import java.io.BufferedReader;
	import java.io.File;
	import java.io.FileReader;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Comparator;
	import java.util.Scanner;


	public class Main {
		static ArrayList<Debt> debtList;


		public static void main(String[] args) {
			debtList = new ArrayList<>();
			Scanner scanner = new Scanner(System.in);
			loading();
			while(true) { // opcje
				System.out.println("opcje");
				System.out.println("wyswietl");
				int choice=1;
				choice=scanner.nextInt();
				if (choice== 0) {
					scanner.close();
					return;
				} else {
					sort();
				}
			}
			}
		public static void display() {   //funkcja wyswietlania
			for( int i = 0; i < debtList.size(); i++) {
				System.out.println(debtList.get(i).getCountry()+debtList.get(i).getPer_capita());
			}
		}
		public static void sort() {	//sortowanie
			Collections.sort(debtList, new Comparator<Debt>()
			{
				@Override
			    public int compare(Debt d1, Debt d2)
			    {
						if (d1.getPopulation() > d2.getPopulation()) {
							return 1;
						} if (d2.getPopulation() < d1.getPopulation()) {
							return -1;
						} else {
							return 0;
						}

			        //porownanie
			    }
			});
		}





		public static void loading() { //funkcja pobierania

			try{
				File file = new File("debt.txt");        //pobieranie - rżnąć
			FileReader fileReader = new FileReader(file);
			BufferedReader bufferedReader = new BufferedReader(fileReader);
			String textLine;
			//Debt_List debt_list = new Debt_list("Debt1");


				while ((textLine = bufferedReader.readLine()) !=null) {	//tak samo
				String [] dataTable = textLine.split(";");				//tak samo
				String country = dataTable [0];							//tyle stringow ile zmiennych
				String amountString = dataTable [1];
				String populationString = dataTable[2];
				int amount = Integer.parseInt(amountString);			//zamiana na liczbe
				int population = Integer.parseInt(populationString);

				Debt debt = new Debt(country, amount, population); //tworzenie obiektu
				debtList.add(debt);
				}

			bufferedReader.close();
			} catch (Exception e) {
				System.out.println("Exception enocuntered while importing data from the source file ("+e+")");  // co jak jebnie
			}
		}