// 
// PackageManagementProject.cs
// 
// Author:
//   Matt Ward <ward.matt@gmail.com>
// 
// Copyright (C) 2012-2013 Matthew Ward
// 
// 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 System.Linq;

using System.Runtime.Versioning;
using MonoDevelop.PackageManagement;
using MonoDevelop.Projects;
using NuGet;

namespace ICSharpCode.PackageManagement
{
	public class PackageManagementProject : IPackageManagementProject
	{
		ISharpDevelopPackageManager packageManager;
		ISharpDevelopProjectManager projectManager;
		IPackageManagementEvents packageManagementEvents;
		IDotNetProject project;
		ProjectTargetFramework targetFramework;

		public PackageManagementProject (
			IPackageRepository sourceRepository,
			IDotNetProject project,
			IPackageManagementEvents packageManagementEvents,
			IPackageManagerFactory packageManagerFactory)
		{
			SourceRepository = sourceRepository;
			this.project = project;
			this.packageManagementEvents = packageManagementEvents;
			
			packageManager = packageManagerFactory.CreatePackageManager (sourceRepository, project);
			projectManager = packageManager.ProjectManager;
		}
		
		public string Name {
			get { return project.Name; }
		}

		public DotNetProject DotNetProject {
			get { return project.DotNetProject; }
		}

		public IDotNetProject Project {
			get { return project; }
		}

		public FrameworkName TargetFramework {
			get { return GetTargetFramework(); }
		}

		FrameworkName GetTargetFramework()
		{
			if (targetFramework == null) {
				targetFramework = new ProjectTargetFramework(project);
			}
			return targetFramework.TargetFrameworkName;
		}

		public IPackageRepository SourceRepository { get; private set; }
		
		public ILogger Logger {
			get { return packageManager.Logger; }
			set {
				packageManager.Logger = value;
				packageManager.FileSystem.Logger = value;
			
				projectManager.Logger = value;
				projectManager.Project.Logger = value;

				ConfigureLoggerForSourceRepository ();
			}
		}

		void ConfigureLoggerForSourceRepository ()
		{
			var aggregateRepository = SourceRepository as AggregateRepository;
			if (aggregateRepository != null) {
				aggregateRepository.Logger = Logger;
			}
		}
		
		public event EventHandler<PackageOperationEventArgs> PackageInstalled {
			add { packageManager.PackageInstalled += value; }
			remove { packageManager.PackageInstalled -= value; }
		}
		
		public event EventHandler<PackageOperationEventArgs> PackageUninstalled {
			add { packageManager.PackageUninstalled += value; }
			remove { packageManager.PackageUninstalled -= value; }
		}
		
		public event EventHandler<PackageOperationEventArgs> PackageReferenceAdded {
			add { projectManager.PackageReferenceAdded += value; }
			remove { projectManager.PackageReferenceAdded -= value; }
		}
		
		public event EventHandler<PackageOperationEventArgs> PackageReferenceRemoved {
			add { projectManager.PackageReferenceRemoved += value; }
			remove { projectManager.PackageReferenceRemoved -= value; }
		}
		
		public bool IsPackageInstalled(IPackage package)
		{
			return projectManager.IsInstalled(package);
		}
		
		public bool IsPackageInstalled(string packageId)
		{
			return projectManager.IsInstalled(packageId);
		}
		
		public IQueryable<IPackage> GetPackages()
		{
			return projectManager.LocalRepository.GetPackages();
		}
		
		public IEnumerable<PackageOperation> GetInstallPackageOperations(IPackage package, InstallPackageAction installAction)
		{
			return packageManager.GetInstallPackageOperations(package, installAction);
		}
		
		public void InstallPackage(IPackage package, InstallPackageAction installAction)
		{
			packageManager.InstallPackage(package, installAction);
		}
		
		public void UninstallPackage(IPackage package, UninstallPackageAction uninstallAction)
		{
			packageManager.UninstallPackage(package, uninstallAction);
		}
		
		public void UpdatePackage(IPackage package, UpdatePackageAction updateAction)
		{
			packageManager.UpdatePackage(package, updateAction);
		}
		
		public InstallPackageAction CreateInstallPackageAction()
		{
			return new InstallPackageAction(this, packageManagementEvents);
		}
		
		public UninstallPackageAction CreateUninstallPackageAction()
		{
			return new UninstallPackageAction(this, packageManagementEvents);
		}
		
		public UpdatePackageAction CreateUpdatePackageAction()
		{
			return new UpdatePackageAction(this, packageManagementEvents);
		}
		
		public IEnumerable<IPackage> GetPackagesInReverseDependencyOrder()
		{
			var packageSorter = new PackageSorter(null);
			return packageSorter
				.GetPackagesByDependencyOrder(projectManager.LocalRepository)
				.Reverse();
		}
		
		public void UpdatePackages(UpdatePackagesAction updateAction)
		{
			packageManager.UpdatePackages(updateAction);
		}
		
		public UpdatePackagesAction CreateUpdatePackagesAction()
		{
			return new UpdatePackagesAction(this, packageManagementEvents);
		}

		public ReinstallPackageAction CreateReinstallPackageAction ()
		{
			return new ReinstallPackageAction (this, packageManagementEvents);
		}
		
		public IEnumerable<PackageOperation> GetUpdatePackagesOperations(
			IEnumerable<IPackage> packages,
			IUpdatePackageSettings settings)
		{
			return packageManager.GetUpdatePackageOperations(packages, settings);
		}

		public ReinstallPackageOperations GetReinstallPackageOperations (IEnumerable<IPackage> packages)
		{
			return packageManager.GetReinstallPackageOperations (packages);
		}
		
		public void RunPackageOperations(IEnumerable<PackageOperation> operations)
		{
			packageManager.RunPackageOperations(operations);
		}
		
		public bool HasOlderPackageInstalled(IPackage package)
		{
			return projectManager.HasOlderPackageInstalled(package);
		}
		
		public void UpdatePackageReference(IPackage package, IUpdatePackageSettings settings)
		{
			packageManager.UpdatePackageReference(package, settings);
		}

		public void AddPackageReference (IPackage package)
		{
			bool allowPrerelease = !package.IsReleaseVersion ();
			bool ignoreDependencies = true;
			packageManager.AddPackageReference (package, ignoreDependencies, allowPrerelease);
		}

		public IPackage FindPackage(string packageId)
		{
			return projectManager.LocalRepository.FindPackage (packageId);
		}

		public IEnumerable<PackageReference> GetPackageReferences ()
		{
			return projectManager.GetPackageReferences ();
		}

		public bool AnyUnrestoredPackages ()
		{
			return GetPackageReferences ()
				.Any (packageReference => !IsPackageInstalled (packageReference));
		}

		bool IsPackageInstalled (PackageReference packageReference)
		{
			return projectManager.LocalRepository.Exists (packageReference.Id, packageReference.Version);
		}

		public IPackageConstraintProvider ConstraintProvider {
			get {
				var constraintProvider = projectManager.LocalRepository as IPackageConstraintProvider;
				if (constraintProvider != null) {
					return constraintProvider;
				}
				return NullConstraintProvider.Instance;
			}
		}
	}
}