package com.netscape.pkisilent.http;
// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---


import java.util.ArrayList;
import java.util.StringTokenizer;

import com.netscape.pkisilent.common.Utilities;


public class HTTPResponse
{
  // The set of cookie values included in this response.
  ArrayList<String> cookieValueList;

  // The names of the headers included in this response.
  ArrayList<String> headerNameList;

  // The values of the headers included in this response.
  ArrayList<String> headerValueList;

  // The actual data associated with this response.
  byte[] responseData;

  // The HTML document included in the response, if appropriate.
  HTMLDocument htmlDocument;

  // The number of bytes contained in the content of the response.
  int contentLength;

  // The HTTP status code for the response.
  int statusCode;

  // The MIME type of the response.
  String contentType;

  // The protocol version string for this response.
  String protolVersion;

  // The response message for this response.
  String responseMessage;

	// Parsed Content Name/Value pair info
	ArrayList<String> contentName;
	ArrayList<String> contentValue;



  /**
   * Creates a new HTTP response with the provided status code.
   *
   * @param  statusCode       The HTTP status code for this response.
   * @param  protocolVersion  The protocol and version for this response.
   * @param  responseMessage  The message associated with this response.
   */
  public HTTPResponse(int statusCode, String protocolVersion,
                      String responseMessage)
  {
    this.statusCode      = statusCode;
    this.protolVersion   = protocolVersion;
    this.responseMessage = responseMessage;

    htmlDocument    = null;
    contentType     = null;
    contentLength   = -1;
    responseData    = new byte[0];
    cookieValueList = new ArrayList<String>();
    headerNameList  = new ArrayList<String>();
    headerValueList = new ArrayList<String>();
    contentName = new ArrayList<String>();
    contentValue = new ArrayList<String>();
  }



  /**
   * Retrieves the status code for this HTTP response.
   *
   * @return  The status code for this HTTP response.
   */
  public int getStatusCode()
  {
    return statusCode;
  }



  /**
   * Retrieves the protocol version for this HTTP response.
   *
   * @return  The protocol version for this HTTP response.
   */
  public String getProtocolVersion()
  {
    return protolVersion;
  }



  /**
   * Retrieves the response message for this HTTP response.
   *
   * @return  The response message for this HTTP response.
   */
  public String getResponseMessage()
  {
    return responseMessage;
  }



  /**
   * Retrieves the value of the header with the specified name.  If the
   * specified header has more than one value, then only the first will be
   * retrieved.
   *
   * @return  The value of the header with the specified name, or
   *          <CODE>null</CODE> if no such header is available.
   */
  public String getHeader(String headerName)
  {
    String    lowerName = headerName.toLowerCase();

    for (int i=0; i < headerNameList.size(); i++)
    {
      if (lowerName.equals(headerNameList.get(i)))
      {
        return  headerValueList.get(i);
      }
    }

    return null;
  }



  /**
   * Retrieves the set of values for the specified header.
   *
   * @return  The set of values for the specified header.
   */
  public String[] getHeaderValues(String headerName)
  {
    ArrayList<String> valueList = new ArrayList<String>();
    String    lowerName = headerName.toLowerCase();

    for (int i=0; i < headerNameList.size(); i++)
    {
      if (lowerName.equals(headerNameList.get(i)))
      {
        valueList.add(headerValueList.get(i));
      }
    }

    String[] values = new String[valueList.size()];
    valueList.toArray(values);
    return values;
  }



  /**
   * Adds a header with the given name and value to this response.
   *
   * @param  headerName   The name of the header to add to this response.
   * @param  headerValue  The value of the header to add to this response.
   */
  public void addHeader(String headerName, String headerValue)
  {
    String lowerName = headerName.toLowerCase();
    headerNameList.add(lowerName);
    headerValueList.add(headerValue);

    if (lowerName.equals("content-length"))
    {
      try
      {
        contentLength = Integer.parseInt(headerValue);
      } catch (NumberFormatException nfe) {}
    }
    else if (lowerName.equals("content-type"))
    {
      contentType = headerValue;
    }
    else if (lowerName.equals("set-cookie"))
    {
      cookieValueList.add(headerValue);
    }
  }



