package org.gcube.resourceregistry;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.context.ContextElaborator;
import org.gcube.informationsystem.impl.utils.ISMapper;
import org.gcube.informationsystem.model.entity.Context;
import org.gcube.informationsystem.resourceregistry.context.ContextManagement;
import org.gcube.informationsystem.resourceregistry.context.ContextManagementImpl;

/**
 * @author Luca Frosini (ISTI - CNR)
 */
public class ContextCreator extends ContextElaborator {

	protected Map<String, UUID> contexts;
	
	protected ContextManagement contextManagement;
	
	public ContextCreator() {
		super();
		contexts = new HashMap<>();
		contextManagement = new ContextManagementImpl();
	}
	
	@Override
	protected void elaborateContext(ScopeBean scopeBean) throws Exception {
		UUID parentUUID = null;
		switch(scopeBean.type()) {
			case INFRASTRUCTURE:
				parentUUID = null;
				break;
			
			default:
				parentUUID = getParentUUID(scopeBean);
				break;
		}
		
		
		String created = contextManagement.create(parentUUID, scopeBean.name());
		Context context = ISMapper.unmarshal(Context.class, created);
		contexts.put(scopeBean.toString(), context.getHeader().getUUID());
	}

	private UUID getParentUUID(ScopeBean scopeBean) {
		String parent = scopeBean.toString().replace("/" + scopeBean.name(), "");
		return contexts.get(parent);
	}
	
}