package com.doumee.service.business.impl;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.doumee.core.model.LoginUserInfo;
import com.doumee.core.model.PageData;
import com.doumee.core.model.PageWrap;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.Utils;
import com.doumee.dao.admin.request.OptionsObject;
import com.doumee.dao.admin.response.ProblemDTO;
import com.doumee.dao.business.ProblemsMapper;
import com.doumee.dao.business.model.Problems;
import com.doumee.dao.web.response.ProblemsVO;
import com.doumee.service.business.ProblemsService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 试题信息表Service实现
 * @author 江蹄蹄
 * @date 2023/11/30 15:33
 */
@Service
public class ProblemsServiceImpl implements ProblemsService {

    @Autowired
    private ProblemsMapper problemsMapper;

    @Override
    public Integer create(Problems problems) {
        LoginUserInfo loginUserInfo = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
        if(loginUserInfo == null){
            loginUserInfo=problems.getLoginUserInfo();
        }
        Problems newProblems = new Problems();

        newProblems.setCreator(loginUserInfo.getId());
        newProblems.setCreateDate(new Date());
        newProblems.setEditor(loginUserInfo.getId());
        newProblems.setEditDate(new Date());
        newProblems.setIsdeleted(Constants.ZERO);
        newProblems.setRemark(problems.getRemark());
        newProblems.setTitle(problems.getTitle());
        if(null != problems.getObjectList() && problems.getObjectList().size() > 0) {
            newProblems.setOptions(JSON.toJSONString(problems.getObjectList()));
        }
        newProblems.setAnswer(problems.getAnswer());
        newProblems.setSortnu(problems.getSortnu());
        newProblems.setType(problems.getType());
        newProblems.setScore(problems.getScore());
        newProblems.setUseType(problems.getUseType());
        problemsMapper.insert(newProblems);
        return newProblems.getId();
    }

    @Override
    public void deleteById(Integer id) {
        problemsMapper.deleteById(id);
    }

    @Override
    public void delete(Problems problems) {
        UpdateWrapper<Problems> deleteWrapper = new UpdateWrapper<>(problems);
        problemsMapper.delete(deleteWrapper);
    }

    @Override
    public void deleteByIdInBatch(List<Integer> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return;
        }
        problemsMapper.deleteBatchIds(ids);
    }

    @Override
    public void updateById(Problems problems) {
        LoginUserInfo loginUserInfo = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
        if(loginUserInfo == null){
            loginUserInfo=problems.getLoginUserInfo();
        }
        Problems update = new Problems();
        update.setId(problems.getId());
        update.setEditor(loginUserInfo.getId());
        update.setEditDate(new Date());
        update.setTitle(problems.getTitle());
        if(null != problems.getObjectList() && problems.getObjectList().size() > 0) {
            update.setOptions(JSON.toJSONString(problems.getObjectList()));
        }
        update.setAnswer(problems.getAnswer());
        update.setSortnu(problems.getSortnu());
        update.setScore(problems.getScore());
        update.setType(problems.getType());
        update.setScore(problems.getScore());
        update.setUseType(problems.getUseType());
        problemsMapper.updateById(update);
    }

    @Override
    public void updateByIdInBatch(List<Problems> problemss) {
        if (CollectionUtils.isEmpty(problemss)) {
            return;
        }
        for (Problems problems: problemss) {
            this.updateById(problems);
        }
    }

    @Override
    public Problems findById(Integer id) {
        Problems problems = problemsMapper.selectById(id);
        if(null != problems && StringUtils.isNotBlank(problems.getOptions())) {
            problems.setObjectList(JSON.parseArray(problems.getOptions(), OptionsObject.class));
        }
        return problems;
    }

    @Override
    public Problems findOne(Problems problems) {
        QueryWrapper<Problems> wrapper = new QueryWrapper<>(problems);
        return problemsMapper.selectOne(wrapper);
    }

    @Override
    public List<Problems> findList(Problems problems) {
        QueryWrapper<Problems> wrapper = new QueryWrapper<>(problems);
        return problemsMapper.selectList(wrapper);
    }

