package com.flaremicro.visualforecast.api;

import com.flaremicro.visualforecast.PropertyManager;
import com.flaremicro.visualforecast.RenderPanel;
import com.flaremicro.visualforecast.forecast.ForecastDetails;

public abstract class ForecastProvider {
	ForecastProviderManager forecastProviderManager;
	/**
	 * Initialize the provider. This is called in a separate thread to any other function call.
	 * The VisualForecast 1000 software will wait on the BootupDisplay until this function completes.
	 */
	public abstract void init();
	
	/**
	 * Get the current forecast.
	 * This should delay as little as possible, as this is called in the main action thread.
	 * 
	 * @return ForecastDetails
	 */
	public abstract ForecastDetails getForecast();

	/**
	 * Should generally be true unless forecast information is collected somewhere other than init.
	 * In the case that forecast information is still unavailable by the time this is called,
	 * this should return false and upon completion and state change, should notify listeners by calling
	 * notifyForecastProviderUpdate()
	 * @return
	 */
	public abstract boolean isForecastReady();

	public abstract void deinit();
	
	public final void notifyForecastProviderUpdate()
	{
		getRenderPanel().notifyForecastProviderUpdate();
	}
	
	public final ForecastProviderManager getManager()
	{
		return forecastProviderManager;
	}
	
	public final RenderPanel getRenderPanel()
	{
		return forecastProviderManager.getRenderPanel();
	}

	/**
	 * Gets a property manager specific to the forecast provider.
	 * The property manager is already loaded.
	 * @return
	 */
	public PropertyManager getOwnPropertyManager() {
		PropertyManager propertyManager = new PropertyManager(forecastProviderManager.getProviderName(this));
		propertyManager.load();
		return propertyManager;
	}
}