package org.dromara.eims.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import org.dromara.eims.domain.EimsEquType;
import org.dromara.eims.domain.vo.EimsEquTypeVo;
import org.dromara.eims.mapper.EimsEquTypeMapper;
import org.springframework.stereotype.Service;
import org.dromara.eims.domain.bo.EimsFaultKnowBo;
import org.dromara.eims.domain.vo.EimsFaultKnowVo;
import org.dromara.eims.domain.EimsFaultKnow;
import org.dromara.eims.mapper.EimsFaultKnowMapper;
import org.dromara.eims.service.IEimsFaultKnowService;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 故障知识Service业务层处理
 *
 * @author zhuguifei
 * @date 2025-03-18
 */
@RequiredArgsConstructor
@Service
public class EimsFaultKnowServiceImpl implements IEimsFaultKnowService {

    private final EimsFaultKnowMapper baseMapper;
    private final EimsEquTypeMapper equTypeMapper;

    /**
     * 查询故障知识
     *
     * @param id 主键
     * @return 故障知识
     */
    @Override
    public EimsFaultKnowVo queryById(Long id){
        return baseMapper.selectVoById(id);
    }

    /**
     * 分页查询故障知识列表
     *
     * @param bo        查询条件
     * @param pageQuery 分页参数
     * @return 故障知识分页列表
     */
    @Override
    public TableDataInfo<EimsFaultKnowVo> queryPageList(EimsFaultKnowBo bo, PageQuery pageQuery) {
        QueryWrapper<EimsFaultKnow> qw = buildWrapper(bo);
        Page<EimsFaultKnowVo> result = baseMapper.selectFaultKnowList(pageQuery.build(), qw);
        return TableDataInfo.build(result);
    }

    /**
     * 查询符合条件的故障知识列表
     *
     * @param bo 查询条件
     * @return 故障知识列表
     */
    @Override
    public List<EimsFaultKnowVo> queryList(EimsFaultKnowBo bo) {
        LambdaQueryWrapper<EimsFaultKnow> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<EimsFaultKnow> buildQueryWrapper(EimsFaultKnowBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<EimsFaultKnow> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getEquId() != null, EimsFaultKnow::getEquId, bo.getEquId());
        lqw.eq(bo.getEquType() != null, EimsFaultKnow::getEquType, bo.getEquType());
        lqw.eq(StringUtils.isNotBlank(bo.getEquPart()), EimsFaultKnow::getEquPart, bo.getEquPart());
        lqw.eq(StringUtils.isNotBlank(bo.getFaultCode()), EimsFaultKnow::getFaultCode, bo.getFaultCode());
        lqw.eq(StringUtils.isNotBlank(bo.getFaultType()), EimsFaultKnow::getFaultType, bo.getFaultType());
        lqw.eq(StringUtils.isNotBlank(bo.getFaultReason()), EimsFaultKnow::getFaultReason, bo.getFaultReason());
        lqw.eq(StringUtils.isNotBlank(bo.getReqDesc()), EimsFaultKnow::getReqDesc, bo.getReqDesc());
        lqw.eq(StringUtils.isNotBlank(bo.getResHandle()), EimsFaultKnow::getResHandle, bo.getResHandle());
        return lqw;
    }
    private QueryWrapper<EimsFaultKnow> buildWrapper(EimsFaultKnowBo bo) {
        Map<String, Object> params = bo.getParams();
        QueryWrapper<EimsFaultKnow> qw = Wrappers.query();
        qw.eq(bo.getEquId() != null, "fk.equ_id", bo.getEquId());
        qw.eq(bo.getEquType() != null,"fk.equ_type", bo.getEquType());
        qw.like(bo.getEquName() != null,"eu.equ_name", bo.getEquName());
        qw.like(bo.getAssetNo() != null,"eu.asset_no", bo.getAssetNo());
        qw.eq(StringUtils.isNotBlank(bo.getEquPart()), "fk.equ_part", bo.getEquPart());
        qw.like(StringUtils.isNotBlank(bo.getFaultCode()), "fk.fault_code", bo.getFaultCode());
        qw.eq(StringUtils.isNotBlank(bo.getFaultType()), "fk.fault_type", bo.getFaultType());
        qw.eq(StringUtils.isNotBlank(bo.getFaultReason()), "fk.fault_reason", bo.getFaultReason());
        qw.like(StringUtils.isNotBlank(bo.getReqDesc()),"fk.req_desc", bo.getReqDesc());
        qw.like(StringUtils.isNotBlank(bo.getResHandle()), "fk.res_handle", bo.getResHandle());

        if (bo.getEquTypeId() != null && bo.getEquTypeId() > 0) {
            List<Long> allDescendantIds = getAllDescendantIds(bo.getEquTypeId());
            qw.in("et.equ_type_id", allDescendantIds);
        }


        return qw;
    }

    /**
     * 根据id，获取所有后代id
     *
     * @param rootId
     * @return
     */
    public List<Long> getAllDescendantIds(Long rootId) {
        List<Long> result = new ArrayList<>();
        result.add(rootId);
        collectDescendants(rootId, result);
        return result;
    }

    private void collectDescendants(Long currentId, List<Long> collector) {
        QueryWrapper<EimsEquType> equTypeWrapper = new QueryWrapper<>();
        equTypeWrapper.lambda().eq(EimsEquType::getParentId, currentId);

        List<EimsEquTypeVo> children = equTypeMapper.selectVoList(equTypeWrapper);
        if (children != null && !children.isEmpty()) {
            for (EimsEquTypeVo child : children) {
                Long childId = child.getEquTypeId();
                collector.add(childId);
                collectDescendants(childId, collector);
            }
        }
    }

    /**
     * 新增故障知识
     *
     * @param bo 故障知识
     * @return 是否新增成功
     */
    @Override
    public Boolean insertByBo(EimsFaultKnowBo bo) {
        EimsFaultKnow add = MapstructUtils.convert(bo, EimsFaultKnow.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改故障知识
     *
     * @param bo 故障知识
     * @return 是否修改成功
     */
    @Override
    public Boolean updateByBo(EimsFaultKnowBo bo) {
        EimsFaultKnow update = MapstructUtils.convert(bo, EimsFaultKnow.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(EimsFaultKnow entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 校验并批量删除故障知识信息
     *
     * @param ids     待删除的主键集合
     * @param isValid 是否进行有效性校验
     * @return 是否删除成功
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteByIds(ids) > 0;
    }
}