package com.zteits.park.cache;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import org.apache.commons.lang3.StringUtils;
import com.alibaba.fastjson.JSONObject;
import com.clouds.common.cache.base.AbstractCache;
import com.clouds.common.cache.base.HashCacheVO;
import com.clouds.common.constants.RedisKeyEnum;
import com.github.pagehelper.PageHelper;
import com.google.common.collect.Lists;
import com.zteits.clouds.api.apibase.constants.DataStatusEnum;
import com.zteits.park.domain.ParkFreeBerth;
import com.zteits.park.domain.ParkFreeBerthExample;
import com.zteits.park.mapper.ParkFreeBerthMapper;

/**
 * 停车场空闲车位缓存
 * 
 * Copyright: Copyright (c) 2017  zteits
 * 
 * @ClassName: ParkLotIdleBerths.java
 * @Description: 
 * @version: v1.0.0
 * @author: zhaowg
 * @date: 2017年5月24日   下午2:28:40 
 * Modification History: 
 * Date             Author          Version            Description
 *---------------------------------------------------------*
 * 2017年5月24日      zhaowg              v1.0.0               创建
 */
@Component
public class ParkFreeBerthsCache extends AbstractCache<HashCacheVO>{
	@Autowired
	private ParkFreeBerthMapper parkFreeBerthMapper;
	
	@Override
	public List<HashCacheVO> getData(int pageNum, int pageSize) {
		PageHelper.startPage(pageNum, pageSize);
		ParkFreeBerthExample record = new ParkFreeBerthExample();
		record.createCriteria().andDataStatusEqualTo(DataStatusEnum.DATA_STATUS_VALID.value());
		List<ParkFreeBerth> parkFreeBerthList=parkFreeBerthMapper.selectByExample(record);
		if(CollectionUtils.isEmpty(parkFreeBerthList)){
			return Lists.newArrayList();
		}
		List<HashCacheVO> result = Lists.newArrayList();
		for (ParkFreeBerth parkFreeBerth : parkFreeBerthList) {
			//存放值
			String hkey = parkFreeBerth.getPlNo();
			if(StringUtils.isBlank(hkey)){
				continue;
			}
			JSONObject json = new JSONObject();
			json.put("plNo", hkey);
			json.put("freeBerths", parkFreeBerth.getFreeBerth());
			json.put("realFreeBerths",parkFreeBerth.getRealFreeBerth());
			HashCacheVO cacheVO = new HashCacheVO(hkey, json);
			result.add(cacheVO);
		}
		return result;
	}

	@Override
	public long getTotalSize() {
		ParkFreeBerthExample record = new ParkFreeBerthExample();
		record.createCriteria().andDataStatusEqualTo(DataStatusEnum.DATA_STATUS_VALID.value());
		return parkFreeBerthMapper.countByExample(record);
	}

	@Override
	public String getKey() {
		return RedisKeyEnum.PARK_FREEBERTH_PLNO_FREEBERTH_MAP.key();
	}

}