@using Sandbox;
@using Sandbox.UI;
@namespace SS1
@inherits PanelComponent

@*<root class="@(Manager.Instance.IsPauseMenuOpen && !Manager.Instance.IsGameOver ? "show" : "")">*@
<root class="@(Manager.Instance.IsPauseMenuOpen ? "show" : "")">

	@if(Manager.Instance.Difficulty != 0) {
		<label class="difficulty" style="color:@(Manager.GetDifficultyLabelColor(Manager.Instance.Difficulty).Rgba);">@Manager.GetNameForDifficulty(Manager.Instance.Difficulty)</label>
	}

	<label class="title">@(Manager.Instance.NumPlayers > 1 ? "Menu" : "Paused")</label>

	@{
		var time = Manager.Instance.IsGameOver
			? TimeSpan.FromSeconds( Manager.Instance.FinalRunTime )
			: TimeSpan.FromSeconds( Manager.Instance.TimeSinceRunStart.Relative );

		string timeStr = time.TotalSeconds > 3600 ? time.ToString(@"hh\:mm\:ss") : time.ToString(@"mm\:ss");
	}

	<label class="timer">@($"Run Time\n{timeStr}")</label>

	<div class="content">
		<button onclick=@(() => Manager.Instance.SetPaused(false))>
			@if(Input.UsingController) { <InputHint class="@(_resumeButton.IsHeld ? "pressed" : "")" Button=@_resumeButton.Action /> }
			Resume
		</button>
		<button class="red" onclick=@(() => Restart())>
			@if(Input.UsingController) { <InputHint class="@(_restartButton.IsHeld ? "pressed" : "")" Button=@_restartButton.Action /> }
			Restart
		</button>
		<button class="red" onclick=@(() => ReturnToMainMenu())>
			@if(Input.UsingController) { <InputHint class="@(_quitButton.IsHeld ? "pressed" : "")" Button=@_quitButton.Action /> }
			Quit to Main Menu
		</button>
	</div>
</root>

@code
{
	public static PauseMenu Instance { get; private set; }
	[Property] SceneFile GameScene { get; set; }
	[Property] SceneFile MenuScene { get; set; }

	protected override void OnAwake()
	{
		Instance = this;
	}

	readonly GamepadButton _resumeButton = new("Back");
	readonly GamepadButton _restartButton = new("reload");
	readonly GamepadButton _quitButton = new("use");

	protected override void OnUpdate()
	{
		base.OnUpdate();

		bool isOpen = Manager.Instance.IsPauseMenuOpen;

		if ( _resumeButton.Update( isOpen ) ) Manager.Instance.SetPaused( false );
		else if ( _restartButton.Update( isOpen ) ) Restart();
		else if ( _quitButton.Update( isOpen ) ) ReturnToMainMenu();
	}

	public void Restart()
	{
		// Game.ActiveScene.Load(GameScene);
		Manager.Instance.Restart();
	}

	public void ReturnToMainMenu()
	{
		Game.ActiveScene.Load(MenuScene);
	}

	protected override int BuildHash()
	{
		var time = Manager.Instance.IsGameOver
			? TimeSpan.FromSeconds( Manager.Instance.FinalRunTime )
			: TimeSpan.FromSeconds( Manager.Instance.TimeSinceRunStart.Relative );

		return System.HashCode.Combine(
			Manager.Instance.IsPauseMenuOpen,
			time.Seconds,
			Input.UsingController,
			_resumeButton.IsHeld,
			_restartButton.IsHeld,
			_quitButton.IsHeld
		);
	}
}