package org.gcube.informationsystem.utils.documentation.generator;

import java.util.Map;
import java.util.TreeMap;

import org.gcube.informationsystem.base.reference.AccessType;
import org.gcube.informationsystem.types.TypeMapper;
import org.gcube.informationsystem.types.reference.Type;
import org.gcube.informationsystem.utils.documentation.knowledge.Tree;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Luca Frosini (ISTI - CNR)
 */
public class TreeGenerator {

	private static final Logger logger = LoggerFactory.getLogger(TreeGenerator.class);
	
	protected Map<AccessType, Tree> types;
	
	public TreeGenerator() {
		types = new TreeMap<>();
	}
	
	public void addType(Type type) {
		AccessType accessType = type.getAccessType();
		if(types.get(accessType)==null) {
			Type head = TypeMapper.createTypeDefinition(accessType.getTypeClass());
			Tree tree = new Tree(head);
			types.put(accessType, tree);
		}
		if(type.getName().compareTo(accessType.getName())==0) {
			return;
		}
		Tree tree = types.get(accessType);
		tree.addNode(type);
	}
	
	
	public void elaborateTree(AccessType at, Tree tree) {
		logger.info("\n{}", tree.toString());
		
//		elaborateList(propertyTypes);
//		
//		File f = getFile(ENTITIES_FILENAME, true);
//		DocumentationGenerator edg = new EntityDocumentationGenerator(TypeMapper.createTypeDefinition(Entity.class));
//		edg.setOffsetLevel(offsetLevel);
//		StringBuffer sb = edg.generateSection();
//		Files.write(f.toPath(), sb.toString().getBytes(), StandardOpenOption.APPEND);
//		
//		elaborateList(resourceTypes);
//		elaborateList(facetTypes);
//		
//		f = getFile(RELATIONS_FILENAME, true);
//		DocumentationGenerator rdg = new RelationDocumentationGenerator(TypeMapper.createTypeDefinition(Relation.class));
//		rdg.setOffsetLevel(offsetLevel);
//		sb = rdg.generateSection();
//		Files.write(f.toPath(), sb.toString().getBytes(), StandardOpenOption.APPEND);
//		
//		elaborateList(isRelatedToTypes);
//		elaborateList(consistsOfTypes);
	}
	
	public void generate() throws Exception {
		
		AccessType[] accessTypes = new AccessType[] {
				AccessType.PROPERTY, 
				AccessType.RESOURCE, AccessType.FACET, 
				AccessType.CONSISTS_OF, AccessType.IS_RELATED_TO};
		for(AccessType at : accessTypes) {
			Tree tree = types.get(at);
			elaborateTree(at, tree);
		}
		
	}
	
}