/*
 * Copyright 2013-2017 consulo.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package consulo.csharp.ide.refactoring.changeSignature;

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

import consulo.csharp.lang.psi.CSharpAccessModifier;
import consulo.csharp.lang.psi.CSharpConstructorDeclaration;
import consulo.csharp.lang.psi.CSharpMethodDeclaration;
import consulo.dotnet.psi.DotNetLikeMethodDeclaration;
import consulo.dotnet.psi.DotNetParameter;
import com.intellij.refactoring.changeSignature.MethodDescriptor;

/**
 * @author VISTALL
 * @since 20.05.14
 */
public class CSharpMethodDescriptor implements MethodDescriptor<CSharpParameterInfo, CSharpAccessModifier>
{
	private List<CSharpParameterInfo> myParameters;
	private DotNetLikeMethodDeclaration myMethod;

	public CSharpMethodDescriptor(DotNetLikeMethodDeclaration method)
	{
		myMethod = method;

		DotNetParameter[] parameters = method.getParameters();

		myParameters = new ArrayList<CSharpParameterInfo>(parameters.length);
		for(int i = 0; i < parameters.length; i++)
		{
			DotNetParameter parameter = parameters[i];
			myParameters.add(new CSharpParameterInfo(parameter, i));
		}
	}

	@Override
	public String getName()
	{
		if(myMethod instanceof CSharpMethodDeclaration || myMethod instanceof CSharpConstructorDeclaration)
		{
			return myMethod.getName();
		}
//		if(myMethod instanceof CSharpArrayMethodDeclaration)
//		{
//			return "this[]";
//		}
		return null;
	}

	@Override
	public List<CSharpParameterInfo> getParameters()
	{
		return myParameters;
	}

	@Override
	public int getParametersCount()
	{
		return myParameters.size();
	}

	@Override
	public CSharpAccessModifier getVisibility()
	{
		return CSharpAccessModifier.findModifier(myMethod);
	}

	@Override
	public DotNetLikeMethodDeclaration getMethod()
	{
		return myMethod;
	}

	@Override
	public boolean canChangeVisibility()
	{
		return true;
	}

	@Override
	public boolean canChangeParameters()
	{
		return true;
	}

	@Override
	public boolean canChangeName()
	{
		return myMethod instanceof CSharpMethodDeclaration;
	}

	@Override
	public ReadWriteOption canChangeReturnType()
	{
		if(myMethod instanceof CSharpMethodDeclaration)
		{
			return ReadWriteOption.ReadWrite;
		}
		return ReadWriteOption.None;
	}
}