package com.panelic.kalkulator;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity implements OnClickListener{

    EditText et_result;
    Button btn_one, btn_two, btn_three, btn_four, btn_five, btn_six, btn_seven,
            btn_eight, btn_nine, btn_zero, btn_point, btn_add, btn_minus, btn_times,
            btn_divide, btn_equal, btn_clear;

    double num1 = 0;
    int indicator = 0;

    ModelActivity c_model;
    ControllerActivity c_controller;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initializeVars();
    }

    public void initializeVars(){

        et_result = (EditText)findViewById(R.id.et_result);
        btn_one = (Button)findViewById(R.id.btn_one);
        btn_two = (Button)findViewById(R.id.btn_two);
        btn_three = (Button)findViewById(R.id.btn_three);
        btn_four = (Button)findViewById(R.id.btn_four);
        btn_five = (Button)findViewById(R.id.btn_five);
        btn_six = (Button)findViewById(R.id.btn_six);
        btn_seven = (Button)findViewById(R.id.btn_seven);
        btn_eight = (Button)findViewById(R.id.btn_eight);
        btn_nine = (Button)findViewById(R.id.btn_nine);
        btn_zero = (Button)findViewById(R.id.btn_zero);
        btn_point = (Button)findViewById(R.id.btn_point);
        btn_add = (Button)findViewById(R.id.btn_add);
        btn_minus = (Button)findViewById(R.id.btn_minus);
        btn_times = (Button)findViewById(R.id.btn_times);
        btn_divide = (Button)findViewById(R.id.btn_divide);
        btn_equal = (Button)findViewById(R.id.btn_equal);
        btn_clear = (Button)findViewById(R.id.btn_clear);

        btn_one.setOnClickListener(this);
        btn_two.setOnClickListener(this);
        btn_three.setOnClickListener(this);
        btn_four.setOnClickListener(this);
        btn_five.setOnClickListener(this);
        btn_six.setOnClickListener(this);
        btn_seven.setOnClickListener(this);
        btn_eight.setOnClickListener(this);
        btn_nine.setOnClickListener(this);
        btn_zero.setOnClickListener(this);
        btn_point.setOnClickListener(this);
        btn_add.setOnClickListener(this);
        btn_minus.setOnClickListener(this);
        btn_times.setOnClickListener(this);
        btn_divide.setOnClickListener(this);
        btn_equal.setOnClickListener(this);
        btn_clear.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        try{
            switch(v.getId()){
                case R.id.btn_one:
                    et_result.setText(et_result.getText().toString()+btn_one.getText().toString());
                    break;

                case R.id.btn_two:
                    et_result.setText(et_result.getText().toString()+btn_two.getText().toString());
                    break;

                case R.id.btn_three:
                    et_result.setText(et_result.getText().toString()+btn_three.getText().toString());
                    break;

                case R.id.btn_four:
                    et_result.setText(et_result.getText().toString()+btn_four.getText().toString());
                    break;

                case R.id.btn_five:
                    et_result.setText(et_result.getText().toString()+btn_five.getText().toString());
                    break;

                case R.id.btn_six:
                    et_result.setText(et_result.getText().toString()+btn_six.getText().toString());
                    break;

                case R.id.btn_seven:
                    et_result.setText(et_result.getText().toString()+btn_seven.getText().toString());
                    break;

                case R.id.btn_eight:
                    et_result.setText(et_result.getText().toString()+btn_eight.getText().toString());
                    break;

                case R.id.btn_nine:
                    et_result.setText(et_result.getText().toString()+btn_nine.getText().toString());
                    break;

                case R.id.btn_zero:
                    et_result.setText(et_result.getText().toString()+btn_zero.getText().toString());
                    break;

                case R.id.btn_point:
                    et_result.setText(et_result.getText().toString()+btn_point.getText().toString());
                    break;

                case R.id.btn_add:
                    num1 = Double.parseDouble(et_result.getText().toString());
                    et_result.setText("");
                    indicator = 1;
                    break;

                case R.id.btn_minus:
                    num1 = Double.parseDouble(et_result.getText().toString());
                    et_result.setText("");
                    indicator = 2;
                    break;

                case R.id.btn_times:
                    num1 = Double.parseDouble(et_result.getText().toString());
                    et_result.setText("");
                    indicator = 3;
                    break;

                case R.id.btn_divide:
                    num1 = Double.parseDouble(et_result.getText().toString());
                    et_result.setText("");
                    indicator = 4;
                    break;

                case R.id.btn_clear:
                    et_result.setText("");
                    break;

                case R.id.btn_equal:

                    c_model = new ModelActivity(num1, Double.parseDouble(et_result.getText().toString()));
                    c_controller = new ControllerActivity();

                    switch(indicator){
                        case 1:
                            et_result.setText(Double.toString(c_controller.addition(c_model)));
                            break;
                        case 2:
                            et_result.setText(Double.toString(c_controller.subtraction(c_model)));
                            break;
                        case 3:
                            et_result.setText(Double.toString(c_controller.multiplication(c_model)));
                            break;
                        case 4:
                            et_result.setText(Double.toString(c_controller.divistion(c_model)));
                            break;
                    }

                    break;
            }

        }catch(Exception e){
            e.printStackTrace();
        }
    }
}