// HTTP请求配置
import { getApiBaseUrl, getCurrentEnv, getUserAuth, isDebugMode } from './env.js'

/**
 * 自定义API错误类
 */
class ApiError extends Error {
  constructor(message, options = {}) {
    super(message)
    this.name = 'ApiError'
    this.status = options.status || null // HTTP状态码
    this.errorCode = options.errorCode || null // 业务错误码 (如: 6010)
    this.errorCodeName = options.errorCodeName || null // 错误码名称 (如: "TEAM_NOT_FOUND")
    this.errorMsg = options.errorMsg || null // 业务错误消息
    this.time = options.time || null // API响应时间戳
    this.extValues = options.extValues || null // 扩展值
    this.response = options.response || null // 原始响应数据
    this.type = options.type || 'unknown' // 错误类型: 'http' | 'business' | 'network'
  }
}

const API_BASE_URL = getApiBaseUrl()
const NODE_ENV = getCurrentEnv()
const DEBUG_MODE = isDebugMode()

// 环境信息日志
if (DEBUG_MODE) {
  console.log('🌍 Current Environment:', NODE_ENV)
  console.log('🔗 API Base URL:', API_BASE_URL)
}

const token = getUserAuth()
// 默认公共请求头配置
let COMMON_HEADERS = {
  authorization: `Bearer ${token}`,
  'req-app-intel': 'version=1.0.0;build=1;model=SM-G9550;sysVersion=9;channel=Google',
  'req-client': 'Android',
  'req-imei': '8fa54d728ab449e04f9292329ed44bda',
  'req-lang': 'id-ID',
  'req-sys-origin': 'origin=LIKEI;originChild=LIKEI',
  'req-version': 'V2',
  'req-zone': 'Asia/Shanghai',
}

/**
 * 更新公共请求头
 * @param {object} headers - 要更新的请求头
 */
export function updateCommonHeaders(headers) {
  COMMON_HEADERS = {
    ...COMMON_HEADERS,
    ...headers,
  }
  console.debug('🔄 Updated common headers:', COMMON_HEADERS)
}

/**
 * 从APP头部信息设置HTTP请求头
 * @param {object} headerInfo - APP传递的头部信息
 */
export function setHeadersFromApp(headerInfo) {
  const updatedHeaders = {}

  // 设置Authorization
  if (headerInfo.authorization) {
    updatedHeaders.authorization = headerInfo.authorization
  }

  // 设置语言
  if (headerInfo.reqLang) {
    updatedHeaders['req-lang'] = headerInfo.reqLang
  }

  // 设置APP信息
  if (headerInfo.appVersion || headerInfo.buildVersion || headerInfo.appChannel) {
    const appIntelParts = []
    if (headerInfo.appVersion) appIntelParts.push(`version=${headerInfo.appVersion}`)
    if (headerInfo.buildVersion) appIntelParts.push(`build=${headerInfo.buildVersion}`)
    if (headerInfo.appChannel) appIntelParts.push(`channel=${headerInfo.appChannel}`)

    if (appIntelParts.length > 0) {
      updatedHeaders['req-app-intel'] = appIntelParts.join(';')
    }
  }

  // 设置设备信息
  if (headerInfo.reqImei) {
    updatedHeaders['req-imei'] = headerInfo.reqImei
  }

  // 设置系统来源
  if (headerInfo.sysOrigin) {
    const sysOriginParts = [`origin=${headerInfo.sysOrigin}`]
    if (headerInfo.sysOriginChild) {
      sysOriginParts.push(`child=${headerInfo.sysOriginChild}`)
    }
    updatedHeaders['req-sys-origin'] = sysOriginParts.join(';')
  }

  updateCommonHeaders(updatedHeaders)
}

// 在http.js中添加导出
export { COMMON_HEADERS, ApiError }

/**
 * 通用HTTP请求函数
 * @param {string} url - 请求URL
 * @param {object} options - 请求选项
 * @returns {Promise} - 返回Promise对象
 */
export async function request(url, options = {}) {
  const { method = 'GET', data = null, headers = {}, ...otherOptions } = options
  const fullUrl = url.startsWith('http') ? url : `${API_BASE_URL}${url}`

  const config = {
    method,
    headers: {
      ...COMMON_HEADERS,
      ...headers,
    },
    ...otherOptions,
  }

  // 如果是POST、PUT等方法且有数据，添加body
  if (data && ['POST', 'PUT', 'PATCH'].includes(method.toUpperCase())) {
    if (data instanceof FormData) {
      // FormData类型：由浏览器自动设置Content-Type
      config.body = data
      // 删除手动设置的Content-Type（重要！）
      if (config.headers['Content-Type']) {
        delete config.headers['Content-Type']
      }
    } else {
      // 非FormData：按JSON处理
      config.body = JSON.stringify(data)
      config.headers['Content-Type'] = 'application/json'
    }
  }

  try {
    const response = await fetch(fullUrl, config)

    if (!response.ok) {
      // 尝试解析响应体获取更多错误信息
      let errorData = await response.json()

      throw new ApiError(`HTTP Error: ${response.status} ${response.statusText}`, {
        type: 'http',
        status: response.status,
        response: errorData,
        errorCode: errorData.errorCode,
        errorCodeName: errorData.errorCodeName,
        errorMsg: errorData.errorMsg,
        time: errorData.time,
      })
    }

    const result = await response.json()

    // 检查业务状态
    if (result.status === false) {
      throw new ApiError(result.errorMsg || result.message || `API Error: ${result.errorCode}`, {
        type: 'business',
        status: response.status,
        response: result,
        errorCode: result.errorCode,
        errorCodeName: result.errorCodeName,
        errorMsg: result.errorMsg,
        time: result.time,

        extValues: result.extValues,
      })
    }

    return result
  } catch (error) {
    if (DEBUG_MODE) {
      console.error('❌ API Error:', error)
    }

    // 如果是网络错误或其他未知错误，包装成ApiError
    if (!(error instanceof ApiError)) {
      throw new ApiError(error.message || 'Network or unknown error', {
        type: 'network',
        originalError: error,
        code: 'NETWORK_ERROR',
      })
    }

    throw error
  }
}

/**
 * GET请求
 * @param {string} url - 请求URL
 * @param {object} options - 请求选项
 * @returns {Promise}
 */
export function get(url, options = {}) {
  return request(url, { ...options, method: 'GET' })
}

/**
 * POST请求
 * @param {string} url - 请求URL
 * @param {object} data - 请求数据
 * @param {object} options - 请求选项
 * @returns {Promise}
 */
export function post(url, data, options = {}) {
  return request(url, { ...options, method: 'POST', data })
}

/**
 * PUT请求
 * @param {string} url - 请求URL
 * @param {object} data - 请求数据
 * @param {object} options - 请求选项
 * @returns {Promise}
 */
export function put(url, data, options = {}) {
  return request(url, { ...options, method: 'PUT', data })
}

/**
 * DELETE请求
 * @param {string} url - 请求URL
 * @param {object} options - 请求选项
 * @returns {Promise}
 */
export function del(url, options = {}) {
  return request(url, { ...options, method: 'DELETE' })
}