package com.ruoyi.basic.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.basic.mapper.VehicleMapper;
import com.ruoyi.basic.pojo.Vehicle;
import com.ruoyi.basic.service.IVehicleService;
import com.ruoyi.common.exception.base.BaseException;
import com.ruoyi.common.utils.StringUtils;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * 车辆信息Service业务层处理
 *
 * @author ruoyi
 * @date 2026-09-20
 */
@Service
public class VehicleServiceImpl extends ServiceImpl<VehicleMapper, Vehicle> implements IVehicleService {

    /**
     * 车辆状态：停用。停用的车辆不再出现在出库表单的下拉里
     */
    private static final String STATUS_DISABLED = "停用";

    @Override
    public IPage<Vehicle> selectVehicleList(Page<Vehicle> page, Vehicle vehicle) {
        LambdaQueryWrapper<Vehicle> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotBlank(vehicle.getPlateNumber()), Vehicle::getPlateNumber, vehicle.getPlateNumber())
                .like(StringUtils.isNotBlank(vehicle.getDriverName()), Vehicle::getDriverName, vehicle.getDriverName())
                .eq(StringUtils.isNotBlank(vehicle.getStatus()), Vehicle::getStatus, vehicle.getStatus())
                .orderByAsc(Vehicle::getId);
        return this.page(page, queryWrapper);
    }

    @Override
    public List<Vehicle> selectAll() {
        LambdaQueryWrapper<Vehicle> queryWrapper = new LambdaQueryWrapper<>();
        // status 允许为空，视为启用
        queryWrapper.and(w -> w.isNull(Vehicle::getStatus).or().ne(Vehicle::getStatus, STATUS_DISABLED))
                .orderByAsc(Vehicle::getId);
        return this.list(queryWrapper);
    }

    @Override
    public Vehicle selectVehicleById(Long id) {
        return this.getById(id);
    }

    @Override
    public boolean insertVehicle(Vehicle vehicle) {
        if (StringUtils.isBlank(vehicle.getPlateNumber())) {
            throw new BaseException("车牌号不能为空");
        }
        checkPlateNumberUnique(vehicle);
        return this.save(vehicle);
    }

    @Override
    public boolean updateVehicle(Vehicle vehicle) {
        if (StringUtils.isNotBlank(vehicle.getPlateNumber())) {
            checkPlateNumberUnique(vehicle);
        }
        return this.updateById(vehicle);
    }

    @Override
    public boolean deleteVehicleByIds(Long[] ids) {
        return this.removeByIds(List.of(ids));
    }

    /**
     * 车牌号是车辆的唯一标识，不能重复
     */
    private void checkPlateNumberUnique(Vehicle vehicle) {
        LambdaQueryWrapper<Vehicle> queryWrapper = new LambdaQueryWrapper<Vehicle>()
                .eq(Vehicle::getPlateNumber, vehicle.getPlateNumber());
        if (vehicle.getId() != null) {
            queryWrapper.ne(Vehicle::getId, vehicle.getId());
        }
        if (this.count(queryWrapper) > 0) {
            throw new BaseException("车牌号已存在:" + vehicle.getPlateNumber());
        }
    }
}