package controller.console.administrateur;

import java.util.ArrayList;
import java.util.Scanner;

import view.console.administrateur.Promo_Creation;

import model.Eleve;
import model.Promotion;
import model.list.HandlerPromotions;

public class Promo_CreationControle {
	private Scanner sc;
	private ArrayList<Eleve> choice_list;
	
	private String libelle;
	private ArrayList<Eleve> eleves;
	
	private class InputDone extends Exception {
		private static final long serialVersionUID = 1L;
	}
	
	public Promo_CreationControle(ArrayList<Eleve> liste_eleves) {
		this.choice_list = new ArrayList<Eleve>();
		this.eleves = new ArrayList<Eleve>();
		this.choice_list.addAll(liste_eleves);
		sc = new Scanner(System.in);
		boolean done = false;
		
		Promo_Creation.trigger();
		Promo_Creation.askLibelle();
		this.askLibelle();
		while (!done) {
			try {
				Promo_Creation.askEleves(this.choice_list);
				Promo_Creation.currentEleves(this.eleves);
				this.askEleves();
			} catch (NumberFormatException e) {
				Promo_Creation.fail((-1)*this.eleves.size(),choice_list.size());
			} catch (InputDone e) {
				done = true;
			}
		}
		
	}
	
	private void askLibelle() {
		String input;
		input = sc.nextLine();
		this.libelle = input;
	}
	
	private void askEleves() throws NumberFormatException, InputDone {
		int input;
		String str_input;

		str_input = this.sc.nextLine();
		input = Integer.parseInt(str_input);
		if ((input < (-1)*this.eleves.size()) || (input > choice_list.size())) {
			throw new NumberFormatException();
		} else if (input > 0) {
			input--;
			eleves.add(choice_list.get(input));
			Promo_Creation.addEleve(choice_list.get(input));
			choice_list.remove(input);
		} else if (input < 0) {
			input++;
			input = input*(-1);
			choice_list.add(eleves.get(input));
			Promo_Creation.removeEleve(eleves.get(input));
			eleves.remove(input);
		} else {
			throw new InputDone();
		}
	}
	
	public void addToDatabase(HandlerPromotions hPromo) {
		Promotion p = new Promotion(this.libelle, this.eleves);
		hPromo.addListe(p);
		Promo_Creation.addPromo(p);
	}
}