package ik.ku.lt.inf041.kestutis.armalis;

import java.io.*; 
import java.text.*; 
import java.util.*; 

 

public class L2B22 { 
 //private static final DateFormat FRMT_DATE = new SimpleDateFormat("yyyy.MM.dd yyyy.MM.dd");
 //private static final NumberFormat FRMT_NUM = new ();
 private static class PrekesIrasas { 
 
  PrekesIrasas fKitas = null; 
  
  String fPreke; 
  int fGautKiek; 
  int fPardKiek; 
  //Date fPardDate; 
  String fPardDate;
 
 } 
 
 private static class PrekesKaina { 
 
  PrekesKaina fKaire = null; 
  PrekesKaina fDesine = null; 
  
  String fPreke; 
  double fPardKain; 
 } 
 
 private static class PrekesLikutis { 
 
  PrekesLikutis fKaire = null; 
  PrekesLikutis fDesine = null; 
  
  String fPreke; 
  int fLikutis; 
  double fPardKain; 
  double fPajamos; 
 
 } 
 
 private PrekesKaina fPrekesKainaRoot;
 private PrekesLikutis fPrekesLikutisRoot;
 
 
 public static void main(String[] args) throws IOException, ParseException  { 
  // Pirmo failo nuskaitymas
  PrekesIrasas pradzia = null; 
  PrekesIrasas galas = null; 
 
  BufferedReader buf = new BufferedReader (new FileReader("PIrasas.csv")); 
  String line = buf.readLine (); 
  while ((line = buf.readLine()) != null){ 
   String[] c = line.split(";"); 
   PrekesIrasas pi = new PrekesIrasas(); 
   pi.fPreke=c[0]; 
   pi.fGautKiek= Integer.parseInt(c[1]); 
   pi.fPardKiek= Integer.parseInt(c[2]); 
   //pi.fPardDate = FRMT_DATE.parse(c[3]);
   pi.fPardDate=c[3];
   if (pradzia == null){ 
	   
	   pradzia = pi; 
	   galas = pi;
   
   } 
   else { 
   
	   galas.fKitas = pi; 
	   galas = pi; 
  
  } 
 
 
 } 
  buf.close();
  // Pirmo failo duomenu isvedimas 
  PrekesIrasas r = pradzia; 
  System.out.println("Failas PIrasas.csv");
  System.out.println("Prekes"+'\t'+"Gauta"+'\t'+"Parduota"+'\t'+"Pardavimo data"); 
  while (r != null){ 
   System.out.println(r.fPreke+'\t'+r.fGautKiek+'\t'+r.fPardKiek+'\t'+r.fPardDate); 
   r = r.fKitas; 
  } 
 
  // Antro failo nuskaitymas ir isvedimas i ekrana
  System.out.println ("");
  System.out.println("Irasas PKaina.csv");
  System.out.println("");
  System.out.println("Preke:"+'\t'+'\t'+"Prekes Kaina:");
  PrekesKaina root = null;
  
  BufferedReader bf = new BufferedReader(new FileReader("PKaina.csv"));
  String line1 = bf.readLine();
  while ((line1 = bf.readLine()) != null ){
   String cells[] = line1.split(";");
   PrekesKaina pk = new PrekesKaina();
   pk.fPreke = cells[0];
   pk.fPardKain = Double.parseDouble(cells[1]); 
   System.out.println(pk.fPreke+'\t'+'\t'+pk.fPardKain+" Lt");
   
   
   if (root != null) { 
    PrekesKaina k = root;
   
    while (true){
     int c = pk.fPreke.compareTo(k.fPreke);
     if (c>0){
      if (k.fDesine != null){
       k = k.fDesine;
       
      } else {
        k.fDesine = pk;
       
       break;
      }
     } else
      if (c<0){
       if (k.fKaire != null){
        k = k.fKaire;
        
       } else {
        k.fKaire = pk;
        
        break;
       }
      } else {
       throw new RuntimeException ("Yra pasikartojanciu irasu Prekiu kainorastyje");
      }
    }
   } else {
    root = pk;
    
   }
   
  
 
  } bf.close();

  //
  /* PrekesLikutis fKaire = null; 
  PrekesLikutis fDesine = null; 
  
  String fPreke; 
  int fLikutis; 
  double fPardKain; 
  double fPajamos; */ 
  
  // Galutiniu duomenu isvedimas i e 
  
//Prekiu surasymas i Prekes likucio medi
  
  PrintWriter wr = new PrintWriter(new FileWriter("PLikutis.csv"));

  PrekesIrasas sk1 = pradzia;
  PrekesKaina sk2 = root;
  PrekesLikutis root1 = null;

  while (sk1 != null){							// Cia "kursorius" atsistoja ties pirmo failo pirmu steku
	  PrekesLikutis pl = new PrekesLikutis();   
	  
	  
	  
	  
	  
	  
	  
	  
	  sk1 = sk1.fKitas;
  }
  
  
  
 
 
 } 
}