import java.io.*;
import java.util.*;
import java.util.Random.*;


public class Lijecnik {
public Scanner in=new Scanner(System.in);

public void generisiSifru(){

  try{
    Random r=new Random();
    String Abeceda="ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvz0123456789";
    char[] abeceda=Abeceda.toCharArray();
    String sifra="";

    for(int i=0;i<8;i++){
     sifra+=abeceda[r.nextInt(abeceda.length)];
    }

    BufferedReader sc=new BufferedReader(new InputStreamReader(System.in));
    String ime, prezime, kime;
    System.out.println("Unesite ime: ");
    ime=sc.readLine();
    System.out.println("Unesite prezime: ");
    prezime=sc.readLine();
    System.out.println("Unesite korisnicko ime: ");
    kime=sc.readLine();

    File f=new File("Lijecnik.txt");
    FileWriter fw=new FileWriter(f,true);
    BufferedWriter bw=new BufferedWriter(fw);
    bw.append(ime);
    bw.newLine();
    bw.append(prezime);
    bw.newLine();
    bw.append(kime);
    bw.newLine();
    bw.append(sifra);
    bw.newLine();
    bw.close();

  }catch(Exception e){
   e.printStackTrace();
  }


}


public boolean prijava() {
    try{


      int br=0;
      File f= new File("lijecnik.txt");
      BufferedReader bfr = new BufferedReader(new FileReader(f));

      while(bfr.readLine() != null){
        br++;
      }
      br=br/4;

      if(br > 0){


        File f1= new File("lijecnik.txt");
        BufferedReader bfr1= new BufferedReader(new FileReader(f1));

         String ime=bfr1.readLine();
        String prezime=bfr1.readLine();
        String user=bfr1.readLine();
        String pass=bfr1.readLine();

        bfr1.close();

        System.out.println("Unesite korisnicko ime");
        String k=in.next();
        System.out.println("Unesite sifru");
        String s=in.next();

        if(k.equals(user) && s.equals(pass)){
          System.out.println("Uspjesna prijava");
          return true;
        }

        }

      }
    catch(Exception e){
      e.printStackTrace();
    }
      return false;


    }

  }








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

public class Ambulanta {

Scanner sc=new Scanner(System.in);


public void unosPacijenta()
{
  try{
 File f=new File("Pacijenti.txt");
 BufferedWriter bw=new BufferedWriter(new FileWriter(f, true));

 System.out.println("Unesite ime pacijenta: ");
 String ime=sc.next();
 sc.nextLine();
 System.out.println("Unesite prezime pacijenta: ");
 String prezime=sc.next();
 sc.nextLine();
 System.out.println("Unesite godine pacijenta: ");
 String godine=sc.next();
 sc.nextLine();
 System.out.println("Unesite vrstu bolesti pacijenta: ");
 String bolest=sc.nextLine();
 System.out.println("Unesite spol pacijenta: ");
 String spol=sc.next();

 bw.append(ime);
 bw.newLine();
 bw.append(prezime);
 bw.newLine();
 bw.append(godine);
 bw.newLine();
 bw.append(bolest);
 bw.newLine();
 bw.append(spol);
 bw.newLine();
 bw.close();
  }catch(Exception e){
   e.printStackTrace();
 }
}




public void pretraga(){

  try{
    int br=0;
    File f=new File("Pacijenti.txt");
    BufferedReader bf=new BufferedReader(new FileReader (f));

    while(bf.readLine()!=null){
      br++;
    }
    bf.close();
    br=br/5;

    if(br>0){
     String[] ime=new String[br];
     String[] prezime=new String[br];
     String[] godine=new String[br];
     String[] bolest=new String[br];
     String[] spol=new String[br];

     BufferedReader bf1=new BufferedReader(new FileReader (f));

     for(int i=0;i<br;i++){
      ime[i]=bf1.readLine();
      prezime[i]=bf1.readLine();
      godine[i]=bf1.readLine();
      bolest[i]=bf1.readLine();
      spol[i]=bf1.readLine();

     }
     bf1.close();