  /**
   * Retrieves a two-dimensional array containing the header data for this
   * response, with each element being an array containing a name/value pair.
   *
   * @return  A two-dimensional array containing the header data for this
   *          response.
   */
  public String[][] getHeaderElements()
  {
    String[][] headerElements = new String[headerNameList.size()][2];
    for (int i=0; i < headerNameList.size(); i++)
    {
      headerElements[i][0] =  headerNameList.get(i);
      headerElements[i][1] =  headerValueList.get(i);
    }

    return headerElements;
  }



  /**
   * Retrieves the raw data included in this HTTP response.  If the response did
   * not include any data, an empty array will be returned.
   *
   * @return  The raw data included in this HTTP response.
   */
  public byte[] getResponseData()
  {
    return responseData;
  }


	public String getHTML()
	{
		String htmlString = new String(responseData);
		return htmlString;
	}

	public String getHTMLwithoutTags()
	{
		String htmlString = new String(responseData);
		HTMLDocument htmldocument = new HTMLDocument(htmlString);
		return htmldocument.getTextData();
	}
	public void parseContent()
	{
		// parse the responseData byte[] buffer and split content into name
		// value pair
		String htmlString = new String(responseData);
		StringTokenizer st = new StringTokenizer(htmlString, "\n");
		Utilities ut = new Utilities();

		while(st.hasMoreTokens())
		{
			String line = st.nextToken();
			// format for line assumed to be name="value"; format

			int eqPos = line.indexOf('=') ;
			if(eqPos != -1)
			{
				String name = line.substring(0,eqPos);
				String tempval = line.substring(eqPos+1).trim();
				String value = ut.cleanupQuotes(ut.removechar(tempval));
					
				// add to array
				this.contentName.add(name.trim());
				this.contentValue.add(value);
			}

		}
		
	}



	public String getContentValue(String headerName)
	{
		for (int i=0; i < contentName.size(); i++)
		{
			if (headerName.equals(contentName.get(i)))
			{
				return  contentValue.get(i);
			}
		}

		return null;
	}

	public ArrayList<String> getContentNames()
	{
		return contentName;
	}

	public ArrayList<String> getContentValues()
	{
		return contentValue;
	}

  /**
   * Sets the actual data associated with this response.
   *
   * @param  responseData  The actual data associated with this response.
   */
  public void setResponseData(byte[] responseData)
  {
    if (responseData == null)
    {
      this.responseData = new byte[0];
    }
    else
    {
      this.responseData = responseData;
    }
  }



  /**
   * Retrieves the content length associated with this response.
   *
   * @return  The content length associated with this response, or -1 if no
   *          content length is available.
   */
  public int getContentLength()
  {
    return contentLength;
  }



  /**
   * Retrieves the content type associated with this response.
   *
   * @return  The content type associated with this response, or
   *          <CODE>null</CODE> if no content type is available.
   */
  public String getContentType()
  {
    return contentType;
  }



  /**
   * Retrieves an array containing the values of the cookies that should be set
   * based on the information in this response.
   *
   * @return  An array containing the values of the cookies that should be set
   *          based on the information in this response.
   */
  public String[] getCookieValues()
  {
    String[] cookieValues = new String[cookieValueList.size()];
    cookieValueList.toArray(cookieValues);
    return cookieValues;
  }

	public String getCookieValue(String headerName)
	{
		for (int i=0; i < cookieValueList.size(); i++)
		{
			System.out.println("cookie list: " + cookieValueList.get(i));

			String temp =  cookieValueList.get(i);
			if (temp.startsWith(headerName))
			{
				return  cookieValueList.get(i);
			}
	}

		return null;
	}


}