package cn.iocoder.yudao.module.mes.service.md.workstation;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
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.md.workstation.vo.workshop.MesMdWorkshopImportExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.workstation.vo.workshop.MesMdWorkshopImportRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.workstation.vo.workshop.MesMdWorkshopPageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.workstation.vo.workshop.MesMdWorkshopSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.workstation.MesMdWorkshopDO;
import cn.iocoder.yudao.module.mes.dal.mysql.md.workstation.MesMdWorkshopMapper;
import cn.iocoder.yudao.module.mes.enums.wm.BarcodeBizTypeEnum;
import cn.iocoder.yudao.module.mes.service.wm.barcode.MesWmBarcodeService;
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 车间 Service 实现类
 *
 * @author 超级管理员
 */
@Service
@Validated
public class MesMdWorkshopServiceImpl implements MesMdWorkshopService {

    @Resource
    private MesMdWorkshopMapper workshopMapper;

    @Resource
    @Lazy
    private MesMdWorkstationService workstationService;
    @Resource
    private MesWmBarcodeService barcodeService;

    @Override
    public Long createWorkshop(MesMdWorkshopSaveReqVO createReqVO) {
        // 校验编码唯一
        validateWorkshopCodeUnique(null, createReqVO.getCode());
        // 校验名称唯一
        validateWorkshopNameUnique(null, createReqVO.getName());

        // 插入
        MesMdWorkshopDO workshop = BeanUtils.toBean(createReqVO, MesMdWorkshopDO.class);
        workshopMapper.insert(workshop);

        // 自动生成条码
        barcodeService.autoGenerateBarcode(BarcodeBizTypeEnum.WORKSHOP.getValue(),
                workshop.getId(), workshop.getCode(), workshop.getName());
        return workshop.getId();
    }

    @Override
    public void updateWorkshop(MesMdWorkshopSaveReqVO updateReqVO) {
        // 校验存在
        validateWorkshopExists(updateReqVO.getId());
        // 校验编码唯一
        validateWorkshopCodeUnique(updateReqVO.getId(), updateReqVO.getCode());
        // 校验名称唯一
        validateWorkshopNameUnique(updateReqVO.getId(), updateReqVO.getName());

        // 更新
        MesMdWorkshopDO updateObj = BeanUtils.toBean(updateReqVO, MesMdWorkshopDO.class);
        workshopMapper.updateById(updateObj);
    }

    @Override
    public void deleteWorkshop(Long id) {
        // 校验存在
        validateWorkshopExists(id);
        // 校验车间下是否存在工作站
        Long count = workstationService.getWorkstationCountByWorkshopId(id);
        if (count > 0) {
            throw exception(MD_WORKSHOP_HAS_WORKSTATION);
        }

        // 删除
        workshopMapper.deleteById(id);
    }

    private void validateWorkshopExists(Long id) {
        if (workshopMapper.selectById(id) == null) {
            throw exception(MD_WORKSHOP_NOT_EXISTS);
        }
    }

    private void validateWorkshopCodeUnique(Long id, String code) {
        MesMdWorkshopDO workshop = workshopMapper.selectByCode(code);
        if (workshop == null) {
            return;
        }
        if (ObjUtil.notEqual(workshop.getId(), id)) {
            throw exception(MD_WORKSHOP_CODE_DUPLICATE);
        }
    }

    private void validateWorkshopNameUnique(Long id, String name) {
        MesMdWorkshopDO workshop = workshopMapper.selectByName(name);
        if (workshop == null) {
            return;
        }
        if (ObjUtil.notEqual(workshop.getId(), id)) {
            throw exception(MD_WORKSHOP_NAME_DUPLICATE);
        }
    }

    @Override
    public MesMdWorkshopDO getWorkshop(Long id) {
        return workshopMapper.selectById(id);
    }

    @Override
    public PageResult<MesMdWorkshopDO> getWorkshopPage(MesMdWorkshopPageReqVO pageReqVO) {
        return workshopMapper.selectPage(pageReqVO);
    }

    @Override
    public List<MesMdWorkshopDO> getWorkshopList(Collection<Long> ids) {
        if (CollUtil.isEmpty(ids)) {
            return Collections.emptyList();
        }
        return workshopMapper.selectByIds(ids);
    }

    @Override
    public List<MesMdWorkshopDO> getWorkshopListByStatus(Integer status) {
        return workshopMapper.selectListByStatus(status);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public MesMdWorkshopImportRespVO importWorkshopList(List<MesMdWorkshopImportExcelVO> importList,
                                                        boolean updateSupport) {
        // 1. 校验非空
        if (CollUtil.isEmpty(importList)) {
            throw exception(MD_WORKSHOP_IMPORT_LIST_IS_EMPTY);
        }

        // 2. 逐行处理
        MesMdWorkshopImportRespVO respVO = MesMdWorkshopImportRespVO.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, "车间编码不能为空");
                return;
            }
            if (StrUtil.isBlank(importItem.getName())) {
                respVO.getFailureCodes().put(key, "车间名称不能为空");
                return;
            }
            // 2.1 判断：创建 or 更新
            MesMdWorkshopDO existWorkshop = workshopMapper.selectByCode(importItem.getCode());
            if (existWorkshop == null) {
                // 2.1.1 新增
                MesMdWorkshopDO workshop = BeanUtils.toBean(importItem, MesMdWorkshopDO.class);
                workshop.setId(null);
                workshop.setStatus(ObjUtil.defaultIfNull(importItem.getStatus(), CommonStatusEnum.ENABLE.getStatus()));
                workshopMapper.insert(workshop);
                // 自动生成条码
                barcodeService.autoGenerateBarcode(BarcodeBizTypeEnum.WORKSHOP.getValue(),
                        workshop.getId(), workshop.getCode(), workshop.getName());
                respVO.getCreateCodes().add(importItem.getCode());
            } else if (updateSupport) {
                // 2.1.2 更新
                MesMdWorkshopDO updateObj = BeanUtils.toBean(importItem, MesMdWorkshopDO.class);
                updateObj.setId(existWorkshop.getId());
                workshopMapper.updateById(updateObj);
                respVO.getUpdateCodes().add(importItem.getCode());
            } else {
                respVO.getFailureCodes().put(key, "车间编码已存在");
            }
        });
        return respVO;
    }

}