package com.example.myapplication;

import android.content.Context;

import java.util.Date;

import androidx.lifecycle.LiveData;
import androidx.room.Room;

public class ForecastRepository {

    private ForecastDao forecastDao;

    private static ForecastRepository repo = new ForecastRepository();
    private ForecastDatabase database = null;

    private ForecastRepository() {}

    public static ForecastRepository getRepo(Context context) {
        repo.buildDatabase(context);
        return repo;
    }

    private void buildDatabase(Context context) {
        if (database == null) {
            database = Room.databaseBuilder(context.getApplicationContext(), ForecastDatabase.class, "forecast_database").build();
            forecastDao = database.forecastDao();
            Forecast test = new Forecast();
            test.setDescription("Brussel");
            test.setTemperature(69);
            test.setLastUpdated(new Date("11/12/2018"));
            database.forecastDao().insertAll();
        }
    }

    public LiveData<Forecast> getForecast() {
        if (database == null) {
            return null;
        }
        return forecastDao.getOne();
    }
}