const app = getApp();
const favSvc = require('../../services/favorite');
const auth = require('../../utils/auth');

Page({
  data: {
    statusBarHeight: 20,
    list: [],
    loading: true,
    managing: false
  },

  onLoad() {
    this.setData({ statusBarHeight: app.globalData.statusBarHeight || 20 });
  },

  onShow() {
    if (auth.isLogin()) this.load();
    else {
      wx.showToast({ title: '请先登录', icon: 'none' });
      setTimeout(() => wx.navigateBack(), 600);
    }
  },

  load() {
    this.setData({ loading: true });
    favSvc.listExercises().then((list) => {
      this.setData({ list: list || [], loading: false });
    }).catch(() => {
      this.setData({ list: [], loading: false });
    });
  },

  onManage() {
    this.setData({ managing: !this.data.managing });
  },

  onRemove(e) {
    const id = e.currentTarget.dataset.id;
    favSvc.removeExercise(id).then(() => {
      const list = this.data.list.filter(i => i.id !== id);
      this.setData({ list });
      wx.showToast({ title: '已移除', icon: 'none' });
    }).catch(() => {});
  },

  onExercise(e) {
    if (this.data.managing) return;
    wx.navigateTo({ url: '/pages/detail/detail?id=' + encodeURIComponent(e.detail.id) });
  },

  goRecommend() {
    wx.navigateTo({ url: '/pages/recommend/recommend' });
  }
});