package org.dromara.qa.qm.service.impl;

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 lombok.extern.slf4j.Slf4j;
import org.dromara.qa.qm.domain.QmStd;
import org.springframework.stereotype.Service;
import org.dromara.qa.qm.domain.bo.QmJudgeBo;
import org.dromara.qa.qm.domain.vo.QmJudgeVo;
import org.dromara.qa.qm.domain.QmJudge;
import org.dromara.qa.qm.mapper.QmJudgeMapper;
import org.dromara.qa.qm.service.IQmJudgeService;
import org.dromara.qa.qm.service.IQmStdService;
import org.dromara.qa.qm.mapper.QmStdMapper;

import java.util.List;
import java.util.Map;
import java.util.Collection;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.HashMap;

/**
 * 判定依据Service业务层处理
 *
 * @author zhuguifei
 * @date 2026-03-18
 */
@Slf4j
@RequiredArgsConstructor
@Service
public class QmJudgeServiceImpl implements IQmJudgeService {

    private final QmJudgeMapper baseMapper;
    private final QmStdMapper qmStdMapper;

    /**
     * 查询判定依据
     *
     * @param id 主键
     * @return 判定依据
     */
    @Override
    public QmJudgeVo queryById(String id){
        return baseMapper.selectVoById(id);
    }

    /**
     * 分页查询判定依据列表
     *
     * @param bo        查询条件
     * @param pageQuery 分页参数
     * @return 判定依据分页列表
     */
    @Override
    public TableDataInfo<QmJudgeVo> queryPageList(QmJudgeBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<QmJudge> lqw = buildQueryWrapper(bo);
        Page<QmJudgeVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        queryQmStd(result);
        return TableDataInfo.build(result);
    }

    private void queryQmStd(Page<QmJudgeVo> result) {
        if (result == null || result.getRecords() == null || result.getRecords().isEmpty()) {
            return;
        }
        List<QmJudgeVo> records = result.getRecords();

        // 1. Collect all unique stdCode values
        Set<String> stdCodes = records.stream()
            .map(QmJudgeVo::getStdCod)
            .filter(StringUtils::isNotBlank)
            .collect(Collectors.toSet());

        if (stdCodes.isEmpty()) {
            return;
        }

        // 2. Query QmStd entities based on the collected stdCode values
        LambdaQueryWrapper<QmStd> stdLqw = Wrappers.lambdaQuery();
        stdLqw.in(QmStd::getId, stdCodes);
        List<QmStd> qmStds = qmStdMapper.selectList(stdLqw);

        // 3. Create a map from stdCode to stdName for easy lookup
        Map<String, String> stdCodeToNameMap = qmStds.stream()
            .collect(Collectors.toMap(QmStd::getId, QmStd::getStdName, (oldValue, newValue) -> oldValue));

        // 4. Populate stdName for each QmJudgeVo
        records.forEach(judgeVo ->
            judgeVo.setStdName(stdCodeToNameMap.getOrDefault(judgeVo.getStdCod(), null))
        );
    }

    /**
     * 查询符合条件的判定依据列表
     *
     * @param bo 查询条件
     * @return 判定依据列表
     */
    @Override
    public List<QmJudgeVo> queryList(QmJudgeBo bo) {
        LambdaQueryWrapper<QmJudge> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<QmJudge> buildQueryWrapper(QmJudgeBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<QmJudge> lqw = Wrappers.lambdaQuery();
        lqw.like(StringUtils.isNotBlank(bo.getMatCode()), QmJudge::getMatCode, bo.getMatCode());
        lqw.like(StringUtils.isNotBlank(bo.getMatName()), QmJudge::getMatName, bo.getMatName());
        lqw.like(StringUtils.isNotBlank(bo.getJudgeName()), QmJudge::getJudgeName, bo.getJudgeName());
        lqw.eq(bo.getStatus()!=null,QmJudge::getStatus, bo.getStatus());
        lqw.eq(bo.getCategory()!=null,QmJudge::getCategory, bo.getCategory());
        return lqw;
    }

    /**
     * 新增判定依据
     *
     * @param bo 判定依据
     * @return 是否新增成功
     */
    @Override
    public Boolean insertByBo(QmJudgeBo bo) {
        QmJudge add = MapstructUtils.convert(bo, QmJudge.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改判定依据
     *
     * @param bo 判定依据
     * @return 是否修改成功
     */
    @Override
    public Boolean updateByBo(QmJudgeBo bo) {
        QmJudge update = MapstructUtils.convert(bo, QmJudge.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

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

    /**
     * 校验并批量删除判定依据信息
     *
     * @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<String> 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;
    }
}