import { beforeEach, describe, expect, it, vi } from 'vitest';
import { useAuthStore } from '@/stores/auth';

const hostApiFetchMock = vi.hoisted(() => vi.fn());

vi.mock('@/lib/host-api', () => ({
  hostApiFetch: (...args: unknown[]) => hostApiFetchMock(...args),
}));

function resetAuthStore() {
  useAuthStore.setState({
    initialized: false,
    loading: false,
    error: null,
    authBase: '',
    clientId: 'app',
    accessToken: null,
    tokenType: null,
    expiresAt: null,
    lastActiveAt: null,
    canRefresh: false,
    legacyRefreshToken: null,
    user: null,
  });
}

describe('auth store', () => {
  beforeEach(() => {
    vi.useFakeTimers();
    vi.setSystemTime(new Date('2026-05-15T08:00:00.000Z'));
    window.localStorage.clear();
    hostApiFetchMock.mockReset();
    resetAuthStore();
  });

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

  it('starts browser authorization through the host api and stores the session', async () => {
    hostApiFetchMock
      .mockResolvedValueOnce({
        success: true,
        token: {
          access_token: 'access-token',
          refresh_token: 'must-not-return-to-renderer-storage',
          token_type: 'Bearer',
          expires_in: 60,
          username: 'zhangsan',
          user_id: '1',
          tenant_id: 7,
          dept_id: 9,
          authorities: ['ROLE_USER'],
          client_id: 'app',
        },
        session: {
          accessToken: 'access-token',
          tokenType: 'Bearer',
          expiresAt: Date.now() + 60_000,
          lastActiveAt: Date.now(),
          canRefresh: true,
        },
      });

    await useAuthStore.getState().loginWithBrowser();

    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/browser/start', {
      method: 'POST',
    });

    const state = useAuthStore.getState();
    expect(state.isAuthenticated()).toBe(true);
    expect(state.accessToken).toBe('access-token');
    expect(state.canRefresh).toBe(true);
    expect(state.legacyRefreshToken).toBeNull();
    expect(state.expiresAt).toBe(Date.now() + 60_000);
    expect(state.user).toEqual({
      username: 'zhangsan',
      userId: '1',
      tenantId: 7,
      deptId: 9,
      authorities: ['ROLE_USER'],
    });
    expect(window.localStorage.getItem('niancode-auth')).not.toContain(
      'must-not-return-to-renderer-storage',
    );
  });

  it('surfaces browser authorization failures and does not keep a partial session', async () => {
    hostApiFetchMock.mockResolvedValueOnce({
      success: false,
      error: 'Authorization timed out',
    });

    await expect(useAuthStore.getState().loginWithBrowser()).rejects.toThrow(
      'Authorization timed out',
    );

    const state = useAuthStore.getState();
    expect(state.loading).toBe(false);
    expect(state.error).toBe('Authorization timed out');
    expect(state.accessToken).toBeNull();
    expect(state.isAuthenticated()).toBe(false);
  });

  it('clears a persisted session when the configured SSO gateway changes', async () => {
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://onefeel.brother7.cn/ingress/auth',
      clientId: 'app',
      accessToken: 'old-environment-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      canRefresh: true,
      legacyRefreshToken: 'old-environment-refresh-token',
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await useAuthStore.getState().init();

    const state = useAuthStore.getState();
    expect(state.authBase).toBe('https://biz.nianxx.cn/auth/');
    expect(state.accessToken).toBeNull();
    expect(state.canRefresh).toBe(false);
    expect(state.legacyRefreshToken).toBeNull();
    expect(state.user).toBeNull();
    expect(state.isAuthenticated()).toBe(false);
  });

  it('migrates a legacy persisted refresh token to Main during init', async () => {
    const lastActiveAt = Date.now() - 60_000;
    hostApiFetchMock.mockResolvedValueOnce({
      success: true,
      session: {
        accessToken: 'persisted-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt,
        canRefresh: true,
      },
    });
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'persisted-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      lastActiveAt,
      canRefresh: true,
      legacyRefreshToken: 'persisted-refresh-token',
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await useAuthStore.getState().init();

