import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class FileHandler implements iData {
    
    public List<Dolgozo> tryGetEmployees() throws FileNotFoundException {
        List<Dolgozo> dolgozok = new ArrayList<>();
        File file = new File("surubt.txt");
        Scanner scanner = new Scanner(file);
        
        while(scanner.hasNext()) {
            String line = scanner.nextLine();
            String[] lineArray = line.split(":");
            Dolgozo dolgozo = new Dolgozo();
            dolgozo.az = Integer.parseInt(lineArray[0]);
            dolgozo.nev = lineArray[1];
            dolgozo.telepules = lineArray[2];
            dolgozo.fizetes = Double.parseDouble(lineArray[3]);
            dolgozok.add(dolgozo);
        }
        
        return dolgozok;
    }
    public List<Dolgozo> getEmployees() {
        List<Dolgozo> dolgozok = new ArrayList<>();
        try {
            dolgozok = tryGetEmployees();
        } catch (FileNotFoundException e) {
            System.err.println("Hiba! A fájl nem található!");
        }
        return dolgozok;
    }
    
    public void tryInsertEmployee(String name, String city) throws IOException {
        FileWriter fileWriter = new FileWriter("surubt.txt", true);
        PrintWriter printWriter = new PrintWriter(fileWriter);
        StringBuilder data = new StringBuilder();
        data.append("1:");
        data.append(name + ":");
        data.append(city + ":0");
        
        
        printWriter.println(data.toString());
        printWriter.close();
    }
    
    public void insertEmployee(String name, String city) {
        try {
            tryInsertEmployee(name, city);
        } catch (IOException ex) {
            System.err.println("Hiba! A fájl írása sikertelen!");
            System.err.println(ex.getStackTrace());
        }
    }
}