/*-
 * #%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.
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 *    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
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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package org.scijava.ops.engine.struct;

import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

import org.scijava.ops.engine.exceptions.impl.FunctionalTypeOpException;
import org.scijava.ops.engine.util.internal.OpMethodUtils;
import org.scijava.struct.MemberParser;
import org.scijava.common3.Types;

public class MethodParameterMemberParser implements
	MemberParser<Method, SynthesizedParameterMember<?>>
{

	@Override
	public List<SynthesizedParameterMember<?>> parse(Method source,
		Type structType)
	{
		if (source == null) return null;

		source.setAccessible(true);

		// obtain a parameterData
		ParameterData paramData = new SynthesizedMethodParameterData(source, Types
			.raw(structType));

		final var items = new ArrayList<SynthesizedParameterMember<?>>();

		// Determine functional type
        var functionalType = OpMethodUtils.getOpMethodType(Types.raw(structType),
			source);

		// Parse method level @Parameter annotations.
		try {
			FunctionalParameters.parseFunctionalParameters(items, functionalType,
				paramData);
		}
		catch (IllegalArgumentException exc) {
			throw new FunctionalTypeOpException(source, exc);
		}

		return items;
	}

}
