package com.gkhy.exam.framework.job;

import cn.hutool.core.util.ObjectUtil;
import com.gkhy.exam.common.constant.CacheConstant;
import com.gkhy.exam.common.enums.ResourceTypeEnum;
import com.gkhy.exam.common.utils.RedisUtils;
import com.gkhy.exam.system.domain.ExResource;
import com.gkhy.exam.system.domain.ExStudentStudy;
import com.gkhy.exam.system.mapper.ExResourceMapper;
import com.gkhy.exam.system.mapper.ExStudentStudyMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.math.BigDecimal;
import java.util.Set;

/**
 * 学习进度job
 */
@Component
public class UserStudyJob {
    @Autowired
    private ExResourceMapper resourceMapper;
    @Autowired
    private ExStudentStudyMapper studentStudyMapper;
    @Autowired
    private RedisUtils redisUtils;

    public void progress(){
        Set<String> keys = redisUtils.keys(CacheConstant.STUDY_PROCESS_KEY + "*");
        if(ObjectUtil.isNotEmpty(keys)){
            for(String key:keys){
                ExStudentStudy studentStudy = (ExStudentStudy) redisUtils.get(key);
                ExResource resource=resourceMapper.selectById(studentStudy.getResourceId());
                if(ResourceTypeEnum.VIDEO.getCode().equals(resource.getResourceType())||ResourceTypeEnum.AUDIO.getCode().equals(resource.getResourceType())){
                    studentStudy.setProgress(new BigDecimal(studentStudy.getCurrentDuration()).divide(new BigDecimal(resource.getResourceLength()),BigDecimal.ROUND_CEILING).multiply(BigDecimal.valueOf(100)));
                }else{
                    studentStudy.setProgress(BigDecimal.valueOf(studentStudy.getCurrentPage()).divide(BigDecimal.valueOf(resource.getDocPage()).multiply(BigDecimal.valueOf(100))));

                }
                studentStudyMapper.updateById(studentStudy);
                redisUtils.del(key);
            }
        }

    }
}