package com.gkhy.hazmat.system.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gkhy.hazmat.common.api.CommonPage;
import com.gkhy.hazmat.common.constant.UserConstant;
import com.gkhy.hazmat.common.domain.entity.SysUser;
import com.gkhy.hazmat.common.enums.UserTypeEnum;
import com.gkhy.hazmat.common.exception.ApiException;
import com.gkhy.hazmat.common.utils.PageUtils;
import com.gkhy.hazmat.common.utils.SecurityUtils;
import com.gkhy.hazmat.system.domain.HzWarehouse;
import com.gkhy.hazmat.system.mapper.HzWarehouseMapper;
import com.gkhy.hazmat.system.service.HzWarehouseService;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

/**
 * <p>
 * 仓库表 服务实现类
 * </p>
 *
 * @author kzy
 * @since 2024-08-05 14:41:40
 */
@Service
public class HzWarehouseServiceImpl extends ServiceImpl<HzWarehouseMapper, HzWarehouse> implements HzWarehouseService {
    @Override
    public CommonPage selectWarehouseList(HzWarehouse warehouse) {
        SysUser currentUser= SecurityUtils.getLoginUser().getUser();
        if(!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
            warehouse.setCompanyId(currentUser.getCompanyId());
        }
        PageUtils.startPage();
        List<HzWarehouse> warehouseList=baseMapper.selectWarehouseList(warehouse);
        return CommonPage.restPage(warehouseList);
    }

    @Override
    public HzWarehouse selectWarehouseById(Long warehouseId) {
        HzWarehouse warehouse= baseMapper.selectById(warehouseId);
        SysUser currentUser=SecurityUtils.getLoginUser().getUser();
        if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
            return warehouse;
        }else if(!warehouse.getCompanyId().equals(currentUser.getCompanyId())){
            throw new ApiException("无权限查看其它企业数据");
        }
        return warehouse;
    }

    @Override
    public int insertWarehouse(HzWarehouse warehouse) {
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        warehouse.setCreateBy(currentUser.getUsername());
        warehouse.setCompanyId(currentUser.getCompanyId());
        if (!checkNameUnique(warehouse)) {
            throw new ApiException("仓库名称已存在");
        }
        checkUserAllowed(null,currentUser);
        int row = baseMapper.insert(warehouse);
        if (row < 1) {
            throw new ApiException("新增仓库失败");
        }
        return row;
    }

    @Override
    public int updateWarehouse(HzWarehouse warehouse) {
        if (!checkNameUnique(warehouse)) {
            throw new ApiException("仓库名称已存在");
        }
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        checkUserAllowed(warehouse,currentUser);
        warehouse.setUpdateBy(currentUser.getUsername());
        int row=baseMapper.updateById(warehouse);
        if(row<1){
            throw new ApiException("更新仓库信息失败");
        }
        return row;
    }

    public void checkUserAllowed(HzWarehouse warehouse, SysUser user) {
        if (user.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())) {
            throw new ApiException("管理员不能操作");
        }
        if(warehouse!=null){
            if(!Objects.equals(user.getCompanyId(), warehouse.getCompanyId())){
                throw new ApiException("无权限操作其他企业数据");
            }
        }
    }

    @Override
    public int deleteWarehouseById(Long warehouseId) {
        HzWarehouse warehouse=baseMapper.selectById(warehouseId);
        if(warehouse==null){
            throw new ApiException("仓库信息不存在");
        }
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        checkUserAllowed(warehouse,currentUser);
        baseMapper.deleteWarehouseById(warehouseId);
        return 0;
    }

    @Override
    public boolean checkNameUnique(HzWarehouse warehouse) {
        Long warsehouseId=warehouse.getId()==null?-1L:warehouse.getId();
        HzWarehouse wh= baseMapper.checkNameUnique(warehouse.getName(),warehouse.getCompanyId());
        if(wh!=null&&wh.getId().longValue()!=warsehouseId.longValue()){
            return UserConstant.NOT_UNIQUE;
        }
        return UserConstant.UNIQUE;
    }
}