package calculator;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Controller implements ActionListener {

	private CalculatorFrame frame = null;
	private double first = 0.0;
	private double second = 0.0;
	private String flag = "";
	// private Calculator calculator = new Calculator();
	private Calcu cal = new Calcu();

	public String getFlag() {
		return flag;
	}

	public void setFlag(String flag) {
		this.flag = flag;
	}

	public double getFirst() {
		return first;
	}

	public void setFirst(double first) {
		this.first = first;
	}

	public double getSecond() {
		return second;
	}

	public void setSecond(double second) {
		this.second = second;
	}

	private int num = 0;
	String str = "";

	public Controller(CalculatorFrame frame) {
		// TODO Auto-generated constructor stub
		this.frame = frame;
	}

	public double getTextContent() {
		String content = "";
		content = frame.getTextField().getText();
		double number = Double.parseDouble(content);
//		System.err.println(number);
		return number;
	}

	public void setForCal() {
		frame.getTextField().setText("");
	}

	public void setTextContent(int num) {
		// TODO Auto-generated method stub
		String content = frame.getTextField().getText();
		if (content.equals("0") || content == "0") {
			// System.err.println(true);
			frame.getTextField().setText(num + "");
		} else {
			str = content + num;
			frame.getTextField().setText(str);
		}
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		if (e.getSource().equals(frame.getButton0())) {
			num = 0;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton1())) {
			num = 1;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton2())) {
			num = 2;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton3())) {
			num = 3;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton4())) {
			num = 4;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton5())) {
			num = 5;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton6())) {
			num = 6;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton7())) {
			num = 7;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton8())) {
			num = 8;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getButton9())) {
			num = 9;
			setTextContent(num);
		} else if (e.getSource().equals(frame.getAdd())) {
			setFirst(getTextContent());
			setFlag("+");
			setForCal();
		} else if (e.getSource().equals(frame.getSub())) {
			setFirst(getTextContent());
			setFlag("-");
			setForCal();
		} else if (e.getSource().equals(frame.getMulti())) {
			setFirst(getTextContent());
			setFlag("*");
			setForCal();
		} else if (e.getSource().equals(frame.getDivide())) {
			setFirst(getTextContent());
			setFlag("/");
			setForCal();
		} else if (e.getSource().equals(frame.getEqual())) {
			double result = 0.0;
			setSecond(getTextContent());
			if (getFlag().equals("+")) {
				// result = calculator.add(first, second);
				result = cal.sum(first, second);
				setFlag("");
			} else if (getFlag().equals("-")) {
				// result = calculator.sub(first, second);
				result = cal.sub(first, second);
				setFlag("");
			} else if (getFlag().equals("*")) {
				// result = calculator.multi(first, second);
				result = cal.mul(first, second);
				setFlag("");
			} else if (getFlag().equals("/")) {
				// result = calculator.div(first, second);
				result = cal.div(first, second, 5);
				setFlag("");
			} else {
				
			} 
			frame.getTextField().setText(result + "");
		} else if (e.getSource().equals(frame.getPoint())) {
			String content = frame.getTextField().getText();
			str = content + ".";
			frame.getTextField().setText(str);
		} else if (e.getSource().equals(frame.getCEButton())) {
			frame.getTextField().setText("0");
		}
	}

	public static void main(String[] args) {
		CalculatorFrame frame = new CalculatorFrame();
		Controller controller = new Controller(frame);
		controller.getTextContent();
	}
}