package org.simantics.interop.mapping.data;


import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.simantics.db.Resource;

public class ResourceSetSplitIdentifiable extends ResourceSetIdentifiable {

	private static int counter = 0;
	
	private int identifier;
	private int index;
	
	
	ResourceSetSplitIdentifiable(Resource resource, int index, int identifier) {
		super(resource);
		this.index = index;
		this.identifier = identifier;
	}
	
	public ResourceSetSplitIdentifiable(int index, int identifier, Resource primary, Resource... resource) {
		super(primary,resource);
		this.index = index;
		this.identifier = identifier;
	}
	
	public ResourceSetSplitIdentifiable(Resource primary, Collection<Resource> resources,int index, int identifier) {
		super(primary,resources);
		this.index = index;
		this.identifier = identifier;
	}
	
	public static List<Identifiable> createIdentifiables(ResourceSetIdentifiable identifiable, int count) {
		List<Identifiable> result = new ArrayList<Identifiable>(count);
		int identifier = counter++;
		for (int i = 0; i < count; i++) {
			result.add(new ResourceSetSplitIdentifiable(identifiable.getPrimary(),identifiable.getResources(), i, identifier));
		}
		return result;
	}
	
	public static List<Identifiable> createIdentifiables(Identifiable identifiable, int count) {
		Resource res = identifiable.getAdapter(Resource.class);
		if (res == null)
			return null;
		
		Resource resources[] = identifiable.getAdapter(Resource[].class);
		if (resources.length > 1) {
			List<Identifiable> result = new ArrayList<Identifiable>(count);
			int identifier = counter++;
			for (int i = 0; i < count; i++) {
				result.add(new ResourceSetSplitIdentifiable(i, identifier, res, resources));
			}
			return result;
		} else {
			return ResourceSplitIdentifiable.createIdentifiables(identifiable, count);
		}

		
	}
	
	@Override
	public boolean equals(Object arg0) {
		if (arg0 == null)
			return false;
		if (this.getClass() != arg0.getClass())
			return false;
		ResourceSetSplitIdentifiable other = (ResourceSetSplitIdentifiable)arg0;
		if (identifier != other.identifier)
			return false;
		if (index != other.index)
			return false;
		return super.equals(arg0);
	}
	
	@Override
	public Identifiable merge(Identifiable other) {
		throw new RuntimeException("Cannot be merged");
	}
	
	
	
}