import axios from 'axios'

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

// Add token to requests if available
api.interceptors.request.use(
  (config) => {
    const token = localStorage.getItem('token')
    if (token) {
      config.headers.Authorization = `Bearer ${token}`
    }
    return config
  },
  (error) => Promise.reject(error)
)

// Handle response errors
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401) {
      // Token expired or invalid
      localStorage.removeItem('token')
      localStorage.removeItem('user')
      window.location.href = '/login'
    }
    return Promise.reject(error)
  }
)

export function useApi() {
  return {
    // Auth
    login: async (email, password) => {
      const response = await api.post('/auth/login', { email, password })
      return response.data
    },
    register: async (userData) => {
      const response = await api.post('/auth/register', userData)
      return response.data
    },
    getCurrentUser: async () => {
      const response = await api.get('/users/me')
      return response.data
    },

    // Products
    getProducts: async () => {
      const response = await api.get('/products')
      return response.data
    },
    getProduct: async (id) => {
      const response = await api.get(`/products/${id}`)
      return response.data
    },
    createProduct: async (productData) => {
      const response = await api.post('/products', productData)
      return response.data
    },
    updateProduct: async (id, productData) => {
      const response = await api.put(`/products/${id}`, productData)
      return response.data
    },
    deleteProduct: async (id) => {
      const response = await api.delete(`/products/${id}`)
      return response.data
    },

    // Orders
    getOrders: async () => {
      const response = await api.get('/orders')
      return response.data
    },
    getOrder: async (id) => {
      const response = await api.get(`/orders/${id}`)
      return response.data
    },
    createOrder: async (orderData) => {
      const response = await api.post('/orders', orderData)
      return response.data
    },
  }
}