package cc.glsn.v15.print;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedList;
import java.util.Random;
import java.util.Scanner;

import javax.imageio.ImageIO;

public class PrettyPageImageCreator
{
    public static final int PageWidth=1536;
    public static final int PageHeight=1897;
    public static final String ImageFileDir="c:/trash/images";
    public static final String FontName="Lucida Console";
    public static final int FontSizeHead=28;
    public static final int FontSizeText=22;
    
    LinkedList<Page> PageList;
    LinkedList<String> Lines;
    Random PRNG;
    String Title;
    String Client;
    int JobID;
    int PageTotal;
    
    ArrayList<String> Remarks;
    
    String DateStr;
    
    
    public PrettyPageImageCreator(String Title, String Client,InputStream IS) throws IOException
    {
        this(Title,Client,readInputStream(IS));
    }
    
    public PrettyPageImageCreator(String Title, String Client, String Doc) throws IOException
    {
        DateStr=new SimpleDateFormat("yyyyMMdd HH:mm:ss").format(new Date());
        PRNG=new Random();
        setupRemarks();
        PageList=new LinkedList<Page>();
        
        Scanner DocScanner=new Scanner(Doc);
        
        JobID=PRNG.nextInt();
        this.Title=Title;
        this.Client=Client;
        PageTotal=0;
        
        Lines=new LinkedList<String>();
        
        
        while(DocScanner.hasNextLine())
        {
            Lines.add(DocScanner.nextLine());
        }
        while(Lines.size()>0)
        {
            new Page().createPage();
        }
        
        for(Page P : PageList)
        {
            P.updatePageNo();
            //P.save();
        }
        
    }
    
    
    
    public static void main(String Args[]) throws Exception
    {
        PrettyPageImageCreator IC=new PrettyPageImageCreator("testdoc.cpp","clash",new FileInputStream("c:/trash/prob2.cpp"));
        
    }
    
    
    public LinkedList<BufferedImage> getImages()
    {
        LinkedList<BufferedImage> LL=new LinkedList<BufferedImage>();
        for(Page P : PageList)
        {
            LL.add(P.BI);
        }
        return LL;
    }
    
    
    private void setupRemarks()
    {
        Remarks=new ArrayList<String>();
        
        Remarks.add("Never pet a burning dog.");
        Remarks.add("Laziness is counter-revolutionary.");
        Remarks.add("Is that a dangling pointer or are you happy to see me?");
        Remarks.add("Alex is the coolest guy I know.");
        Remarks.add("pithy: tersely cogent");
        Remarks.add("Soup is good food.");
        Remarks.add("Program for great justice!");
        Remarks.add("Move Zig!");
        Remarks.add("It pays to be obvious, especially if you have a reputation for subtlety. -Isaac Asimov");
        Remarks.add("I don't give a damn for a man that can only spell a word one way. -Samuel Clemens");
        Remarks.add("I have never let my schooling interfere with my education. -Samuel Clemens");
        Remarks.add("A person should want to live, if only out of curiosity.");
        Remarks.add("He who knows does not speak. He who speaks does not know. -Lao-tzu");
        Remarks.add("Your ad here");
        Remarks.add("map<int,map<int,map<int,map<int,int> > > >");
        Remarks.add("My hat has three corners.");
        Remarks.add("Vinh Is Not Hairy");
        Remarks.add("Maybe you should solve some problems?");
        Remarks.add("The bug is on this page.");
        Remarks.add("I hear the only place you're ever invited is outside.");
        Remarks.add("Dude, WTF?");
        Remarks.add("I am here to do homework and kick ass.  And I just finished my homework.");
        Remarks.add("I hate winipeg.");
        Remarks.add("bigger than a duck of equal size");
        Remarks.add("If all the girls who attended the Yale prom were laid end to end, I wouldn't be a bit surprised. -Dorothy Parker");
        Remarks.add("This is not a novel to be tossed aside lightly. It should be thrown with great force. -Dorothy Parker");
        Remarks.add("I don't care what is written about me so long as it isn't true. -Dorothy Parker");
        Remarks.add("If you want to know what God thinks of money, just look at the people he gave it to. -Dorothy Parker");
        Remarks.add("It is a mistake to think you can solve any major problems just with potatoes. -Douglas Adams");
        Remarks.add("The ships hung in the sky in much the same way that bricks don't. -Douglas Adams");
        Remarks.add("Time is an illusion. Lunchtime doubly so. -Douglas Adams");
        Remarks.add("Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.");        
        Remarks.add("Nothing you can't spell will ever work. -Will Rogers");
        Remarks.add("We don't know what we want, but we are ready to bite somebody to get it. -Will Rogers");
        Remarks.add("I was gratified to be able to answer promptly. I said I don't know. -Samual Clemens");
        Remarks.add("The man who doesn't read good books has no advantage over the man who can't read them. -Samuel Clemens");
        Remarks.add("When I was younger, I could remember anything, whether it had happened or not. -Samuel Clemens");
        
        Remarks.add("The rule is perfect: in all matters of opinion our adversaries are insane. -Samuel Clemens");
        Remarks.add("All you need in this life is ignorance and confidence; then success is sure. -Samuel Clemens");
        //Remarks.add("");
        Remarks.add("zootie-zoot-zoot");
        Remarks.add("A lot of people are afraid of heights.  Not me.  I'm afraid of widths. -Steve Wright");
        Remarks.add("If value corrupts then absolute value corrupts absolutely");
        Remarks.add("Don't you feel more like you do now than you did when you came in?");
        Remarks.add("Does a recursive function have budda nature?");
        Remarks.add("For every x, where x>5, I'll cut you.");

        
        
        
           
    }
    
    private String getRemark()
    {
      
        int i=PRNG.nextInt(Remarks.size());
        return Remarks.get(i);
        
