/*-
 * #%L
 * Java implementation of the SciJava Ops matching engine.
 * %%
 * Copyright (C) 2016 - 2024 SciJava developers.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */

package org.scijava.ops.engine;

import org.scijava.ops.api.OpEnvironment;
import org.scijava.ops.api.OpInstance;
import org.scijava.ops.api.RichOp;
import org.scijava.common3.Types;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

/**
 * An object that can wrap an Op into a {@link RichOp}
 *
 * @param <T> the {@link Type} of the Op
 */
public interface OpWrapper<T> {

	/**
	 * Wraps an Op into a {@link RichOp}
	 *
	 * @param op an Op
	 * @param env the {@link OpEnvironment} that produced the Op
	 * @param conditions the {@link MatchingConditions} used to produce the Op
	 * @return a {@link RichOp} wrapping {@code op}
	 */
	RichOp<T> wrap(OpInstance<T> op, OpEnvironment env,
		MatchingConditions conditions);

	default Class<?> type() {
        var wrapperType = getClass().getGenericInterfaces()[0];
		if (wrapperType instanceof ParameterizedType) {
			return Types.raw(((ParameterizedType) wrapperType)
				.getActualTypeArguments()[0]);
		}
		return null;
	}
}
