package isip.java.bullyse.bullydb;

import java.net.*;
import java.io.*;
import java.awt.*;
import java.awt.Component;
import java.text.*;
import java.util.*;
import java.applet.*;
import java.lang.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.bigfoot.bugar.image.*;

class graph extends HttpServlet {
    public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws IOException, ServletException
    {
	Image winScratch = null;
	Graphics gScratch = null;
	Graphics g = null;
	System.out.println("Here 1");	
	String Symbol = "IFC";
	String Type = (String)null;
	Vector data = new Vector();
	double max = 0.00;
	double min = 0.00;
	double mid = 9999.99;
	
	Type = "1";
	
	winScratch = java.awt.Component.createImage(240, 200);
	gScratch = winScratch.getGraphics();
		System.out.println("Here 2");	
	try {
	    getData();
	} catch (Exception e) {
	    e.printStackTrace();
	}
	
	//	double Values[] = {14.95, 37.96, 28.47, 42.95, 11.43, 12.47, 15.96, 18.47, 19.75, 14.29, 2.75, 9.47};
	//	double Times[] = {0, 5, 7, 8, 9, 11, 12, 14, 17, 19, 23, 23.9};
	//	int numVals = 12;
		System.out.println("Here 3");	
	double scale = 0.00;
	double tscale = 0.00;
	String thisDate = (String)null;
	String thisTime = (String)null;
	int t = 0;
	double j = 39;
	Hist obj = new Hist();
	
	int numVals = data.size();
	
	DecimalFormat numFormat = new DecimalFormat("#0.00");
	DecimalFormat tFormat = new DecimalFormat("00");
	
	java.util.Date lastDate = new java.util.Date();
	java.util.Date lastTime = new java.util.Date();
		System.out.println("Here 4");	
	int hour = lastTime.getHours();
	int minute = lastTime.getMinutes();
	
	// Set the format for time and date
	DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.LONG);
	
	thisDate = dateFormat.format(lastDate);
	thisTime = tFormat.format(hour) + ":" + tFormat.format(minute);
		System.out.println("Here 5");	
	// Get max and min values
	
	for (int i = 0 ; i < numVals ; i++) {
	    obj = (Hist)data.elementAt(i);
	    double Val = obj.getValue();
	    if (min > Val) {
		min = Val;
	    }
	    
	    if (max < Val) {
		max = Val;
	    }
	}
		System.out.println("Here 6");	
	mid = (max+min) / 2;
	scale = 64 / (max-min);
	tscale = 196 / 24;

	Color tan = new Color(250, 235, 215);
	Color lightgray = new Color(220, 220, 220);
	Color darkgray = new Color(169, 169, 169);
	Color ivory = new Color(255, 255, 240);
	Color smoke = new Color(239, 239, 239);
	//Color smoke = new Color(204, 204, 204);
	Color slateblue = new Color(106, 90, 205);
	Color sky = new Color(0, 91, 251);
	Color darkblue = new Color(0, 0, 139);
	Color nasBlue = new Color(40, 100, 188);
	//	Color nasGray = new Color(104, 104, 104);
	Color nasGray = new Color(102, 102, 102);
	Color nasLightGray = new Color(187, 187, 187);
	Color lightblue = new Color(162, 188, 221);
	//	Color medgray = new Color(142, 143, 144);
	Color medgray = new Color(179, 179, 179);
	Color gold = new Color(255, 215, 0);
	Color khaki = new Color(240, 230, 140);
	Color BSEBlue = new Color(0, 0, 204);

	gScratch.setColor(smoke);
	gScratch.fillRect(5, 10, 230, 126);
	gScratch.setColor(medgray);
	gScratch.fillRect(8, 13, 224, 17);
	gScratch.setColor(nasGray);
	gScratch.fillRect(8, 31, 30, 79);
	gScratch.setColor(Color.white);
	gScratch.fillRect(38, 31, 194, 79);
	gScratch.setColor(nasGray);
	gScratch.fillRect(8, 98, 224, 14);
	gScratch.setColor(medgray);
	gScratch.fillRect(8, 113, 224, 20);
	System.out.println("Here 7");	
	Font thisFont = new Font("Helvetica", (int)Font.BOLD, 12);
	gScratch.setFont(thisFont);
	gScratch.setColor(smoke);

	if (Symbol != null) {
	    gScratch.drawString(Symbol, 115, 26);
	} else {
	    gScratch.drawString("BSE", 115, 26);
	}

	thisFont = new Font("Helvetica", (int)Font.PLAIN, 10);
	gScratch.setFont(thisFont);
	gScratch.drawString(thisDate, 10, 25);
	gScratch.drawString(thisTime, 200, 25);
	String pMax = (String)null;
	pMax = pMax.valueOf(numFormat.format(max));
	String pMin = (String)null;
	pMin = pMin.valueOf(numFormat.format(min));
	String pMid = (String)null;
	pMid = pMid.valueOf(numFormat.format(mid));
	gScratch.drawString(pMax, 10, 45);
	gScratch.drawString(pMid, 10, 69);
	gScratch.drawString(pMin, 10, 93);

