@using SharpIDE.Application.Features.Build
@using SharpIDE.Application.Features.SolutionDiscovery
@using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence
@using SharpIDE.Photino.Models
@inherits LayoutComponentBase

@inject IDialogService DialogService
@inject BuildService BuildService
@inject AppState AppState

<MudLayout>
	<MudAppBar Dense="true">
		<MudIconButton Icon="@Icons.Material.Filled.Menu" Color="Color.Inherit" Edge="Edge.Start" OnClick="@((e) => DrawerToggle())" />
		<MudButtonGroup OverrideStyles="false">
			<MudButton Variant="Variant.Filled" Size="Size.Small" Color="Color.Primary" OnClick="@BuildSolution">Build</MudButton>
			<MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary" OnClick="@RebuildSolution">Rebuild</MudButton>
			<MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary" OnClick="@CleanSolution">Clean</MudButton>
			<MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary" OnClick="@RestoreSolution">Restore</MudButton>
		</MudButtonGroup>
		<MudButton OnClick="@CancelBuild" Disabled="@(_cancellationTokenSource is null or { IsCancellationRequested: true })">
			<MudIcon Disabled="@(_cancellationTokenSource is null or { IsCancellationRequested: true })" Icon="@Icons.Material.Filled.Cancel" Size="Size.Medium" Color="Color.Error" />
		</MudButton>
		<MudSpacer />
		<MudStack Row="true" AlignItems="AlignItems.Center">
			<MudButton OnClick="@TerminalDrawerToggle">
				<MudIcon Icon="@Icons.Material.Filled.Terminal" Size="Size.Medium" Color="Color.Default" />
			</MudButton>
			<MudButton>
				<MudIcon Icon="@Icons.Material.Filled.PlayArrow" Size="Size.Medium" Color="Color.Success" />
			</MudButton>
			<MudButton OnClick="@OpenSettingsDialog">
				<MudIcon Icon="@Icons.Material.Filled.Settings" Size="Size.Medium" Color="Color.Default" />
			</MudButton>
		</MudStack>
	</MudAppBar>
	<MudDrawer @bind-Open="@_drawerOpen" Width="400px" ClipMode="DrawerClipMode.Always">
		@if (_solutionFilePath is not null)
		{
			<SolutionExplorer @bind-SelectedFile="@_selectedFile" SolutionModel="@_solutionModel"/>
		}
		@* <NavMenu/> *@
	</MudDrawer>
	<MudMainContent>
		<MudContainer MaxWidth="MaxWidth.False" Class="mt-2">
			@* @Body *@
			@if (_solutionFilePath is not null)
			{
				<CodeViewer SelectedFile="@_selectedFile" />
			}
		</MudContainer>
	</MudMainContent>
	<MudDrawer @bind-Open="@_terminalDrawerOpen" Elevation="2" Variant="DrawerVariant.Temporary" Overlay="false" Anchor="Anchor.Bottom">
		@if (_solutionFilePath is not null)
		{
			<MudText>Terminal</MudText>
			<TerminalOutputDisplay/>
		}
	</MudDrawer>
</MudLayout>

@code {
	private bool _drawerOpen = true;
	private bool _terminalDrawerOpen = false;
	private void DrawerToggle() => _drawerOpen = !_drawerOpen;
	private void TerminalDrawerToggle() => _terminalDrawerOpen = !_terminalDrawerOpen;

	private string? _solutionFilePath;
	private SharpIdeSolutionModel? _solutionModel;
	private SharpIdeFile? _selectedFile;

	protected override async Task OnInitializedAsync()
	{
		var dialogRef = await DialogService.ShowAsync<SolutionPickerDialog>("Open Solution", new DialogOptions { FullWidth = true, MaxWidth = MaxWidth.Medium, BackdropClick = false });
		var result = await dialogRef.Result;
		if (result is null) throw new InvalidOperationException("Dialog result is null");
		if (result.Canceled) throw new OperationCanceledException("Dialog was canceled");
		var solutionFilePath = (string)result.Data!;
		_solutionFilePath = solutionFilePath;

		var solutionModel = await VsPersistenceMapper.GetSolutionModel(_solutionFilePath);
		_solutionModel = solutionModel;
		if (AppState.IdeSettings.AutoOpenTerminalOnLaunch)
		{
			_ = Task.Run(async () =>
			{
				// The mud drawer is a pain, has an initial state, and won't open if you try to open it before it has rendered (presumably using js)
				await Task.Delay(125).ConfigureAwait(false);
				_terminalDrawerOpen = true;
				await InvokeAsync(StateHasChanged).ConfigureAwait(false);
			}).ConfigureAwait(false);
		}
	}

	private CancellationTokenSource? _cancellationTokenSource = null!;
	private async Task BuildSolution() => await MsBuildSolution(BuildType.Build);
	private async Task RebuildSolution() => await MsBuildSolution(BuildType.Rebuild);
	private async Task CleanSolution() => await MsBuildSolution(BuildType.Clean);
	private async Task RestoreSolution() => await MsBuildSolution(BuildType.Restore);
	private async Task MsBuildSolution(BuildType buildType)
	{
		if (AppState.IdeSettings.OpenTerminalOnBuildRebuildRestore) _terminalDrawerOpen = true;
		_cancellationTokenSource = new CancellationTokenSource();
		await BuildService.MsBuildSolutionAsync(_solutionFilePath!, buildType, _cancellationTokenSource.Token);
	}
	private async Task CancelBuild() => await _cancellationTokenSource!.CancelAsync();

	private async Task OpenSettingsDialog()
	{
		var dialogRef = await DialogService.ShowAsync<IdeSettingsDialog>("SharpIDE Settings", new DialogOptions { MaxWidth = MaxWidth.Medium, CloseButton = true });
	}

}