// @vitest-environment jsdom
import {afterEach, beforeEach, describe, expect, it, vi} from 'vitest';
import {act, cleanup, fireEvent, screen, waitFor} from '@testing-library/react';
import GameDetail from './GameDetail.jsx';
import {fetchRoutes, json} from '../test/fetchRoutes.js';
import {renderWithProviders} from '../test/renderWithProviders.jsx';
import {resetBrokenImageReports} from '../utils/brokenImages.js';
import {toast} from 'sonner';

vi.mock('react-i18next', () => import('../test/i18n-mock.js'));
vi.mock('sonner', () => ({toast: {success: vi.fn(), error: vi.fn()}}));

const game = {
    appid: 220, name: 'Half-Life 2', playtimeMinutes: 100, playtime2Weeks: 90, status: 'BACKLOG',
    rating: null, notes: null, priority: null, hasAchievements: false, statsVisible: false, achievements: [],
};

const renderDetail = (appid = 220) => renderWithProviders(<GameDetail/>,
    {path: '/library/:appid', entries: [`/library/${appid}`], routes: {'/library': <p>library page</p>}});

const echo = (url, init) => json(200, JSON.parse(init.body));

// The user and the game at /library/<shown.appid>; `routes` adds or replaces answers.
const answer = (shown, routes = {}, me = {settings: {}}) => fetchRoutes({
    'GET /api/users/me': json(200, me),
    [`GET /api/library/games/${shown.appid}`]: json(200, shown),
    ...routes,
});

beforeEach(() => {
    localStorage.setItem('tbp_session', '1');
});

afterEach(() => {
    cleanup();
    localStorage.clear();
    resetBrokenImageReports();
});

describe('GameDetail', () => {
    it('asks "finished?" instead of "playing?" when Core has a finished hint', async () => {
        answer({...game, playtime2Weeks: 90, source: 'STEAM', finishedHint: {type: 'ENDING', achievement: 'Survivor'}});
        renderDetail();

        expect(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_FINISHED'})).toBeTruthy();
        expect(screen.queryByRole('button', {name: 'GAME_DETAIL.SET_PLAYING'})).toBeNull();
    });

    it('hides a Steam game and shows it again', async () => {
        answer({...game, source: 'STEAM', hidden: false}, {'PUT /api/library/games/220/hidden': echo});
        renderDetail();

        fireEvent.click(await screen.findByRole('button', {name: 'GAME_DETAIL.HIDE'}));

        expect(await screen.findByText('GAME_DETAIL.HIDDEN_NOTE')).toBeTruthy();
        const [url, init] = fetch.mock.calls.find(([, call]) => call?.method === 'PUT');
        expect(url).toContain('/api/library/games/220/hidden');
        expect(JSON.parse(init.body)).toEqual({hidden: true});

        fireEvent.click(screen.getByRole('button', {name: 'GAME_DETAIL.UNHIDE'}));

        await waitFor(() => expect(screen.queryByText('GAME_DETAIL.HIDDEN_NOTE')).toBeNull());
        expect(screen.getByRole('button', {name: 'GAME_DETAIL.HIDE'})).toBeTruthy();
    });

    it('keeps the game shown when Core refuses', async () => {
        answer({...game, source: 'STEAM', hidden: false}, {'PUT /api/library/games/220/hidden': json(409, {code: 'MANUAL_GAME'})});
        renderDetail();

        fireEvent.click(await screen.findByRole('button', {name: 'GAME_DETAIL.HIDE'}));

        await waitFor(() => expect(toast.error).toHaveBeenCalledWith('GAME_DETAIL.HIDE_ERROR'));
        expect(screen.queryByText('GAME_DETAIL.HIDDEN_NOTE')).toBeNull();
    });

    it('offers no hide for a game added by hand', async () => {
        answer({...game, source: 'MANUAL', platform: 'PS5', hidden: false});
        renderDetail();

