package org.simantics.interop.mapping.data;


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

import org.simantics.db.Resource;

public class ResourceSplitIdentifiable extends ResourceIdentifiable {

	private static int counter = 0;
	
	//private Resource resource;
	private int identifier;
	private int index;
	
	
	ResourceSplitIdentifiable(Resource resource, int index, int identifier) {
		super(resource);
		this.index = index;
		this.identifier = identifier;
	}
	
	public static List<Identifiable> createIdentifiables(ResourceIdentifiable identifiable, int count) {
		List<Identifiable> result = new ArrayList<Identifiable>(count);
		int identifier = counter++;
		for (int i = 0; i < count; i++) {
			result.add(new ResourceSplitIdentifiable(identifiable.getResource(), 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) {
			return ResourceSetSplitIdentifiable.createIdentifiables(identifiable, count);	
		} else {
			List<Identifiable> result = new ArrayList<Identifiable>(count);
			int identifier = counter++;
			for (int i = 0; i < count; i++) {
				result.add(new ResourceSplitIdentifiable(res, i, identifier));
			}
			return result;
		}

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