// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using NuGet;

namespace ICSharpCode.PackageManagement
{
	public abstract class ProcessPackageOperationsAction : ProcessPackageAction
	{
		public ProcessPackageOperationsAction(
			IPackageManagementProject project,
			IPackageManagementEvents packageManagementEvents)
			: base(project, packageManagementEvents)
		{
		}
		
		public IEnumerable<PackageOperation> Operations { get; set; }

		public override bool HasPackageScriptsToRun()
		{
			BeforeExecute();
			var files = new PackageFilesForOperations(Operations);
			return files.HasAnyPackageScripts();
		}
		
		protected override void BeforeExecute()
		{
			base.BeforeExecute();
			GetPackageOperationsIfMissing();
		}
		
		void GetPackageOperationsIfMissing()
		{
			if (Operations == null) {
				Operations = GetPackageOperations();
			}
		}
		
		protected virtual IEnumerable<PackageOperation> GetPackageOperations()
		{
			return null;
		}
	}
}