import { beforeEach, describe, expect, it, vi } from 'vitest';
import { render, screen, waitFor, within } from '@testing-library/react';
import userEvent from '@testing-library/user-event';

import { AnimatedImage } from '@/components/ui/AnimatedImage';
import { FramedAvatar, Nickname } from '@/components/profile/Cosmetics';
import { nickColorStyle, nickEffectClass } from '@/components/profile/cosmeticsStyle';
import {
  bodyOf,
  findRequest,
  installFetch,
  installGatewaySocket,
  json,
  makeReadySnapshot,
  makeUser,
  messagesRoutes,
  recordedRequests,
  renderApp,
  resetStores,
  waitForPage,
  type FetchRoute,
} from './helpers';

/**
 * Оформление профиля (AGENT.md 7.2, 7.4): отрисовка рамки, иконки, цвета и
 * эффекта ника, редактор личного стиля и галерея оформления сервера.
 */

const user = makeUser({ display_name: 'Аля' });

describe('отрисовка оформления', () => {
  it('рисует рамку, иконку, цвет и эффект ника', () => {
    render(
      <div>
        <FramedAvatar
          name="Аля"
          seed="u-1"
          size="md"
          cosmetics={{
            frame_id: 'f-1',
            badge_id: 'b-1',
            nick_color: 0xe74c3c,
            nick_effect: 'glow',
          }}
        />
        <Nickname
          name="Аля"
          cosmetics={{ badge_id: 'b-1', nick_color: 0xe74c3c, nick_effect: 'glow' }}
        />
      </div>,
    );

    const frame = screen.getByTestId('avatar-frame');
    expect(frame.querySelector('img')?.getAttribute('src')).toBe('/files/f-1');
    expect(screen.getByTestId('nick-badge').getAttribute('src')).toBe('/files/b-1');

    const nick = screen.getByTestId('nick-name');
    expect(nick).toHaveTextContent('Аля');
    expect(nick).toHaveClass('gl-nick', 'gl-nick-glow');
    expect(nick).toHaveStyle({ color: '#e74c3c' });
  });

  it('без оформления показывает обычный аватар и ник', () => {
    render(<Nickname name="Боб" />);

    expect(screen.queryByTestId('avatar-frame')).toBeNull();
    expect(screen.queryByTestId('nick-badge')).toBeNull();
    expect(screen.getByTestId('nick-name')).toHaveClass('gl-nick');
    expect(screen.getByTestId('nick-name')).not.toHaveClass('gl-nick-glow');
  });

  it('неизвестный эффект и нулевой цвет игнорируются', () => {
    expect(nickEffectClass('unknown')).toBe('gl-nick');
    expect(nickEffectClass(undefined)).toBe('gl-nick');
    expect(nickEffectClass('fire')).toBe('gl-nick gl-nick-fire');
    expect(nickColorStyle(0)).toBeUndefined();
    expect(nickColorStyle(undefined)).toBeUndefined();
    expect(nickColorStyle(0x2ecc71)).toEqual({ color: '#2ecc71' });
  });
});

/** Маршруты окна настроек: профиль, стили и серверы. */
function settingsRoutes(styles: unknown[], cosmetics: unknown[] = []): FetchRoute[] {
  return [
    { match: '/api/v1/users/@me/styles', response: () => json({ styles }) },
    {
      match: '/api/v1/users/@me/guilds',
      response: () =>
        json({
          guilds: [
            {
              id: 'g-1',
              name: 'Сервер',
              owner_id: 'user-1',
              is_main: true,
              member_count: 1,
              my_role_ids: [],
              my_permissions: ['MANAGE_ROLES'],
            },
          ],
        }),
    },
    { match: '/api/v1/users/@me', response: () => json({ user }) },
    { match: '/api/v1/instance', response: () => json({ instance: { name: 'glchat-test' } }) },
    { match: '/api/v1/guilds/g-1/cosmetics', response: () => json({ cosmetics }) },
    { match: '/api/v1/guilds/g-1/roles', response: () => json({ roles: [] }) },
    { match: '/api/v1/guilds/g-1/members', response: () => json({ members: [] }) },
    {
      match: '/api/v1/guilds/g-1',
      response: () =>
        json({
          guild: {
            id: 'g-1',
            name: 'Сервер',
            owner_id: 'user-1',
            is_main: true,
            member_count: 1,
            my_role_ids: [],
            my_permissions: ['MANAGE_ROLES', 'ADMINISTRATOR'],
            roles: [],
            channels: [],
          },
        }),
    },
  ];
}

