DDM 2022-11-15

//PassSettings.java
package com.joythis.android.passwordsgenerator;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.TextView;

public class PassSettings extends AppCompatActivity {
    Context mContext;

    TextView mTvDashboard; // feedback quando se utiliza a SeekBar
    SeekBar mSbSize; // controla o tamanho das passwords a produzir
    CheckBox mCbCapitalLetters, mCbSmallLetters, mCbDigits;
    EditText mEtSS; // onde se entram os símbolos "especiais"
    Button mBtnConfirmSettings; // quando clicked, fará a escrita das escolhas em SharedPreferences

    SharedPreferences mSp; // membro de dados para aceder às SP (nesta Activity, escrevê-las)

    AmUtil mUtil;

    View.OnClickListener mClickHandler = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            switch(v.getId()){
                case R.id.idBtnConfirmSettings:
                    actionConfirmSettings();
                    break;
            }//switch
        } // onClick
    }; // mClickHandler

    /*
    gravar os settings
    *e*
    regressar à Activity principal
     */
    void actionConfirmSettings(){
        saveSettingsToSharedPreferences();
        //TODO
    }

    /*
    observar as opções assumidas pela UI
    e gravá-las em SP
     */
    void saveSettingsToSharedPreferences(){
        int iPassSize = mSbSize.getProgress();
        boolean bCL = mCbCapitalLetters.isChecked();
        boolean bSL = mCbSmallLetters.isChecked();
        boolean bDigits = mCbDigits.isChecked();
        String ss = mEtSS.getText().toString().trim();

        if (mSp!=null){
            SharedPreferences.Editor ed =
                mSp.edit();
            if (ed!=null){
                ed.putInt(PassGen.KEY_SIZE, iPassSize);
                ed.putBoolean(PassGen.KEY_BCL, bCL);
                ed.putBoolean(PassGen.KEY_BSL, bSL);
                ed.putBoolean(PassGen.KEY_BDigits, bDigits);
                ed.putString(PassGen.KEY_SS, ss);
                ed.commit(); // síncrono / bloqueante
                //ed.apply(); // assíncrono
                mUtil.feedback(
                    this.getResources().getString(
                        //"Info: settings written"
                        R.string.strInfoUpdatedSettings
                    )
                );
            }//if

        }//if
    } // saveSettingsToSharedPreferences

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

        init();
    }//onCreate

    void init(){
        //1 - assocs
        mContext = this;

        mTvDashboard = findViewById(R.id.idTvDashboard);
        mSbSize = findViewById(R.id.idSbSize);
        mCbCapitalLetters = findViewById(R.id.idCbCapitalLetters);
        mCbSmallLetters = findViewById(R.id.idCbSmallLetters);
        mCbDigits = findViewById(R.id.idCbDigits);
        mEtSS = findViewById(R.id.idEtSS);
        mBtnConfirmSettings = findViewById(R.id.idBtnConfirmSettings);

        mUtil = new AmUtil(this);

        mSp = this.getSharedPreferences(
            PassGen.SETTINGS_DB, // nome do ficheiro com a DB SP
            MODE_PRIVATE
        );

        //2 - behaviors / comportamentos
        mBtnConfirmSettings.setOnClickListener(mClickHandler);

        mEtSS.setOnKeyListener(mKeyHandler);
    }//init

    View.OnKeyListener mKeyHandler = new View.OnKeyListener() {
        @Override
        public boolean onKey(
            View v,
            int keyCode,
            KeyEvent event
        )
        {
            boolean bActionKeyDown =
            event.getAction()==KeyEvent.ACTION_DOWN;

            if (bActionKeyDown){
                boolean bWasENTER =
                keyCode == KeyEvent.KEYCODE_ENTER;

                if (bWasENTER){
                    mUtil.hideSoftKeyboard();
                    saveSettingsToSharedPreferences();
                    return true; // evento completamente consumido
                }// if
            }//if
            return false;
        } // onKey
    }; // mKeyHandler
}