import {Cookie} from "./cookie";

/**
 * 微信网络请求接口的封装，使其能够支持简单的cookie保存发送功能
 */
export class Session {
  cookies = {}
  constructor(){

  }
  set_cookie(cookie){
    this.cookies[cookie.key] = cookie;
  }
  get cookie_str(){
    let cookie_strs = Object.values(this.cookies).map(cookie=>cookie.toString());
    return cookie_strs.join(";");
  }
  request({url, data, header, method, dataType, responseType, success, fail, complete}) {
    console.log("request data and headers: ");
    console.log({url: url, data: data, header: {...header, "Cookie": this.cookie_str}, method: method, dataType: dataType, responseType: responseType})

    return wx.request({
      url: url,
      data: data,
      header: {...header, "Cookie": this.cookie_str},
      method: method,
      dataType: dataType,
      responseType: responseType,
      success: (res) => {
        if ("cookies" in res) {
          let cookies = res["cookies"];
          for (var i = 0; i < cookies.length; i++) {
            this.set_cookie(new Cookie(cookies[i]));
          }
          console.log("set new cookies:");
          console.log(this.cookies);
        } else {
          console.warn("request.js: no cookies setted in this request");
        }
        if (typeof success == "function") {
          success(res);
        } else {
          console.warn("requests.session.request.success is not function");
        }
      },
      fail: fail,
      complete: complete
    });

  }
  uploadFile({url, filePath, name, header, formData, success, fail, complete}){
    return wx.uploadFile({
      url: url,
      filePath: filePath,
      name: name,
      header: {...header, "content-type": "multipart/form-data", "Cookie": this.cookie_str},
      formData: formData,
      success: success,
      fail: fail,
      complete: complete
    })
  }
  downloadFile({url, header, filePath, success, fail, complete}){
    return wx.downloadFile({
      url: url,
      header: {...header, "Cookie": this.cookie_str},
      filePath: filePath,
      success: success,
      fail: fail,
      complete: complete
    })
  }
}