import { describe, it, expect, vi, beforeEach } from 'vitest'
import { setActivePinia, createPinia } from 'pinia'
import { useUserStore } from '@/store/user'
import * as loginApi from '@/api/login'
import * as auth from '@/utils/auth'

// Mock modules
vi.mock('@/api/login', () => ({
  login: vi.fn(),
  getInfo: vi.fn(),
  logout: vi.fn()
}))

vi.mock('@/utils/auth', () => ({
  getToken: vi.fn(() => ''),
  setToken: vi.fn(),
  removeToken: vi.fn(),
  setRefreshToken: vi.fn(),
  removeRefreshToken: vi.fn()
}))

describe('User Store', () => {
  beforeEach(() => {
    setActivePinia(createPinia())
    vi.clearAllMocks()
  })

  describe('loginAction', () => {
    it('should login successfully and store token', async () => {
      const mockResponse = {
        code: 200,
        message: 'success',
        data: {
          token: 'test-token',
          refreshToken: 'refresh-token',
          admin: {
            id: 1,
            username: 'admin',
            nickname: 'Admin',
            role: 'admin'
          }
        }
      }
      vi.mocked(loginApi.login).mockResolvedValue(mockResponse)

      const store = useUserStore()
      const result = await store.loginAction({ username: 'admin', password: 'password' })

      expect(result.code).toBe(200)
      expect(store.token).toBe('test-token')
      expect(store.userInfo?.username).toBe('admin')
      expect(auth.setToken).toHaveBeenCalledWith('test-token')
      expect(auth.setRefreshToken).toHaveBeenCalledWith('refresh-token')
    })

    it('should not store token on login failure', async () => {
      const mockResponse = {
        code: 401,
        message: '用户名或密码错误',
        data: null
      }
      vi.mocked(loginApi.login).mockResolvedValue(mockResponse)

      const store = useUserStore()
      const result = await store.loginAction({ username: 'wrong', password: 'wrong' })

      expect(result.code).toBe(401)
      expect(store.token).toBe('')
      expect(auth.setToken).not.toHaveBeenCalled()
    })
  })

  describe('getUserInfo', () => {
    it('should fetch and store user info', async () => {
      const mockResponse = {
        code: 200,
        message: 'success',
        data: {
          id: 1,
          username: 'admin',
          nickname: 'Admin',
          role: 'admin'
        }
      }
      vi.mocked(loginApi.getInfo).mockResolvedValue(mockResponse)

      const store = useUserStore()
      const result = await store.getUserInfo()

      expect(result.code).toBe(200)
      expect(store.userInfo?.username).toBe('admin')
      expect(store.userInfo?.role).toBe('admin')
    })
  })

  describe('logoutAction', () => {
    it('should clear token and user info on logout', async () => {
      vi.mocked(loginApi.logout).mockResolvedValue({
        code: 200,
        message: 'success',
        data: null
      })

      const store = useUserStore()
      // Set initial state
      store.token = 'test-token'
      store.userInfo = { id: 1, username: 'admin', nickname: 'Admin', role: 'admin' }

      await store.logoutAction()

      expect(store.token).toBe('')
      expect(store.userInfo).toBeNull()
      expect(auth.removeToken).toHaveBeenCalled()
      expect(auth.removeRefreshToken).toHaveBeenCalled()
    })

    it('should clear state in finally block even if logout API fails', async () => {
      vi.mocked(loginApi.logout).mockRejectedValue(new Error('Network error'))

      const store = useUserStore()
      store.token = 'test-token'
      store.userInfo = { id: 1, username: 'admin', nickname: 'Admin', role: 'admin' }

      // logoutAction uses try/finally without catch, so error will propagate
      // but finally block still clears the state
      try {
        await store.logoutAction()
      } catch {
        // Expected to throw
      }

      // State should be cleared in finally block
      expect(store.token).toBe('')
      expect(store.userInfo).toBeNull()
      expect(auth.removeToken).toHaveBeenCalled()
      expect(auth.removeRefreshToken).toHaveBeenCalled()
    })
  })

  describe('resetToken', () => {
    it('should clear all auth state', () => {
      const store = useUserStore()
      store.token = 'test-token'
      store.userInfo = { id: 1, username: 'admin', nickname: 'Admin', role: 'admin' }

      store.resetToken()

      expect(store.token).toBe('')
      expect(store.userInfo).toBeNull()
      expect(auth.removeToken).toHaveBeenCalled()
      expect(auth.removeRefreshToken).toHaveBeenCalled()
    })
  })
})