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

Page({
  data: {
    statusBarHeight: 20,
    groups: [],
    loading: true
  },

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

  onShow() {
    // 从详情返回（可能收藏/导入变化）时刷新
    if (!this.data.loading) this.load();
  },

  load() {
    this.setData({ loading: true });
    planSvc.officialGroups().then((res) => {
      this.setData({ groups: (res && res.groups) || [], loading: false });
    }).catch(() => {
      this.setData({ groups: [], loading: false });
    });
  },

  // 计算某计划的跳转地址（供 wxml 使用）
  planTarget(slug) {
    return '/pages/collection-detail/collection-detail?slug=' + encodeURIComponent(slug);
  }
});