package PrintLabyrinth;

import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.Attributes;
import java.lang.Integer;

public class LabyrinthXMLContentHandler extends DefaultHandler
{
  private int width_;
  private int height_;
  private char start_symbol_;
  private char wall_symbol_;
  private char diamond_symbol_;
  private char gallery_symbol_;
  private char worm_symbol_;
  private Direction starting_direction_;
  private char[][] labyrinth_data_;
  private String temp_labyrinth_data_;
  private String current_tag_;
  
  public LabyrinthXMLContentHandler()
  {
    width_=0;
    height_=0;
    start_symbol_= 0;
    wall_symbol_= 0;
    diamond_symbol_=0;
    worm_symbol_=0;
    starting_direction_= new Direction();
    temp_labyrinth_data_= new String();
    current_tag_= new String();
  }
  
  public void startDocument()
  {
  }

  public void startElement(String uri, String localName, String qualName, Attributes attribs)
  {
    current_tag_ = qualName;
  }
  
  public void characters(char[] charArray, int start, int length)
  {
    if(current_tag_.length() > 0)
    {
      String temp_string = new String(charArray, start, length);
      temp_string = temp_string.trim();
      
      if (current_tag_.equals(new String("width")))
      {
        width_=Integer.decode(temp_string).intValue();
      }
      
      else if (current_tag_.equals(new String("height")))
      {
        height_=Integer.decode(temp_string).intValue();
      }
      
      else if (current_tag_.equals(new String("StartSymbol")))
      {
        start_symbol_=temp_string.trim().charAt(0);
      }
      
      else if (current_tag_.equals(new String("WallSymbol")))
      {       
        wall_symbol_=temp_string.charAt(0);
      }
      
      else if (current_tag_.equals(new String("DiamondSymbol")))
      {       
        diamond_symbol_=temp_string.charAt(0);
      }
      
      else if (current_tag_.equals(new String("GallerySymbol")))
      {       
        gallery_symbol_=temp_string.charAt(0);
      }
      
      else if (current_tag_.equals(new String("WormSymbol")))
      {       
        worm_symbol_=temp_string.charAt(0);
      }
      
      else if (current_tag_.equals(new String("StartingDirection")))
      {     
        try
        {
          if (temp_string.equals(new String("UP")))
          {
            starting_direction_.setDirection(Direction.DIRECTION_UP);
          }
          else if (temp_string.equals(new String("RIGHT")))
          {
            starting_direction_.setDirection(Direction.DIRECTION_RIGHT);
          }
          else if (temp_string.equals(new String("DOWN")))
          {
            starting_direction_.setDirection(Direction.DIRECTION_DOWN);
          }
          else if (temp_string.equals(new String("LEFT")))
          {
            starting_direction_.setDirection(Direction.DIRECTION_LEFT);
          }
        }
        catch(IllegalDirectionException exc)
        {
          
        }
      }

      else if (current_tag_.equals(new String("Labyrinth")))
      {       
        if (temp_string.length() > 1)
        {
          temp_labyrinth_data_ = temp_labyrinth_data_ + temp_string + "\n";
        }
      }
    }
  }
  
  public void endElement(String uri, String localName, String qualName)
  {
    current_tag_="";
  }

  public void endDocument()
  {
    convertLabyrinthData();
  }
  
  private void convertLabyrinthData()
  {
    labyrinth_data_= new char[height_][width_];
    
    String[] rows = temp_labyrinth_data_.split("\n");

    for (int row_count=0; row_count<height_; row_count++)
    {
      temp_labyrinth_data_=rows[row_count].trim();
      for(int col_count =0; col_count<width_; col_count++)
      {
        labyrinth_data_[row_count][col_count]= temp_labyrinth_data_.charAt(col_count);
      }
    }
  }
  
  public int getWidth()
  {
    return width_;
  }
  
  public int getHeight()
  {
    return height_;
  }
  
  public char getStartSymbol()
  {
    return start_symbol_;
  }
  
  public char getWallSymbol()
  {
    return wall_symbol_;
  }
  
  public char getDiamondSymbol()
  {
    return diamond_symbol_;
  }
  
  public char getGallerySymbol()
  {
    return gallery_symbol_;
  }
  
  public char getWormSymbol()
  {
    return worm_symbol_;
  }
  
  public Direction getStartingDirection()
  {
    return starting_direction_;
  }
  
  public char[][] getLabyrinth()
  {
    return labyrinth_data_;
  }
  
}