package com.vci.server.omd.statepool.cache;

import org.apache.commons.lang3.StringUtils;

import com.alibaba.fastjson.JSONObject;
import com.vci.common.exception.VciExceptionTool;
import com.vci.corba.common.VCIError;
import com.vci.corba.omd.stm.StatePool;
import com.vci.server.base.exception.ExceptionLocalHandler;
import com.vci.server.cache.CacheNames;
import com.vci.server.cache.redis.RedisUtil;
import com.vci.server.omd.statepool.service.StatePoolService;

public class StatePoolServerCacheUtil {// extends BaseCacheTimer{
	private static volatile StatePoolServerCacheUtil instance = null;
	private String[] pathes = null;


	private StatePoolServerCacheUtil() {

	}
	
	public static void initCache() {
		try {
			clearCache();
			getInstance().initStatePool();
			getInstance().initImagePaths();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public static void clearCache() {
		RedisUtil.getInstance().del(CacheNames.LIFESTATES);
	}

	public static void setLifeState(StatePool item) {
		if (item == null)
			return;
		
		String jsonObj = JSONObject.toJSONString(item);
		
		RedisUtil.getInstance().hset(CacheNames.LIFESTATES, item.name.toLowerCase(), jsonObj);
	}
	
	public static void delLifeState(String name) {
		if (StringUtils.isBlank(name))
			return;
		
		RedisUtil.getInstance().hdel(CacheNames.LIFESTATES, name.toLowerCase());
	}
	
	private static StatePoolServerCacheUtil getInstance() {
		if (instance == null) {
			synchronized (StatePoolServerCacheUtil.class) {
				if (instance == null) {
					instance = new StatePoolServerCacheUtil();
				}
			}
		}

		return instance;
	}

	private void initImagePaths() throws VCIError  {

		try {
			pathes = StatePoolService.getInstance().getImagePaths();
		} catch (Throwable e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			throw getLocalVciError("P0010STATE-00009", e);
		}
	}
	
	/**
	 * 初始化状态池
	 * 
	 */
	private void initStatePool() throws Exception {
		StatePool[] states = StatePoolService.getInstance().getStatePools();
		for (int i = 0; i < states.length; i++) {
			setLifeState(states[i]);
		}
	}

	public static String[] getImagePaths() throws Throwable {

		return getInstance().pathes;
	}

	protected VCIError getLocalVciError(String key, Throwable e) {
		VCIError error = new VCIError(key, new String[]{VciExceptionTool.getExceptionStr(e), VciExceptionTool.getExceptionDetail(e)});
		VCIError rsError = ExceptionLocalHandler.getInstance().getLocalString(error, "PLMSTATE");
		return rsError;
	}
}