//
//  trigDrill1.java
//  trigDrill1
//
//  Created by Chris Thiel on 2/4/05.
//  Copyright (c) 2005 Chris Thiel. All rights reserved.
//  A simple Java applet for practicing exact values
//  of trig ratios of special angles
//

import java.awt.*;
import java.applet.*;
import java.lang.*;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.Event;
import java.util.*;


public class trigDrill1 extends Applet {
	int MAX=24;
	private String[] fName = new String[6]; // names of the 6 functions
	private String[] aName = new String[16]; // names of 5 angles
	private String[] rName = new String[20]; // names of 20 ratios
	private Rectangle[] b = new Rectangle[20]; // button rectangles
	Date today;
	long dStart,dEnd;
	int diff;	
	boolean ShowScore=true;
	boolean ShowMore=false;
	boolean AcuteOnly=true;
	boolean EasyFunctions=true;
	private Color[] buttonColor = new Color[3];
	private int [][] k = new int [6][16]; //answer key
	private int [][] e = new int [6][16]; // error grid
	
	int buttonWidth=85;
	int buttonHeight=40;
	int Correct, Incorrect, a, f;
	double accuracy, n, avg, sd,ss,acc;
	Rectangle Reset, Next, EA, EF, More, Done ;
	private Image img = null;

    String message = "Trig Drill 1!";
	String lastQuestion;
    private Font font = new Font("serif", Font.ITALIC + Font.BOLD, 36);
	Font Hel = new Font("Helvetica",1,14);
	
    public void init() {
	
        setLayout (null);
		lastQuestion=" ";
		 setBackground(new Color(0xF0F0D0));
		img = getImage(getCodeBase(), "drill.gif");
		for (int i=0;i<6;i++) for (int j=0;j<16;j++)e[i][j]=0; //clear error grid
		// answer key:
		//sine
		k[0][0]=0; 
		k[0][1]=1;
		k[0][2]=3;
		k[0][3]=4;
		k[0][4]=5;
		k[0][5]=4;
		k[0][6]=3;
		k[0][7]=1;
		k[0][8]=0;
		k[0][9]=11;
		k[0][10]=13;
		k[0][11]=14;
		k[0][12]=15;
		k[0][13]=14;
		k[0][14]=13;
		k[0][15]=11;
		
		//cosine
		k[1][0]=5;
		k[1][1]=4;
		k[1][2]=3;
		k[1][3]=1;
		k[1][4]=0;
		k[1][5]=11;
		k[1][6]=13;
		k[1][7]=14;
		k[1][8]=15;
		k[1][9]=14;
		k[1][10]=13;
		k[1][11]=11;
		k[1][12]=0;
		k[1][13]=1;
		k[1][14]=3;
		k[1][15]=4;
		//tan
		k[2][0]=0;
		k[2][1]=2;
		k[2][2]=5;
		k[2][3]=7;
		k[2][4]=10;
		k[2][5]=17;
		k[2][6]=15;
		k[2][7]=12;
		k[2][8]=0;
		k[2][9]=2;
		k[2][10]=5;
		k[2][11]=7;
		k[2][12]=10;
		k[2][13]=17;
		k[2][14]=15;
		k[2][15]=12;
		//csc
		k[3][0]=10; 
		k[3][1]=6;
		k[3][2]=8;
		k[3][3]=9;
		k[3][4]=5;
		k[3][5]=9;
		k[3][6]=8;
		k[3][7]=6;
		k[3][8]=10;
		k[3][9]=16;
		k[3][10]=18;
		k[3][11]=19;
		k[3][12]=15;
		k[3][13]=19;
		k[3][14]=18;
		k[3][15]=16;
		//sec
		k[4][0]=5;
		k[4][1]=9;
		k[4][2]=8;
		k[4][3]=6;
		k[4][4]=10;
		k[4][5]=16;
		k[4][6]=18;
		k[4][7]=19;
		k[4][8]=15;
		k[4][9]=19;
		k[4][10]=18;
		k[4][11]=16;
		k[4][12]=10;
		k[4][13]=6;
		k[4][14]=8;
		k[4][15]=9;
		//cot
		k[5][0]=10;
		k[5][1]=7;
		k[5][2]=5;
		k[5][3]=2;
		k[5][4]=0;
		k[5][5]=12;
		k[5][6]=15;
		k[5][7]=17;
		k[5][8]=10;
		k[5][9]=7;
		k[5][10]=5;
		k[5][11]=2;
		k[5][12]=0;
		k[5][13]=12;
		k[5][14]=15;
		k[5][15]=17;

