/* 
 * Program to simulate the phenomenon known as grapheme to color syesthesia. 
 * This program is written as an interpreter that recognizes and responds to: 
 *  - exit | terminate the program 
 *  - remap | redefine the mapping from letters to colors 
 *  - WORD OR PHRASE | simply show the word or phrase in synesthetic color 
 */

package synesthesia;

import java.awt.Color;
import  java.awt.Point;
import java.awt.geom.Point2D;
import javax.swing.*;

import painter.SPainter;

public class GraphemeToColorSyesthesia {

    private static final int fontsize = 30;
    private static final String theLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    private static String[] letters;
    private static Color[] colors;

    private void paintingCode(){

        // INITIALIZATION
        SPainter miro = new SPainter(1200,220);
        miro.setScreenLocation(30,30);
        miro.setFontSize(fontsize);
        initializeColorMap(theLetters);

        //INTERPRETATION
        while ( true ){
            String input = JOptionPane.showInputDialog(null,
                    "Please enter a word, or a few words ...");
            if ( input == null) { input = "EXIT"; }
            input = input.toUpperCase();
            if ( input.equals("EXIT") ) {
                break;
            } else if ( input.equals( "REMAP" )) {
                initializeColorMap(theLetters);
                showLetters(miro, theLetters);
            } else {
                showLetters(miro, input.toUpperCase());
            }
        }
        miro.end();
    }

    private static void showLetters(SPainter miro, String input) {
        // READY
        eraseWhiteBoard(miro);
        // SET
        miro.moveTo(new Point.Double(100,100));
        // GO
        for ( int i = 0; i < input.length(); i = i + 1 ){
            String letter = input.substring(i, i+1);
            Color color = getLetterColor(letter);
            miro.setColor(color);
            miro.draw(letter);
            miro.mrt(fontsize);
        }
    }

    private static void initializeColorMap(String specialLetters){
        letters = new String[specialLetters.length()];
        colors = new Color[specialLetters.length()];
        for ( int i = 0; i < letters.length; i = i + 1 ){
            letters[i] = specialLetters.substring(i, i+1);
            colors[i] = randomColor();
        }
    }

    private static Color getLetterColor(String letter) {
        for ( int i = 0; i < letters.length; i = i + 1 ) {
            if ( letter.equalsIgnoreCase(letters[i])){
                return colors[i];
            }
        }
        return Color.black;
    }

    private static Color randomColor(){
        int rv = (int)(Math.random()*256);
        int gv = (int)(Math.random()*256);
        int bv = (int)(Math.random()*256);
        return new Color(rv, gv, bv);
    }

    private static void eraseWhiteBoard(SPainter miro){
        miro.setColor(Color.WHITE);
        miro.wash();
        miro.paintFrame(Color.black, 5);
    }

    // INFRASTRUCTURE FOR SOME SIMPLE PAINTING
    public GraphemeToColorSyesthesia() {
        paintingCode();
    }

    public static void main(String[] args){
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new GraphemeToColorSyesthesia();
            }
        });
    }
}