/**
 * 后端接口请求封装
 *
 * 开发版（开发者工具）走本地 docker，体验版/正式版走线上 HTTPS。
 */

const DEV_BASE_URL = 'http://localhost:3000'
const PROD_BASE_URL = 'https://wxserver.ymxixi.space'

function resolveBaseUrl() {
  try {
    const env = wx.getAccountInfoSync().miniProgram.envVersion
    return env === 'develop' ? DEV_BASE_URL : PROD_BASE_URL
  } catch (e) {
    return DEV_BASE_URL
  }
}

const BASE_URL = resolveBaseUrl()

function request({ url, method = 'POST', data = {}, withOpenid = true }) {
  return new Promise((resolve, reject) => {
    const header = { 'Content-Type': 'application/json' }
    if (withOpenid) {
      const openid = wx.getStorageSync('openid')
      if (openid) header['x-openid'] = openid
    }
    wx.request({
      url: BASE_URL + url,
      method,
      header,
      data,
      timeout: 10000,
      success: (res) => {
        if (res.statusCode >= 200 && res.statusCode < 300) resolve(res.data)
        else reject(new Error(`HTTP ${res.statusCode}`))
      },
      fail: (err) => reject(err)
    })
  })
}

// 登录：用 wx.login 拿 code 换 openid
function login() {
  return new Promise((resolve, reject) => {
    wx.login({
      success: async (loginRes) => {
        try {
          const res = await request({
            url: '/api/login',
            data: { code: loginRes.code },
            withOpenid: false
          })
          if (!res.success) return reject(new Error(res.error || '登录失败'))
          resolve(res)
        } catch (err) {
          reject(err)
        }
      },
      fail: reject
    })
  })
}

// 纪念日操作（兼容原云函数 action 协议）
function anniversary(action, data) {
  return request({ url: '/api/anniversary', data: { action, data } })
}

module.exports = { request, login, anniversary, BASE_URL }