package geniusweb.partiesserver.repository;

import java.io.IOException;

import geniusweb.actions.PartyId;
import geniusweb.javavenv.PythonPartyFactory;
import geniusweb.party.Capabilities;
import geniusweb.party.Party;

/**
 * An approved and ready to run party.
 */
public class AvailablePythonParty implements AvailableParty {

	private final PythonPartyFactory partyfactory;
	private final String name;

	/**
	 * 
	 * @param name         the filename. This is not a {@link PartyId}.
	 * @param partyfactory the {@link PythonPartyFactory} for the party.
	 */
	public AvailablePythonParty(String name, PythonPartyFactory partyfactory)
			throws ClassNotFoundException {
		this.name = name;
		this.partyfactory = partyfactory;
	}

	@Override
	public String getID() {
		return name;
	}

	@Override
	public String getName() {
		return name;
	}

	/**
	 * 
	 * @return cached copy of what was received from a call to
	 *         {@link Party#getDescription()}.
	 */
	@Override
	public String getDescription() {
		return partyfactory.getDescription();
	}

	/**
	 * 
	 * @return cached copy of what was received from a call to
	 *         {@link AvailableParty#getCapabilities()}
	 */
	@Override
	public Capabilities getCapabilities() {
		return partyfactory.getCapabilites();
	}

	@Override
	public Party getInstance() throws InstantiationFailedException {
		try {
			return partyfactory.getInstance();
		} catch (IOException e) {
			throw new InstantiationFailedException(
					"Failed to create instance of " + name, e);
		}
	}

	@Override
	public void free() {
		partyfactory.close();
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		result = prime * result
				+ ((partyfactory == null) ? 0 : partyfactory.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		AvailablePythonParty other = (AvailablePythonParty) obj;
		if (name == null) {
			if (other.name != null)
				return false;
		} else if (!name.equals(other.name))
			return false;
		if (partyfactory == null) {
			if (other.partyfactory != null)
				return false;
		} else if (!partyfactory.equals(other.partyfactory))
			return false;
		return true;
	}

	@Override
	public String toString() {
		return name + " (" + partyfactory + ")";
	}

}