const DEFAULT_API_BASE_URL = 'https://ghxiangqin.com/api/v1'
const API_BASE_URL_KEY = 'api_base_url'
const CUSTOMER_SERVICE_WECHAT_KEY = 'customer_service_wechat'

function getApiBaseUrl() {
  return normalizeApiBaseUrl(wx.getStorageSync(API_BASE_URL_KEY) || DEFAULT_API_BASE_URL)
}

function normalizeApiBaseUrl(url) {
  let value = String(url || '').trim()
  if (!value) {
    return DEFAULT_API_BASE_URL
  }
  if (/^https?:\/\/[^/]/i.test(value)) {
    value = value.replace(/^([a-z]+:)\/(?!\/)/i, '$1//')
  }
  if (/^https?:\/\/[^/]+\/https?:\/\//i.test(value)) {
    value = value.replace(/^https?:\/\/[^/]+\//i, '')
  }
  if (/^\/v1\//i.test(value)) {
    value = value.replace(/^\/v1\//i, '/api/v1/')
  }
  if (/^\/static\//i.test(value)) {
    value = `/api/v1${value}`
  }
  if (/^https?:\/\/[^/]+\/v1\//i.test(value)) {
    value = value.replace(/^https?:\/\/[^/]+\/v1\//i, 'https://ghxiangqin.com/api/v1/')
  }
  if (!/^https?:\/\//i.test(value) && !value.startsWith('/')) {
    value = `https://${value}`
  }
  return value.replace(/\/+$/, '')
}

function setApiBaseUrl(url) {
  if (!url) {
    return
  }
  wx.setStorageSync(API_BASE_URL_KEY, url)
}

function getCustomerServiceWechat() {
  return wx.getStorageSync(CUSTOMER_SERVICE_WECHAT_KEY) || 'service_wechat_001'
}

function setCustomerServiceWechat(value) {
  if (!value) {
    return
  }
  wx.setStorageSync(CUSTOMER_SERVICE_WECHAT_KEY, value)
}

module.exports = {
  DEFAULT_API_BASE_URL,
  API_BASE_URL_KEY,
  CUSTOMER_SERVICE_WECHAT_KEY,
  getApiBaseUrl,
  normalizeApiBaseUrl,
  setApiBaseUrl,
  getCustomerServiceWechat,
  setCustomerServiceWechat
}