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package prerna.reactor.masterdatabase;

import java.util.List;
import java.util.Map;
import java.util.Vector;

import prerna.auth.utils.SecurityEngineUtils;
import prerna.auth.utils.SecurityQueryUtils;
import prerna.masterdatabase.utility.MasterDatabaseUtility;
import prerna.reactor.AbstractReactor;
import prerna.sablecc2.om.GenRowStruct;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.PixelOperationType;
import prerna.sablecc2.om.ReactorKeysEnum;
import prerna.sablecc2.om.nounmeta.NounMetadata;

public class GetConceptPropertiesReactor extends AbstractReactor {
	
	public GetConceptPropertiesReactor() {
		this.keysToGet = new String[]{ReactorKeysEnum.CONCEPTS.getKey(), ReactorKeysEnum.DATABASE.getKey()};
	}

	@Override
	public NounMetadata execute() {
		GenRowStruct conceptNamesGrs = this.store.getNoun(keysToGet[0]);
		if(conceptNamesGrs == null) {
			throw new IllegalArgumentException("Need to define the concepts to find relations");
		}
		List conceptLogicals = new Vector();
		int size = conceptNamesGrs.size();
		for(int i = 0; i < size; i++) {
			conceptLogicals.add(conceptNamesGrs.get(i).toString());
		}
		
		// account for optional engine filter
		List eFilters = null;
		GenRowStruct engineFilterGrs = this.store.getNoun(keysToGet[1]);
		if(engineFilterGrs != null) {
			eFilters = new Vector();
			String engineFilter = engineFilterGrs.get(0).toString();
			engineFilter = SecurityQueryUtils.testUserEngineIdForAlias(this.insight.getUser(), engineFilter);
			eFilters.add(engineFilter);
		}
		
		List dbFilters = SecurityEngineUtils.getFullUserEngineIds(this.insight.getUser());
		if(eFilters != null) {
			if(!dbFilters.contains(eFilters.get(0))) {
				throw new IllegalArgumentException("Databases " + eFilters.get(0) + " does not exist or user does not have access");
			}
		} else {
			eFilters = new Vector();
			eFilters.addAll(dbFilters);
		}
		
		Map conceptProperties = MasterDatabaseUtility.getConceptProperties(conceptLogicals, eFilters);
		return new NounMetadata(conceptProperties, PixelDataType.CUSTOM_DATA_STRUCTURE, PixelOperationType.DATABASE_CONCEPT_PROPERTIES);
	}
	
	///////////////////////// KEYS /////////////////////////////////////

	@Override
	protected String getDescriptionForKey(String key) {
		if (key.equals(ReactorKeysEnum.DATABASE.getKey())) {
			return "The optional engine filter";
		} else {
			return super.getDescriptionForKey(key);
		}
	}

}