const app = getApp();
const svc = require('../../services/exercise');

Page({
  data: {
    statusBarHeight: 20,
    slug: '',
    collection: null,
    exercises: [],
    loading: true,
    page: 1,
    pageSize: 30,
    total: 0
  },

  onLoad(query) {
    const slug = query.slug || '';
    this.setData({ statusBarHeight: app.globalData.statusBarHeight || 20, slug });
    this.load();
  },

  load() {
    this.setData({ loading: true });
    svc.getCollectionExercises(this.data.slug, {
      page: this.data.page,
      pageSize: this.data.pageSize
    }).then((res) => {
      this.setData({
        collection: res.collection,
        exercises: (res && res.items) || [],
        total: (res && res.total) || 0,
        loading: false
      });
    }).catch(() => {
      this.setData({ loading: false });
    });
  },

  onExercise(e) {
    wx.navigateTo({ url: '/pages/detail/detail?id=' + encodeURIComponent(e.detail.id) });
  }
});