package hu.bme.aut.sportislife.race_events;

import android.app.DatePickerDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;

import com.google.android.material.snackbar.Snackbar;

import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.room.Room;

import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;

import java.util.Calendar;
import java.util.List;

import hu.bme.aut.sportislife.R;
import hu.bme.aut.sportislife.adapter.RaceEventsAdapter;
import hu.bme.aut.sportislife.data.RaceEventsItem;
import hu.bme.aut.sportislife.data.RaceEventsListDatabase;

public class RaceEventsActivity extends AppCompatActivity
        implements DatePickerDialogFragment.OnDateSelectedListener, RaceEventsAdapter.RaceEventsItemClickListener {

    String date = null;

    private ImageButton deleteButton;
    private TextView dateText;
    private EditText nameEditText;
    private Spinner dropdown;
    private Button chooseDateButton;
    private Button saveButton;
    private LinearLayout listOfRows;
    private LayoutInflater inflater;

    //adatbázis
    private RecyclerView recyclerView;
    private RaceEventsAdapter eventsAdapter;
    private RaceEventsListDatabase database;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_race_events);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);


        nameEditText = findViewById(R.id.salary_name);
        chooseDateButton = findViewById(R.id.dateButton);
        saveButton = findViewById(R.id.save_button);
        //listOfRows = findViewById(R.id.list_of_rows);
        dateText = findViewById(R.id.dateTextView);
        deleteButton = findViewById(R.id.RaceItemRemoveButton);

        //sportok lenyíló listája
        dropdown = findViewById(R.id.raceType);
        final String[] items = new String[]{"Athletics", "Basketball", "Canoe", "Judo", "Swim"};
        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);
        dropdown.setAdapter(adapter);


        chooseDateButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //datepicker dialog
                Calendar now = Calendar.getInstance();

                DatePickerDialog datePickerDialog = new DatePickerDialog(RaceEventsActivity.this, new DatePickerDialog.OnDateSetListener() {
                    @Override
                    public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                        // TODO date kijelzése TEXTVIEWban
                        date = dayOfMonth + "/" + (month+1) + "/" + year;
                        dateText.setText(date);
                    }
                }, now.get(Calendar.YEAR),
                        now.get(Calendar.MONTH),
                        now.get(Calendar.DAY_OF_MONTH));

                datePickerDialog.show();
            }
        });


        inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);


        /*String level_selected;
        final ImageView athletics, basketball, canoe, judo, swim;
        athletics = (ImageView) findViewById(R.drawable.athletics);
        basketball = (ImageView) findViewById(R.drawable.basketball);
        canoe = (ImageView) findViewById(R.drawable.kajakkenu);
        judo = (ImageView) findViewById(R.drawable.judo);
        swim = (ImageView) findViewById(R.drawable.swim);*/

        ArrayAdapter<String> attractionsAdapter =  new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, items);

        dropdown = (Spinner) findViewById (R.id.raceType);
        dropdown.setAdapter(attractionsAdapter);
        //dropdown.setOnItemSelectedListener(this);


        saveButton.setOnClickListener(new View.OnClickListener() {
            @RequiresApi(api = Build.VERSION_CODES.N)
            @Override
            public void onClick(View view) {

                if (nameEditText.getText().toString().isEmpty() || date == null) {
                    Snackbar.make(view, "Nincs minden mezo kitoltve!", Snackbar.LENGTH_LONG)
                            .setAction("Action", null).show();
                    return;
                }

                RaceEventsItem event = getRaceEventsItem();

                createRaceEventsItem(event);
                nameEditText.setText("");
                dateText.setText("");
                //TODO dateTextview ""-ra
                date = null;

            }
        });

        deleteButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                deleteRaceEventsItem();

            }
        });

        //adatbázis

        /*FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                // TODO implement shopping item creation
            }
        });*/

        database = Room.databaseBuilder(
                getApplicationContext(),
                RaceEventsListDatabase.class,
                "raceevents-list"
        ).build();

        initRecyclerView();

    }

    private RaceEventsItem getRaceEventsItem() {
        RaceEventsItem raceEventsItem = new RaceEventsItem();

        //icon.setImageResource(chooseDateButton.isChecked() ? R.drawable.kajakkenu : R.drawable.judo);
        String selectedSport = dropdown.getSelectedItem().toString();

        switch (selectedSport) {
            case "Athletics":
                raceEventsItem.raceType = RaceEventsItem.Category.ATHLETIC;
                break;
            case "Basketball":
                raceEventsItem.raceType = RaceEventsItem.Category.BASKETBALL;
                break;
            case "Canoe":
                raceEventsItem.raceType = RaceEventsItem.Category.CANOE;
                break;
            case "Judo":
                raceEventsItem.raceType = RaceEventsItem.Category.JUDO;
                break;
            case "Swim":
                raceEventsItem.raceType = RaceEventsItem.Category.SWIM;
                break;
        }

        raceEventsItem.raceName = nameEditText.getText().toString();
        raceEventsItem.raceDate = date;
        return raceEventsItem;
    }

    private void initRecyclerView() {
        recyclerView = findViewById(R.id.MainRecyclerView);
        eventsAdapter = new RaceEventsAdapter(this);
        loadItemsInBackground();
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setAdapter(eventsAdapter);
    }

    private void loadItemsInBackground() {
        new AsyncTask<Void, Void, List<RaceEventsItem>>() {

            @Override
            protected List<RaceEventsItem> doInBackground(Void... voids) {
                return database.raceEventsItemDao().getAll();
            }

            @Override
            protected void onPostExecute(List<RaceEventsItem> shoppingItems) {
                eventsAdapter.update(shoppingItems);
            }
        }.execute();
    }

    @Override
    public void onItemChanged(final RaceEventsItem item) {
        new AsyncTask<Void, Void, Boolean>() {

            @Override
            protected Boolean doInBackground(Void... voids) {
                database.raceEventsItemDao().update(item);
                return true;
            }

            @Override
            protected void onPostExecute(Boolean isSuccessful) {
                Log.d("MainActivity", "ShoppingItem update was successful");
            }
        }.execute();
    }

    public void createRaceEventsItem(final RaceEventsItem newItem) {
        new AsyncTask<Void, Void, RaceEventsItem>() {

            @Override
            protected RaceEventsItem doInBackground(Void... voids) {
                newItem.id = database.raceEventsItemDao().insert(newItem);
                return newItem;
            }

            @Override
            protected void onPostExecute(RaceEventsItem shoppingItem) {
                eventsAdapter.addItem(shoppingItem);
            }
        }.execute();
    }


    public void deleteRaceEventsItem() {
        new AsyncTask<Void, Void, RaceEventsItem>() {
            RaceEventsItem deletingItem = getRaceEventsItem();

            @Override
            protected RaceEventsItem doInBackground(Void... voids) {
                return deletingItem;
            }

            @Override
            protected void onPostExecute(RaceEventsItem shoppingItem) {

                database.raceEventsItemDao().deleteItem(deletingItem);
            }
        }.execute();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.race_events_menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if(id == R.id.action_delete_all){

        }

        if (id == R.id.action_delete_all) {
            listOfRows.removeAllViews();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }


    @Override
    public void onDateSelected(int year, int month, int day) {

    }
}