        await screen.findByText('GAME_DETAIL.OPEN_IN_STEAM');
        expect(screen.queryByRole('button', {name: 'GAME_DETAIL.HIDE'})).toBeNull();
    });

    it('reports a broken achievement icon once and shows the empty tile', async () => {
        const achievement = (apiName) => ({apiName, displayName: apiName, unlocked: false, iconUrl: `https://x/${apiName}.jpg`,
            iconGrayUrl: `https://x/${apiName}_gray.jpg`});
        answer({...game, hasAchievements: true, statsVisible: true, achievementsTotal: 2, achievementsUnlocked: 0,
            completionPercent: 0, achievements: [achievement('A'), achievement('B')]}, {'POST /api/library/broken-images': json(204)});
        const {container} = renderDetail();

        await screen.findByText('A');
        container.querySelectorAll('img[src^="https://x/"]').forEach((img) => fireEvent.error(img));

        const reports = fetch.mock.calls.filter(([, init]) => init?.method === 'POST');
        expect(reports).toHaveLength(1);
        expect(reports[0][0]).toContain('/api/library/broken-images');
        expect(JSON.parse(reports[0][1].body)).toEqual({appid: 220, kind: 'ACHIEVEMENT_ICONS'});
        expect(container.querySelector('img[src^="https://x/"]')).toBeNull();
    });

    it('links the speedrun.com page when Core found one', async () => {
        answer({...game, speedrunUrl: 'https://www.speedrun.com/hl2'});
        renderDetail();

        const link = await screen.findByRole('link', {name: /GAME_DETAIL.OPEN_IN_SPEEDRUN/});
        expect(link.getAttribute('href')).toBe('https://www.speedrun.com/hl2');
    });

    it.each([null, 'https://www.speedrun.com.evil.example/hl2', 'https://evil.example/hl2', 42])(
        'shows no speedrun link for %s', async (speedrunUrl) => {
            answer({...game, speedrunUrl});
            renderDetail();

            await screen.findByText('GAME_DETAIL.OPEN_IN_STEAM');
            expect(screen.queryByText('GAME_DETAIL.OPEN_IN_SPEEDRUN')).toBeNull();
        });

    it('keeps unsaved notes in the backlog card when the hint sets the game to playing', async () => {
        // Core changes only the status and answers the whole entry.
        answer(game, {'PUT /api/library/games/220/status': (url, init) => json(200, {...game, ...JSON.parse(init.body)})});
        renderDetail();
        const notes = await screen.findByLabelText('BACKLOG.NOTES_LABEL');
        fireEvent.change(notes, {target: {value: 'my draft'}});

        fireEvent.click(screen.getByRole('button', {name: 'GAME_DETAIL.SET_PLAYING'}));

        await waitFor(() => expect(screen.queryByRole('button', {name: 'GAME_DETAIL.SET_PLAYING'})).toBeNull());
        expect(screen.getByLabelText('BACKLOG.NOTES_LABEL').value).toBe('my draft');
    });

    it('uses the game as background and can remove it again', async () => {
        answer(game, {'PUT /api/users/settings/appearance': echo});
        renderDetail();

        fireEvent.click(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BACKGROUND'}));

        const remove = await screen.findByRole('button', {name: 'GAME_DETAIL.REMOVE_BACKGROUND'});
        const [url, init] = fetch.mock.calls.find(([, call]) => call?.method === 'PUT');
        expect(url).toContain('/api/users/settings/appearance');
        expect(JSON.parse(init.body).backgroundAppid).toBe(220);

        fireEvent.click(remove);
        expect(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BACKGROUND'})).toBeTruthy();
    });

    it('uses the game as banner and goes back to the automatic banner', async () => {
        answer(game, {'PUT /api/users/settings/appearance': echo});
        renderDetail();

        fireEvent.click(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BANNER'}));

        const auto = await screen.findByRole('button', {name: 'SETTINGS.BANNER_AUTO'});
        const [, init] = fetch.mock.calls.find(([, call]) => call?.method === 'PUT');
        expect(JSON.parse(init.body)).toMatchObject({bannerAppid: 220, showBanner: true});

