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

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gkhy.exam.common.api.CommonPage;
import com.gkhy.exam.common.constant.UserConstant;
import com.gkhy.exam.common.exception.ApiException;
import com.gkhy.exam.common.utils.PageUtils;
import com.gkhy.exam.common.utils.SecurityUtils;
import com.gkhy.exam.system.domain.ExCompanyPeriod;
import com.gkhy.exam.system.domain.SysCompany;
import com.gkhy.exam.system.mapper.SysCompanyMapper;
import com.gkhy.exam.system.service.ExCompanyPeriodService;
import com.gkhy.exam.system.service.SysCompanyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * <p>
 * 企业表 服务实现类
 * </p>
 *
 * @author kzy
 * @since 2024-06-05 08:43:11
 */
@Service
public class SysCompanyServiceImpl extends ServiceImpl<SysCompanyMapper, SysCompany> implements SysCompanyService {
    @Autowired
    private ExCompanyPeriodService companyPeriodService;

    @Override
    public CommonPage selectCompanyList(SysCompany company) {
        PageUtils.startPage();
        List<SysCompany> companyList=baseMapper.selectCompanyList(company);
        return CommonPage.restPage(companyList);
    }

    @Override
    public SysCompany selectCompanyById(Long companyId) {
        return baseMapper.selectCompanyById(companyId);
    }

    @Override
    @Transactional(rollbackFor = RuntimeException.class)
    public int insertCompany(SysCompany company) {
        if(!checkNameUnique(company)){
            throw new ApiException("公司名称已存在");
        }
        company.setCreateBy(SecurityUtils.getUsername());
        company.setRemainPeriod(company.getTotalPeriod());
        int row= baseMapper.insert(company);
        if(row<1){
            throw new ApiException("新增公司失败");
        }
        //扣减企业学时
        ExCompanyPeriod companyPeriod=new ExCompanyPeriod();
        companyPeriod.setModifyPeriod(company.getTotalPeriod());
        companyPeriod.setOrigin("系统分配");
        companyPeriod.setCompanyId(company.getId());
        companyPeriod.setRemainPeriod(company.getTotalPeriod());
        companyPeriodService.save(companyPeriod);
        return row;
    }

    @Override
    public int updateCompany(SysCompany company) {
        if(!checkNameUnique(company)){
            throw new ApiException("公司名称已存在");
        }
        company.setUpdateBy(SecurityUtils.getUsername());
        return baseMapper.updateById(company);
    }

    @Override
    public int deleteCompanyById(Long companyId) {
        return baseMapper.delCompanyById(companyId);
    }


    public boolean checkNameUnique(SysCompany company){
        Long companyId=company.getId()==null?-1L:company.getId();
        SysCompany com= baseMapper.checkNameUnique(company.getName());
        if(com!=null&&com.getId().longValue()!=companyId.longValue()){
            return UserConstant.NOT_UNIQUE;
        }
        return UserConstant.UNIQUE;
    }

    @Override
    public void assignPeriod(SysCompany company) {
        if(company.getId()==null){
            throw new ApiException("公司id不能为空");
        }
        if(company.getTotalPeriod()==null ||company.getTotalPeriod()<0){
            throw new ApiException("参数课时不正确");
        }
        boolean b = updateById(new SysCompany().setId(company.getId()).setTotalPeriod(company.getTotalPeriod()));
        if(!b){
            throw new ApiException("分配课时失败");
        }
    }

    @Override
    public List<SysCompany> selectCompanyLists() {
        return baseMapper.selectCompanyListS();
    }
}