            makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            const component = getComponent({ mxEvent: aliceBeaconInfo });

            expect(component.container).toHaveTextContent("Loading live location…");
        });

        it("does nothing on click when a beacon has no location", () => {
            makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            const component = getComponent({ mxEvent: aliceBeaconInfo });

            fireEvent.click(component.container.querySelector(".mx_MBeaconBody_map")!);

            expect(modalSpy).not.toHaveBeenCalled();
        });

        it("renders a live beacon with a location correctly", () => {
            const room = makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(aliceBeaconInfo))!;
            beaconInstance.addLocations([location1]);
            const component = getComponent({ mxEvent: aliceBeaconInfo });

            expect(component.container.querySelector(".maplibregl-canvas-container")).toBeDefined();
        });

        it("opens maximised map view on click when beacon has a live location", () => {
            const room = makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(aliceBeaconInfo))!;
            beaconInstance.addLocations([location1]);
            const component = getComponent({ mxEvent: aliceBeaconInfo });

            fireEvent.click(component.container.querySelector(".mx_Map")!);

            // opens modal
            expect(modalSpy).toHaveBeenCalled();
        });

        it("updates latest location", () => {
            const room = makeRoomWithStateEvents([aliceBeaconInfo], { roomId, mockClient });
            getComponent({ mxEvent: aliceBeaconInfo });

            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(aliceBeaconInfo))!;
            act(() => {
                beaconInstance.addLocations([location1]);
            });

            expect(mockMap.setCenter).toHaveBeenCalledWith({ lat: 51, lon: 41 });
            expect(mockMarker.setLngLat).toHaveBeenCalledWith({ lat: 51, lon: 41 });

            act(() => {
                beaconInstance.addLocations([location2]);
            });

            expect(mockMap.setCenter).toHaveBeenCalledWith({ lat: 52, lon: 42 });
            expect(mockMarker.setLngLat).toHaveBeenCalledWith({ lat: 52, lon: 42 });
        });
    });

    describe("redaction", () => {
        const makeEvents = (): {
            beaconInfoEvent: MatrixEvent;
            location1: MatrixEvent;
            location2: MatrixEvent;
        } => {
            const beaconInfoEvent = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-1");

            const location1 = makeBeaconEvent(
                aliceId,
                { beaconInfoId: beaconInfoEvent.getId(), geoUri: "geo:51,41", timestamp: now + 1 },
                roomId,
            );
            location1.event.event_id = "1";
            const location2 = makeBeaconEvent(
                aliceId,
                { beaconInfoId: beaconInfoEvent.getId(), geoUri: "geo:52,42", timestamp: now + 10000 },
                roomId,
            );
            location2.event.event_id = "2";
            return { beaconInfoEvent, location1, location2 };
        };

        const redactionEvent = new MatrixEvent({ type: EventType.RoomRedaction, content: { reason: "test reason" } });

        const setupRoomWithBeacon = (beaconInfoEvent: MatrixEvent, locationEvents: MatrixEvent[] = []): Room => {
            const room = makeRoomWithStateEvents([beaconInfoEvent], { roomId, mockClient });
            const beaconInstance = room.currentState.beacons.get(getBeaconInfoIdentifier(beaconInfoEvent))!;
            beaconInstance.addLocations(locationEvents);
            return room;
        };
        const mockGetRelationsForEvent = (locationEvents: MatrixEvent[] = []) => {
            const relations = new Relations(RelationType.Reference, M_BEACON.name, mockClient);
            jest.spyOn(relations, "getRelations").mockReturnValue(locationEvents);

            const getRelationsForEvent = jest.fn().mockReturnValue(relations);

            return getRelationsForEvent;
        };

        it("does nothing when getRelationsForEvent is falsy", () => {
            const { beaconInfoEvent, location1, location2 } = makeEvents();
            const room = setupRoomWithBeacon(beaconInfoEvent, [location1, location2]);

            getComponent({ mxEvent: beaconInfoEvent });

            act(() => {
                beaconInfoEvent.makeRedacted(redactionEvent, room);
            });

            // no error, no redactions
            expect(mockClient.redactEvent).not.toHaveBeenCalled();
        });

        it("cleans up redaction listener on unmount", () => {
            const { beaconInfoEvent, location1, location2 } = makeEvents();
            setupRoomWithBeacon(beaconInfoEvent, [location1, location2]);
            const removeListenerSpy = jest.spyOn(beaconInfoEvent, "removeListener");

            const component = getComponent({ mxEvent: beaconInfoEvent });

            act(() => {
                component.unmount();
            });

            expect(removeListenerSpy).toHaveBeenCalled();
        });

        it("does nothing when beacon has no related locations", async () => {
            const { beaconInfoEvent } = makeEvents();
            // no locations
            const room = setupRoomWithBeacon(beaconInfoEvent, []);
            const getRelationsForEvent = await mockGetRelationsForEvent();

            getComponent({ mxEvent: beaconInfoEvent, getRelationsForEvent });

            act(() => {
                beaconInfoEvent.makeRedacted(redactionEvent, room);
            });

            expect(getRelationsForEvent).toHaveBeenCalledWith(
                beaconInfoEvent.getId(),
                RelationType.Reference,
                M_BEACON.name,
            );
            expect(mockClient.redactEvent).not.toHaveBeenCalled();
        });

        it("redacts related locations on beacon redaction", async () => {
            const { beaconInfoEvent, location1, location2 } = makeEvents();
            const room = setupRoomWithBeacon(beaconInfoEvent, [location1, location2]);

            const getRelationsForEvent = await mockGetRelationsForEvent([location1, location2]);

            getComponent({ mxEvent: beaconInfoEvent, getRelationsForEvent });

            act(() => {
                beaconInfoEvent.makeRedacted(redactionEvent, room);
            });

            expect(getRelationsForEvent).toHaveBeenCalledWith(
                beaconInfoEvent.getId(),
                RelationType.Reference,
                M_BEACON.name,
            );
            expect(mockClient.redactEvent).toHaveBeenCalledTimes(2);
            expect(mockClient.redactEvent).toHaveBeenCalledWith(roomId, location1.getId(), undefined, {
                reason: "test reason",
            });
            expect(mockClient.redactEvent).toHaveBeenCalledWith(roomId, location2.getId(), undefined, {
                reason: "test reason",
            });
        });
    });

    describe("when map display is not configured", () => {
        beforeEach(() => {
            // mock map utils to raise MapStyleUrlNotConfigured error
            jest.spyOn(mapUtilHooks, "useMap").mockImplementation(({ onError }) => {
                onError?.(new Error(LocationShareError.MapStyleUrlNotConfigured));
                return mockMap;
            });
        });

        it("renders maps unavailable error for a live beacon with location", () => {
            const beaconInfoEvent = makeBeaconInfoEvent(aliceId, roomId, { isLive: true }, "$alice-room1-1");
            const location1 = makeBeaconEvent(aliceId, {
                beaconInfoId: beaconInfoEvent.getId(),
                geoUri: "geo:51,41",
                timestamp: now + 1,
            });

            makeRoomWithBeacons(roomId, mockClient, [beaconInfoEvent], [location1]);

            const component = getComponent({ mxEvent: beaconInfoEvent });
            expect(component.getByTestId("map-rendering-error")).toMatchSnapshot();
        });

        // test that statuses display as expected with a map display error
        testBeaconStatuses();
    });
});