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

import java.io.File;
import java.util.ArrayList;
import org.apache.commons.lang3.StringUtils;

import com.alibaba.fastjson.JSONObject;
import com.vci.common.exception.VciExceptionTool;
import com.vci.common.resource.CommonProperties;
import com.vci.corba.omd.btm.BtmItem;
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.biztype.service.BTMService;
import com.vci.corba.common.VCIError;

public class BizTypeCacheUtil {
	private static volatile BizTypeCacheUtil instance = null;
	private static ArrayList<String> pathList = null;
	
	public static void initCache() {
		clearCache();
		try {
			getInstance().initBTMItem();
			getInstance().initImagePaths();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public static void clearCache() {
		RedisUtil.getInstance().del(CacheNames.BIZTYPES);
	}

	
	public static void setBizType(BtmItem item) {
		if (item == null)
			return;
		
		String jsonObj = JSONObject.toJSONString(item);
		
		RedisUtil.getInstance().hset(CacheNames.BIZTYPES, item.name.toLowerCase(), jsonObj);
	}
	
	
	public static void delBizType(String name) {
		if (StringUtils.isBlank(name))
			return;
		
		RedisUtil.getInstance().hdel(CacheNames.BIZTYPES, name.toLowerCase());
	}

	private BizTypeCacheUtil() {
		pathList = new ArrayList<String>();
	}

	private static BizTypeCacheUtil getInstance() {
		if (instance == null) {
			synchronized (BizTypeCacheUtil.class) {
				if (instance == null) {
					instance = new BizTypeCacheUtil();
				}
			}
		}

		return instance;
	}

	/**
	 * 初始化BTM
	 * 
	 */
	private void initBTMItem() throws Exception {
		BtmItem[] bts = BTMService.getInstance().getAllBtmItem("");
		for (int i = 0; i < bts.length; i++) {
			setBizType(bts[i]);
		}
	}

	/**
	 * 初始化业务类型与数据库一致性检查
	 * 
	 */
	private void initImagePaths() throws Exception {
		String imagePath = CommonProperties.getStringProperty("imagePath");
		File imageFolder = new File(imagePath);
		File[] files = imageFolder.listFiles();
			if(files != null && files.length>0){
				for (File file : files) {
					if(file!=null){
						String name = file.getName();
						pathList.add("images/" + name);
				}
			}
			
		
		}
	}


	/**
	 * 将服务端image是路径下的文件 , 以images/fileName的形式返回
	 * 
	 * @throws VCIError
	 */
	public static String[] getImagePaths() throws VCIError {
		return getInstance().pathList.toArray(new String[0]);
	}


	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, "PLMBTM");
		return rsError;
	}
	
}