package stts.edu.week9room;

import android.arch.persistence.room.Room;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;

import java.util.ArrayList;
import java.util.Arrays;

public class EditActivity extends AppCompatActivity {
    private AppDatabase db;
    private ArrayList<String> arrid = new ArrayList<String>();
    private Spinner spin;
    private ArrayAdapter<String> spinadapter;
    private EditText etnama, etmerk, etHarga;

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

        db = Room.databaseBuilder(getApplicationContext(),AppDatabase.class, "barangdb").build();
        spin = findViewById(R.id.spinner);
        spinadapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, arrid);
        spin.setAdapter(spinadapter);
        etnama = findViewById(R.id.ed_namaBarang);
        etmerk = findViewById(R.id.ed_merkBarang);
        etHarga = findViewById(R.id.ed_hargaBarang);

        loadSpinner();
    }

    public void loadSpinner(){
        new AsyncTask<Void, Void, ArrayList<Barang>>() {
            //didalam doInBackground tidak boleh akses tampilan
            @Override
            protected ArrayList<Barang> doInBackground(Void... voids) {
                ArrayList<Barang> hasil = new ArrayList<>();
                hasil.addAll(Arrays.asList(db.barangDAO().selectAllBarangs()));
                return hasil;
            }

            @Override
            protected void onPostExecute(ArrayList<Barang> barangs) {
                arrid.clear();
                for(Barang b : barangs){
                    arrid.add(String.valueOf(b.getId_barang()) + " - " + String.valueOf(b.getNama_barang()));
                }
                spinadapter.notifyDataSetChanged();
            }
        }.execute();
    }

}