const express = require('express');
const router = express.Router();
const Rider = require('../models/Rider');
const Order = require('../models/Order');

// 骑手登录
router.post('/login', async (req, res) => {
  try {
    const { phone, password } = req.body;
    if (!phone || !password) {
      return res.status(400).json({ success: false, message: '手机号和密码不能为空' });
    }

    const rider = await Rider.findOne({ phone, password });
    if (!rider) {
      return res.status(401).json({ success: false, message: '手机号或密码错误' });
    }

    // 简单生成一个token（实际生产应使用 JWT）
    const token = Buffer.from(`${rider._id}:${Date.now()}`).toString('base64');

    res.json({
      success: true,
      data: {
        id: rider._id,
        riderId: rider.riderId,
        name: rider.name,
        phone: rider.phone,
        status: rider.status,
        rating: rider.rating,
        totalOrders: rider.totalOrders,
        totalIncome: rider.totalIncome,
        token
      }
    });
  } catch (error) {
    res.status(500).json({ success: false, message: error.message });
  }
});

// 获取骑手信息
router.get('/:id', async (req, res) => {
  try {
    const rider = await Rider.findById(req.params.id);
    if (!rider) {
      return res.status(404).json({ success: false, message: '骑手不存在' });
    }
    res.json({ success: true, data: rider });
  } catch (error) {
    res.status(500).json({ success: false, message: error.message });
  }
});

// 更新骑手信息（如状态切换）
router.put('/:id', async (req, res) => {
  try {
    const rider = await Rider.findByIdAndUpdate(
      req.params.id,
      req.body,
      { new: true, runValidators: true }
    );
    if (!rider) {
      return res.status(404).json({ success: false, message: '骑手不存在' });
    }
    res.json({ success: true, data: rider });
  } catch (error) {
    res.status(400).json({ success: false, message: error.message });
  }
});

// 获取骑手的订单
router.get('/:id/orders', async (req, res) => {
  try {
    const orders = await Order.find({ rider: req.params.id })
      .populate('customer', 'name phone')
      .populate('vehicle', 'vehicleId model color')
      .sort({ createdAt: -1 });
    res.json({ success: true, data: orders });
  } catch (error) {
    res.status(500).json({ success: false, message: error.message });
  }
});

module.exports = router;