import Taro from '@tarojs/taro'

// const BASE_URL = 'http://175.24.73.253:8001' // 改为实际后端IP
const BASE_URL = 'http://127.0.0.1:8001' 

class ApiError extends Error {
  constructor(public status: number, message: string) {
    super(message)
  }
}

async function request<T>(
  url: string,
  options: {
    method?: 'GET' | 'POST' | 'PUT' | 'PATCH' | 'DELETE'
    data?: any
    headers?: Record<string, string>
  } = {}
): Promise<T> {
  const token = Taro.getStorageSync('token')
  console.log(`[API] ${options.method || 'GET'} ${url}`, token ? 'with token' : 'no token')
  
  const headers: Record<string, string> = {
    'Content-Type': 'application/json',
    ...options.headers,
  }
  if (token) {
    headers['Authorization'] = `Bearer ${token}`
  }

  const response = await Taro.request({
    url: `${BASE_URL}${url}`,
    method: options.method || 'GET',
    data: options.data,
    header: headers,
  })

  console.log(`[API] Response status:`, response.statusCode)
  
  if (response.statusCode >= 400) {
    const detail = response.data?.detail || 'Request failed'
    throw new ApiError(response.statusCode, detail)
  }

  return response.data
}

export { request, ApiError, BASE_URL }

export function getToken(): string {
  return Taro.getStorageSync('token') || ''
}

export function getCurrentUserId(): number {
  return Taro.getStorageSync('user_id') || 0
}