    @Override
    public PageData<Problems> findPage(PageWrap<Problems> pageWrap) {
        IPage<Problems> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        QueryWrapper<Problems> queryWrapper = new QueryWrapper<>();
        Utils.MP.blankToNull(pageWrap.getModel());
        if (pageWrap.getModel().getId() != null) {
            queryWrapper.lambda().eq(Problems::getId, pageWrap.getModel().getId());
        }
        if (pageWrap.getModel().getCreator() != null) {
            queryWrapper.lambda().eq(Problems::getCreator, pageWrap.getModel().getCreator());
        }
        if (pageWrap.getModel().getCreateDate() != null) {
            queryWrapper.lambda().ge(Problems::getCreateDate, Utils.Date.getStart(pageWrap.getModel().getCreateDate()));
            queryWrapper.lambda().le(Problems::getCreateDate, Utils.Date.getEnd(pageWrap.getModel().getCreateDate()));
        }
        if (pageWrap.getModel().getEditor() != null) {
            queryWrapper.lambda().eq(Problems::getEditor, pageWrap.getModel().getEditor());
        }
        if (pageWrap.getModel().getEditDate() != null) {
            queryWrapper.lambda().ge(Problems::getEditDate, Utils.Date.getStart(pageWrap.getModel().getEditDate()));
            queryWrapper.lambda().le(Problems::getEditDate, Utils.Date.getEnd(pageWrap.getModel().getEditDate()));
        }
        if (pageWrap.getModel().getIsdeleted() != null) {
            queryWrapper.lambda().eq(Problems::getIsdeleted, pageWrap.getModel().getIsdeleted());
        }
        if (pageWrap.getModel().getRemark() != null) {
            queryWrapper.lambda().eq(Problems::getRemark, pageWrap.getModel().getRemark());
        }
        if (pageWrap.getModel().getTitle() != null) {
            queryWrapper.lambda().like(Problems::getTitle, pageWrap.getModel().getTitle());
        }
        if (pageWrap.getModel().getOptions() != null) {
            queryWrapper.lambda().eq(Problems::getOptions, pageWrap.getModel().getOptions());
        }
        if (pageWrap.getModel().getAnswer() != null) {
            queryWrapper.lambda().eq(Problems::getAnswer, pageWrap.getModel().getAnswer());
        }
        if (pageWrap.getModel().getSortnu() != null) {
            queryWrapper.lambda().eq(Problems::getSortnu, pageWrap.getModel().getSortnu());
        }
        if (pageWrap.getModel().getType() != null) {
            queryWrapper.lambda().in(Problems::getType, pageWrap.getModel().getType());
        }
        if (pageWrap.getModel().getScore() != null) {
            queryWrapper.lambda().eq(Problems::getScore, pageWrap.getModel().getScore());
        }
        if (pageWrap.getModel().getUseType() != null) {
            queryWrapper.lambda().eq(Problems::getUseType, pageWrap.getModel().getUseType());
        }
        queryWrapper.lambda().orderByAsc(Problems::getSortnu);
        queryWrapper.select("problems.*, (select REALNAME from system_user where system_user.id = problems.CREATOR) as creatorName");
        IPage<Problems> problemsIPage = problemsMapper.selectPage(page, queryWrapper);
        if(null != problemsIPage && problemsIPage.getRecords().size() > 0) {
            List<Problems> newProblems = new ArrayList<>();
            List<Problems> newDatas = problemsIPage.getRecords();
            for (Problems dto:newDatas) {
                dto.setObjectList(JSON.parseArray(dto.getOptions(), OptionsObject.class));
                newProblems.add(dto);
            }
            problemsIPage.setRecords(newProblems);
        }
        return PageData.from(problemsIPage);
    }

    @Override
    public long count(Problems problems) {
        QueryWrapper<Problems> wrapper = new QueryWrapper<>(problems);
        return problemsMapper.selectCount(wrapper);
    }

    @Override
    public List<ProblemDTO> findListByUseType(Integer useType) {
        LambdaQueryWrapper<Problems> wrapper = new LambdaQueryWrapper<>();

        wrapper.eq(Problems::getIsdeleted, Constants.ZERO)
                .eq(Problems::getUseType, useType)
                .orderByAsc(Problems::getSortnu);
        List<Problems> problems = problemsMapper.selectList(wrapper);

        List<ProblemDTO> collect = problems.stream().map(s -> {
            ProblemDTO dto = new ProblemDTO();
            BeanUtils.copyProperties(dto, s);
            return dto;
        }).collect(Collectors.toList());

        return collect;

    }


    /**
     * 获取题目信息
     * @param useType
     * @return
     */
    @Override
    public List<ProblemsVO> getProblemsVO(Integer useType){
        List<Problems> problemsList = problemsMapper.selectList(new QueryWrapper<Problems>().lambda()
                .and(ms->ms.eq(Problems::getUseType,useType).or().eq(Problems::getUseType,Constants.ZERO))
                .eq(Problems::getIsdeleted, Constants.ZERO).orderByAsc(Problems::getSortnu));
        List<ProblemsVO> problemsVOList = new ArrayList<>();
        for (Problems problems:problemsList) {
            ProblemsVO problemsVO = new ProblemsVO();
            BeanUtils.copyProperties(problems,problemsVO);
            problemsVOList.add(problemsVO);
        }
        return problemsVOList;
    }




}