const stylesPayload = [
  {
    scope: 'global',
    style: { frame_id: 'f-1' },
    frame_ids: ['f-1', 'f-2'],
    badge_ids: ['b-1'],
    nick_colors: [0xe74c3c, 0x2ecc71],
    effects: ['none', 'glow', 'gradient'],
  },
  {
    scope: 'g-1',
    guild_id: 'g-1',
    guild_name: 'Сервер',
    style: {},
    frame_ids: ['f-1'],
    badge_ids: [],
    nick_colors: [0xe74c3c],
    effects: ['none', 'glow'],
  },
];

beforeEach(() => {
  resetStores();
});

describe('редактор личного стиля', () => {
  it('меняет рамку, иконку, цвет и эффект и сбрасывает стиль', async () => {
    const fetchMock = installFetch(settingsRoutes(stylesPayload));
    renderApp('/app');
    await userEvent.click(await screen.findByLabelText('Настройки пользователя'));
    await userEvent.click(await screen.findByRole('button', { name: 'Профиль' }));
    const section = await screen.findByTestId('profile-style');

    // Текущий стиль подставляется в предпросмотр.
    expect(within(section).getByTestId('avatar-frame')).toBeInTheDocument();

    // Рамка: выбор другой рамки уходит на сервер.
    await userEvent.click(within(section).getByTestId('style-frame-f-2'));
    await waitFor(() => {
      expect(
        bodyOf(findRequest(fetchMock, { url: '/users/@me/styles/global', method: 'PUT' })),
      ).toMatchObject({ frame_id: 'f-2', nick_effect: 'none' });
    });

    // Иконка.
    await userEvent.click(within(section).getByTestId('style-badge-b-1'));
    await waitFor(() => {
      const calls = recordedRequests(fetchMock).filter(
        (request) => request.method === 'PUT' && request.url.includes('/styles/'),
      );
      expect(calls.at(-1)?.body).toMatchObject({ badge_id: 'b-1' });
    });

    // Цвет из палитры.
    await userEvent.click(within(section).getByTestId('style-color-2ecc71'));
    await waitFor(() => {
      const calls = recordedRequests(fetchMock).filter(
        (request) => request.method === 'PUT' && request.url.includes('/styles/'),
      );
      expect(calls.at(-1)?.body).toMatchObject({ nick_color: 0x2ecc71 });
    });

    // Эффект ника.
    await userEvent.selectOptions(within(section).getByTestId('style-effect'), 'glow');
    await waitFor(() => {
      const calls = recordedRequests(fetchMock).filter(
        (request) => request.method === 'PUT' && request.url.includes('/styles/'),
      );
      expect(calls.at(-1)?.body).toMatchObject({ nick_effect: 'glow' });
    });

    // Сброс стиля.
    await userEvent.click(within(section).getByTestId('style-reset'));
    await waitFor(() => {
      expect(
        findRequest(fetchMock, { url: '/users/@me/styles/global', method: 'DELETE' }),
      ).toBeDefined();
    });
  });

  it('переключает область на пер-серверный стиль', async () => {
    installFetch(settingsRoutes(stylesPayload));
    renderApp('/app');
    await userEvent.click(await screen.findByLabelText('Настройки пользователя'));
    await userEvent.click(await screen.findByRole('button', { name: 'Профиль' }));
    const section = await screen.findByTestId('profile-style');

    expect(within(section).getByText('Для друзей (DM и глобальные места)')).toBeInTheDocument();
    await userEvent.selectOptions(within(section).getByTestId('style-scope'), 'g-1');

    // В пер-серверном стиле доступна только одна рамка и нет иконок.
    expect(within(section).getByTestId('style-frame-f-1')).toBeInTheDocument();
    expect(within(section).queryByTestId('style-frame-f-2')).toBeNull();
    expect(within(section).getByText(/Роли пока не выдали ни одной иконки/u)).toBeInTheDocument();
  });
});

describe('галерея оформления сервера', () => {
  it('загружает элемент, переименовывает и удаляет его', async () => {
    vi.spyOn(window, 'confirm').mockReturnValue(true);
    const cosmetic = {
      id: 'c-1',
      guild_id: 'g-1',
      kind: 'frame',
      name: 'Золотая',
      file_id: 'file-1',
      created_at: '2026-09-20T10:00:00Z',
    };
    const routes: FetchRoute[] = [
      ...settingsRoutes([], [cosmetic]),
      {
        match: '/api/v1/guilds/g-1/cosmetics',
        method: 'POST',
        response: () => json({ cosmetic }),
      },
      {
        match: '/api/v1/guilds/g-1/cosmetics/c-1',
        method: 'PATCH',
        response: () => json({ cosmetic: { ...cosmetic, name: 'Новая' } }),
      },
      {
        match: '/api/v1/guilds/g-1/cosmetics/c-1',
        method: 'DELETE',
        response: () => json({ ok: true }),
      },
    ];
    const fetchMock = installFetch(routes);
    renderApp('/app');
    await userEvent.click(await screen.findByLabelText('Настройки пользователя'));
    await userEvent.click(await screen.findByRole('button', { name: 'Сервер' }));
    const section = await screen.findByTestId('guild-cosmetics');

