const { referralService } = require('../../services');

const STATUS_LABEL = {
  submitted: '待您确认',
  pending_confirmation: '待您确认',
  confirmed: '已确认',
  cancelled: '已取消',
  completed: '已完成',
};

Page({
  data: { loading: true, error: '', referrals: [], confirmingId: '' },

  onShow() { this.load(); },

  async load() {
    this.setData({ loading: true, error: '' });
    try {
      const list = await referralService.getMyReferralHistory();
      this.setData({
        referrals: (list || []).map((item) => ({
          id: item.id,
          referralDisplayId: item.referralDisplayId,
          targetType: item.type,
          title: item.type === 'activity' ? '公益活动转介' : '服务站转介',
          detail: item.type === 'activity' ? (item.activityDisplayId || '公益活动') : (item.serviceType || '公益服务'),
          status: item.userConfirmedAt ? 'confirmed' : (item.status || 'pending_confirmation'),
          statusText: item.userConfirmedAt ? '已确认' : (STATUS_LABEL[item.status] || '待您确认'),
          createdAt: item.createdAt || item.registeredAt || '',
        })),
        loading: false,
      });
    } catch (error) {
      this.setData({ loading: false, error: (error && error.message) || '加载失败，请稍后重试' });
    }
  },

  async confirm(e) {
    const item = this.data.referrals[Number(e.currentTarget.dataset.index)];
    if (!item || item.status === 'confirmed' || this.data.confirmingId) return;
    this.setData({ confirmingId: item.id });
    try {
      await referralService.confirmReferral(item.id, item.targetType);
      wx.showToast({ title: '已确认', icon: 'success' });
      await this.load();
    } catch (error) {
      wx.showToast({ title: (error && error.message) || '确认失败，请重试', icon: 'none' });
    } finally {
      this.setData({ confirmingId: '' });
    }
  },
});