package jnpf.dmsService.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import jnpf.dmsEntity.DmsWenjianBianhaoGuizeEntity;
import jnpf.dmsEntity.DmsWenjianBianhaoGuizeFeiqiEntity;
import jnpf.dmsMapper.DmsWenjianBianhaoGuizeFeiqiMapper;
import jnpf.dmsMapper.DmsWenjianBianhaoGuizeMapper;
import jnpf.dmsService.DmsWenjianBianhaoGuizeFeiqiService;
import jnpf.exception.DataException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

@Service
public class DmsWenjianBianhaoGuizeFeiqiServiceImpl implements DmsWenjianBianhaoGuizeFeiqiService {

    private static final String BIZ_ENABLED_DISABLED = "disabled";

    @Autowired
    private DmsWenjianBianhaoGuizeFeiqiMapper feiqiMapper;

    @Autowired
    private DmsWenjianBianhaoGuizeMapper guizeMapper;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void feiqiGuize(String flowId, String taskId) throws DataException {
        String resolvedFlowId = trimToEmpty(flowId);
        String resolvedTaskId = trimToEmpty(taskId);
        if (resolvedFlowId.isEmpty()) {
            throw new DataException("流程ID(flow_id)不能为空");
        }
        if (resolvedTaskId.isEmpty()) {
            throw new DataException("流程任务ID(task_id)不能为空");
        }

        LambdaQueryWrapper<DmsWenjianBianhaoGuizeFeiqiEntity> relationQuery = new LambdaQueryWrapper<>();
        relationQuery.eq(DmsWenjianBianhaoGuizeFeiqiEntity::getFlowId, resolvedFlowId)
                .eq(DmsWenjianBianhaoGuizeFeiqiEntity::getTaskId, resolvedTaskId);
        List<DmsWenjianBianhaoGuizeFeiqiEntity> relations = feiqiMapper.selectList(relationQuery);
        if (relations.isEmpty()) {
            throw new DataException("未找到文件编号规则废弃关联记录：flow_id=" + resolvedFlowId
                    + ", task_id=" + resolvedTaskId);
        }

        Set<String> guizeIds = new LinkedHashSet<>();
        for (DmsWenjianBianhaoGuizeFeiqiEntity relation : relations) {
            String guizeId = trimToEmpty(relation.getGuizeId());
            if (guizeId.isEmpty()) {
                throw new DataException("文件编号规则废弃关联记录未关联规则ID");
            }
            guizeIds.add(guizeId);
        }

        LambdaQueryWrapper<DmsWenjianBianhaoGuizeEntity> guizeQuery = new LambdaQueryWrapper<>();
        guizeQuery.in(DmsWenjianBianhaoGuizeEntity::getId, guizeIds);
        if (guizeMapper.selectCount(guizeQuery) != guizeIds.size()) {
            throw new DataException("存在未找到的文件编号规则，无法废弃");
        }

        LambdaUpdateWrapper<DmsWenjianBianhaoGuizeEntity> guizeUpdate = new LambdaUpdateWrapper<>();
        guizeUpdate.in(DmsWenjianBianhaoGuizeEntity::getId, guizeIds)
                .set(DmsWenjianBianhaoGuizeEntity::getBizEnabled, BIZ_ENABLED_DISABLED);
        guizeMapper.update(null, guizeUpdate);
    }

    private String trimToEmpty(String value) {
        return value == null ? "" : value.trim();
    }
}