package cn.iocoder.yudao.module.mes.service.pro.process;

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.pro.process.vo.MesProProcessImportExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.pro.process.vo.MesProProcessImportRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.pro.process.vo.MesProProcessPageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.pro.process.vo.MesProProcessSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.pro.process.MesProProcessDO;
import cn.iocoder.yudao.module.mes.dal.mysql.pro.process.MesProProcessMapper;
import cn.iocoder.yudao.module.mes.service.pro.route.MesProRouteProcessService;
import cn.iocoder.yudao.module.mes.service.pd.processparamtemplate.MesPdProcessParamTemplateService;
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 生产工序 Service 实现类
 *
 * @author 超级管理员
 */
@Service
@Validated
public class MesProProcessServiceImpl implements MesProProcessService {

    @Resource
    private MesProProcessMapper processMapper;

    @Resource
    private MesPdProcessParamTemplateService paramTemplateService;

    @Resource
    private MesProProcessContentService processContentService;
    @Resource
    @Lazy
    private MesProRouteProcessService routeProcessService;

    @Override
    public Long createProcess(MesProProcessSaveReqVO createReqVO) {
        // 1. 校验编码、名称唯一
        validateProcessSaveData(createReqVO);

        // 2. 插入工序
        MesProProcessDO process = BeanUtils.toBean(createReqVO, MesProProcessDO.class);
        processMapper.insert(process);
        return process.getId();
    }

    @Override
    public void updateProcess(MesProProcessSaveReqVO updateReqVO) {
        // 1.1 校验存在
        validateProcessExists(updateReqVO.getId());
        // 1.2 校验编码、名称唯一
        validateProcessSaveData(updateReqVO);

        // 2. 更新工序
        MesProProcessDO updateObj = BeanUtils.toBean(updateReqVO, MesProProcessDO.class);
        processMapper.updateById(updateObj);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteProcess(Long id) {
        // 1.1 校验存在
        validateProcessExists(id);
        // 1.2 校验是否被工艺路线引用
        if (CollUtil.isNotEmpty(routeProcessService.getRouteProcessListByProcessId(id))) {
            throw exception(PRO_PROCESS_USED_BY_ROUTE);
        }

        // 2. 删除工序
        processMapper.deleteById(id);
        // 3. 级联删除工序内容
        processContentService.deleteProcessContentByProcessId(id);
    }

    @Override
    public void validateProcessExists(Long id) {
        if (processMapper.selectById(id) == null) {
            throw exception(PRO_PROCESS_NOT_EXISTS);
        }
    }

    @Override
    public void validateProcessExistsAndEnable(Long id) {
        MesProProcessDO process = processMapper.selectById(id);
        if (process == null) {
            throw exception(PRO_PROCESS_NOT_EXISTS);
        }
        if (ObjUtil.notEqual(CommonStatusEnum.ENABLE.getStatus(), process.getStatus())) {
            throw exception(PRO_PROCESS_IS_DISABLE);
        }
    }

    private void validateProcessCodeUnique(Long id, String code) {
        MesProProcessDO process = processMapper.selectByCode(code);
        if (process == null) {
            return;
        }
        if (id == null) {
            throw exception(PRO_PROCESS_CODE_EXISTS);
        }
        if (!process.getId().equals(id)) {
            throw exception(PRO_PROCESS_CODE_EXISTS);
        }
    }

    private void validateProcessNameUnique(Long id, String name) {
        MesProProcessDO process = processMapper.selectByName(name);
        if (process == null) {
            return;
        }
        if (id == null) {
            throw exception(PRO_PROCESS_NAME_EXISTS);
        }
        if (!process.getId().equals(id)) {
            throw exception(PRO_PROCESS_NAME_EXISTS);
        }
    }

