package com.klp.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.klp.common.core.page.TableDataInfo;
import com.klp.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.klp.common.utils.StringUtils;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.klp.domain.bo.WmsEmployeeTransferBo;
import com.klp.domain.vo.WmsEmployeeTransferVo;
import com.klp.domain.WmsEmployeeTransfer;
import com.klp.domain.WmsEmployeeInfo;
import com.klp.mapper.WmsEmployeeTransferMapper;
import com.klp.mapper.WmsEmployeeInfoMapper;
import com.klp.service.IWmsEmployeeTransferService;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 员工转岗记录Service业务层处理
 *
 * @author klp
 * @date 2026-03-18
 */
@RequiredArgsConstructor
@Service
public class WmsEmployeeTransferServiceImpl implements IWmsEmployeeTransferService {

    private final WmsEmployeeTransferMapper baseMapper;
    private final WmsEmployeeInfoMapper wmsEmployeeInfoMapper;

    /**
     * 查询员工转岗记录
     */
    @Override
    public WmsEmployeeTransferVo queryById(Long transferId){
        WmsEmployeeTransferVo vo = baseMapper.selectVoById(transferId);
        if (vo != null && vo.getInfoId() != null) {
            WmsEmployeeInfo employee = wmsEmployeeInfoMapper.selectById(vo.getInfoId());
            vo.setWmsEmployeeInfo(employee);
        }
        return vo;
    }

    /**
     * 查询员工转岗记录列表
     */
    @Override
    public TableDataInfo<WmsEmployeeTransferVo> queryPageList(WmsEmployeeTransferBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<WmsEmployeeTransfer> lqw = buildQueryWrapper(bo);
        Page<WmsEmployeeTransferVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        for (WmsEmployeeTransferVo vo : result.getRecords()) {
            if (vo.getInfoId() != null) {
                WmsEmployeeInfo employee = wmsEmployeeInfoMapper.selectById(vo.getInfoId());
                vo.setWmsEmployeeInfo(employee);
            }
        }
        return TableDataInfo.build(result);
    }

    /**
     * 查询员工转岗记录列表
     */
    @Override
    public List<WmsEmployeeTransferVo> queryList(WmsEmployeeTransferBo bo) {
        LambdaQueryWrapper<WmsEmployeeTransfer> lqw = buildQueryWrapper(bo);
        List<WmsEmployeeTransferVo> list = baseMapper.selectVoList(lqw);
        for (WmsEmployeeTransferVo vo : list) {
            if (vo.getInfoId() != null) {
                WmsEmployeeInfo employee = wmsEmployeeInfoMapper.selectById(vo.getInfoId());
                vo.setWmsEmployeeInfo(employee);
            }
        }
        return list;
    }

    private LambdaQueryWrapper<WmsEmployeeTransfer> buildQueryWrapper(WmsEmployeeTransferBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<WmsEmployeeTransfer> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getInfoId() != null, WmsEmployeeTransfer::getInfoId, bo.getInfoId());
        lqw.eq(StringUtils.isNotBlank(bo.getOldDept()), WmsEmployeeTransfer::getOldDept, bo.getOldDept());
        lqw.eq(StringUtils.isNotBlank(bo.getOldJobType()), WmsEmployeeTransfer::getOldJobType, bo.getOldJobType());
        lqw.eq(StringUtils.isNotBlank(bo.getNewDept()), WmsEmployeeTransfer::getNewDept, bo.getNewDept());
        lqw.eq(StringUtils.isNotBlank(bo.getNewJobType()), WmsEmployeeTransfer::getNewJobType, bo.getNewJobType());
        lqw.eq(bo.getTransferTime() != null, WmsEmployeeTransfer::getTransferTime, bo.getTransferTime());
        lqw.ge(bo.getTransferStartTime() != null, WmsEmployeeTransfer::getTransferTime, bo.getTransferStartTime());
        lqw.le(bo.getTransferEndTime() != null, WmsEmployeeTransfer::getTransferTime, bo.getTransferEndTime());
        lqw.eq(StringUtils.isNotBlank(bo.getTransferReason()), WmsEmployeeTransfer::getTransferReason, bo.getTransferReason());
        lqw.eq(StringUtils.isNotBlank(bo.getTransferHandler()), WmsEmployeeTransfer::getTransferHandler, bo.getTransferHandler());
        lqw.eq(bo.getApprovalStatus() != null, WmsEmployeeTransfer::getApprovalStatus, bo.getApprovalStatus());
        lqw.eq(StringUtils.isNotBlank(bo.getAttachment()), WmsEmployeeTransfer::getAttachment, bo.getAttachment());

        // 按照转岗时间倒叙排序
        lqw.orderByDesc(WmsEmployeeTransfer::getTransferTime);
        return lqw;
    }

    /**
     * 新增员工转岗记录
     */
    @Override
    public Boolean insertByBo(WmsEmployeeTransferBo bo) {
        WmsEmployeeTransfer add = BeanUtil.toBean(bo, WmsEmployeeTransfer.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setTransferId(add.getTransferId());
        }
        return flag;
    }

    /**
     * 修改员工转岗记录
     */
    @Override
    public Boolean updateByBo(WmsEmployeeTransferBo bo) {
        WmsEmployeeTransfer update = BeanUtil.toBean(bo, WmsEmployeeTransfer.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(WmsEmployeeTransfer entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除员工转岗记录
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }

    /**
     * 员工转岗
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean employeeTransfer(WmsEmployeeTransferBo bo) {
        if (bo.getInfoId() == null) {
            throw new RuntimeException("员工ID不能为空");
        }
        WmsEmployeeInfo employee = wmsEmployeeInfoMapper.selectById(bo.getInfoId());
        if (employee == null) {
            throw new RuntimeException("员工不存在");
        }
        if (employee.getIsLeave() != null && employee.getIsLeave() == 1) {
            throw new RuntimeException("员工已离职，无法转岗");
        }

        bo.setOldDept(employee.getDept());
        bo.setOldJobType(employee.getJobType());

        WmsEmployeeInfo update = new WmsEmployeeInfo();
        update.setInfoId(bo.getInfoId());
        if (bo.getNewDept() != null) {
            update.setDept(bo.getNewDept());
        }
        if (bo.getNewJobType() != null) {
            update.setJobType(bo.getNewJobType());
        }
        boolean flag = wmsEmployeeInfoMapper.updateById(update) > 0;
        if (!flag) {
            return false;
        }

        WmsEmployeeTransfer transfer = new WmsEmployeeTransfer();
        transfer.setInfoId(bo.getInfoId());
        transfer.setOldDept(bo.getOldDept());
        transfer.setOldJobType(bo.getOldJobType());
        transfer.setNewDept(bo.getNewDept());
        transfer.setNewJobType(bo.getNewJobType());
        transfer.setTransferTime(bo.getTransferTime());
        transfer.setTransferReason(bo.getTransferReason());
        transfer.setTransferHandler(bo.getTransferHandler());
        transfer.setAttachment(bo.getAttachment());
        transfer.setRemark(bo.getRemark());
        transfer.setCreateBy(bo.getCreateBy());
        transfer.setApprovalStatus(1);
        return baseMapper.insert(transfer) > 0;
    }
}