package com.ruoyi.production.service.impl;

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.production.dto.ProcessRouteDto;
import com.ruoyi.production.mapper.ProcessRouteItemMapper;
import com.ruoyi.production.mapper.ProcessRouteMapper;
import com.ruoyi.production.mapper.ProductOrderMapper;
import com.ruoyi.production.mapper.ProductProcessRouteMapper;
import com.ruoyi.production.mapper.ProductStructureMapper;
import com.ruoyi.production.pojo.ProcessRoute;
import com.ruoyi.production.pojo.ProcessRouteItem;
import com.ruoyi.production.pojo.ProductOrder;
import com.ruoyi.production.pojo.ProductProcessRoute;
import com.ruoyi.production.pojo.ProductStructure;
import com.ruoyi.production.service.ProcessRouteService;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.List;

@Service
@AllArgsConstructor
@Slf4j
public class ProcessRouteServiceImpl extends ServiceImpl<ProcessRouteMapper, ProcessRoute> implements ProcessRouteService {

    @Autowired
    private ProcessRouteMapper processRouteMapper;

    @Autowired
    private ProcessRouteItemMapper processRouteItemMapper;

    @Autowired
    private ProductOrderMapper productOrderMapper;

    @Autowired
    private ProductStructureMapper productStructureMapper;

    @Override
    public IPage<ProcessRouteDto> pageProcessRouteDto(Page<ProcessRouteDto> page, ProcessRouteDto processRouteDto) {

        return processRouteMapper.pageProcessRouteDto(page, processRouteDto);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Integer saveProcessRoute(ProcessRoute processRoute) {
        if (processRoute.getBomId() == null) {
            throw new ServiceException("请选择BOM");
        }
        if (!this.save(processRoute)) {
            throw new ServiceException("工艺路线保存失败");
        }

        String dateStr = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
        String idStr = String.format("%06d", processRoute.getId());
        String newProductCode = "GYLX" + dateStr + idStr;
        // 更新数据库中的productCode
        processRoute.setProcessRouteCode(newProductCode);
        if (processRouteMapper.updateById(processRoute) != 1) {
            throw new ServiceException("工艺路线编号生成失败");
        }

        List<ProductStructure> structures = productStructureMapper.selectList(
                Wrappers.<ProductStructure>lambdaQuery()
                        .eq(ProductStructure::getBomId, processRoute.getBomId())
                        .isNotNull(ProductStructure::getParentId)
                        .orderByAsc(ProductStructure::getId));
        if (structures.isEmpty()) {
            throw new ServiceException("当前BOM没有可生成的子项");
        }

        int dragSort = 1;
        for (ProductStructure structure : structures) {
            if (structure.getProductModelId() == null) {
                throw new ServiceException("BOM中存在未绑定产品的子项");
            }
            if (structure.getProcessId() == null) {
                throw new ServiceException("BOM中存在未配置工序的子项");
            }

            ProcessRouteItem item = new ProcessRouteItem();
            item.setRouteId(processRoute.getId());
            item.setProductModelId(structure.getProductModelId());
            item.setProcessId(structure.getProcessId());
            item.setDragSort(dragSort++);
            item.setIsQuality(false);
            if (processRouteItemMapper.insert(item) != 1) {
                throw new ServiceException("工艺路线明细生成失败");
            }
        }

        return 1;
    }

    @Override
    public int batchDelete(List<Long> ids) {
        //先判断是否已经引用了
        List<ProductOrder> productOrders = productOrderMapper.selectList(Wrappers.<ProductOrder>lambdaQuery().in(ProductOrder::getRouteId, ids));
        if (productOrders.size()>0){
            throw new RuntimeException("该工艺路线生产已引用，不能删除");
        }
        //删除工艺路线详情
        processRouteItemMapper.delete(Wrappers.<ProcessRouteItem>lambdaQuery().in(ProcessRouteItem::getRouteId, ids));
        return processRouteMapper.deleteBatchIds(ids);
    }
}