    private void validateProcessSaveData(MesProProcessSaveReqVO saveReqVO) {
        // 1. 校验编码唯一
        validateProcessCodeUnique(saveReqVO.getId(), saveReqVO.getCode());
        // 2. 校验名称唯一
        validateProcessNameUnique(saveReqVO.getId(), saveReqVO.getName());
        validateParamConfiguration(saveReqVO);
    }

    private void validateParamConfiguration(MesProProcessSaveReqVO req) {
        // 兼容未发送新字段的旧客户端：更新时保留已有配置。
        if (req.getParamCollectMode() == null) {
            if (req.getId() == null) req.setParamCollectMode(0);
            else {
                MesProProcessDO current = processMapper.selectById(req.getId());
                if (current != null) {
                    req.setParamCollectMode(current.getParamCollectMode() == null ? 0 : current.getParamCollectMode());
                    req.setParamTemplateId(current.getParamTemplateId());
                }
            }
        }
        Integer mode = req.getParamCollectMode();
        if (mode == null || mode < 0 || mode > 2) throw exception(PRO_PROCESS_PARAM_CONFIG_INVALID);
        if (mode != 0) {
            if (req.getParamTemplateId() == null) throw exception(PRO_PROCESS_PARAM_TEMPLATE_REQUIRED);
            paramTemplateService.validateProcessParamTemplateExists(req.getParamTemplateId());
            if (CollUtil.isEmpty(paramTemplateService.getProcessParamTemplateDetailListByTemplateId(req.getParamTemplateId()))) {
                throw exception(PRO_WORK_ORDER_PARAM_RECORD_TEMPLATE_NO_DETAIL);
            }
        }
    }

    @Override
    public MesProProcessDO getProcess(Long id) {
        return processMapper.selectById(id);
    }

    @Override
    public List<MesProProcessDO> getProcessList(Collection<Long> ids) {
        if (CollUtil.isEmpty(ids)) {
            return Collections.emptyList();
        }
        return processMapper.selectByIds(ids);
    }

    @Override
    public MesProProcessDO getProcessByName(String name) {
        return processMapper.selectByName(name);
    }

    @Override
    public PageResult<MesProProcessDO> getProcessPage(MesProProcessPageReqVO pageReqVO) {
        return processMapper.selectPage(pageReqVO);
    }

    @Override
    public List<MesProProcessDO> getProcessListByStatus(Integer status) {
        return processMapper.selectListByStatus(status);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public MesProProcessImportRespVO importProcessList(List<MesProProcessImportExcelVO> importList,
                                                       boolean updateSupport) {
        // 1. 校验非空
        if (CollUtil.isEmpty(importList)) {
            throw exception(PRO_PROCESS_IMPORT_LIST_IS_EMPTY);
        }

        // 2. 逐行处理
        MesProProcessImportRespVO respVO = MesProProcessImportRespVO.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, "工序编码不能为空");
                return;
            }
            if (StrUtil.isBlank(importItem.getName())) {
                respVO.getFailureCodes().put(key, "工序名称不能为空");
                return;
            }
            // 2.1 判断：创建 or 更新
            MesProProcessDO existProcess = processMapper.selectByCode(importItem.getCode());
            if (existProcess == null) {
                // 2.1.1 新增
                MesProProcessDO process = BeanUtils.toBean(importItem, MesProProcessDO.class);
                process.setId(null);
                process.setStatus(ObjUtil.defaultIfNull(importItem.getStatus(), CommonStatusEnum.ENABLE.getStatus()));
                processMapper.insert(process);
                respVO.getCreateCodes().add(importItem.getCode());
            } else if (updateSupport) {
                // 2.1.2 更新
                MesProProcessDO updateObj = BeanUtils.toBean(importItem, MesProProcessDO.class);
                updateObj.setId(existProcess.getId());
                updateObj.setCode(existProcess.getCode());
                processMapper.updateById(updateObj);
                respVO.getUpdateCodes().add(importItem.getCode());
            } else {
                respVO.getFailureCodes().put(key, "工序编码已存在");
            }
        });
        return respVO;
    }

}