const express = require('express');
const router = express.Router();
const VehicleType = require('../models/VehicleType');
const { authMiddleware, requireRole } = require('../middleware/auth');

// 获取所有车型（所有登录用户均可浏览）
router.get('/', authMiddleware, async (req, res) => {
  try {
    const filter = {};
    if (req.query.storeId) filter.storeId = req.query.storeId;
    const vehicleTypes = await VehicleType.find(filter).sort({ createdAt: -1 });
    res.json({ success: true, data: vehicleTypes });
  } catch (error) {
    res.status(500).json({ success: false, message: '服务器内部错误' });
  }
});

// 创建车型（需 admin 或 store）
router.post('/', authMiddleware, requireRole('admin', 'store'), async (req, res) => {
  try {
    const vehicleType = new VehicleType(req.body);
    await vehicleType.save();
    res.status(201).json({ success: true, data: vehicleType });
  } catch (error) {
    res.status(400).json({ success: false, message: '服务器内部错误' });
  }
});

// 更新车型（需 admin 或 store）
router.put('/:id', authMiddleware, requireRole('admin', 'store'), async (req, res) => {
  try {
    const vehicleType = await VehicleType.findByIdAndUpdate(
      req.params.id,
      req.body,
      { new: true, runValidators: true }
    );
    if (!vehicleType) {
      return res.status(404).json({ success: false, message: '车型不存在' });
    }
    res.json({ success: true, data: vehicleType });
  } catch (error) {
    res.status(400).json({ success: false, message: '服务器内部错误' });
  }
});

// 删除车型（需 admin 或 store）
router.delete('/:id', authMiddleware, requireRole('admin', 'store'), async (req, res) => {
  try {
    const vehicleType = await VehicleType.findByIdAndDelete(req.params.id);
    if (!vehicleType) {
      return res.status(404).json({ success: false, message: '车型不存在' });
    }
    res.json({ success: true, message: '车型已删除' });
  } catch (error) {
    res.status(500).json({ success: false, message: '服务器内部错误' });
  }
});

module.exports = router;