package gui;

import javax.swing.table.AbstractTableModel;
import javax.swing.event.TableModelEvent;
import java.util.Collections;
import java.util.Comparator;
import java.util.ArrayList;

public class SortModel extends AbstractTableModel{

	private String[] names;
	public String[][] data;

	public SortModel(){

	}
	public SortModel(String[][] _data, String[] _names){ 
		data = _data;
		names = _names;
	} 

	// Die Anzahl Columns 
	public int getColumnCount() { 
		return names.length; 
	} 

	// Die Anzahl Rows 
	public int getRowCount() { 
		return data.length; 
	} 

	// Die Titel der einzelnen Columns 
	public String getColumnName(int column) { 
		return names[column];
	} 

	// Der Wert der Zelle (rowIndex, columnIndex) 
	public Object getValueAt(int rowIndex, int columnIndex) {
		try{
			return new String(data[rowIndex][columnIndex]);
		}
		catch(ArrayIndexOutOfBoundsException e){
			System.out.println("zulanges array^^ "+rowIndex+" / "+columnIndex);
		}
		return new String("aha^^");
	} 

	public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
		data[rowIndex][columnIndex] = aValue.toString();
		fireTableChanged(new TableModelEvent(this, rowIndex, rowIndex, columnIndex));
	}
	public void sort (int spalte) {
		ArrayList<String[]> tosort = new ArrayList<String[]> ();
		for(int i = 0; i != data.length; i++){
			tosort.add(data[i]);
		}
		Collections.sort(tosort, new WarenComparator (spalte));
		for(int i = 0; i != data.length; i++){
			data[i] = tosort.get(i);
		}
	}
	
	public void invsort (int spalte) {
		ArrayList<String[]> tosort = new ArrayList<String[]> ();
		for(int i = 0; i != data.length; i++){
			tosort.add(data[i]);
		}
		Collections.sort(tosort, new WarenComparator (spalte));
		Collections.reverse(tosort);
		for(int i = 0; i != data.length; i++){
			data[i] = tosort.get(i);
		}
	}

	private class WarenComparator implements Comparator {

		private final int spalte;

		public WarenComparator (final int spalte) {
			this.spalte = spalte;
		}

		public int compare(Object o1, Object o2) {
			if (o1 == null && o2 == null) {
				return 0;
			}
			else if (o1 == null) {
				return 1;
			}
			else {
				switch (this.spalte) {
				case 0 :
					return (getNummer((String[])o1).compareToIgnoreCase(getNummer((String[])o2)));
				case 1 :
					return (getName((String[])o1).compareToIgnoreCase(getName((String[])o2)));
				case 2 :
					return (getHerkunft((String[])o1).compareToIgnoreCase(getHerkunft((String[])o2)));
				case 3 :
					return (getBeschreibung((String[])o1).compareToIgnoreCase(getBeschreibung((String[])o2)));
				case 4 :
					return (getPreis((String[])o1).compareTo(getPreis((String[])o2)));
				case 5 :
					return (getGesamtPreis((String[])o1).compareTo(getGesamtPreis((String[])o2)));
				default :
					return 0;
				}
			}
		}

		private String getNummer(String[] temp){
			return temp[0];
		}
		
		private String getName(String[] temp){
			return temp[1];
		}
		
		private String getHerkunft(String[] temp){
			return temp[2];
		}
		
		private String getBeschreibung(String[] temp){
			return temp[3];
		}
		
		private Double getPreis(String[] temp){
			return Double.parseDouble(temp[4]);
		}
		
		private Double getGesamtPreis(String[] temp){
			return Double.parseDouble(temp[5]);
		}

	}

}