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package com.ruoyi.technology.service.impl;
 
import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.OrderUtils;
import com.ruoyi.technology.bean.dto.TechnologyRoutingDto;
import com.ruoyi.technology.bean.vo.TechnologyRoutingVo;
import com.ruoyi.technology.mapper.TechnologyBomStructureMapper;
import com.ruoyi.technology.mapper.TechnologyOperationMapper;
import com.ruoyi.technology.mapper.TechnologyOperationParamMapper;
import com.ruoyi.technology.mapper.TechnologyParamMapper;
import com.ruoyi.technology.mapper.TechnologyRoutingMapper;
import com.ruoyi.technology.mapper.TechnologyRoutingOperationMapper;
import com.ruoyi.technology.mapper.TechnologyRoutingOperationParamMapper;
import com.ruoyi.technology.pojo.TechnologyBomStructure;
import com.ruoyi.technology.pojo.TechnologyOperation;
import com.ruoyi.technology.pojo.TechnologyOperationParam;
import com.ruoyi.technology.pojo.TechnologyParam;
import com.ruoyi.technology.pojo.TechnologyRouting;
import com.ruoyi.technology.pojo.TechnologyRoutingOperation;
import com.ruoyi.technology.pojo.TechnologyRoutingOperationParam;
import com.ruoyi.technology.service.TechnologyRoutingService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
 
@Service
@Transactional(rollbackFor = Exception.class)
@RequiredArgsConstructor
public class TechnologyRoutingServiceImpl extends ServiceImpl<TechnologyRoutingMapper, TechnologyRouting> implements TechnologyRoutingService {
 
    private final TechnologyRoutingMapper technologyRoutingMapper;
 
    private final TechnologyRoutingOperationMapper technologyRoutingOperationMapper;
 
    private final TechnologyBomStructureMapper technologyBomStructureMapper;
 
    private final TechnologyOperationMapper technologyOperationMapper;
    private final TechnologyOperationParamMapper technologyOperationParamMapper;
    private final TechnologyParamMapper technologyParamMapper;
    private final TechnologyRoutingOperationParamMapper technologyRoutingOperationParamMapper;
 
    @Override
    public IPage<TechnologyRoutingVo> pageTechnologyRouting(Page<TechnologyRoutingDto> page, TechnologyRoutingDto technologyRoutingDto) {
        return technologyRoutingMapper.pageTechnologyRouting(page, technologyRoutingDto);
    }
 
    @Override
    public TechnologyRoutingVo getTechnologyRoutingInfo(Long id) {
        TechnologyRouting technologyRouting = this.getById(id);
        if (technologyRouting == null) {
            return null;
        }
        return BeanUtil.copyProperties(technologyRouting, TechnologyRoutingVo.class);
    }
 
    @Override
    public Long saveTechnologyRouting(TechnologyRouting technologyRouting) {
        String code = OrderUtils.countTodayByCreateTime(technologyRoutingMapper, "GYLX", "process_route_code");
        technologyRouting.setProcessRouteCode(code);
        technologyRoutingMapper.insert(technologyRouting);
        // 带入bom产品结构
        syncRoutingOperationsByBom(technologyRouting);
        return technologyRouting.getId();
    }
 
    @Override
    public boolean updateTechnologyRouting(TechnologyRouting technologyRouting) {
        boolean updated = this.updateById(technologyRouting);
        if (updated) {
            TechnologyRouting currentRouting = this.getById(technologyRouting.getId());
            syncRoutingOperationsByBom(currentRouting);
        }
        return updated;
    }
 
    @Override
    public boolean removeTechnologyRouting(List<Long> ids) {
        if (ids == null || ids.isEmpty()) {
            return false;
        }
        List<TechnologyRoutingOperation> routingOperationList = technologyRoutingOperationMapper.selectList(
                Wrappers.<TechnologyRoutingOperation>lambdaQuery()
                        .in(TechnologyRoutingOperation::getTechnologyRoutingId, ids));
        if (!routingOperationList.isEmpty()) {
            List<Long> routingOperationIdList = routingOperationList.stream().map(TechnologyRoutingOperation::getId).collect(Collectors.toList());
            technologyRoutingOperationParamMapper.delete(Wrappers.<TechnologyRoutingOperationParam>lambdaQuery()
                    .in(TechnologyRoutingOperationParam::getTechnologyRoutingOperationId, routingOperationIdList));
        }
        technologyRoutingOperationMapper.delete(Wrappers.<TechnologyRoutingOperation>lambdaQuery()
                .in(TechnologyRoutingOperation::getTechnologyRoutingId, ids));
        return this.removeByIds(ids);
    }
 
