package au.id.zancanaro.javacheck.state;

public class GeneratedCommand<S, A, R> {
    private final int id;
    private final Command<S, A, R> command;
    private final A args;

    public GeneratedCommand(int id, Command<S, A, R> command, A args) {
        this.id = id;
        this.command = command;
        this.args = args;
    }

    public int getId() {
        return id;
    }

    public Command<S, A, R> getCommand() {
        return command;
    }

    public A getArgs() {
        return args;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        GeneratedCommand that = (GeneratedCommand) o;

        return !(args != null ? !args.equals(that.args) : that.args != null)
                && !(command != null ? !command.equals(that.command) : that.command != null);

    }

    @Override
    public int hashCode() {
        int result = command != null ? command.hashCode() : 0;
        return 31 * result + (args != null ? args.hashCode() : 0);
    }

    @Override
    public String toString() {
        if (args == null) {
            return "#{" + id + "} = " + command;
        } else {
            return "#{" + id + "} = " + command + " <- " + args;
        }
    }
}