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 * and open the template in the editor.
 */
package filetest;

//import java.io.BufferedWriter;
import java.io.*;
import javax.swing.JFileChooser;
import java.util.Scanner;
import javax.swing.JOptionPane;

/**
 *
 * @author Elev
 */
public class FileTest {

    /**
     * @param args the command line arguments
     */
           static String fileNameTemp;
           static String fileName = "dataFil.txt";
    public static void main(String[] args) throws IOException{
        // TODO code application logic here
        boolean avsluta = false;
        while(avsluta == false)
        switch(Meny()){
            case 1:
                fileNameTemp = selectFile();
                fileWrite(fileName);
                break;
            case 2:
                fileWrite(fileName);
                break;
            case 3:
                break;
            case 4:
                avsluta = true;
                break;

        }
    }

    static int Meny (){
        int menySvar = 0;
        boolean whileLoop = true;
        while (whileLoop == true){
            String svar = JOptionPane.showInputDialog("Sparad fil: " + fileName + " \n1. Läs in sparad data från fil \n"
                + "2. Lägg till rader \n"
                + "3. Skriv ut \n"
                + "4. Spara och avsluta");
           menySvar = Integer.parseInt(svar);
            if (menySvar <= 0 || menySvar >= 5) {
                JOptionPane.showMessageDialog(null, "Välj ett av alternativen");
            }
            else {
                whileLoop = false;
            }
        }
        return menySvar;
    }
    public static String[] FileReadReturn(String fileName)throws IOException{
        FileReader fr = new FileReader(fileName);
        FileReader fr2 = new FileReader(fileName);
        BufferedReader inFile = new BufferedReader(fr2);
        LineNumberReader count = new LineNumberReader(fr);
        int linenumber = 0;
        while (count.readLine() != null){
            linenumber++;
        }
        count.close();
        String[] arrayMed = new String[linenumber];
        for (int i = 0; i < linenumber; i++) {
            arrayMed[i] = inFile.readLine();
        }
        inFile.close();
        return arrayMed;
    }
    public static void fileWrite(String fileName) throws IOException{
        // Jsfs s219
        FileWriter fw = new FileWriter(fileName);
        BufferedWriter bw = new BufferedWriter(fw);
        PrintWriter outFile = new PrintWriter(bw);

       if (fileNameTemp != null) {
           String[] arrayTest = FileReadReturn(fileNameTemp);
           System.out.println(fileNameTemp);
            for (String arrayTest1 : arrayTest) {
                outFile.println(arrayTest1);
            }
           fileNameTemp = null;
        }
       else {
           boolean whileLoop = true;
           while(whileLoop == true){
               String kuk = JOptionPane.showInputDialog("1. Skriv in i fil \n 2. Tillbaka");
               int menyVal = Integer.parseInt(kuk);
               switch (menyVal){
                   case 1:
                       String data = JOptionPane.showInputDialog("Skriv");
                       outFile.println(data);
                       break;
                   case 2:
                       whileLoop = false;
                       break;
               }
           }
       }
        outFile.close();
    }
    public static void fileRead(String fileName)throws FileNotFoundException, IOException{
        //Jsfs s210+213
        FileReader fr = new FileReader(fileName);
        BufferedReader inFile = new BufferedReader(fr);
        int lineNr = 1;
        String line = inFile.readLine();

        while(line != null){
            System.out.println(lineNr + ":   " + line);
            line = inFile.readLine(); lineNr++;
        }
        inFile.close();
    }
    public static String selectFile() {
        //Jsfs s226
        String fileName = "minFil.txt";
        JFileChooser fc = new JFileChooser();
        int result = fc.showOpenDialog(null);
        if (result == JFileChooser.APPROVE_OPTION) {
            fileName = fc.getSelectedFile().getAbsolutePath();
        }
        else{
            System.out.println("No file selected, using "+ fileName);
        }
        return fileName;
    }
}