    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/session/sync', {
      method: 'POST',
      body: JSON.stringify({
        accessToken: 'persisted-access-token',
        refreshToken: 'persisted-refresh-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt,
      }),
    });
    expect(useAuthStore.getState().legacyRefreshToken).toBeNull();
    const persisted = JSON.parse(window.localStorage.getItem('niancode-auth') || '{}') as {
      state?: Record<string, unknown>;
    };
    expect(persisted.state?.legacyRefreshToken).toBeNull();
  });

  it('waits for Main session sync before marking persisted auth initialized', async () => {
    let resolveSync!: (value: unknown) => void;
    hostApiFetchMock.mockImplementationOnce(() => new Promise((resolve) => {
      resolveSync = resolve;
    }));
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'persisted-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    const initialization = useAuthStore.getState().init();

    expect(useAuthStore.getState().initialized).toBe(false);

    resolveSync({
      success: true,
      session: {
        accessToken: 'persisted-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    await initialization;

    expect(useAuthStore.getState().initialized).toBe(true);
  });

  it('retains persisted renderer auth when Main session sync is temporarily unavailable', async () => {
    hostApiFetchMock.mockRejectedValueOnce(new Error('Host API unavailable'));
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'persisted-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      canRefresh: true,
      legacyRefreshToken: 'persisted-refresh-token',
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await useAuthStore.getState().init();

    expect(useAuthStore.getState()).toMatchObject({
      initialized: true,
      accessToken: 'persisted-access-token',
      canRefresh: true,
      legacyRefreshToken: 'persisted-refresh-token',
      user: { username: 'zhangsan' },
      error: null,
    });
    const persisted = JSON.parse(window.localStorage.getItem('niancode-auth') || '{}') as {
      state?: Record<string, unknown>;
    };
    expect(persisted.state?.legacyRefreshToken).toBe('persisted-refresh-token');
  });

  it('does not let a delayed init revive a session after logout', async () => {
    let resolveSync!: (value: unknown) => void;
    hostApiFetchMock
      .mockImplementationOnce(() => new Promise((resolve) => {
        resolveSync = resolve;
      }))
      .mockResolvedValueOnce({ success: true });
    useAuthStore.setState({
      initialized: false,
      authBase: 'https://biz.nianxx.cn/auth/',
      accessToken: 'persisted-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      lastActiveAt: Date.now(),
      canRefresh: true,
      legacyRefreshToken: 'persisted-refresh-token',
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    const initialization = useAuthStore.getState().init();
    await useAuthStore.getState().logout();
    resolveSync({
      success: true,
      session: {
        accessToken: 'late-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    await initialization;

    expect(useAuthStore.getState()).toMatchObject({
      initialized: true,
      loading: false,
      accessToken: null,
      canRefresh: false,
      legacyRefreshToken: null,
      user: null,
    });
  });

  it('does not let delayed browser login revive a Main-terminal session', async () => {
    let resolveLogin!: (value: unknown) => void;
    hostApiFetchMock.mockImplementationOnce(() => new Promise((resolve) => {
      resolveLogin = resolve;
    }));

    const login = useAuthStore.getState().loginWithBrowser();
    useAuthStore.getState().applyMainSession(null);
    resolveLogin({
      success: true,
      token: { access_token: 'late-access-token', username: 'zhangsan' },
      session: {
        accessToken: 'late-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    await login;

    expect(useAuthStore.getState()).toMatchObject({
      initialized: true,
      loading: false,
      accessToken: null,
      canRefresh: false,
      user: null,
    });
  });

  it('does not let a delayed refresh revive an invalidated session', async () => {
    let resolveRefresh!: (value: unknown) => void;
    hostApiFetchMock.mockImplementationOnce(() => new Promise((resolve) => {
      resolveRefresh = resolve;
    }));
    useAuthStore.setState({
      initialized: true,
      accessToken: 'old-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() - 1,
      lastActiveAt: Date.now(),
      canRefresh: true,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    const refresh = useAuthStore.getState().refreshSession();
    useAuthStore.getState().invalidateSession('登录已失效');
    resolveRefresh({
      success: true,
      session: {
        accessToken: 'late-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });

