package handler;

import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;

public class TextHandler extends Handler {
	private ArrayList<String> fileTypes = new ArrayList<String>();
	private String extension;
	private String data;
	
	public TextHandler(Handler next) {
		super(next);
		fileTypes.add("html");
	 	fileTypes.add("htm");
	 	fileTypes.add("css");
	 	fileTypes.add("js");
	 	}
	
	public Response handle(Request1 recvest){
     
		 String uri=recvest.getParameter("URI");
		 if (uri != null) {
		  String extension = uri.substring(uri.lastIndexOf('.')+ 1);
	     }else{
	      return super.handle(recvest);
		 }
		
		 if (!fileTypes.contains(extension)){
		  return super.handle(recvest);
		 }
		 String webRoot = Configurator.getInstance().getSettingsParameter("web-root");
	     String filePath=webRoot+uri;

	     File file = new File(filePath);
	     if(!file.exists()){
	      super.handle(recvest);
	     }
	     try{
           FileInputStream fis = new FileInputStream(file);
	       DataInputStream din=new DataInputStream(fis);
	       byte[] bytes;
	       int length= din.read(bytes);
	       String data=new String(bytes,0,length);
	       din.close();
	       fis.close();
	      }catch (FileNotFoundException fnfex) {
	        super.handle(recvest);
	      } catch(IOException ioex){
	        super.handle(recvest);
	      }
 	        
	     String[] ParamArray = {"HTTP/","Server","ContentType","Content-Length","Content-Type","Connection"};
	         
	     String totalResponse = ParamArray[0]+"1.1"+"200 OK"+"/n"+
	        	    		    ParamArray[1]+"YuriyServer/2009-09-09 "+"/n"+
	        	    		    ParamArray[2]+(int)file.length()+"/n"+
	        	                ParamArray[3]+"text"+extension+"/n"+
	        	    		    ParamArray[4]+"close"+"/n";
	          ResponsBuilder responsBuilder=new ResponsBuilder();
	          responsBuilder.buildRespons(totalResponse.getBytes());
	          responsBuilder.setData(data);
	          
		    }

			
	     }