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package prerna.reactor;

import prerna.sablecc2.om.GenRowStruct;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.ReactorKeysEnum;
import prerna.sablecc2.om.nounmeta.NounMetadata;

public class EchoReactor extends AbstractReactor {

	public EchoReactor() {
		this.keysToGet = new String[] {ReactorKeysEnum.VALUE.getKey()};
	}
	
	@Override
	public NounMetadata execute() {
		organizeKeys();
		GenRowStruct grs = this.store.getNoun(this.keysToGet[0]);
		if(grs != null && !grs.isEmpty()) {
			return grs.getNoun(0);
		}
		grs = this.store.getNoun(ALL_NOUN_STORE);
		if(grs != null && !grs.isEmpty()) {
			return grs.getNoun(0);
		}
		
		return new NounMetadata("", PixelDataType.CONST_STRING);
	}
	
	@Override
	protected String getDescriptionForKey(String key) {
		if(key.equals(ReactorKeysEnum.VALUE.getKey())) {
			return "The value to echo back";
		}
		return super.getDescriptionForKey(key);
	}
	
	@Override
	public String getReactorDescription() {
		return "This reactor returns back the input the user enters";
	}
}