import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;


public class AlexanderWU3A1Q1 {

    public static void main(String[] args) { // main method
        JFrame frame = new JFrame(); // makes new frame object
        frame.setTitle("Drawing Tool"); // sets title
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // closes application when exit button clicked
        frame.setPreferredSize(new Dimension(840, 840)); // sets dimensions for frame
        frame.setResizable(false);  // not resizable

        JPanel panel = new JPanel();

        frame.pack();
        frame.setVisible(true); // sets frame visible

        ArrayList<ArrayList<String> > array = new ArrayList<>();
        try (Scanner scanner = new Scanner(new File("eng-climate-summaries-All-4,2018.csv"));) {
            while (scanner.hasNext()) {
                array.add(parseThings(scanner.nextLine()));
            }
        } catch (Exception FileNotFoundException) {
        }

        ArrayList<String> stationNames = new ArrayList<>();
        Vector<String> stationNamesArray = new Vector<>(stationNames);
        for (int i = 32; i < 1114; i++) {
            String e = array.get(i).get(0);
            stationNames.add(e);
        }

        JComboBox chooseLocation = new JComboBox(stationNamesArray);
        chooseLocation.setEditable(false);

        panel.add(chooseLocation);
        frame.add(panel); // add JPanel to frame

    }

    private static ArrayList<String> parseThings(String Line) {
        ArrayList<String> lines = new ArrayList<>();
        try (Scanner scanRows = new Scanner(Line)) {
            scanRows.useDelimiter(",");
            while (scanRows.hasNext()) {
                String temp = scanRows.next();
                try {
                    temp = temp.substring(1, temp.length() - 1);
                lines.add(temp);
                } catch (Exception e) {}
            }
        }
        return lines;
    }

}