import Toast from 'tdesign-miniprogram/toast/index';
import config from '../../../config/index';

Page({
  data: {
    orderNo: '',
    orderItems: [],
    loading: true,
  },

  onLoad(options) {
    const { orderNo } = options;
    if (orderNo) {
      this.setData({ orderNo });
      this.fetchOrderItems();
    } else {
      Toast({
        context: this,
        selector: '#t-toast',
        message: '订单号不能为空',
        icon: 'error',
      });
      setTimeout(() => {
        wx.navigateBack();
      }, 1500);
    }
  },

  // 获取订单商品列表
  async fetchOrderItems() {
    try {
      wx.showLoading({
        title: '加载中...',
        mask: true
      });

      const token = wx.getStorageSync('token');
      if (!token) {
        Toast({
          context: this,
          selector: '#t-toast',
          message: '请先登录',
          icon: 'error',
        });
        setTimeout(() => {
          wx.navigateTo({
            url: '/pages/login/index'
          });
        }, 1500);
        return;
      }

      const res = await new Promise((resolve, reject) => {
        wx.request({
          url: `${config.apiBase}/api/v1/orders/${this.data.orderNo}`,
          method: 'GET',
          header: {
            'Content-Type': 'application/json',
            'Authorization': `Bearer ${token}`
          },
          success: resolve,
          fail: reject
        });
      });

      wx.hideLoading();

      if (res.statusCode === 200 && res.data.code === 200) {
        const order = res.data.data;
        const orderItems = order.order_items || [];
        
        // 过滤出可以评论的商品（已确认收货且未评论）
        const commentableItems = orderItems.filter(item => 
          order.status === 'completed' && !item.is_commented
        );

        this.setData({
          orderItems: commentableItems,
          loading: false
        });

        if (commentableItems.length === 0) {
          Toast({
            context: this,
            selector: '#t-toast',
            message: '暂无可评论的商品',
            icon: 'info',
          });
        }
      } else {
        throw new Error(res.data.message || '获取订单信息失败');
      }
    } catch (error) {
      wx.hideLoading();
      console.error('获取订单商品失败:', error);
      Toast({
        context: this,
        selector: '#t-toast',
        message: error.message || '网络错误，请重试',
        icon: 'error',
      });
      this.setData({ loading: false });
    }
  },

  // 点击评论商品
  onCommentItem(e) {
    const { item } = e.currentTarget.dataset;
    wx.navigateTo({
      url: `/pages/order/comment/index?orderNo=${this.data.orderNo}&orderItemId=${item.id}`,
    });
  },

  // 返回上一页
  onBack() {
    wx.navigateBack();
  },

  // 下拉刷新
  onPullDownRefresh() {
    this.fetchOrderItems().finally(() => {
      wx.stopPullDownRefresh();
    });
  }
});