    /**
     * 按当前选择的 BOM 重建工艺路线工序:
     * 1. 先删除该工艺路线下已有工序
     * 2. 读取 BOM 结构中的 operation_id
     * 3. 按 BOM 出现顺序去重后重新写入工艺路线工序表
     */
    private void syncRoutingOperationsByBom(TechnologyRouting technologyRouting) {
        List<TechnologyRoutingOperation> oldRoutingOperationList = technologyRoutingOperationMapper.selectList(
                Wrappers.<TechnologyRoutingOperation>lambdaQuery()
                        .eq(TechnologyRoutingOperation::getTechnologyRoutingId, technologyRouting.getId()));
        if (!oldRoutingOperationList.isEmpty()) {
            List<Long> oldRoutingOperationIdList = oldRoutingOperationList.stream().map(TechnologyRoutingOperation::getId).collect(Collectors.toList());
            technologyRoutingOperationParamMapper.delete(Wrappers.<TechnologyRoutingOperationParam>lambdaQuery()
                    .in(TechnologyRoutingOperationParam::getTechnologyRoutingOperationId, oldRoutingOperationIdList));
            technologyRoutingOperationMapper.delete(Wrappers.<TechnologyRoutingOperation>lambdaQuery()
                    .eq(TechnologyRoutingOperation::getTechnologyRoutingId, technologyRouting.getId()));
        }
        if (technologyRouting.getBomId() == null) {
            return;
        }
        List<TechnologyBomStructure> bomStructures = technologyBomStructureMapper.selectList(
                Wrappers.<TechnologyBomStructure>lambdaQuery()
                        .eq(TechnologyBomStructure::getBomId, Long.valueOf(technologyRouting.getBomId()))
                        .isNotNull(TechnologyBomStructure::getOperationId)
                        .orderByAsc(TechnologyBomStructure::getId)
        );
        if (bomStructures.isEmpty()) {
            throw new ServiceException("bom产品结构为空!");
        }
 
        // 同一个 BOM 中可能重复引用相同工序,这里按首次出现顺序去重。
        Map<Long, TechnologyBomStructure> uniqueOperationMap = new LinkedHashMap<>();
        for (TechnologyBomStructure bomStructure : bomStructures) {
            uniqueOperationMap.putIfAbsent(bomStructure.getOperationId(), bomStructure);
        }
 
        int dragSort = 1;
        for (TechnologyBomStructure bomStructure : uniqueOperationMap.values()) {
            TechnologyRoutingOperation routingOperation = new TechnologyRoutingOperation();
            routingOperation.setTechnologyRoutingId(technologyRouting.getId());
            routingOperation.setProductModelId(technologyRouting.getProductModelId());
            routingOperation.setTechnologyOperationId(bomStructure.getOperationId());
            routingOperation.setDragSort(dragSort++);
            routingOperation.setIsQuality(getOperationQuality(bomStructure.getOperationId()));
            technologyRoutingOperationMapper.insert(routingOperation);
            syncRoutingOperationParams(routingOperation.getId(), bomStructure.getOperationId());
        }
    }
 
    private void syncRoutingOperationParams(Long technologyRoutingOperationId, Long technologyOperationId) {
        List<TechnologyOperationParam> operationParamList = technologyOperationParamMapper.selectList(
                Wrappers.<TechnologyOperationParam>lambdaQuery()
                        .eq(TechnologyOperationParam::getTechnologyOperationId, technologyOperationId)
                        .orderByAsc(TechnologyOperationParam::getId));
        if (operationParamList.isEmpty()) {
            return;
        }
        for (TechnologyOperationParam operationParam : operationParamList) {
            TechnologyParam technologyParam = technologyParamMapper.selectById(operationParam.getTechnologyParamId());
            if (technologyParam == null) {
                continue;
            }
            TechnologyRoutingOperationParam snapshot = new TechnologyRoutingOperationParam();
            snapshot.setTechnologyRoutingOperationId(technologyRoutingOperationId);
            snapshot.setTechnologyOperationParamId(operationParam.getId());
            snapshot.setTechnologyOperationId(operationParam.getTechnologyOperationId());
            snapshot.setParamId(technologyParam.getId());
            snapshot.setParamCode(technologyParam.getParamCode());
            snapshot.setParamName(technologyParam.getParamName());
            snapshot.setParamType(technologyParam.getParamType());
            snapshot.setParamFormat(technologyParam.getParamFormat());
            snapshot.setUnit(technologyParam.getUnit());
            snapshot.setIsRequired(technologyParam.getIsRequired());
            snapshot.setRemark(technologyParam.getRemark());
            snapshot.setStandardValue(operationParam.getStandardValue());
            technologyRoutingOperationParamMapper.insert(snapshot);
        }
    }
 
    /**
     * 质检标识以工序基础表定义为准。
     */
    private Boolean getOperationQuality(Long operationId) {
        TechnologyOperation technologyOperation = technologyOperationMapper.selectById(operationId);
        return technologyOperation != null ? technologyOperation.getIsQuality() : null;
    }
 
    private String buildProcessRouteCode(Long id) {
        String dateStr = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
        String idStr = String.format("%06d", id);
        return "GYLX" + dateStr + idStr;
    }
 
    private boolean isNotBlank(String value) {
        return value != null && !value.trim().isEmpty();
    }
}