const http = uni.$u.http;
const {
  environment
} = require('@/config/environment.js')

/**
 * 混入默认个性化配置
 * @param {*} config
 * @returns
 */
function mixinCustom(config) {
  config.custom = Object.assign({
    auth: true,
    toast: true,
    catch: true,
    loading: true
  }, config.custom || {});
  return config;
}

/**
 * 格式化get请求url参数，将对象解析为字符串
 * @param {*} url
 * @param {*} params
 * @returns
 */
function urlFormater(url, params) {
  if (params) {
    let paramList = [];
    for (let key in params) {
      paramList.push(key + '=' + params[key])
    }
    return url.indexOf('?') > -1 ? (url + '&' + paramList.join('&')) : (url + '?' + paramList.join('&'))
  }
  return url;
}

const request = {
  // post提交
  post(url, params, isLoading, config = {}) {
    url = environment.baseApi + url
    config = mixinCustom(config)
    loadingFun(isLoading)
    return http.post(url, params, config);
  },
  // get提交
  get(url, params, isLoading, config = {}) {
    url = environment.baseApi + url
    config = mixinCustom(config)
    let path = urlFormater(url, params)
    loadingFun(isLoading)
    return http.get(path, config);
  },

  // put提交
  put(url, params, isLoading, config = {}) {
    url = environment.baseApi + url
    config = mixinCustom(config)
    loadingFun(isLoading)
    return http.put(url, params, config);
  },

  // delete提交
  delete(url, params, isLoading, config = {}) {
    url = environment.baseApi + url
    config = mixinCustom(config)
    loadingFun(isLoading)
    return http.delete(url, params, config);
  },
};

function loadingFun(isLoading) {
  if (isLoading) {
    uni.showLoading({
      title: '加载中...',
      mask: true
    })
  }
}
export default request;