    // Загрузка файла: multipart-запрос с видом элемента.
    const file = new File(['картинка'], 'frame.png', { type: 'image/png' });
    await userEvent.upload(within(section).getByTestId('cosmetic-input-frame'), file);
    await waitFor(() => {
      expect(
        recordedRequests(fetchMock).some(
          (request) => request.method === 'POST' && request.url.includes('/cosmetics'),
        ),
      ).toBe(true);
    });

    // Переименование.
    await userEvent.click(within(section).getByTestId('cosmetic-rename-c-1'));
    const nameInput = within(section).getByLabelText('Имя элемента');
    await userEvent.clear(nameInput);
    await userEvent.type(nameInput, 'Новая');
    await userEvent.click(within(section).getByRole('button', { name: 'Сохранить' }));
    await waitFor(() => {
      expect(
        bodyOf(findRequest(fetchMock, { url: '/cosmetics/c-1', method: 'PATCH' })),
      ).toMatchObject({
        name: 'Новая',
      });
    });

    // Удаление.
    await userEvent.click(within(section).getByTestId('cosmetic-delete-c-1'));
    await waitFor(() => {
      expect(findRequest(fetchMock, { url: '/cosmetics/c-1', method: 'DELETE' })).toBeDefined();
    });
  });
});

describe('оформление «для друзей»', () => {
  it('показывает рамку, иконку и эффект в списке друзей', async () => {
    const friend = {
      user_id: 'u-2',
      username: 'bob',
      display_name: 'Боб',
      status: 'online',
      visible_status: 'online',
      is_instance_admin: false,
      badges: [],
      timezone: 'Europe/Moscow',
      relationship: 'friend',
      cosmetics: { frame_id: 'f-9', badge_id: 'b-9', nick_color: 0x2ecc71, nick_effect: 'glow' },
    };
    installFetch([
      {
        match: '/api/v1/users/@me/relationships',
        response: () => json({ friends: [friend], incoming: [], outgoing: [], blocked: [] }),
      },
      { match: '/api/v1/users/@me/channels', response: () => json({ channels: [] }) },
      { match: '/api/v1/users/@me', response: () => json({ user }) },
      { match: '/api/v1/instance', response: () => json({ instance: { name: 'glchat-test' } }) },
      { match: '/api/v1/users/@me/guilds', response: () => json({ guilds: [] }) },
    ]);
    renderApp('/app/friends');
    await waitForPage('Друзья');
    // Список друзей свёрнут по умолчанию: раскрываем его перед проверкой.
    await userEvent.click(await screen.findByTestId('friends-list-toggle'));

    const row = await screen.findByTestId('friend-name-u-2');
    expect(within(row).getByTestId('avatar-frame')).toBeInTheDocument();
    expect(within(row).getByTestId('nick-badge').getAttribute('src')).toBe('/files/b-9');
    expect(within(row).getByTestId('nick-name')).toHaveClass('gl-nick-glow');
    expect(within(row).getByTestId('nick-name')).toHaveStyle({ color: '#2ecc71' });
  });
});

describe('шаблоны серверов', () => {
  it('создаёт сервер по выбранному шаблону', async () => {
    const templates = [
      {
        id: 'empty',
        name: 'Пустой',
        description: 'Одна общая текстовая комната.',
        roles: ['Администратор', 'Пользователь'],
        text_channels: 1,
        voice_channels: 0,
        categories: [],
      },
      {
        id: 'gaming',
        name: 'Игровой',
        description: 'Текстовые комнаты и две голосовые.',
        roles: ['Администратор', 'Пользователь', 'Игрок'],
        text_channels: 2,
        voice_channels: 2,
        categories: ['Текстовые', 'Голосовые'],
      },
    ];
    const fetchMock = installFetch([
      { match: '/api/v1/guild-templates', response: () => json({ templates }) },
      {
        match: '/api/v1/guilds',
        method: 'POST',
        response: () =>
          json({
            guild: {
              id: 'g-new',
              name: 'Новый',
              owner_id: 'user-1',
              is_main: false,
              member_count: 1,
              my_role_ids: [],
              my_permissions: ['ADMINISTRATOR'],
            },
          }),
      },
      { match: '/api/v1/users/@me/guilds', response: () => json({ guilds: [] }) },
      { match: '/api/v1/users/@me', response: () => json({ user }) },
      { match: '/api/v1/instance', response: () => json({ instance: { name: 'glchat-test' } }) },
    ]);
    renderApp('/app');
    await userEvent.click(await screen.findByLabelText('Создать сервер'));

