const app = getApp();
const planSvc = require('../../services/plan');
const auth = require('../../utils/auth');

Page({
  data: {
    statusBarHeight: 20,
    plans: [],
    status: 'loading', // 'loading' | 'list' | 'empty' | 'error'
    errorMsg: ''
  },

  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({ status: 'loading', errorMsg: '' });
    planSvc.listMine().then((plans) => {
      const list = plans || [];
      this.setData({
        plans: list,
        status: list.length ? 'list' : 'empty'
      });
    }).catch((err) => {
      this.setData({
        plans: [],
        status: 'error',
        errorMsg: (err && err.message) ? err.message : '加载失败，请稍后重试'
      });
    });
  },

  onNew() {
    wx.navigateTo({ url: '/pages/plan-edit/plan-edit?mode=new' });
  },

  onOpen(e) {
    wx.navigateTo({ url: '/pages/plan-detail/plan-detail?id=' + encodeURIComponent(e.currentTarget.dataset.id) });
  },

  goOfficial() {
    wx.navigateTo({ url: '/pages/collection/collection' });
  }
});