import axios from 'axios'

const API_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3001/api'

const api = axios.create({
  baseURL: API_URL,
  headers: {
    'Content-Type': 'application/json',
  },
})

// Interceptor para adicionar token
api.interceptors.request.use((config) => {
  if (typeof window !== 'undefined') {
    const token = localStorage.getItem('token')
    if (token) {
      config.headers.Authorization = `Bearer ${token}`
    }
  }
  return config
})

// Interceptor para tratar erros
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401) {
      if (typeof window !== 'undefined') {
        localStorage.removeItem('token')
        window.location.href = '/login'
      }
    }
    return Promise.reject(error)
  }
)

export default api

// Auth endpoints
export const authAPI = {
  register: (data: any) => api.post('/auth/register', data),
  login: (data: any) => api.post('/auth/login', data),
  forgotPassword: (data: any) => api.post('/auth/forgot-password', data),
  resetPassword: (data: any) => api.post('/auth/reset-password', data),
}

// User endpoints
export const userAPI = {
  getMe: () => api.get('/users/me'),
  updateMe: (data: any) => api.put('/users/me', data),
  getFavorites: () => api.get('/users/favorites'),
  addFavorite: (userId: string) => api.post(`/users/favorites/${userId}`),
  removeFavorite: (userId: string) => api.delete(`/users/favorites/${userId}`),
  blockUser: (userId: string, data: any) => api.post(`/users/blocks/${userId}`, data),
  unblockUser: (userId: string) => api.delete(`/users/blocks/${userId}`),
}

// Profile endpoints
export const profileAPI = {
  getProfile: (username: string) => api.get(`/profiles/${username}`),
  updateProfile: (data: any) => api.put('/profiles/me', data),
  uploadAvatar: (file: File) => {
    const formData = new FormData()
    formData.append('photo', file)
    return api.post('/profiles/me/avatar', formData, {
      headers: { 'Content-Type': 'multipart/form-data' },
    })
  },
}

// Search endpoints
export const searchAPI = {
  searchProfiles: (params: any) => api.get('/search/profiles', { params }),
  searchEvents: (params: any) => api.get('/search/events', { params }),
}

// Message endpoints
export const messageAPI = {
  getConversations: () => api.get('/messages/conversations'),
  getConversation: (userId: string) => api.get(`/messages/conversation/${userId}`),
  sendMessage: (data: any) => api.post('/messages/send', data),
}

// Event endpoints
export const eventAPI = {
  getEvents: (params?: any) => api.get('/events', { params }),
  getEvent: (id: string) => api.get(`/events/${id}`),
  createEvent: (data: any) => {
    const formData = new FormData()
    Object.keys(data).forEach(key => {
      if (data[key] !== null && data[key] !== undefined) {
        formData.append(key, data[key])
      }
    })
    return api.post('/events', formData, {
      headers: { 'Content-Type': 'multipart/form-data' },
    })
  },
  joinEvent: (id: string, data?: any) => api.post(`/events/${id}/join`, data),
  leaveEvent: (id: string) => api.post(`/events/${id}/leave`),
}

// Photo endpoints
export const photoAPI = {
  getPhotos: (userId?: string) => api.get('/photos', { params: { userId } }),
  uploadPhoto: (file: File, data: any) => {
    const formData = new FormData()
    formData.append('photo', file)
    Object.keys(data).forEach(key => {
      formData.append(key, data[key])
    })
    return api.post('/photos', formData, {
      headers: { 'Content-Type': 'multipart/form-data' },
    })
  },
  deletePhoto: (id: string) => api.delete(`/photos/${id}`),
}