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

import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gkhy.exam.common.api.CommonPage;
import com.gkhy.exam.common.api.CommonResult;
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.InternalAuditPlan;
import com.gkhy.exam.system.mapper.InternalAuditPlanMapper;
import com.gkhy.exam.system.service.InternalAuditPlanService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class InternalAuditPlanServiceImpl extends ServiceImpl<InternalAuditPlanMapper, InternalAuditPlan> implements InternalAuditPlanService {

    @Autowired
    private InternalAuditPlanMapper planMapper;




    @Override
    public CommonPage selectPlanList(InternalAuditPlan plan) {
        if (!SecurityUtils.adminUser()){
            if (plan.getCompanyId()==null){
                throw new ApiException("非管理员操作，企业id不可为空");
            }
        }
        PageUtils.startPage();
        List<InternalAuditPlan> internalAuditPlans = planMapper.selectPlanList(plan);
        return CommonPage.restPage(internalAuditPlans);
    }

    @Override
    public CommonResult insertPlan(InternalAuditPlan plan) {
        List<InternalAuditPlan> internalAuditPlans = planMapper.selectList(
                Wrappers.<InternalAuditPlan>lambdaQuery()
                        .eq(InternalAuditPlan::getCompanyId, plan.getCompanyId())
                        .eq(InternalAuditPlan::getYear, plan.getYear())
                        .eq(InternalAuditPlan::getDelFlag,1));
        if (internalAuditPlans.size()>0){
            throw new ApiException("当前企业已有相关数据");
        }
        plan.setCreateBy(SecurityUtils.getUsername());
        plan.setCreateTime(LocalDateTime.now());
        planMapper.insert(plan);
        return CommonResult.success();
    }

    @Override
    public CommonResult updatePlan(InternalAuditPlan plan) {
        plan.setUpdateBy(SecurityUtils.getUsername());
        plan.setUpdateTime(LocalDateTime.now());
        planMapper.updateById(plan);
        return CommonResult.success();
    }

    @Override
    public CommonResult deletedPlan(Integer planId) {
        InternalAuditPlan internalAuditPlan = new InternalAuditPlan();
        internalAuditPlan.setDelFlag(2);
        internalAuditPlan.setUpdateTime(LocalDateTime.now());
        internalAuditPlan.setUpdateBy(SecurityUtils.getUsername());
        internalAuditPlan.setId(planId);
        planMapper.updateById(internalAuditPlan);
        return CommonResult.success();
    }

    @Override
    @Transactional
    public CommonResult copyInternalAuditPlan(Integer companyId, String sourceYear, String targetYear) {
        if (companyId == null) {
            companyId = SecurityUtils.getCompanyId().intValue();
        }

        if (sourceYear == null || sourceYear.trim().isEmpty()) {
            return CommonResult.failed("源年份不能为空");
        }

        if (targetYear == null || targetYear.trim().isEmpty()) {
            return CommonResult.failed("目标年份不能为空");
        }

        LambdaUpdateWrapper<InternalAuditPlan> deleteWrapper = new LambdaUpdateWrapper<>();
        deleteWrapper.eq(InternalAuditPlan::getCompanyId, companyId)
                .eq(InternalAuditPlan::getYear, targetYear)
                .eq(InternalAuditPlan::getDelFlag, 1)
                .set(InternalAuditPlan::getDelFlag, 2)
                .set(InternalAuditPlan::getUpdateBy, SecurityUtils.getUsername())
                .set(InternalAuditPlan::getUpdateTime, LocalDateTime.now());
        planMapper.update(new InternalAuditPlan(), deleteWrapper);

        LambdaQueryWrapper<InternalAuditPlan> queryWrapperSource = new LambdaQueryWrapper<>();
        queryWrapperSource.eq(InternalAuditPlan::getCompanyId, companyId)
                .eq(InternalAuditPlan::getYear, sourceYear)
                .eq(InternalAuditPlan::getDelFlag, 1);
        List<InternalAuditPlan> sourcePlans = planMapper.selectList(queryWrapperSource);

        if (ObjectUtil.isEmpty(sourcePlans)) {
            return CommonResult.success("源年份无相关数据");
        }

        for (InternalAuditPlan sourcePlan : sourcePlans) {
            InternalAuditPlan newPlan = new InternalAuditPlan();
            newPlan.setCompanyId(sourcePlan.getCompanyId());
            newPlan.setYear(targetYear);
            newPlan.setPurpose(sourcePlan.getPurpose());
            newPlan.setAuditPurpose(sourcePlan.getAuditPurpose());
            newPlan.setReviewBasis(sourcePlan.getReviewBasis());
            newPlan.setReviewScope(sourcePlan.getReviewScope());
            newPlan.setReviewCarry(sourcePlan.getReviewCarry());
            newPlan.setReviewConstitute(sourcePlan.getReviewConstitute());
            newPlan.setReviewRequire(sourcePlan.getReviewRequire());
            newPlan.setCompilationId(sourcePlan.getCompilationId());
            newPlan.setProofreadId(sourcePlan.getProofreadId());
            newPlan.setCheckId(sourcePlan.getCheckId());
            newPlan.setRatifyId(sourcePlan.getRatifyId());
            newPlan.setDelFlag(1);
            newPlan.setCreateBy(SecurityUtils.getUsername());
            newPlan.setCreateTime(LocalDateTime.now());

            int insert = planMapper.insert(newPlan);
            if (insert <= 0) {
                throw new RuntimeException("复制内审策划数据失败");
            }
        }

        return CommonResult.success("成功从年份[" + sourceYear + "]复制到年份[" + targetYear + "]");
    }
}