package com.example.innf.geoquiz;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class QuizActivity extends AppCompatActivity {

    private static final String TAG = "QuizActivity";
    private static final String KEY_INDEX = "index";
    private static final int REQUEST_CODE_CHEAT = 0;

    private static final String EXTRA_CHEATED_ARRAY = "com.example.innf.geoquiz.cheated_array";

    private Button mTrueButton;
    private Button mFalseButton;
    private Button mNextButton;
    private Button mPrevButton;
    private Button mCheatButton;
    private TextView mQuestionTextView;

    private Question[] mQuestionBank = {
      new Question(R.string.question_oceans, true),
      new Question(R.string.question_mideast, false),
      new Question(R.string.question_africa, false),
      new Question(R.string.question_americas, true),
      new Question(R.string.question_asia, true),
    };

    private boolean[] mCheated = {
            false,false,false,false,false
    };

    private int mCurrentIndex = 0;
    private boolean mIsCheater;

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

        mTrueButton = (Button) findViewById(R.id.true_button);
        mTrueButton.setOnClickListener(new View.OnClickListener(){

            @Override
            public void onClick(View v) {
                checkAnswer(true);
            }
        });

        mFalseButton = (Button) findViewById(R.id.false_button);
        mFalseButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                checkAnswer(false);
            }
        });

        mQuestionTextView = (TextView) findViewById(R.id.question_text_view);
        mQuestionTextView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mCurrentIndex = (mCurrentIndex + 1) % mQuestionBank.length;
                updateQuestion();
            }
        });
        updateQuestion();

        mNextButton = (Button) findViewById(R.id.next_button);
        mNextButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mCurrentIndex = (mCurrentIndex + 1) % mQuestionBank.length;
                mIsCheater = false;
                updateQuestion();
            }
        });

        mPrevButton = (Button) findViewById(R.id.prev_button);
        mPrevButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mCurrentIndex > 0) {
                    mCurrentIndex = (mCurrentIndex - 1) % mQuestionBank.length;
                }else if (mCurrentIndex == 0){
                    mCurrentIndex = mQuestionBank.length - 1;
                }
                updateQuestion();
            }
        });

        if (null != savedInstanceState){
            mCurrentIndex = savedInstanceState.getInt(KEY_INDEX, 0);
            mIsCheater = savedInstanceState.getBoolean(CheatActivity.EXTRA_IS_CHEATER, false);
            mCheated = savedInstanceState.getBooleanArray(EXTRA_CHEATED_ARRAY);
        }

        mCheatButton = (Button) findViewById(R.id.cheat_button);
        mCheatButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                boolean answerIsTrue = mQuestionBank[mCurrentIndex].isAnswerTrue();
                Intent i = CheatActivity.newIntent(QuizActivity.this, answerIsTrue);
                startActivityForResult(i,REQUEST_CODE_CHEAT);
            }
        });


        updateQuestion();
    }

    private void checkAnswer(boolean userPressedTrue) {
        boolean answerIsTrue = mQuestionBank[mCurrentIndex].isAnswerTrue();

        int messageResId = 0;

        if (mIsCheater || mCheated[mCurrentIndex]){
            messageResId = R.string.judgment_toast;
        }else{
            if (userPressedTrue == answerIsTrue) {
                messageResId = R.string.correct_toast;
            }else {
                messageResId = R.string.incorrect_toast;
            }
        }

        Toast.makeText(QuizActivity.this, messageResId, Toast.LENGTH_SHORT).show();
    }

    private void updateQuestion() {
//        Log.d(TAG, "Updating question text for question #"  + mCurrentIndex, new Exception());
        int question = mQuestionBank[mCurrentIndex].getTextResId();
        mQuestionTextView.setText(question);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode != Activity.RESULT_OK){
            return;
        }

        if (requestCode == REQUEST_CODE_CHEAT){
            if (null == data){
                return;
            }
            mIsCheater = CheatActivity.wasShownAnswer(data);
            mCheated[mCurrentIndex] = mIsCheater;
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle saveInstanceState) {
        super.onSaveInstanceState(saveInstanceState);
        Log.d(TAG, "onSaveInstanceState: called");
        saveInstanceState.putInt(KEY_INDEX,mCurrentIndex);
        saveInstanceState.putBoolean(CheatActivity.EXTRA_IS_CHEATER,mIsCheater);
        saveInstanceState.putBooleanArray(EXTRA_CHEATED_ARRAY,mCheated);
    }

    @Override
    protected void onStart() {
        super.onStart();
        Log.d(TAG, "onStart: called");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.d(TAG, "onResume: called");
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.d(TAG, "onPause: called");
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.d(TAG, "onStop: called");
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.d(TAG, "onDestroy: called");
    }

    @Override
    protected void onRestart() {
        super.onRestart();
        Log.d(TAG, "onRestart: ");
    }
}