package com.platform.glusterfs;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.junit.Test;

import com.platform.utils.Constant;



public class RemoveData {
	
	public static Logger log =   Logger.getLogger ( RemoveData.class); 
	public int deleteVolumeFiles(String volumeName,String fileName){
		log.info("start delete "+volumeName+" "+fileName);	
		int status=-1;
		/**
		 * get mount point of volumeName
		 */
		String folderName=volumeName;
		
		status=deleteFolderFiles(folderName,fileName);
		return status;
	}
	
	/**
	 * -1 :error; 0: the filename is not exists ; 1:  right
	 * @param folderName
	 * @param fileName
	 * @return
	 */
	public int deleteFolderFiles(String folderName,String fileName){
		log.info("start delete "+folderName+"/"+fileName);	
		
		ShowData showData=new ShowData();
		Map<String,String> reStrings=showData.showFolderData(folderName+"/"+fileName);
		
		if(reStrings==null){
			log.error("3301 "+folderName+"/"+fileName+" is not exists");
			return -1;
		}
		
		String command="rm -r "+folderName+"/"+fileName;
				
//		int status=runCommand.runCommand(command);
		Constant.ganymedSSH.execCmdNoWaitAcquiescent(command);
		
		log.info("delete "+folderName+" "+fileName+" running");	
		return 1;
	}
	
	public int getFolderSize(String name) {
		log.info("get "+name+" size");	
		String command="du -k -d 0 "+name;
		/*
		 * RunCommand runCommand=new RunCommand();
		 
		List<String> reStrings=runCommand.runCommandWait(command);
		*/
		List<String> reStrings=Constant.ganymedSSH.execCmdWaitAcquiescent(command);
		
		if(reStrings==null){
			log.error("3302 the "+command+" return error");
			return -1;
		}
		if(reStrings.size()<1){
			log.error("3303 the "+command+" return error");
			return -1;
		}
		
		if(reStrings.size()==1 && reStrings.get(0).contains("No such file or directory")){
			log.info("3304 "+name+" is not exists");
			return 0;
		}
		String strSize=(reStrings.get(0).split("\t"))[0];
		int size=Integer.parseInt(strSize);
		log.info(name +" size is "+size);
		return size;
	}
	
//	@Test
	public void test_getFolderSize() {
		PropertyConfigurator.configure("log4j.properties");
		getFolderSize("/home/ubuntu");
	}
	
	@Test
	public void testDeleteFolderFiles() {
		PropertyConfigurator.configure("log4j.properties");
		deleteFolderFiles("/home/ubuntu","system_data");
	}
	
}