    await expect(refresh).resolves.toBeNull();
    expect(useAuthStore.getState()).toMatchObject({
      accessToken: null,
      canRefresh: false,
      user: null,
      error: '登录已失效',
    });
  });

  it('does not let delayed activity revive an invalidated session', async () => {
    let resolveActivity!: (value: unknown) => void;
    hostApiFetchMock.mockImplementationOnce(() => new Promise((resolve) => {
      resolveActivity = resolve;
    }));
    useAuthStore.setState({
      initialized: true,
      accessToken: 'access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      lastActiveAt: Date.now() - 60_000,
      canRefresh: true,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    const activity = useAuthStore.getState().markActivity();
    useAuthStore.getState().invalidateSession('登录已失效');
    resolveActivity({
      success: true,
      session: {
        accessToken: 'late-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 60_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    await activity;

    expect(hostApiFetchMock).toHaveBeenCalledTimes(1);
    expect(useAuthStore.getState()).toMatchObject({
      accessToken: null,
      canRefresh: false,
      user: null,
      error: '登录已失效',
    });
  });

  it('refreshes the Main-managed session and preserves the user profile', async () => {
    const lastActiveAt = Date.now() - 60_000;
    hostApiFetchMock.mockResolvedValueOnce({
      success: true,
      session: {
        accessToken: 'new-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 120_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    useAuthStore.setState({
      initialized: true,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'old-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 1_000,
      lastActiveAt,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await expect(useAuthStore.getState().refreshSession()).resolves.toBe('new-access-token');

    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/session/refresh', {
      method: 'POST',
      body: JSON.stringify({ forceRefresh: true }),
    });
    expect(useAuthStore.getState().user?.username).toBe('zhangsan');
  });

  it('restores an expired access token when Main reports it can refresh', async () => {
    const lastActiveAt = Date.now() - 24 * 60 * 60 * 1000;
    hostApiFetchMock
      .mockResolvedValueOnce({
        success: true,
        session: {
          accessToken: 'expired-access-token',
          tokenType: 'Bearer',
          expiresAt: Date.now() - 1,
          lastActiveAt,
          canRefresh: true,
        },
      })
      .mockResolvedValueOnce({
        success: true,
        session: {
          accessToken: 'renewed-access-token',
          tokenType: 'Bearer',
          expiresAt: Date.now() + 3600_000,
          lastActiveAt,
          canRefresh: true,
        },
      });
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'expired-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() - 1,
      lastActiveAt,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    expect(useAuthStore.getState().isAuthenticated()).toBe(true);
    await useAuthStore.getState().init();

    expect(hostApiFetchMock).toHaveBeenNthCalledWith(1, '/api/auth/session/sync', {
      method: 'POST',
      body: JSON.stringify({
        accessToken: 'expired-access-token',
        refreshToken: null,
        tokenType: 'Bearer',
        expiresAt: Date.now() - 1,
        lastActiveAt,
      }),
    });
    expect(hostApiFetchMock).toHaveBeenNthCalledWith(2, '/api/auth/session/refresh', {
      method: 'POST',
      body: JSON.stringify({ forceRefresh: false }),
    });
    expect(useAuthStore.getState()).toMatchObject({
      initialized: true,
      accessToken: 'renewed-access-token',
      canRefresh: true,
      legacyRefreshToken: null,
      lastActiveAt,
    });
  });

  it('clears a session when Main rejects it after seven inactive days', async () => {
    hostApiFetchMock.mockRejectedValueOnce(Object.assign(new Error('Unauthorized'), {
      details: { status: 401 },
    }));
    useAuthStore.setState({
      initialized: false,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 3600_000,
      lastActiveAt: Date.now() - 7 * 24 * 60 * 60 * 1000,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await useAuthStore.getState().init();

    expect(hostApiFetchMock).toHaveBeenCalledTimes(1);
    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/session/sync', expect.any(Object));
    expect(useAuthStore.getState()).toMatchObject({
      initialized: true,
      accessToken: null,
      canRefresh: false,
      legacyRefreshToken: null,
      lastActiveAt: null,
      user: null,
    });
  });

