package com.dsh.course.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dsh.course.entity.Problem;
import com.dsh.course.entity.SensitiveWords;
import com.dsh.course.mapper.ProblemMapper;
import com.dsh.course.mapper.SensitiveWordsMapper;
import com.dsh.course.service.IProblemService;
import com.dsh.guns.modular.system.util.ResultUtil;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;
import java.util.Map;


@Service
public class ProblemServiceImpl extends ServiceImpl<ProblemMapper, Problem> implements IProblemService {

    @Resource
    private ProblemMapper problemMapper;

    @Resource
    private SensitiveWordsMapper sensitiveWordsMapper;



    /**
     * 添加留言
     * @param content
     * @param uid
     * @return
     * @throws Exception
     */
    @Override
    public ResultUtil leaveMessage(String content, Integer uid) throws Exception {
        if(!StringUtils.isEmpty(content)){
            if(content.length() > 200){
                return ResultUtil.error("留言内容过长");
            }
            List<SensitiveWords> sensitiveWords = sensitiveWordsMapper.selectList(null);
            for(SensitiveWords s : sensitiveWords){
                content = content.replaceAll(s.getContent(), "***");
            }
        }

        Problem problem = new Problem();
        problem.setContent(content);
        problem.setUserId(uid);
        problem.setInsertTime(new Date());
        problem.setState(1);
        this.baseMapper.insert(problem);
        return ResultUtil.success();
    }


    /**
     * 获取提交的留言
     * @param pageNum
     * @param size
     * @param uid
     * @return
     * @throws Exception
     */
    @Override
    public List<Map<String, Object>> queryProblems(Integer pageNum, Integer size, Integer uid) throws Exception {
        pageNum = (pageNum - 1) * size;
        return problemMapper.queryProblems(pageNum, size, uid);
    }
}