/**
 * 活动反馈页 U32
 * 活动结束后开放，用户评价 + 表达进一步了解意向
 */
const api = require('../../utils/api');

Page({
  data: {
    activityId: '',
    activityTitle: '',
    activityEndAt: '',
    overallExperience: '', // very_satisfied / satisfied / normal / dissatisfied
    willingNextTime: '',   // willing / maybe / not_now
    metSomeoneInteresting: null, // true / false / null
    otherParticipants: [],
    selectedInterests: [],
    submitting: false,
    feedbackSubmitted: false
  },

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

  async loadData() {
    try {
      const token = wx.getStorageSync('accessToken');
      // 加载活动信息
      const activityRes = await api.get(`/activities/${this.data.activityId}`, {}, {
        Authorization: `Bearer ${token}`
      });
      this.setData({
        activityTitle: activityRes.title,
        activityEndAt: activityRes.endAt
      });

      // 加载同活动已签到用户列表（仅用于选择意向对象）
      const partsRes = await api.get(`/activities/${this.data.activityId}/participants`, {}, {
        Authorization: `Bearer ${token}`
      });
      this.setData({
        otherParticipants: (partsRes || []).filter(p => p.userId !== wx.getStorageSync('userId'))
      });
    } catch (err) {
      console.error('加载失败', err);
    }
  },

  onOverallChange(e) {
    this.setData({ overallExperience: e.currentTarget.dataset.value });
  },

  onWillingChange(e) {
    this.setData({ willingNextTime: e.currentTarget.dataset.value });
  },

  onMetSomeoneChange(e) {
    this.setData({ metSomeoneInteresting: e.currentTarget.dataset.value === 'yes' ? true : false });
  },

  toggleInterest(userId) {
    const selected = this.data.selectedInterests;
    const idx = selected.indexOf(userId);
    if (idx >= 0) {
      selected.splice(idx, 1);
    } else {
      selected.push(userId);
    }
    this.setData({ selectedInterests: selected });
  },

  async submitFeedback() {
    const { overallExperience, willingNextTime, metSomeoneInteresting, selectedInterests, activityId } = this.data;

    if (!overallExperience || !willingNextTime) {
      wx.showToast({ title: '请填写必填项', icon: 'none' });
      return;
    }

    this.setData({ submitting: true });
    try {
      const token = wx.getStorageSync('accessToken');
      const body = {
        overallExperience,
        willingNextTime,
        metSomeoneInteresting,
        interestTargetUserIds: selectedInterests
      };
      const res = await api.post(`/activities/${activityId}/feedback`, body, {
        Authorization: `Bearer ${token}`
      });
      this.setData({ feedbackSubmitted: true, submitting: false });
      if ((res.newMutuals || []).length > 0) {
        wx.showModal({
          title: '双向匹配成功！',
          content: `您与${res.newMutuals.length}位朋友互相表达了进一步了解意愿，快去缘分中心看看吧`,
          showCancel: false,
          success: () => {
            wx.switchTab({ url: '/pages/fate-center/fate-center' });
          }
        });
      }
    } catch (err) {
      wx.showToast({ title: err.message || '提交失败', icon: 'none' });
      this.setData({ submitting: false });
    }
  },

  skipFeedback() {
    wx.navigateBack();
  }
});