geofot96/StudyBuddy

package ch.epfl.sweng.studdybuddy.Fragments;


import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;

import ch.epfl.sweng.studdybuddy.R;
import ch.epfl.sweng.studdybuddy.core.User;
import ch.epfl.sweng.studdybuddy.firebase.FirebaseReference;
import ch.epfl.sweng.studdybuddy.firebase.MetaGroup;
import ch.epfl.sweng.studdybuddy.firebase.Metabase;
import ch.epfl.sweng.studdybuddy.firebase.ReferenceWrapper;
import ch.epfl.sweng.studdybuddy.services.meeting.MeetingLocation;
import ch.epfl.sweng.studdybuddy.sql.SqlWrapper;
import ch.epfl.sweng.studdybuddy.tools.Consumer;
import ch.epfl.sweng.studdybuddy.util.ActivityHelper;
import ch.epfl.sweng.studdybuddy.util.Language;
import ch.epfl.sweng.studdybuddy.util.MapsHelper;
import ch.epfl.sweng.studdybuddy.util.Messages;
import ch.epfl.sweng.studdybuddy.util.SettingsFragmentHelper;
import ch.epfl.sweng.studdybuddy.util.StudyBuddy;

/**
 * A fragment containing settings: favourite location, favourite language and ability to sign out
 */
public class SettingsFragment extends Fragment implements AdapterView.OnItemSelectedListener {

    Spinner spinnerLang;
    String favoriteLanguage;
    User user;
    String uId;
    FirebaseReference ref;
    Metabase metaBase;
    Button signOut;
    Button applyButton;
    View view;
    MeetingLocation favoriteLocation = MapsHelper.ROLEX_LOCATION;
    SqlWrapper sqlWrapper;
    StudyBuddy application;
    private TextView textDisplayLocation;

    /**
     *  Required empty public constructor
     */
    public SettingsFragment(){}


    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        super.onCreate(savedInstanceState);
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState)
    {
        view = inflater.inflate(R.layout.fragment_settings, container, false);
        application = ((StudyBuddy) getActivity().getApplication());
        user = application.getAuthendifiedUser();
        ref = (FirebaseReference) getDB();
        uId = user.getUserID().getId();
        metaBase = new MetaGroup();
        sqlWrapper = new SqlWrapper(this.getActivity());
        textDisplayLocation = view.findViewById(R.id.text_location_set_up);

        setUpUI();

        return view;
    }

    /**
     *  Getter for the database instance
     */
    public ReferenceWrapper getDB(){
        return new FirebaseReference();
    }

    /**
     *  Set up the view of user's favourite language field and current data from database
     */
    void setUpLang() {
        spinnerLang = view.findViewById(R.id.spinner_languages_settings);
        spinnerLang.setOnItemSelectedListener(this);

        FirebaseReference ref = new FirebaseReference();

        ArrayAdapter<String> dataAdapterLanguages = new ArrayAdapter<>(this.getContext(), android.R.layout.simple_spinner_item, Language.languages);
        dataAdapterLanguages.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinnerLang.setAdapter(dataAdapterLanguages);

        updateLanguage(user);
        ref.select(Messages.FirebaseNode.USERS).select(uId).get(User.class, SettingsFragmentHelper.updateLanguage(this));
    }


    public void updateLanguage(User user){
        String selectedLanguage = user.getFavoriteLanguage() != null ? user.getFavoriteLanguage() : Language.EN;
        spinnerLang.setSelection(Language.LanguageToInt(selectedLanguage));
    }

    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        switch(parent.getId()){
            case R.id.spinner_languages_settings:
                favoriteLanguage = (parent.getItemAtPosition(position).toString());
        }
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent d) {
        super.onActivityResult(requestCode, resultCode, d);
        MeetingLocation defaultLocation = ActivityHelper.meetingLocationFromBundle(requestCode, resultCode);

            if(defaultLocation != null) {
                favoriteLocation = defaultLocation;
                Log.i("TEST", favoriteLocation.toString());
                textDisplayLocation.setText("Default Location: " + defaultLocation.toString());
            }
    }



    /**
     *  Call all methods that in charge of UI in this fragment - language field, location field,
     *  sign out and apply settings button
     */
    public void setUpUI(){
        setUpLang();
        setUpLocation();
        setUpSignOut();
        SetUpApply();
    }


    /**
     *  Setter for apply button
     */
    public void SetUpApply(){
        applyButton = view.findViewById(R.id.btn_settings_apply);
        applyButton.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               ref.select(Messages.FirebaseNode.USERS).select(SettingsFragment.this.uId).select("favoriteLanguage").setVal(favoriteLanguage);
               ref.select(Messages.FirebaseNode.USERS).select(uId).select("favoriteLocation").setVal(favoriteLocation);
               user.setFavoriteLanguage(favoriteLanguage);
               user.setFavoriteLocation(favoriteLocation);
               application.setAuthendifiedUser(user);
               sqlWrapper.insertUser(user);
           }
        });
    }


    /**
     *  Set up data in order to display location field and current location from database
     */
    public void setUpLocation(){
        textDisplayLocation.setOnClickListener(SettingsFragmentHelper.setUpLocationOnClickListener(this));
        favoriteLocation = user.getFavoriteLocation() != null ? user.getFavoriteLocation() : favoriteLocation;
        textDisplayLocation.setText("Default Location: " + favoriteLocation.toString());

        metaBase.getUserAndConsume(uId, new Consumer<User>() {
            @Override
            public void accept(User user) {
                SettingsFragment.this.user = user;

                if(user.getFavoriteLanguage() != null)
                {
                    favoriteLocation = user.getFavoriteLocation();
                }
                textDisplayLocation.setText("Default Location: " + favoriteLocation.toString());
            }
        });
    }

    public void setUpSignOut(){
        signOut = view.findViewById(R.id.btn_sign_out);
        signOut.setOnClickListener(SettingsFragmentHelper.signOutButtonOnClickLister(uId, this));
    }
}