    const picker = await screen.findByTestId('guild-templates');
    await userEvent.click(within(picker).getByTestId('guild-template-gaming'));
    await userEvent.type(screen.getByLabelText('Название сервера'), 'Новый');
    await userEvent.click(screen.getByRole('button', { name: 'Создать' }));

    await waitFor(() => {
      expect(bodyOf(findRequest(fetchMock, { url: '/guilds', method: 'POST' }))).toMatchObject({
        name: 'Новый',
        template_id: 'gaming',
      });
    });
  });
});

describe('фон комнаты', () => {
  it('показывает фон в ленте и позволяет его сменить', async () => {
    const channel = {
      id: 'c-1',
      name: 'общий',
      type: 'text' as const,
      position: 0,
      background_file_id: 'bg-1',
    };
    const routes: FetchRoute[] = [
      { match: '/api/v1/users/@me/guilds', response: () => json({ guilds: [] }) },
      { match: '/api/v1/users/@me', response: () => json({ user }) },
      { match: '/api/v1/instance', response: () => json({ instance: { name: 'glchat-test' } }) },
      { match: '/api/v1/guilds/g-1/channels', response: () => json({ channels: [channel] }) },
      { match: '/api/v1/guilds/g-1/members', response: () => json({ members: [] }) },
      { match: '/api/v1/guilds/g-1/roles', response: () => json({ roles: [] }) },
      {
        match: '/api/v1/guilds/g-1',
        response: () =>
          json({
            guild: {
              id: 'g-1',
              name: 'Сервер',
              owner_id: 'user-1',
              is_main: true,
              member_count: 1,
              my_role_ids: [],
              my_permissions: ['MANAGE_CHANNEL_BACKGROUND', 'ADMINISTRATOR'],
              roles: [],
              channels: [channel],
            },
          }),
      },
      { match: '/api/v1/channels/c-1/webhooks', response: () => json({ webhooks: [] }) },
      {
        match: '/api/v1/channels/c-1/background',
        method: 'POST',
        response: () => json({ channel: { ...channel, background_file_id: 'bg-2' } }),
      },
      {
        match: '/api/v1/channels/c-1/background',
        method: 'DELETE',
        response: () => json({ channel: { ...channel, background_file_id: undefined } }),
      },
      ...messagesRoutes('c-1', []),
    ];
    const fetchMock = installFetch(routes);
    const snapshot = makeReadySnapshot([
      {
        id: 'g-1',
        name: 'Сервер',
        is_main: true,
        my_permissions: ['MANAGE_CHANNEL_BACKGROUND', 'ADMINISTRATOR'],
        channels: [channel],
      },
    ]);
    const gateway = installGatewaySocket(snapshot);
    renderApp('/app/g-1/c-1');
    await gateway.greet();
    await screen.findByTestId('message-list');

    // Фон рисуется за лентой вместе с затемнением.
    const overlay = screen.getByTestId('channel-background-overlay');
    const image = overlay.parentElement?.querySelector('img');
    expect(image?.getAttribute('src')).toBe('/files/bg-1');

    // Секция настроек комнаты: загрузка нового фона.
    await userEvent.click(screen.getByTestId('channel-settings'));
    const section = await screen.findByTestId('channel-background');
    await userEvent.upload(
      within(section).getByTestId('channel-background-input'),
      new File(['фон'], 'bg.png', { type: 'image/png' }),
    );
    await waitFor(() => {
      expect(
        recordedRequests(fetchMock).some(
          (request) => request.method === 'POST' && request.url.includes('/background'),
        ),
      ).toBe(true);
    });

    // Удаление фона.
    await userEvent.click(within(section).getByTestId('channel-background-remove'));
    await waitFor(() => {
      expect(
        recordedRequests(fetchMock).some(
          (request) => request.method === 'DELETE' && request.url.includes('/background'),
        ),
      ).toBe(true);
    });
  });

  it('при «уменьшить движение» подменяет анимацию первым кадром', () => {
    const listeners: ((event: MediaQueryListEvent) => void)[] = [];
    vi.stubGlobal('matchMedia', (query: string) => ({
      matches: query.includes('reduced-motion'),
      media: query,
      addEventListener: (_: string, listener: (event: MediaQueryListEvent) => void) => {
        listeners.push(listener);
      },
      removeEventListener: () => undefined,
    }));
    const { container } = render(<AnimatedImage src="/files/bg-1" />);
    const image = container.querySelector('img');
    // Первый кадр рисуется из картинки: пока она не загрузилась, показываем
    // исходную ссылку и помечаем её как анимированную.
    expect(image?.getAttribute('src')).toBe('/files/bg-1');
    expect(image?.getAttribute('data-animated')).toBe('animated');
  });
});