// packageI/donation_project/donationProjectSearch/donationProjectSearch.js
var app = getApp();
Page({

  /**
   * 页面的初始数据
   */
  data: {
    searchText: "",

    page: 1, //分页数，当前页数
    isLoadMore: true, //判断是否要加载更多的标志
    total_page: 0, //总页数
    listData: [],
    networkLoading: false,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {

  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  initData() {
    this.setData({
      page: 1,
      total_page: 0,
      isLoadMore: true,
      networkLoading: false,
    });
  },
  getListData(evt) {
    let searchText=evt.detail.value;
    if(searchText=='')return app.tips('请输入关键字搜索');
    this.data.searchText = searchText;
    this.initData();
    let urlStr = app.getNetAddresss("plugin.present-project.frontend.project.index");

    let json = {
      search_kwd: searchText
    };
    app._postNetWork({
      url: urlStr,
      data: json,
      success: (resdata) => {
        var res = resdata.data;
        if (res.result != 1) return app.tips(res.msg);
        this.data.total_page = res.data.person_list.last_page;
        if (!this.data.total_page) {
          this.data.total_page = 0;
        }
        this.setData({
          listData: res.data.person_list.data,
          networkLoading: true,
        });
      },
    });
  },

  //加载更多数据
  _getMoreData() {
    this.data.isLoadMore = false; // 防止多次请求分页数据
    if (this.data.page >= this.data.total_page) {
      // that.loading = true;
      return;
    } else {
      this.data.page += 1;
      let urlStr = app.getNetAddresss("plugin.present-project.frontend.project.index");
      let {
        searchText
      } = this.data;
      let json = {
        search_kwd: searchText,
        page: this.data.page
      };

      app._postNetWork({
        url: urlStr,
        data: json,
        success: (resdata) => {
          let res = resdata.data;
          this.data.isLoadMore = true;
          if (res.result === 1) {
            let listData = this.data.listData.concat(res.data.person_list.data);
            this.setData({
              listData
            });
          } else {
            this.data.page = this.data.page - 1;
            this.data.isLoadMore = false;
          }
        },
      });
    }
  },


  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    if (this.data.isLoadMore) {
      this._getMoreData();
    } else {
      console.log("没有更多数据");
    }
  },

  getDetails(evt){
    let id = evt.currentTarget.dataset.id;
    let url = `/packageI/donation_project/donationProjectDetails/donationProjectDetails?id=${id}`;
    wx.navigateTo({url});
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
});