const { get } = require('../../../utils/http');
const tabService = require("../../../utils/tab-serve");

Page({
  data: {
    homeworkList: [],
    pageIndex: 1,
    pageSize: 20,
    hasMore: true,
    isLoading: false,
  },

  onLoad() {
    console.log("页面加载 - onLoad 触发");
    this.loadHomework(false);
    console.log("页面加载完成 - onLoad 触发");
  },

  onShow(){
    tabService.updateIndex(this,2)

  },

  // 加载作业列表
  loadHomework(isRefresh) {
    this.setData({ isLoading: true });
    get("ClientSide/Articles", { pageIndex: this.data.pageIndex,pageSize: this.data.pageSize })
      .then(res => {
        wx.hideLoading();
        console.log("res:",res);
        console.log(isRefresh)
        if (res.success) {
          if(isRefresh){
            console.log('bbbb')
            wx.stopPullDownRefresh()
            wx.showToast({
              title: '刷新成功！',
              icon:'none'
            })
          }
          const newList = this.processHomeworkData(res.data.datas || []);
          this.setData({
            homeworkList: this.data.pageIndex === 1 ? newList : [...this.data.homeworkList, ...newList],
            pageIndex: this.data.pageIndex + 1,
            hasMore: newList.length >= this.data.pageSize,
            totalCount: res.data.total || 0
          });
        } else {
          wx.showToast({ title: res.message || "加载失败", icon: "none" });
        }
      })
      .catch(err => {
        wx.hideLoading();
        console.error("加载作业失败:", err);
        wx.showToast({ title: "网络错误", icon: "none" });
      })
      .finally(() => {
        this.setData({ isLoading: false });
      });
  },


  // 下拉刷新
  onPullDownRefresh() {
    this.setData({ pageIndex: 1, hasMore: true }, () => {
      this.loadHomework(true);
    });
    wx.stopPullDownRefresh()
    wx.showToast({
      title: '刷新成功',
      icon:'none'
    })
  },

  //上拉加载
  onReachBottom: function() {
    if(!this.data.hasMore) return
    this.loadHomework(false)
  },

  // 处理数据
  processHomeworkData(data) {
    console.log(data[0].updateDate)
    return data.map(item => ({
      id: item.id,
      title: item.title,
      detail: item.abstract,
      summary: item.summary || "暂无摘要",
      url: item.articleUrl,
      thumb_url: item.coverImage || "/static/logo.png",
      update_time:item.updateDate.replace('-','年').replace('-','月').replace(' ','日').slice(0,11)
    }));
  },

  // 跳转详情页
  goToDetail(event) {
    const url = event.currentTarget.dataset.url;
    wx.navigateTo({ url: `/subpackage/teacher/articledetails/articledetails?url=${encodeURIComponent(url)}` });
  }
});