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package prerna.reactor.tax;

import java.util.List;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import prerna.reactor.AbstractReactor;
import prerna.sablecc2.om.InMemStore;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.nounmeta.NounMetadata;

public class StoreValue extends AbstractReactor {

	private static final Logger LOGGER = LogManager.getLogger(StoreValue.class.getName());

	//TODO: find a common place to put these
	public static final String STORE_NOUN = "store";
	public static final String KEY_NOUN = "key";
	public static final String VALUE_NOUN = "value";

	/**
	 * This reactor takes in 3 nouns
	 * store -> this points to the store name
	 * 			this will automatically be replaced with
	 * 			the NounMetadata that is in the pixel planner
	 * 
	 * key ->	this points to the unique key for the value
	 * 			we are adding to the store
	 * 
	 * value ->	this is the value we are storing
	 */

	@Override
	public NounMetadata execute()
	{
		NounMetadata storeNoun = (NounMetadata) this.store.getNoun(STORE_NOUN).getNoun(0);
		String key = this.store.getNoun(KEY_NOUN).get(0).toString();
		Object value = this.store.getNoun(VALUE_NOUN).get(0);
		PixelDataType valueType = this.store.getNoun(VALUE_NOUN).getMeta(0);
		// create a noun meta for the value to store
		NounMetadata valueData = new NounMetadata(value, valueType);

		InMemStore storeVariable = (InMemStore) storeNoun.getValue();
		storeVariable.put(key, valueData);
		LOGGER.info("Successfully stored " + key + " = " + value);

		return null;
	}

	@Override
	public List getInputs() {
		// if we are running this
		// any other situation which tries to change this value in the map
		// will end up recursively overriding with the existing value
		// if we add this to the plan
		// so we will just return null
		return null;
	}
}