        fireEvent.click(auto);
        expect(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BANNER'})).toBeTruthy();
    });

    it('offers "use as banner" for the picked game while the banner is off, and turns it on', async () => {
        localStorage.setItem('tbp_appearance', JSON.stringify({bannerAppid: 220, showBanner: false}));
        answer(game, {'PUT /api/users/settings/appearance': echo});
        renderDetail();

        fireEvent.click(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BANNER'}));

        await waitFor(() => expect(fetch.mock.calls.some(([, call]) => call?.method === 'PUT')).toBe(true));
        const [, init] = fetch.mock.calls.find(([, call]) => call?.method === 'PUT');
        expect(JSON.parse(init.body)).toMatchObject({bannerAppid: 220, showBanner: true});
    });
});

describe('GameDetail of a game added by hand', () => {
    const manualGame = {
        ...game, appid: -1025, name: 'Zelda', source: 'MANUAL', platform: 'Nintendo Switch', playtimeMinutes: 90,
        playtime2Weeks: 0, imageUrl: 'https://images.igdb.com/z.jpg',
    };

    const noBody = {ok: true, status: 204, json: async () => { throw new Error('204 has no body'); }};

    beforeEach(() => {
        answer(manualGame, {'PUT /api/library/games/-1025/manual': noBody, 'DELETE /api/library/games/-1025': noBody});
    });

    it('shows platform and IGDB picture, and offers no Steam actions', async () => {
        const {container} = renderDetail(-1025);

        expect(await screen.findByLabelText('MANUAL_GAME.PLATFORM')).toBeTruthy();
        expect(screen.getAllByText('Nintendo Switch').length).toBeGreaterThan(0);
        expect(container.querySelector('img[src="https://images.igdb.com/z.jpg"]')).toBeTruthy();
        expect(screen.queryByRole('button', {name: 'GAME_DETAIL.SET_BACKGROUND'})).toBeNull();
        expect(screen.queryByRole('button', {name: 'GAME_DETAIL.SET_BANNER'})).toBeNull();
        expect(screen.queryByText('GAME_DETAIL.OPEN_IN_STEAM')).toBeNull();
        expect(screen.getByText('MANUAL_GAME.NO_ACHIEVEMENTS')).toBeTruthy();
    });

    it('saves platform and hours', async () => {
        renderDetail(-1025);
        fireEvent.change(await screen.findByLabelText('MANUAL_GAME.HOURS'), {target: {value: '2.5'}});
        fireEvent.change(screen.getByLabelText('MANUAL_GAME.PLATFORM'), {target: {value: ' PS5 '}});

        const saveButtons = screen.getAllByRole('button', {name: 'BACKLOG.SAVE'});
        fireEvent.click(saveButtons.at(-1));

        await waitFor(() => expect(fetch.mock.calls.some(([, call]) => call?.method === 'PUT')).toBe(true));
        const [url, init] = fetch.mock.calls.find(([, call]) => call?.method === 'PUT');
        expect(url).toContain('/api/library/games/-1025/manual');
        expect(JSON.parse(init.body)).toEqual({platform: 'PS5', playtimeMinutes: 150});
    });

    it('removes the game only after the confirm step and goes back to the library', async () => {
        renderDetail(-1025);
        fireEvent.click(await screen.findByRole('button', {name: 'MANUAL_GAME.REMOVE'}));
        expect(fetch.mock.calls.some(([, call]) => call?.method === 'DELETE')).toBe(false);

        fireEvent.click(screen.getByRole('button', {name: 'MANUAL_GAME.REMOVE_YES'}));

        expect(await screen.findByText('library page')).toBeTruthy();
        const [url] = fetch.mock.calls.find(([, call]) => call?.method === 'DELETE');
        expect(url).toContain('/api/library/games/-1025');
    });

    it('keeps Save off for an unchanged game with 75 minutes', async () => {
        answer({...manualGame, playtimeMinutes: 75});
        renderDetail(-1025);

