package model;

import javafx.application.Platform;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;

public class PhoneField extends TextField {

	private Runnable placeCursorAtEnd, clearLater;

	public PhoneField() {
		super();
	}

	public PhoneField(long text) {
		super();
		setText(String.valueOf(text));
	}

	{
		placeCursorAtEnd = () -> end();
		clearLater = () -> clear();
		init();
	}

	private void init() {
		textProperty().addListener((v, oldVal, newVal) -> {
			if (newVal.endsWith("-"))
				return;

			if (newVal.isEmpty())
				return;

			if (newVal.equals("("))
				Platform.runLater(clearLater);

			newVal = normalize(newVal);

			if (newVal.length() < 3) {
				setText("(" + newVal);
			} else if (newVal.length() == 3) {
				setText("(" + newVal + ")");
			} else if (newVal.length() <= 6) {
				setText("(" + newVal.substring(0, 3) + ")" + newVal.substring(3));
			} else if (newVal.length() > 6 && newVal.length() <= 10) {
				setText("(" + newVal.substring(0, 3) + ")" + newVal.substring(3, 6) + "-" + newVal.substring(6));
			} else {
				setText(newVal.substring(0, 10));
			}
			Platform.runLater(placeCursorAtEnd); // Places cursor at the end
		});
		setOnKeyPressed(e -> {
			if (e.getCode() == KeyCode.BACK_SPACE) {
				if (getText().endsWith(")")) {
					setText(getText().substring(0, 3));
				}
			}
		});
		setOnKeyReleased(e -> {
			if (getText().endsWith("-")) {
				setText(normalize(getText()).substring(0, 6));
			}
		});
	}

	private String normalize(String s) {
		String toReturn = "";
		for (int i = 0; i < s.length(); i++) {
			if (Character.isDigit(s.charAt(i))) {
				toReturn += s.charAt(i);
			}
		}
		return toReturn.replaceAll("\\)", "").replaceAll("\\(", "").replaceAll("-", "");
	}
}