@using Microsoft.Build.Construction
@using SharpIDE.Application.Features.SolutionDiscovery

@if (_solutionFile is null)
{
	return;
}

<MudTreeView T="ProjectInSolution" Dense="true" >
	@foreach(var project in _rootNodes)
	{
		@GetProjectFragment(project)
	}
</MudTreeView>


@code {

	private SolutionFile _solutionFile = null!;
	private List<ProjectInSolution> _rootNodes = [];
	private Dictionary<string, Folder?> _folders = new();

	private RenderFragment GetProjectFragment(ProjectInSolution project) =>
		@<text>
			 <MudTreeViewItem TextTypo="Typo.body2" Icon="@Icons.Material.Filled.Folder" IconColor="Color.Primary" Value="project" Text="@project.ProjectName">
				 @foreach(var child in _solutionFile.ProjectsByGuid.Values.Where(s => s.ParentProjectGuid == project.ProjectGuid).OrderBy(s => s.ProjectName))
				 {
					 @GetProjectFragment(child)
				 }
				 @if (_folders.GetValueOrDefault(project.ProjectGuid, null) is {} value)
				 {
					 @GetFolderFragment(value)
				 }
			 </MudTreeViewItem>
	</text>;

	private RenderFragment GetFolderFragment(Folder folder) =>
		@<text>
			 @foreach (var subFolder in folder.Folders)
			 {
				 <MudTreeViewItem TextTypo="Typo.body2" @bind-Expanded="subFolder.Expanded" T="ProjectInSolution" Text="@subFolder.Name">
					 @if (subFolder.Expanded)
					 {
						 @GetFolderFragment(subFolder)
					 }
				 </MudTreeViewItem>
			 }
			 @foreach (var file in folder.Files)
			 {
				 <MudTreeViewItem TextTypo="Typo.body2" T="ProjectInSolution" Text="@file.Name" />
			 }
	</text>;

	protected override async Task OnInitializedAsync()
	{
		await Task.Run(() => LoadSolution("C:/Users/Matthew/Documents/Git/amazon/ClientPortal.sln"));
	}

	private void LoadSolution(string solutionPath)
	{
		var solutionFile = GetNodesInSolution.ParseSolutionFileFromPath("C:/Users/Matthew/Documents/Git/amazon/ClientPortal.sln");
		ArgumentNullException.ThrowIfNull(solutionFile);
		_solutionFile = solutionFile;
		var rootNodes = solutionFile.ProjectsByGuid.Values.Where(p => p.ParentProjectGuid == null).OrderBy(s => s.ProjectName).ToList();
		_rootNodes = rootNodes;

		var folders2 = _solutionFile.ProjectsByGuid.Values
			.Where(s => s.ProjectType == SolutionProjectType.KnownToBeMSBuildFormat)
			//.Take(2)
			.Select(s =>
			{
				var rootFolder = new Folder
				{
					Name = Path.GetFileNameWithoutExtension(s.AbsolutePath),
					Path = Path.GetDirectoryName(s.AbsolutePath)!,
					IsPseudoFolder = false
				};
				rootFolder.Folders = rootFolder.GetSubFolders();
				return (s, rootFolder);
			})
			.ToDictionary(s => s.s.ProjectGuid, s => s.Item2);
		_folders = folders2!;
	}

}