        await screen.findByLabelText('MANUAL_GAME.HOURS');

        expect(screen.getAllByRole('button', {name: 'BACKLOG.SAVE'}).at(-1).disabled).toBe(true);
    });

    it('shows no manual card for a Steam game', async () => {
        answer({...game, source: 'STEAM'});
        renderDetail();

        expect(await screen.findByRole('button', {name: 'GAME_DETAIL.SET_BACKGROUND'})).toBeTruthy();
        expect(screen.queryByText('MANUAL_GAME.TITLE')).toBeNull();
    });

    it('keeps a background set in another tab when it sets the profile banner', async () => {
        let backgroundAppid = null;
        answer({...game, source: 'STEAM'}, {
            'GET /api/users/me': () => json(200, {role: 'USER', settings: {profileStyle: {accent: 'red', corners: 'round', backgroundAppid}}}),
            'PUT /api/users/settings/profile-style': json(204),
        });
        renderDetail();
        const menu = await screen.findByRole('button', {name: 'GAME_DETAIL.PROFILE_ART'});

        backgroundAppid = 620; // set in a second tab
        fireEvent.keyDown(menu, {key: 'Enter'});
        fireEvent.click(await screen.findByRole('menuitemcheckbox', {name: 'GAME_DETAIL.PROFILE_BANNER'}));

        await waitFor(() => expect(fetch.mock.calls.some(([u, init]) => init?.method === 'PUT' && u.endsWith('/profile-style'))).toBe(true));
        const sent = fetch.mock.calls.filter(([u, init]) => init?.method === 'PUT' && u.endsWith('/profile-style'))
            .map(([, init]) => JSON.parse(init.body));
        expect(sent).toEqual([{accent: 'red', corners: 'round', bannerAppid: 220, backgroundAppid: 620}]);
    });

    it('keeps a banner picked in another tab when it sets this game as banner', async () => {
        let bannerAppid = 220;
        answer({...game, source: 'STEAM'}, {
            'GET /api/users/me': () => json(200, {role: 'USER', settings: {profileStyle: {bannerAppid}}}),
            'PUT /api/users/settings/profile-style': json(204),
        });
        renderDetail();
        const menu = await screen.findByRole('button', {name: 'GAME_DETAIL.PROFILE_ART'});

        bannerAppid = 620; // another tab picked another game
        fireEvent.keyDown(menu, {key: 'Enter'});
        fireEvent.click(await screen.findByRole('menuitemcheckbox', {name: 'GAME_DETAIL.PROFILE_BANNER'}));

        await waitFor(() => expect(fetch.mock.calls.some(([u, init]) => init?.method === 'PUT' && u.endsWith('/profile-style'))).toBe(true));
        const [, init] = fetch.mock.calls.find(([u, i]) => i?.method === 'PUT' && u.endsWith('/profile-style'));
        expect(JSON.parse(init.body).bannerAppid).toBe(220);
    });

    it('uses the art as profile banner and removes it on the second click', async () => {
        let stored = {accent: 'red', corners: 'round'};
        answer({...game, source: 'STEAM'}, {
            'GET /api/users/me': () => json(200, {role: 'USER', settings: {profileStyle: stored}}),
            'PUT /api/users/settings/profile-style': (url, init) => {
                stored = JSON.parse(init.body);
                return json(204);
            },
        });
        const styleBodies = () => fetch.mock.calls.filter(([url, init]) => init?.method === 'PUT' && url.endsWith('/profile-style'))
            .map(([, init]) => JSON.parse(init.body));
        const openMenu = async () => fireEvent.keyDown(await screen.findByRole('button', {name: 'GAME_DETAIL.PROFILE_ART'}), {key: 'Enter'});
        renderDetail();

        await openMenu();
        fireEvent.click(await screen.findByRole('menuitemcheckbox', {name: 'GAME_DETAIL.PROFILE_BANNER'}));
        await waitFor(() => expect(styleBodies()).toEqual([{accent: 'red', corners: 'round', bannerAppid: 220,
            backgroundAppid: null}]));