     System.out.println("Izaberite nacin pretrage: ");
      System.out.println("1. Pretraga po imenu");
       System.out.println("2. Pretraga po prezimenu");
        System.out.println("2. Pretraga po bolesti");
      int opcija=sc.nextInt();
      switch(opcija){
        case 1:{
          System.out.println("Unesite ime za pretragu: ");
         String pi=sc.next();
          for(int i=0;i<br;i++){
            if(ime[i].contains(pi))
            {
              System.out.println(ime[i]+" "+prezime[i]+" "+godine[i]+" "+bolest[i]+" "+spol[i]);
            }
          }
           break;
        }
        case 2:{
          System.out.println("Unesite prezime za pretragu: ");
        String pr=sc.next();
          for(int i=0;i<br;i++){
            if(prezime[i].contains(pr))
            {
              System.out.println(ime[i]+" "+prezime[i]+" "+godine[i]+" "+bolest[i]+" "+spol[i]);
            }
          }
          break;
        }
          case 3:{
           System.out.println("Unesite bolest pacijenta za pretragu: ");
          String b=sc.next();
             for(int i=0;i<br;i++){
            if(bolest[i].contains(b))
            {
              System.out.println(ime[i]+" "+prezime[i]+" "+godine[i]+" "+bolest[i]+" "+spol[i]);
            }
          }

          break;
          }
          default: System.out.println("Opcije su od 1-3 !!");

      }


      }
    else
    {
     System.out.println("Datoteka je prazna !!");
    }



  }catch(Exception e)
  {
    e.printStackTrace();
  }

}




public void lista1(){
  try{
    int br=0;
    File f=new File("Pacijenti.txt");
    BufferedReader bf=new BufferedReader(new FileReader(f));

    while(bf.readLine()!=null){
     br++;
    }
    br=br/5;
    bf.close();

    if(br>0){
      String ime[]=new String[br];
      String prezime[]=new String[br];
      String godine[]=new String[br];
      String bolest[]=new String[br];
      String spol[]=new String[br];

      BufferedReader bf1=new BufferedReader(new FileReader(f));

      for(int i=0;i<br;i++){
       ime[i]=bf1.readLine();
       prezime[i]=bf1.readLine();
       godine[i]=bf1.readLine();
       bolest[i]=bf1.readLine();
       spol[i]=bf1.readLine();

      }
      bf1.close();
                int brojac=0;

          String m="musko";
          String z="zensko";
          System.out.println("Muske osobe: ");
            for(int i=0; i<br; i++){
              if(m.equals(spol[i])){
                System.out.println(+(brojac=brojac+1)+ " "+ime[i]+ " "+prezime[i]+ " "+godine[i]+ " "+spol[i]);
              }
            }

            int brojac2=0;
             System.out.println("--------------------------\n");
            System.out.println("Zenske osobe: ");
            for(int i=0; i<br; i++){
              if(z.equals(spol[i])){
                System.out.println(+(brojac2=brojac2+1)+ " "+ime[i]+ " "+prezime[i]+ " "+godine[i]+ " "+spol[i]);
              }
            }


    }else {
      System.out.println("Datoteka je prazna !!");
    }
     }catch(Exception e)
  {
    e.printStackTrace();
  }

}

public void  listaRaspon(){
  try{
    int br=0;
    File f=new File("Pacijenti.txt");
    BufferedReader bf=new BufferedReader(new FileReader(f));

    while(bf.readLine()!=null){
     br++;
    }
    br=br/5;
    bf.close();

    if(br>0){
      String ime[]=new String[br];
      String prezime[]=new String[br];
      String godine[]=new String[br];
      String bolest[]=new String[br];
      String spol[]=new String[br];

      BufferedReader bf1=new BufferedReader(new FileReader(f));

      for(int i=0;i<br;i++){
       ime[i]=bf1.readLine();
       prezime[i]=bf1.readLine();
       godine[i]=bf1.readLine();
       bolest[i]=bf1.readLine();
       spol[i]=bf1.readLine();

      }
      bf1.close();
      System.out.println("Unesite od koje godine krece pregled: ");
      int godP=sc.nextInt();
      System.out.println("Unesite zavrsnu godinu: ");
      int godZ=sc.nextInt();
      boolean status=true;
      String[] nizI=new String[br];
      for(int i=0;i<br;i++){
      nizI[i]=ime[i];
      }
      Arrays.sort(nizI);
      int nizG[]=new int[br];
      for(int i=0;i<br;i++){
      nizG[i]=Integer.parseInt(godine[i]);
      }
      Arrays.sort(nizG);

      for(int i=0;i<br;i++){
        for(int j=0;j<br;j++){
          for(int k=0;k<br;k++){
            if(((bolest[k].contains("rak") || bolest[k].contains("srčani")) && ((Integer.parseInt(godine[k])>=godP) && (Integer.parseInt(godine[k])<=godZ)) && (nizI[i].equals(ime[i])) && (nizG[j]==(Integer.parseInt(godine[k])))))
            {
              System.out.println(ime[k]+" "+prezime[k]+", "+godine[k].toString()+", "+bolest[k]);
            }
     }
}
}

}else {
      System.out.println("Datoteka je prazna !!");
    }
     }catch(Exception e)
  {
    e.printStackTrace();
  }

}









}