  it('persists refresh capability without persisting a new refresh token', async () => {
    hostApiFetchMock.mockResolvedValueOnce({
      success: true,
      session: {
        accessToken: 'new-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 3600_000,
        lastActiveAt: Date.now(),
        canRefresh: true,
      },
    });
    useAuthStore.setState({
      initialized: true,
      accessToken: 'old-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() - 1,
      lastActiveAt: Date.now(),
      canRefresh: true,
      legacyRefreshToken: null,
    });

    await expect(useAuthStore.getState().refreshSession()).resolves.toBe('new-access-token');

    const persisted = JSON.parse(window.localStorage.getItem('niancode-auth') || '{}') as {
      state?: Record<string, unknown>;
    };
    expect(persisted.state).not.toHaveProperty('refreshToken');
    expect(persisted.state).toMatchObject({ canRefresh: true, legacyRefreshToken: null });
  });

  it('does not advance activity while maintaining the session in the background', async () => {
    const lastActiveAt = Date.now() - 24 * 60 * 60 * 1000;
    hostApiFetchMock.mockResolvedValueOnce({
      success: true,
      session: {
        accessToken: 'background-access-token',
        tokenType: 'Bearer',
        expiresAt: Date.now() + 3600_000,
        lastActiveAt,
        canRefresh: true,
      },
    });
    useAuthStore.setState({
      initialized: true,
      accessToken: 'old-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 1_000,
      lastActiveAt,
      canRefresh: true,
      legacyRefreshToken: null,
    });

    await useAuthStore.getState().maintainSession();

    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/session/refresh', {
      method: 'POST',
      body: JSON.stringify({ forceRefresh: false }),
    });
    expect(useAuthStore.getState().lastActiveAt).toBe(lastActiveAt);
  });

  it('persists Main-owned refresh capability received outside a Renderer refresh', () => {
    const lastActiveAt = Date.now() - 60_000;
    useAuthStore.setState({
      initialized: true,
      accessToken: 'old-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      lastActiveAt,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    useAuthStore.getState().applyMainSession({
      accessToken: 'main-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 3600_000,
      lastActiveAt,
      canRefresh: true,
    });

    const persisted = JSON.parse(window.localStorage.getItem('niancode-auth') || '{}') as {
      state?: Record<string, unknown>;
    };
    expect(useAuthStore.getState().user?.username).toBe('zhangsan');
    expect(useAuthStore.getState().lastActiveAt).toBe(lastActiveAt);
    expect(persisted.state).not.toHaveProperty('refreshToken');
    expect(persisted.state).toMatchObject({ canRefresh: true, legacyRefreshToken: null });
  });

  it('clears stale renderer auth when refresh fails', async () => {
    hostApiFetchMock.mockRejectedValueOnce(new Error('Invalid refresh token'));
    useAuthStore.setState({
      initialized: true,
      loading: false,
      error: null,
      authBase: 'https://biz.nianxx.cn/auth/',
      clientId: 'app',
      accessToken: 'expired-access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() - 1,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await expect(useAuthStore.getState().refreshSession()).resolves.toBeNull();

    expect(useAuthStore.getState()).toMatchObject({
      accessToken: null,
      canRefresh: false,
      legacyRefreshToken: null,
      user: null,
    });
  });

  it('logs out remotely and clears the local session', async () => {
    hostApiFetchMock.mockResolvedValueOnce({ success: true });
    useAuthStore.setState({
      authBase: 'https://gateway.example.com/auth',
      clientId: 'app',
      accessToken: 'access-token',
      tokenType: 'Bearer',
      expiresAt: Date.now() + 60_000,
      canRefresh: true,
      legacyRefreshToken: null,
      user: {
        username: 'zhangsan',
        userId: '1',
        tenantId: 7,
        deptId: 9,
        authorities: ['ROLE_USER'],
      },
    });

    await useAuthStore.getState().logout();

    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/logout', {
      method: 'POST',
      body: JSON.stringify({
        accessToken: 'access-token',
      }),
    });
    expect(useAuthStore.getState().isAuthenticated()).toBe(false);
    expect(useAuthStore.getState().accessToken).toBeNull();
    expect(useAuthStore.getState().user).toBeNull();
  });
});