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package jasmine.demo.sample.service;

import jasmine.framework.common.exception.DataNotFoundException;
import jasmine.framework.common.util.ErrorUtil;
import jasmine.framework.common.util.MapperUtil;
import jasmine.demo.sample.dto.SampleCreateDTO;
import jasmine.demo.sample.dto.SampleDTO;
import jasmine.demo.sample.dto.SampleUpdateDTO;
import jasmine.demo.sample.entity.Sample;
import jasmine.demo.sample.mapper.SampleMapper;
import jasmine.framework.lock.annotation.DistributedLock;
import jasmine.framework.database.mybatisplus.util.MapperExtensionUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author mh.z
 */
@Service
public class SampleService {
    private SampleMapper sampleMapper;

    public SampleService(SampleMapper sampleMapper) {
        this.sampleMapper = sampleMapper;
    }

    /**
     * 加锁
     *
     * @param lockName
     * @param lockTime
     */
    @DistributedLock(category = "sample", key = "#lockName")
    public void lockThenSleep(String lockName, Long lockTime) {
        try {
            Thread.sleep(lockTime);
        } catch (InterruptedException e) {
            throw ErrorUtil.sneakyError(e);
        }
    }

    /**
     * 查询数据
     *
     * @param sampleId
     * @return
     */
    public SampleDTO getSampleById(Long sampleId) {
        Sample sample = sampleMapper.selectById(sampleId);

        return MapperUtil.mapTo(sample, SampleDTO.class);
    }

    /**
     * 保存数据
     *
     * @param createDTO
     * @return
     */
    @Transactional(rollbackFor = Exception.class)
    public SampleDTO saveSample(SampleCreateDTO createDTO) {
        Sample sample = MapperUtil.mapTo(createDTO, Sample.class);
        sampleMapper.insert(sample);

        return MapperUtil.mapTo(sample, SampleDTO.class);
    }

    /**
     * 修改数据
     *
     * @param updateDTO
     * @return
     */
    @Transactional(rollbackFor = Exception.class)
    public SampleDTO updateSample(SampleUpdateDTO updateDTO) {
        Sample samplePO = sampleMapper.selectById(updateDTO.getId());
        if (samplePO == null) {
            throw new DataNotFoundException(Sample.class, updateDTO.getId(), null);
        }

        MapperUtil.mapFields(updateDTO, samplePO);
        MapperExtensionUtil.updateById(sampleMapper, samplePO, true);

        return MapperUtil.mapTo(samplePO, SampleDTO.class);
    }

}