		
		
		
		fName[0]="sin";
		fName[1]="cos";
		fName[2]="tan";
		fName[3]="csc";
		fName[4]="sec";
		fName[5]="cot";
		
		// \u03c0 is the Pi symbol
		aName[0]="0";
		aName[1]="\u03c0"+"/6";
		aName[2]="\u03c0"+"/4";
		aName[3]="\u03c0"+"/3";
		aName[4]="\u03c0"+"/2";
		aName[5]="2\u03c0"+"/3";
		aName[6]="3\u03c0"+"/4";
		aName[7]="5\u03c0"+"/6";
		aName[8]="\u03c0";
		aName[9]="7\u03c0"+"/6";
		aName[10]="5\u03c0"+"/4";
		aName[11]="4\u03c0"+"/3";
		aName[12]="3\u03c0/2";
		aName[13]="5\u03c0"+"/3";
		aName[14]="7\u03c0"+"/4";
		aName[15]="11\u03c0"+"/6";

		
		// \u221A is the square root symbol
		rName[0]=" 0 ";
		rName[1]="1/2";
		rName[2]="\u221A3/3";
		rName[3]="\u221A2/2";
		rName[4]="\u221A3/2";
		rName[5]=" 1 ";
		rName[9]="2\u221A3/3";
		rName[7]="\u221A3";
		rName[8]="\u221A2";
		rName[6]=" 2 ";
		rName[10]="undef.";
		rName[11]="-1/2";
		rName[12]="-\u221A3/3";
		rName[13]="-\u221A2/2";
		rName[14]="-\u221A3/2";
		rName[15]=" -1 ";
		rName[19]="-2\u221A3/3";
		rName[17]="-\u221A3";
		rName[18]="-\u221A2";
		rName[16]=" -2 ";
		
		//Initailize the timing variables
    	today = new Date();
    	dStart=today.getTime();
		
		//setup the buttons and such
    	buttonColor[0] = new  Color( 200,250, 220); //positive numbers
		buttonColor[1] = new  Color( 250,200, 220); //negative number
		buttonColor[2] = new  Color( 200,200, 250);
		
	   
	    
	    Reset= new Rectangle (40, 210, 100,25);
		More = new Rectangle (170, 210, 100, 25);
		Done = new Rectangle (size().width-130, size().height-40, 115, 25);
	    Next= new Rectangle ( 300, 210, 160,25);
		EA = new Rectangle (465, 85, 10,10);
		EF = new Rectangle (465, 105, 10,10);
		for (int i=0;i<5;i++) {
			b[i] = new Rectangle (15+i*(buttonWidth+10),size().height-4*(buttonHeight+10)-10, buttonWidth, buttonHeight);
			b[i+5] = new Rectangle (15+i*(buttonWidth+10),size().height-3*(buttonHeight+10)-10, buttonWidth, buttonHeight);
			b[i+10] = new Rectangle (15+i*(buttonWidth+10),size().height-2*(buttonHeight+10)-10, buttonWidth, buttonHeight);
			b[i+15] = new Rectangle (15+i*(buttonWidth+10),size().height-(buttonHeight+10)-10, buttonWidth, buttonHeight);
			}
		repaint();
    }
	
    public void paint (Graphics g) {
        g.setColor(Color.blue);
        g.setFont(font);
       g.drawImage (img, 0,0,null);
		
		if (ShowScore && !ShowMore){ // Then we need to draw the basic statistics/Start screen
		// Show Stats
		g.drawString(message, 80, 40);
		g.setColor(Color.red);
        g.setFont(font);
        g.drawString(message, 80, 40);
		g.setFont(Hel);
		g.setColor(Color.blue);
		g.drawString(lastQuestion, 150, 65);
		g.setFont(font);
		g.setColor(Color.black);
		g.drawString("Number Correct: "+Correct,40, 100);
		g.drawString("Number Incorrect: "+Incorrect,15, 140);
		g.drawString(" "+accuracy+"%",250, 180);
		g.drawString("When correct, ",15, 280);
		g.drawString("Average Time: "+avg,121, 320);
		g.drawString("Standard Deviation: "+sd,35, 360);
		