	String tOut = (String)null;
	while (t < 24) {
	    tOut = tOut.valueOf(t);
	    gScratch.drawString(tOut, (int)j, 108);
	    t = t + 4;
	    j = j + (196/6);
	}
	System.out.println("Here 8");	
	thisFont = new Font("Helvetica", (int)Font.PLAIN, 10);
	gScratch.setFont(thisFont);
	gScratch.setColor(smoke);
	gScratch.drawString("Today on the Bulldog Stock Exchange", 25, 126);

	// Draw grid lines

	gScratch.setColor(smoke);

	for (int i = 38 ; i < 232 ; i=i+12) {
	    gScratch.drawLine(i, 31, i, 96);
	}

	for (int i = 97 ; i > 32 ; i=i-10) {
	    gScratch.drawLine(38, i, 230, i);
	}

	gScratch.setColor(BSEBlue);

	for (int i = 1 ; i < numVals ; i++) {
	    obj = (Hist)data.elementAt(i-1);
	    double Val1 = obj.getValue();
	    double Time1 = obj.getAt();

	    obj = (Hist)data.elementAt(i);
	    double Val2 = obj.getValue();
	    double Time2 = obj.getAt();

	    int x[] = {((int)(Time1*tscale)+39), ((int)(Time2*tscale)+39), ((int)(Time2*tscale)+39), ((int)(Time1*tscale)+39)};
	    int y[] = {((97+(int)(min*scale))-(int)((Val1*scale))), ((97+(int)(min*scale))-(int)((Val2*scale))), ((97+(int)(min*scale))-(int)((Val2*scale))-3), ((97+(int)(min*scale))-(int)((Val1*scale))-3)};
	    gScratch.fillPolygon(x, y, 4);
	}
	System.out.println("Here 9");	
	/*
	for (int i = 0 ; i < (numVals-1) ; i++) {
	    gScratch.drawLine(((int)(Times[i]*tscale)+39), ((97+(int)(min*scale))-(int)((Values[i]*scale))), ((int)(Times[i+1]*tscale)+39), ((97+(int)(min*scale))-(int)((Values[i+1]*scale))-3));
	}
	*/

	try {

	OutputStream fileOut = new FileOutputStream("/ftp/pub/projects/bse/images/image.png");
	
	PNGEncoder encoder = new PNGEncoder( winScratch, fileOut );
	encoder.encodeImage();
	
	fileOut.close();
	} catch (Exception e) {
	    e.printStackTrace();
	}
	System.out.println("Here 10");	
	    response.sendRedirect("http://www.isip.msstate.edu/projects/bse/html/errors/not_logged_in.html");
    }
    
    public void getData()
	throws MalformedURLException, IOException {
	String Symbol = "IFC";
	int Type = 1;
	URL newUrl = null;
	BufferedReader in = null;

	try {
	    newUrl = new URL("http://www.isip.msstate.edu:8080/isip/servlet/isip.java.bullyse.bullydb.History?Task=getData&Symbol=" + Symbol + "&Type=" + Type);
	    in = new BufferedReader(new InputStreamReader(newUrl.openStream()));
	} catch (Exception e) {
	    e.printStackTrace();
	}

	String inputLine;

	int Shares = 0;
	double Value = 0.00;
	double TransTime = 0.00;
	Vector data = new Vector();
	String Val = (String)null;
	String Shar = (String)null;
	String Time = (String)null;

	int i = 1;
	while ((inputLine = in.readLine()) != null) {
	    if (i == 1) {
		Val = inputLine;
		Double ValTmp = Double.valueOf(Val);
		Value = ValTmp.doubleValue();
		i++;
	    } else if (i == 2) {
		Shar = inputLine;
		Integer SharTmp = Integer.valueOf(Shar);
		Shares = SharTmp.intValue();
		i++;
	    } else if (i == 3) {
		Time = inputLine;
		Double TimeTmp = Double.valueOf(Time);
		TransTime = TimeTmp.doubleValue();
		data.addElement(new Hist(Value, Shares, TransTime));
		i = 1;
	    } else {
		i++;
	    }
	}
	in.close();
    }

    public class Hist {
	private double Value;
	private int Shares;
	private double transDate;
	
	public Hist () {
	    this.Value = 0.00;
	    this.Shares = 0;
	    this.transDate = 0.00;
	}

	public Hist (double Value, int Shares, double transDate) {
	    this.Value = Value;
	    this.Shares = Shares;
	    this.transDate = transDate;
	}
	
	public double getValue() { return Value; }
	public int getShares() { return Shares; }
	public double getAt() { return transDate; }

    }

}