package jalview.gui;

import jalview.datamodel.*;
import jalview.schemes.*;
import jalview.analysis.*;
import java.awt.*;

public class DrawableSequence implements SequenceI {
  protected boolean fastDraw = true;

  protected Color   color = Color.black;

  protected SequenceI sequence;

  ColourSchemeI cs = new ZappoColourScheme();

  public DrawableSequence(SequenceI s) {
    this.sequence = s;

    _init();
  }

  public DrawableSequence(String name,String seq, int start, int end) {
    sequence   = new Sequence(name,seq,start,end);

    _init();
  }

  private void _init() {

  }

  public void setColourScheme(ColourSchemeI cs) {
    this.cs = cs;
  }

  public Color getResidueBoxColour(int i) {
    Color c = cs.findColour(this,sequence.getSequence(i,i+1),i,null);
    return c;
  }

  public void drawSequence(Graphics g,int start, int end, int x1, int y1, int width, int height,boolean showScores, boolean displayBoxes, boolean displayText) {

    if (displayBoxes == true) {
      drawBoxes(g,start,end,x1,y1,width, height);
    }
    if (displayText == true) {
        drawText(g,start,end,x1,y1,width,height);
    }
  }

  public void drawBoxes(Graphics g,int start, int end, int x1, int y1, int width, int height) {
    int i      = start;
    int length = getSequence().length();

    Color currentColor = Color.white;

    int curStart = x1;
    int curWidth = width;

    while (i <= end && i < length) {
      Color c = getResidueBoxColour(i);

      if (c != currentColor || c != null) {
        g.fillRect(x1+width*(curStart-start),y1,curWidth,height);

        currentColor = c;
        g.setColor(c);

        curStart = i;
        curWidth = width;
      } else {
        curWidth += width;
      }

      i++;
    }
    g.fillRect(x1+width*(curStart-start),y1,curWidth,height);
  }

  public void drawText(Graphics g, int start, int end, int x1, int y1, int width, int height) {
    int pady = 2;
    g.setColor(Color.black);
System.out.println("drawablesequence is drawing");
    // Need to find the sequence position here.

    if (fastDraw) {
	String s;
	if (end < getSequence().length()) {
	    s = getSequence().substring(start,end+1);
	} else {
	    s = getSequence().substring(start);
	}
        System.out.println(s+" "+x1+" "+y1);
      g.drawString(s,x1,y1+height-pady);
    } else {

      for (int i=start; i <= end; i++) {
        String s = "";

        if (i < end && i < getSequence().length()) {
          s = getSequence().substring(i,i+1);
        } else {
          s = getSequence().substring(i,i+1);
        }


        g.drawString(s,x1+width*(i-start),y1+height-pady);
      }

    }
  }


  public int getPosition(int res) {

    return res;
  }

  public int getResidue(int pos) {

    return pos;
  }

  // SequenceI methods

  public void        setName(String name) {
    sequence.setName(name);
  }
  public String      getName() {
    return sequence.getName();
  }
  public String      getDisplayId() {
    return sequence.getDisplayId();
  }

  public void        setStart(int start) {
    sequence.setStart(start);
  }
  public int         getStart() {
    return sequence.getStart();
  }

  public void        setEnd(int end) {
    sequence.setEnd(end);
  }
  public int         getEnd() {
    return sequence.getEnd();
  }

  public int         getLength() {
    return sequence.getLength();
  }

  public void        setSequence(String seq) {
    sequence.setSequence(seq);
  }
  public String      getSequence() {
    return sequence.getSequence();
  }
  public String      getSequence(int start,int end) {
    return sequence.getSequence(start,end);
  }
  public char        getCharAt(int i) {
    return sequence.getCharAt(i);
  }

  public void        setDescription(String desc) {
    sequence.setDescription(desc);
  }
  public String      getDescription() {
    return sequence.getDescription();
  }

  public int         findIndex(int pos) {
    return sequence.findIndex(pos);
  }
  public int         findPosition(int i) {
    return sequence.findPosition(i);
  }


  public void deleteCharAt(int i) {
    sequence.deleteCharAt(i);
  }

  public void insertCharAt(int i,char c) {
    sequence.insertCharAt(i,c);

  }

  public void       insertCharAt(int i,char c,boolean chop) {
    sequence.insertCharAt(i,c,chop);

  }
  public Color getColor() {
    return this.color;
  }

  public void setColor(Color c) {
    this.color = c;
  }

}