package cn.iocoder.yudao.module.mes.service.cal.team;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.mes.controller.admin.cal.team.vo.MesCalTeamImportExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.cal.team.vo.MesCalTeamImportRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.cal.team.vo.MesCalTeamPageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.cal.team.vo.MesCalTeamSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.cal.team.MesCalTeamDO;
import cn.iocoder.yudao.module.mes.dal.mysql.cal.team.MesCalTeamMapper;
import jakarta.annotation.Resource;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;

import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.module.mes.enums.ErrorCodeConstants.*;

/**
 * MES 班组 Service 实现类
 *
 * @author 超级管理员
 */
@Service
@Validated
public class MesCalTeamServiceImpl implements MesCalTeamService {

    @Resource
    private MesCalTeamMapper teamMapper;

    @Resource
    @Lazy
    private MesCalTeamMemberService teamMemberService;
    @Resource
    @Lazy
    private MesCalTeamShiftService teamShiftService;

    @Override
    public Long createTeam(MesCalTeamSaveReqVO createReqVO) {
        // 1. 校验编码唯一
        validateTeamCodeUnique(null, createReqVO.getCode());

        // 2. 插入
        MesCalTeamDO team = BeanUtils.toBean(createReqVO, MesCalTeamDO.class);
        teamMapper.insert(team);
        return team.getId();
    }

    @Override
    public void updateTeam(MesCalTeamSaveReqVO updateReqVO) {
        // 1.1 校验存在
        validateTeamExists(updateReqVO.getId());
        // 1.2 校验编码唯一
        validateTeamCodeUnique(updateReqVO.getId(), updateReqVO.getCode());

        // 2. 更新
        MesCalTeamDO updateObj = BeanUtils.toBean(updateReqVO, MesCalTeamDO.class);
        teamMapper.updateById(updateObj);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteTeam(Long id) {
        // 1. 校验存在
        validateTeamExists(id);

        // 2.1 级联删除成员
        teamMemberService.deleteByTeamId(id);
        // 2.2 级联删除排班记录
        teamShiftService.deleteByTeamId(id);
        // 2.3 删除班组
        teamMapper.deleteById(id);
    }

    @Override
    public MesCalTeamDO getTeam(Long id) {
        return teamMapper.selectById(id);
    }

    @Override
    public PageResult<MesCalTeamDO> getTeamPage(MesCalTeamPageReqVO pageReqVO) {
        return teamMapper.selectPage(pageReqVO);
    }

    @Override
    public List<MesCalTeamDO> getTeamList() {
        return teamMapper.selectList();
    }

    @Override
    public List<MesCalTeamDO> getTeamList(Collection<Long> ids) {
        if (CollUtil.isEmpty(ids)) {
            return Collections.emptyList();
        }
        return teamMapper.selectByIds(ids);
    }

    @Override
    public MesCalTeamDO validateTeamExists(Long id) {
        MesCalTeamDO team = teamMapper.selectById(id);
        if (team == null) {
            throw exception(CAL_TEAM_NOT_EXISTS);
        }
        return team;
    }

    private void validateTeamCodeUnique(Long id, String code) {
        MesCalTeamDO team = teamMapper.selectByCode(code);
        if (team == null) {
            return;
        }
        if (ObjUtil.notEqual(id, team.getId())) {
            throw exception(CAL_TEAM_CODE_DUPLICATE);
        }
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public MesCalTeamImportRespVO importTeamList(List<MesCalTeamImportExcelVO> importList,
                                                 boolean updateSupport) {
        // 1. 校验非空
        if (CollUtil.isEmpty(importList)) {
            throw exception(CAL_TEAM_IMPORT_LIST_IS_EMPTY);
        }

        // 2. 逐行处理
        MesCalTeamImportRespVO respVO = MesCalTeamImportRespVO.builder()
                .createCodes(new ArrayList<>()).updateCodes(new ArrayList<>())
                .failureCodes(new LinkedHashMap<>()).build();
        AtomicInteger index = new AtomicInteger(1);
        importList.forEach(importItem -> {
            int currentIndex = index.getAndIncrement();
            String key = StrUtil.blankToDefault(importItem.getCode(), "第 " + currentIndex + " 行");
            if (StrUtil.isBlank(importItem.getCode())) {
                respVO.getFailureCodes().put(key, "班组编码不能为空");
                return;
            }
            if (StrUtil.isBlank(importItem.getName())) {
                respVO.getFailureCodes().put(key, "班组名称不能为空");
                return;
            }
            if (importItem.getCalendarType() == null) {
                respVO.getFailureCodes().put(key, "班组类型不能为空");
                return;
            }
            // 2.1 判断：创建 or 更新
            MesCalTeamDO existTeam = teamMapper.selectByCode(importItem.getCode());
            if (existTeam == null) {
                // 2.1.1 新增
                MesCalTeamDO team = BeanUtils.toBean(importItem, MesCalTeamDO.class);
                team.setId(null);
                teamMapper.insert(team);
                respVO.getCreateCodes().add(importItem.getCode());
            } else if (updateSupport) {
                // 2.1.2 更新
                MesCalTeamDO updateObj = BeanUtils.toBean(importItem, MesCalTeamDO.class);
                updateObj.setId(existTeam.getId());
                teamMapper.updateById(updateObj);
                respVO.getUpdateCodes().add(importItem.getCode());
            } else {
                respVO.getFailureCodes().put(key, "班组编码已存在");
            }
        });
        return respVO;
    }

}