		// Draw easy angles / functions
		g.setFont(new Font("Helvetica",1,12));
		g.setColor(Color.orange);
		g.fillRect(360, 75, 130, 50);
		g.setColor(Color.black);
		g.drawRect(EA.x, EA.y, EA.width, EA.height);
		g.drawRect(EF.x, EF.y, EF.width, EF.height);
		if (AcuteOnly) {
			g.drawLine(EA.x, EA.y, EA.x+10, EA.y+10);
			g.drawLine(EA.x, EA.y+10, EA.x+10, EA.y);
		}
		if (EasyFunctions) {
			g.drawLine(EF.x, EF.y, EF.x+10, EF.y+10);
			g.drawLine(EF.x, EF.y+10, EF.x+10, EF.y);
		}
		g.drawString("Easy Angles", 385, 95);
		g.drawString("Easy Functions", 370, 115);
		g.setFont(font);
		
		//Draw reset mpre and  next buttons
			g.setColor( buttonColor[2]);
			g.fill3DRect(Reset.x, Reset.y, Reset.width, Reset.height,true);
			g.fill3DRect(Next.x, Next.y, Next.width, Next.height,true);
			g.fill3DRect(More.x, More.y, More.width, More.height,true);
			g.setColor( Color.black);
			g.draw3DRect(Reset.x, Reset.y, Reset.width, Reset.height,true);
			g.draw3DRect(Next.x, Next.y, Next.width, Next.height,true);
			g.draw3DRect(More.x, More.y, More.width, More.height,true);
			g.setColor(Color.blue);
			g.setFont(Hel);
			g.drawString("Reset Stats", Reset.x+10,Reset.y+17);
			g.drawString("Start Next Question", Next.x+10,Next.y+17);
			g.drawString("More Stats", More.x+10,More.y+17);
			
		}else if (ShowScore && ShowMore){ // Show the grid of errors
			g.setColor(new Color(0xFAFADA));
			for (int j=0;j<16;j=j+2) {g.fillRect(80+j*25, 80, 25, 220);}
			g.setColor(Color.black);
			g.setFont(font);
			g.drawString("Frequecy of Mistakes", 80, 50);
			g.setFont(new Font("serif", Font.ITALIC + Font.BOLD, 12));
			for(int j=0;j<16;j=j+2) {g.drawString(" "+aName[j], 80+j*25, 100);}
			for(int j=1;j<16;j=j+2) {g.drawString(" "+aName[j], 80+j*25, 117);}
			g.setFont(Hel);
			for (int i=0;i<6;i++){
				g.drawString(" "+fName[i], 30, 140+i*30);
				for (int j=0;j<16;j++){ 
				g.drawString (" "+e[i][j] , 90+j*25, 140+i*30);
				}
				}
			g.setColor( buttonColor[1]);
			g.fill3DRect(Done.x, Done.y, Done.width, Done.height,true);
			g.setColor( Color.black);
			g.draw3DRect(Done.x, Done.y, Done.width, Done.height,true);
			g.setColor(Color.blue);
			g.setFont(Hel);
			g.drawString("Okay Already", Done.x+10,Done.y+17);
		
		}else{ // We need to draw the question/Answer screen
			g.drawString(fName[f]+"("+aName[a]+") = ?", 150,110);
		//Draw the 20 answer buttons for student to chose
		for (int i=0;i<20;i++){
			g.setColor( buttonColor[i/10]);
			g.fill3DRect(b[i].x, b[i].y, b[i].width, b[i].height,true);
			g.setColor( Color.black);
			g.draw3DRect(b[i].x, b[i].y, b[i].width, b[i].height,true);
			g.setColor(Color.blue);
			g.setFont(Hel);
			g.drawString(rName[i], b[i].x+(int)(.3*buttonWidth),b[i].y+7+buttonHeight/2);
			}
		}// end of question answer screen
	}// end of paint subroutine
	
	public void updateStats(boolean right, int t){
		
		
		if (right) { 
			Correct++;
			n=1.0*Correct;
			double tm=100*t/100000.0;
			acc=acc+tm;
			ss= ss+ tm*tm;
			avg= acc/n;
			
			message="Yes! \ntime="+tm+" sec";
			sd= Math.sqrt((n*ss-acc*acc)/(n*(n-1)));
		} else {
			Incorrect++;
			e[f][a]=e[f][a]+1; // increase the error counter
			message="No... "+fName[f]+"("+aName[a]+") \u2260 "+rName[t];
		}
		accuracy=(int)(1000*Correct/(Correct+Incorrect))/10.0;
	
