/**
 * 签到码页 U31
 */
const api = require('../../utils/api');

Page({
  data: {
    activityId: '',
    activityTitle: '',
    locationName: '',
    token: '',
    expiresAt: '',
    loading: true,
    error: ''
  },

  onLoad(options) {
    if (options.id) {
      this.setData({ activityId: options.id });
      this.loadCheckinToken();
    }
  },

  onShow() {
    // 每次显示时刷新Token
    if (this.data.activityId) {
      this.loadCheckinToken();
    }
  },

  async loadCheckinToken() {
    this.setData({ loading: true, error: '' });
    try {
      const token = wx.getStorageSync('accessToken');
      const res = await api.post(`/activities/${this.data.activityId}/checkin-token`, {}, {
        Authorization: `Bearer ${token}`
      });
      this.setData({
        token: res.token,
        activityTitle: res.activityTitle,
        locationName: res.locationName,
        expiresAt: res.expiresAt,
        loading: false
      });
    } catch (err) {
      this.setData({ loading: false, error: err.message || '加载失败' });
    }
  },

  onRefresh() {
    this.loadCheckinToken();
  },

  copyToken() {
    wx.setClipboardData({
      data: this.data.token,
      success: () => wx.showToast({ title: '签到码已复制', icon: 'success' })
    });
  }
});