/**
 * 联系授权确认页（C 端用户，ZC-MM-003 / B1 例外通道）
 *
 * PIPL 单独同意契约：
 * - 授权目的 / 渠道 / 有效期窗口逐条明示后才可操作；
 * - 同意与拒绝是两个独立按钮，无预勾选、无捆绑（后端亦为独立 POST 端点，
 *   守卫 MatchmakerContactGuardTest ④ 锁定）；
 * - 数据源 GET /contact-authorizations/my（pendingConsent 待同意队列 + 全部记录）。
 */
const api = require('../../utils/api');

const CHANNEL_LABELS = {
  phone: '电话联系',
  offline_meeting: '线下见面',
  full_contact: '完整联系方式',
};

Page({
  data: {
    loading: true,
    pendingConsent: [],
    history: [],
  },

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

  async loadAuthorizations() {
    this.setData({ loading: true });
    try {
      const res = await api.get('/contact-authorizations/my');
      if (res.success) {
        const pending = (res.data.pendingConsent || []).map((item) => this.decorate(item));
        const history = (res.data.list || []).map((item) => this.decorate(item));
        this.setData({ pendingConsent: pending, history });
      }
    } catch (err) {
      console.error('加载联系授权失败:', err);
    } finally {
      this.setData({ loading: false });
    }
  },

  /** 渠道/状态/有效期 → 中文展示（枚举码不上屏） */
  decorate(item) {
    const labels = {
      pending_approval: '待审批', pending_consent: '待你确认', active: '生效中',
      rejected: '已拒绝', expired: '已过期', revoked: '已撤销',
    };
    return Object.assign({}, item, {
      channelLabel: CHANNEL_LABELS[item.channel] || item.channel,
      statusLabel: labels[item.status] || item.status,
      expireText: item.expiresAt ? this.formatTime(item.expiresAt) : '',
    });
  },

  formatTime(timeStr) {
    if (!timeStr) return '';
    const d = new Date(timeStr);
    return `${d.getFullYear()}-${d.getMonth() + 1}-${d.getDate()} ${d.getHours()}:${String(d.getMinutes()).padStart(2, '0')}`;
  },

  /** 独立同意（单独明示动作，无捆绑参数） */
  async onConsent(e) {
    const id = e.currentTarget.dataset.id;
    const item = this.data.pendingConsent.find((a) => a.id === id);
    if (!item) return;
    wx.showModal({
      title: '确认同意联系授权',
      content: `同意「${item.channelLabel}」：${item.purpose}。同意后红娘可在有效期内通过该方式联系你。`,
      confirmText: '同意',
      cancelText: '再想想',
      success: async (res) => {
        if (!res.confirm) return;
        try {
          const resp = await api.post(`/contact-authorizations/${id}/consent`);
          if (resp.success) {
            wx.showToast({ title: '已同意', icon: 'success' });
            this.loadAuthorizations();
          }
        } catch (err) {
          wx.showToast({ title: '操作失败', icon: 'none' });
        }
      },
    });
  },

  /** 独立拒绝 */
  async onDecline(e) {
    const id = e.currentTarget.dataset.id;
    try {
      const resp = await api.post(`/contact-authorizations/${id}/decline`);
      if (resp.success) {
        wx.showToast({ title: '已拒绝', icon: 'none' });
        this.loadAuthorizations();
      }
    } catch (err) {
      wx.showToast({ title: '操作失败', icon: 'none' });
    }
  },
});