package seed.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;

import org.apache.log4j.Logger;

public class SeedProperties {
	
	private Logger log = Logger.getLogger(this.getClass());
	
	private static Properties configProperties = null;
	private static String configPath = null;
	private static File configFile = null;
	private static long propertiesLastModifyTime = 0l;
	
	public SeedProperties(){}
	
	public String configPropertiesInit(){
		
		if(configProperties == null || propertiesLastModifyTime < configFile.lastModified()){
			
			System.out.println("configProperties load");
			
			String getPath = SeedUtils.setReplaceNull(SeedSqlCon.class.getProtectionDomain().getCodeSource().getLocation().getPath());
			
			if(!getPath.equals("")){
				
				configPath = SeedUtils.setReplaceNull(SeedSqlCon.class.getProtectionDomain().getCodeSource().getLocation().getPath());
				int index = configPath.indexOf("WEB-INF");
				if(index > 0) configPath = configPath.substring(0, index+7);
				
				configPath = configPath + "/classes/config/seed/config.properties";
				
				System.out.println("configProperties load="+configPath);
				
				configFile = new File(configPath);
				
				if(configFile == null || !configFile.isFile()){
					log.error("Error configFile not file");
				}
				
				FileInputStream fileInputStream=null;
		
				try{
					
					fileInputStream = new FileInputStream(configFile);
					configProperties = new Properties();
					configProperties.load(fileInputStream);
					propertiesLastModifyTime = configFile.lastModified();
				}catch(FileNotFoundException fe){	
					log.error("SeedUtils configPropertiesInit FileNotFoundException");
				}catch(IOException ie){
					log.error("SeedUtils configPropertiesInit IOException");
				}catch(Exception ie){
					log.error("SeedUtils configPropertiesInit IOException");
				}finally{
					if (fileInputStream!=null) try{fileInputStream.close();}catch(IOException ie){log.error("SeedUtils configPropertiesInit IOException");}
					fileInputStream = null;
				}
			}
		}
			
		return configPath;
	}
	
	public String getConfigValue(String keyName){
		this.configPropertiesInit();
		return this.getConfigProperties().getProperty(keyName);
	}
	
	public String getConfigRootContextpath() {
		return getConfigValue("root.contextpath");
	}

	public Properties getConfigProperties() {
		return configProperties;
	}
	
	public static Properties getStaticConfigProperties() {
		return configProperties;
	}
	
	//메모리상 처리
	/*
	public void setProperties(String keyName, String sValue){
		getConfigProperties().setProperty(keyName, sValue);
   	}
   
	//파일 내부 처리
	public String setReplaceConfFile(String keyName, String sValue){
      
		String sTarget       = keyName+"="+getConfigProperties().getProperty(keyName);
		String sReplacement = keyName+"="+sValue;
      
		StringReplace sr = new StringReplace(configPath, sTarget, sReplacement);
		sr.processStringReplace();
      
		return sr.getMessage();
	}
	 
	public class StringReplace {
		private static final Logger LOG = Logger.getLogger(StringReplace.class.getName());
   
   		private String sFilename    = null;
   		private String sTarget       = null;
   		private String sReplacement = null;
   
	   private String sMessage    = null;
	   
	   public StringReplace(){}
   
	   public StringReplace(String sFilename, String sTarget, String sReplacement){
	      this.sFilename = sFilename;
	      this.sTarget = sTarget;
	      this.sReplacement = sReplacement;
	   }
	   
	   public String getMessage() {
	      return sMessage;
	   }
	
	   private void setMessage(String message) {
	      sMessage = message;
	   }
	
	   public void processStringReplace(){
	      if(sFilename==null || sFilename.equals("")) {
	         setMessage("#1 파일이 선택되지 않았습니다.");
	         return;
	      }
	      if(sTarget==null || sTarget.equals("")){
	         setMessage("#2 대상 문자열이 선택되지 않았습니다.");
	         return;
	      }
	      if(sReplacement==null){
	         setMessage("#3 치환할 문자가 선택되지 않았습니다.");
	         return;
	      }
	      
	      if(this.setStringReplace() == 1){
	         setMessage("#4 정상적으로 치환되지 않았습니다.");
	         return;
	      }else{
	         setMessage("#5 정상적으로 처리되었습니다.");
	         return;
	      }
	   }
	   
	   private int setStringReplace(){
	      BufferedReader brReader = null;
	      BufferedWriter bwWriter = null;
	      int iReturnValue       = 0;
	      
	      sFilename= SeedUtils.setFilePathReplaceAll(sFilename);
	      
	      try{
	         brReader     = new BufferedReader(new InputStreamReader(new FileInputStream(sFilename),"UTF-8"));
	         String sTmp  = null;
	         ArrayList al = new ArrayList();
	         
	         while((sTmp = brReader.readLine()) != null) {
	            al.add(sTmp.replaceAll(sTarget, sReplacement));
	         }
	         
	         bwWriter     = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(sFilename ),"UTF-8"));
	         
	         for(int i = 0 ; i < al.size(); i++){
	            bwWriter.write((String)al.get(i));
	            bwWriter.newLine();
	         }
	      }catch(IOException e){
	         LOG.error("IGNORE:",e);
	         iReturnValue = 1;
	      }finally{
	         if(bwWriter != null)   try {   bwWriter.flush();   } catch (IOException e) {LOG.error("IGNORE:",e);}
	         if(bwWriter != null)   try {   bwWriter.close();   } catch (IOException e) {LOG.error("IGNORE:",e);}
	         if(brReader != null)   try {   brReader.close();   } catch (IOException e) {LOG.error("IGNORE:",e);}
	      }
	      
	      return iReturnValue;
	   }
	}
	 */
}