photography/frontend/lib/api.ts

import axios from 'axios'

// 创建axios实例
const api = axios.create({
  baseURL: process.env.NEXT_PUBLIC_USE_REAL_API === 'true' 
    ? (process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8080/api/v1')
    : (process.env.NEXT_PUBLIC_MOCK_API_URL || 'http://localhost:3001/api'),
  timeout: 10000,
  headers: {
    'Content-Type': 'application/json',
  },
})

// 请求拦截器
api.interceptors.request.use(
  (config) => {
    // 可以在这里添加token等认证信息
    // 检查是否在浏览器环境中
    if (typeof window !== 'undefined') {
      const token = localStorage.getItem('token')
      if (token) {
        config.headers.Authorization = `Bearer ${token}`
      }
    }
    return config
  },
  (error) => {
    return Promise.reject(error)
  }
)

// 响应拦截器
api.interceptors.response.use(
  (response) => {
    // 处理后端API的响应格式: { code: number, message: string, data: any }
    if (process.env.NEXT_PUBLIC_USE_REAL_API === 'true') {
      const { code, message, data } = response.data
      if (code !== 200) {
        return Promise.reject(new Error(message || '请求失败'))
      }
      return data // 返回data部分
    }
    // Mock API直接返回数据
    return response.data
  },
  (error) => {
    if (error.response?.status === 401) {
      // 处理未授权 - 仅在浏览器环境中执行
      if (typeof window !== 'undefined') {
        localStorage.removeItem('token')
        window.location.href = '/login'
      }
    }
    return Promise.reject(error)
  }
)

export default api