DDM20211026

package com.joythis.android.motivator;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    public final static String STAMP = "@MainActivity";
    /*
    discussion about String[] (static arrays) vs. ArrayList<String>
    discussion strings in XML (better) vs. strings in Java (recompilation req)
     */
    //ArrayList<String> mAlPositiveMsgs; //e.g. if the app was to support user defined messages
    //ArrayList<String> mAlNegativeMsgs;
    String[] mAlPositiveMsgs;
    String[] mAlNegativeMsgs;

    Context mContext;
    SeekBar mSbProbPositiveMsgs;
    Button mBtnGetMsg;
    TextView mTvMsgs;
    AmUtil mUtil;

    View.OnClickListener mBtnClickHandler = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            /*
            pay attention to the user's probability of positive msg
             */
            int iUserProbability = mSbProbPositiveMsgs.getProgress(); //0-100
            int iProb = AmUtil.randomInt(0, 100);
            boolean bPositiveMsg = iProb <= iUserProbability;
            boolean bCaution = mAlPositiveMsgs!=null && mAlNegativeMsgs!=null
                    && mAlNegativeMsgs.length>0
                    && mAlPositiveMsgs.length>0;

            if (bCaution){
                if (bPositiveMsg){
                    //?
                    int idxRandom = AmUtil.randomInt(
                            0
                            ,
                            mAlPositiveMsgs.length-1
                    );
                    String strPositive = mAlPositiveMsgs[idxRandom];
                    //display!
                    String strAll =
                        strPositive + "\n" + mTvMsgs.getText().toString();
                    mTvMsgs.setText(strAll);
                }//if
                else{
                    //?
                    int idxRandom = AmUtil.randomInt(
                            0
                            ,
                            mAlNegativeMsgs.length-1
                    );
                    String strNegative = mAlNegativeMsgs[idxRandom];
                    //display!
                    String strAll = strNegative + "\n" +
                        mTvMsgs.getText().toString();
                    mTvMsgs.setText(strAll);
                }//else
            }//if bCaution
        }//onClick
    };//mBtnClickHandler

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);
        setContentView(R.layout.rl_motivator_v1);

        init();
    }//onCreate

    void init(){
        //1 - bindings
        mContext = this;
        mUtil = new AmUtil(this);
        mAlPositiveMsgs = getResources().getStringArray(R.array.saPositiveMsgs);
        /*
        for (String s: fromXML){
            mAlPositiveMsgs.add(s);
        }//for
         */
        mAlNegativeMsgs = getResources().getStringArray(R.array.saNegativeMsgs);

        mSbProbPositiveMsgs = findViewById(R.id.idSbProbPositiveMsgs);
        mBtnGetMsg = findViewById(R.id.idBtnGetMsg);
        mTvMsgs = findViewById(R.id.idTvMsgs);

        View[] mAllRelevantObjects =
                {mSbProbPositiveMsgs, mBtnGetMsg, mTvMsgs};
        //static method
        boolean bQualityControlResult = AmUtil.qualityControl(
            mAllRelevantObjects
        );
        //if (!bQualityControlResult){
        if (bQualityControlResult==false){
            Log.e(STAMP, getResources().getString(R.string.strQCFail));
            finish();
        }//if

        mUtil.fb("Hello!");

        //2 - behaviors
        mBtnGetMsg.setOnClickListener(mBtnClickHandler);
    }//init
}//MainActivity