package com.example.bottomnavigationaddsubmult.ui.sub;

import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.bottomnavigationaddsubmult.MainActivity;
import com.example.bottomnavigationaddsubmult.R;


import android.content.Context;
import android.content.Intent;
import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;

import com.example.bottomnavigationaddsubmult.Basis;

//import com.example.vorldbottomnavigationaddsubmult.MainActivity;
//import com.example.vorldbottomnavigationaddsubmult.R;

import java.util.Random;

import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;



public class SubFragment extends Fragment {

    private static final String TAG = SubFragment.class.getSimpleName();

    private TextView tvtitle=null;

    private EditText tnumber1 = null;
    private EditText tnumber2 = null;
    private EditText tnumber3 = null;
    private TextView tvcomment = null;

    private Button bntest = null;
    private Button bnagain = null;
    private int zahl1=0;
    private int zahl2=0;
    private int ergebnis=0;



    public SubFragment() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_sub, container, false);


        tvtitle = view.findViewById(R.id.tvtitlesub);

        tnumber1 = view.findViewById(R.id.tnumber1);
        tnumber2 = view.findViewById(R.id.tnumber2);
        tnumber3 = view.findViewById(R.id.tnumber3);
        tvcomment = view.findViewById(R.id.tvcomment);


        bntest = (Button) view.findViewById(R.id.bntest);
        bnagain = (Button) view.findViewById(R.id.bnagain);

        bntest.setOnClickListener( new View.OnClickListener() {
                                       @Override
                                       public void onClick(View v) {
                                           bntest_Click();
                                       }
                                   }
        );
        bnagain.setOnClickListener( new View.OnClickListener() {
                                        @Override
                                        public void onClick(View v) {
                                            bnagain_Click();
                                        }
                                    }
        );

        //InputMethodManager in = (InputMethodManager) this.getSystemService(Context.INPUT_METHOD_SERVICE);

        tnumber3.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if (actionId == EditorInfo.IME_ACTION_GO){
                    // auf goEvent
                    return true;
                }

                if (actionId == EditorInfo.IME_ACTION_NEXT){
                    // auf goEvent
                    return true;
                }
                if (actionId == EditorInfo.IME_ACTION_SEND){
                    // auf goEvent
                    return true;
                }

                if (actionId == EditorInfo.IME_ACTION_DONE){  // grüne Haken
                    //
                    //MainActivity.in.hideSoftInputFromWindow(tnumber3.getApplicationWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);
                    bntest_Click();
                    return false;
                }
                return false;
            }
        });




        setRandomNumbers();

        return view;
    }  // oncreate

    private void bntest_Click() {
        Integer Zahl3 = Basis.getIntegerNumber(tnumber3.getText().toString());
        if (Zahl3==null) {
            tvcomment.setText(getText(R.string.wrongnumberformat));
        }
        else {
            int eingabeErgebnis = Zahl3.intValue();
            if (eingabeErgebnis==this.ergebnis) {
                tvcomment.setText(getText(R.string.correctnumber));
            }
            else {
                tvcomment.setText(getText(R.string.wrongnumber));
            }
        }
    }

    private void bnagain_Click() {
        setRandomNumbers();
    }

    private void setRandomNumbers() {
        Random rand = new Random();
        this.zahl1 = rand.nextInt(200)+1;
        this.zahl2 = rand.nextInt(200)+1;
        this.ergebnis = this.zahl1-this.zahl2;
        tnumber1.setText(Integer.toString(this.zahl1));
        tnumber2.setText(Integer.toString(this.zahl2));
        tnumber3.setText("?");
        tvcomment.setText("");
    }


}