        await openMenu();
        const banner = await screen.findByRole('menuitemcheckbox', {name: 'GAME_DETAIL.PROFILE_BANNER'});
        expect(banner.getAttribute('aria-checked')).toBe('true');
        fireEvent.click(banner);
        await waitFor(() => expect(styleBodies()).toHaveLength(2));
        expect(styleBodies()[1].bannerAppid).toBeNull();
    });

    describe('corrections', () => {
        const loggedInAs = (me) => answer(game, {}, me);

        it('offers "correct data" to an active auditor', async () => {
            loggedInAs({role: 'AUDITOR', activeRole: 'AUDITOR'});
            renderDetail();

            fireEvent.click(await screen.findByRole('button', {name: 'CORRECTION.OPEN'}));

            expect(await screen.findByText('CORRECTION.TITLE')).toBeTruthy();
        });

        it('offers "merge duplicate" to an active auditor', async () => {
            loggedInAs({role: 'AUDITOR', activeRole: 'AUDITOR'});
            renderDetail();

            fireEvent.click(await screen.findByRole('button', {name: 'MERGE.OPEN'}));

            expect(await screen.findByText('MERGE.TITLE')).toBeTruthy();
        });

        it('offers nothing to a user or to an admin viewing as user', async () => {
            for (const me of [{role: 'USER', activeRole: 'USER'}, {role: 'PLATFORM_ADMIN', activeRole: 'USER'}]) {
                loggedInAs(me);
                renderDetail();

                await screen.findByText('Half-Life 2');
                await waitFor(() => expect(fetch).toHaveBeenCalledWith(expect.stringContaining('/api/users/me'), expect.anything()));
                // Let the answer of /me reach the page before looking for the button.
                await act(async () => {});
                expect(screen.queryByRole('button', {name: 'CORRECTION.OPEN'})).toBeNull();
                expect(screen.queryByRole('button', {name: 'MERGE.OPEN'})).toBeNull();
                cleanup();
            }
        });
    });
});

describe('GameDetail confetti', () => {
    // jsdom has no canvas drawing.
    beforeEach(() => {
        vi.spyOn(HTMLCanvasElement.prototype, 'getContext').mockReturnValue(null);
    });

    afterEach(() => {
        vi.restoreAllMocks();
    });

    const opened = async (entry) => {
        answer({...game, ...entry});
        const {container} = renderDetail();
        await screen.findByText('Half-Life 2');
        return container.querySelector('canvas[data-size]');
    };

    it('plays a small one for a finished game', async () => {
        expect((await opened({status: 'FINISHED'})).dataset.size).toBe('small');
    });

    it('plays a big one when every achievement is unlocked too', async () => {
        const canvas = await opened({status: 'COMPLETED', hasAchievements: true, statsVisible: true,
            achievementsTotal: 3, achievementsUnlocked: 3});
        expect(canvas.dataset.size).toBe('big');
    });

    it('plays nothing for a game not finished', async () => {
        expect(await opened({status: 'PLAYING'})).toBeNull();
    });
});

describe('GameDetail session', () => {
    it('opens the login page on a 401 that the refresh cannot fix, without an error', async () => {
        toast.error.mockClear();
        fetchRoutes({
            'GET /api/users/me': json(200, {settings: {}}),
            'GET /api/library/games/220': json(401, {}),
            'POST /api/auth/refresh': json(401, {}),
        });
        const {router} = renderWithProviders(<GameDetail/>, {path: '/library/:appid', entries: ['/library/220'],
            guarded: true, routes: {'/login': <p>login</p>}});

        await waitFor(() => expect(router.state.location.pathname).toBe('/login'));
        expect(router.state.location.state).toEqual({sessionExpired: true, from: '/library/220'});
        expect(toast.error).not.toHaveBeenCalled();
        expect(screen.queryByText('GAME_DETAIL.ERROR_LOAD')).toBeNull();
    });
});