const store = require('../../utils/store.js');
const api = require('../../utils/api.js');
const { syncTabBar } = require('../../utils/tabbar.js');

Page({
  data: {
    pet: {},
    report: null,
    gainText: '+0.0',
    bill: null,
    summary: null,
    sheetShow: false,
    sheetType: '',
  },
  onLoad() {
    this._unsub = store.subscribe((pet) => {
      this.setData({ pet });
      if (!this._inited) return; // 首次由 onShow 加载
      this.loadData();
    });
  },
  onUnload() {
    if (this._unsub) this._unsub();
  },
  onShow() {
    syncTabBar(this);
    store
      .ready()
      .then(() => {
        this._inited = true;
        this.setData({ pet: store.getPet() });
        this.loadData();
      })
      .catch((e) => wx.showToast({ title: e.message || '加载失败', icon: 'none' }));
  },
  loadData() {
    const id = store.currentPetId();
    if (!id) return;
    Promise.all([api.weeklyReport(id), api.getBill(id, 'month'), api.healthSummary(id)])
      .then(([report, bill, summary]) => {
        const g = report.weight_gain || 0;
        this.setData({
          report,
          gainText: (g >= 0 ? '+' : '') + g.toFixed(1),
          bill,
          summary,
        });
      })
      .catch(() => {});
  },
  openSheet(e) {
    this.setData({ sheetType: e.currentTarget.dataset.type, sheetShow: true });
  },
  closeSheet() {
    this.setData({ sheetShow: false });
  },
  onAddPet() {
    this.setData({ sheetType: 'addPet', sheetShow: true });
  },
  goHistory() {
    wx.navigateTo({ url: '/pages/history/history' });
  },
  onShareAppMessage() {
    // 带上宠物名，转发出去别人一眼知道是谁家的
    const n = (this.data.pet && this.data.pet.name) || '我家毛孩子';
    return { title: `${n} 的成长报告`, path: '/pages/report/report' };
  },
  onShareTimeline() {
    const n = (this.data.pet && this.data.pet.name) || '我家毛孩子';
    return { title: `${n} 的成长报告` };
  },
});