	}
	public void flushData() {
		Correct=0;
		Incorrect=0;
		avg=0.0; //percent correct
		sd=0.0; // sd of reaction time
		n=0.0;  // number of attempts
		acc=0.0; // sum of accurate response times
		ss=0.0;  // sum of squares of accurate response times
		accuracy=0;
		for(int i=0;i<6;i++){for (int j=0;j<16;j++){ e[i][j]=0;}} // clear error counter
	}
	//////////////////////
	//  MOUSE STUFF
    /////////////////////
	
	public boolean mouseDown(java.awt.Event e, int x, int y){
	if (ShowScore && !ShowMore && Reset.inside(x,y)){
		flushData();
	}else if (ShowScore && !ShowMore && More.inside(x,y)){
		ShowMore=true;
	}else if (ShowScore && ShowMore && Done.inside(x,y)){
		ShowMore=false;
	}else if (ShowScore && !ShowMore && Next.inside(x,y)){
	   ShowScore=false;
	   if(EasyFunctions){
			f = (int)(3*Math.random());//pick one of the 3 functions
	   }else {
			f = (int)(6*Math.random());//pick one of the 6 functions
	   }
	   if(AcuteOnly) {
			a = (int)(5*Math.random());//pick one of the 5 angles
	   }else { 
			a = (int)(16*Math.random()); // pick one of the 16 angles
	   }
		lastQuestion=fName[f]+"("+aName[a]+") = "+rName[k[f][a]];
	   //reset stopwatch
		today = new Date();
       	dStart=today.getTime();
	}else if (ShowScore && !ShowMore && EA.inside(x,y)){
		AcuteOnly=!AcuteOnly;
		flushData();
	}else if (ShowScore && !ShowMore && EF.inside(x,y)){
		EasyFunctions=!EasyFunctions;
		flushData();
	}else if (!ShowScore && b[0].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==0){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 0);
		}
		ShowScore=true;
	}else if (!ShowScore && b[1].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==1){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 1);
		}
		ShowScore=true;
	}else if (!ShowScore && b[2].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==2){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 2);
		}
		ShowScore=true;
	}else if (!ShowScore && b[3].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==3){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 3);
		}
		ShowScore=true;
	}else if (!ShowScore && b[4].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==4){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 4);
		}
		ShowScore=true;
	}else if (!ShowScore && b[5].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==5){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 5);
		}
		ShowScore=true;
	}else if (!ShowScore && b[6].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==6){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 6);
		}
		ShowScore=true;
	}else if (!ShowScore && b[7].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==7){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 7);
		}
		ShowScore=true;
	}else if (!ShowScore && b[8].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==8){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 8);
		}
		ShowScore=true;
	}else if (!ShowScore && b[9].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==9){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 9);
		}
		ShowScore=true;
	}else if (!ShowScore && b[10].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==10){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 10);
		}
		ShowScore=true;
	}else if (!ShowScore && b[11].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==11){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 11);
		}
		ShowScore=true;
	}else if (!ShowScore && b[12].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==12){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 12);
		}
		ShowScore=true;
	}else if (!ShowScore && b[13].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==13){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 13);
		}
		ShowScore=true;
	}else if (!ShowScore && b[14].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==14){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 14);
		}
		ShowScore=true;
	}else if (!ShowScore && b[15].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==15){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 15);
		}
		ShowScore=true;
	}else if (!ShowScore && b[16].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==16){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 16);
		}
		ShowScore=true;
	}else if (!ShowScore && b[17].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==17){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 17);
		}
		ShowScore=true;
	}else if (!ShowScore && b[18].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==18){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 18);
		}
		ShowScore=true;
	}else if (!ShowScore && b[19].inside(x,y)){
		//record the time
		today = new Date();
       	dEnd=today.getTime();
       	diff=(int)(dEnd-dStart);
		// check for accuracy
		if (k[f][a]==19){ 
			updateStats(true, diff);
		}else{
			updateStats(false, 19);
		}
		ShowScore=true;
	}
	
	repaint();
	return true;
	}//end of mouseDown
	
	public boolean mouseMove(java.awt.Event e, int x, int y) {
		return true;
    }

    public void mouseEnter() {
        repaint();
    }

    public void mouseExit() {
       
        repaint();
    }

}// end of applet