    }
    
    
    private class Page
    {
        BufferedImage BI;
        Graphics2D G;
        int PageNo;
        Font FontHead;
        Font FontText;
        int PageMargin;
        int HeadSpace;
        int TextSpace;
        int LinePad;
        FontRenderContext FRC;
        
        
        public Page()
        {
            BI=new BufferedImage(PageWidth,PageHeight,BufferedImage.TYPE_4BYTE_ABGR );
            
            G=BI.createGraphics();
            
            G.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON );
            G.setColor(Color.WHITE);
            G.fillRect(0,0,PageWidth,PageHeight);
            
            FontHead=new Font(FontName,Font.PLAIN,FontSizeHead);    
            FontText=new Font(FontName,Font.PLAIN,FontSizeText);
            
            
            FRC= G.getFontRenderContext();
            
            {
            
                Rectangle2D R2d=FontHead.getStringBounds(Title + Client + " Page01234567890/[]",FRC);
                PageMargin=(int)Math.round( R2d.getHeight()*1.5 );
                HeadSpace=(int)Math.round( R2d.getHeight()*1.0 );
            }
            
            
            {
                Rectangle2D R=FontText.getStringBounds("ABCDEFGHIJKLMNOPQRSTUVQXYZabcdefghijklmnopqrstuvwxyz[],.!/?()#*{}|",FRC);
                
                TextSpace=(int)Math.round(R.getHeight()*1.0);
                LinePad=(int)Math.round(R.getHeight() * 0.2);
                
            }
            
            PageList.add(this);
                        
            
        }
        
        public void save() throws IOException
        {
            
            
            String Filename=ImageFileDir + "/" + Client + "-" + Title.replace(".","_") + "-" + JobID +"-page" + PageNo +  ".png";
            File F=new File(Filename); F.delete();
            ImageIO.write(BI,"PNG",F);

            
        }
        
        private void drawRemarks()
        {
            G.setColor(Color.BLUE);
            
            G.setFont(FontText);
            String Remark=getRemark();
            G.drawString(Remark,HeadSpace,PageHeight-HeadSpace);
            
            
            
        }

        private void drawMargin()
        {

            
            G.setColor(Color.BLUE);
            //Draw page Margin
            
            G.drawLine(PageMargin,PageMargin,           PageWidth-PageMargin,PageMargin);
            G.drawLine(PageMargin,PageMargin,           PageMargin,PageHeight-PageMargin);
            G.drawLine(PageMargin,PageHeight-PageMargin,PageWidth-PageMargin,PageHeight-PageMargin);
            G.drawLine(PageWidth-PageMargin,PageMargin, PageWidth-PageMargin,PageHeight-PageMargin);
            
            
            
                        
            
            
        }
        

        private void createPage()
        {
            PageTotal++;
            PageNo=PageTotal;
            
            
            
            

            //drawMargin();
            drawRemarks();
            
            G.setColor(Color.BLACK);

            
            G.setFont(FontHead);
            
                       
            
            G.drawString(Client + " " + DateStr ,HeadSpace, HeadSpace );
                       
            {
                Rectangle2D R=FontHead.getStringBounds(Title,FRC);
                G.drawString(Title,Math.round(PageWidth/2.0 - R.getWidth()/2.0),HeadSpace);
            
            }
            
            
            int CurrY=PageMargin + TextSpace;
            int StartX=PageMargin + TextSpace;
            
            G.setFont(FontText);
            
            double MaxY=PageHeight*1.0 - PageMargin*1.0 -  TextSpace*0.5 - LinePad*1.0;
            
            while((CurrY < MaxY) && (Lines.size()>0))
            {
                String Line=Lines.getFirst();
                Lines.removeFirst();
                Line=Line.replace("\t","    ");
                Rectangle2D R=FontText.getStringBounds(Line,FRC);
                //System.out.println(Line + " " + R.getWidth());
                
                if (R.getWidth() + StartX > PageWidth - PageMargin - TextSpace)
                {
                    int idx=Line.length();
                    while(true)
                    {
                        idx--;
                        String SubLine=Line.substring(0,idx);
                        R=FontText.getStringBounds(SubLine,FRC);
                        
                        //System.out.println(SubLine + " " + R.getWidth());
                        
                        if (R.getWidth() + StartX <= PageWidth - PageMargin - TextSpace)
                        {
                            String LineReturn=Line.substring(idx);
                            Lines.addFirst(LineReturn);
                            Line=SubLine;
                            break;
                        }
                    }
                    
                }
                
                G.drawString(Line,StartX,CurrY);
                CurrY+=TextSpace + LinePad;
                
            }
            
            
            
            
        }
        
        private void updatePageNo()
        {
            G.setColor(Color.BLACK);
            G.setFont(FontHead);
            
            String Pg="Page " + PageNo + "/" + PageTotal;
            Rectangle2D R=FontHead.getStringBounds(Pg,FRC);
            
            G.drawString(Pg,Math.round(PageWidth - R.getWidth() - HeadSpace),HeadSpace);
            
        
        
            
            
        }
        
        
        
        
    }
    
    
    
    private static String readInputStream(InputStream IS) throws IOException
    {
        StringBuilder SB=new StringBuilder();
        
        byte[] Buff=new byte[10240];
        
        while(true)
        {
            int sz=IS.read(Buff,0,10240);
            if (sz==-1)
            {
                break;
            }
            else
            {
                if (sz>0)
                {
                    char[] C=new char[sz];
                    for(int i=0; i<sz; i++)
                    {
                        C[i]=(char)Buff[i];
                    }
                    SB.append(C,0,sz);
                 
                }
                
            }
            
        } 
        
        return SB.toString();
    }

}