using System;

namespace BetterUI;

/// <summary>
/// A page that is displayed by a Router.
/// </summary>
/// <remarks>
/// This is a panel that is displayed by a Router. It contains a few useful properties and methods
/// for managing the state of the page.
/// </remarks>
public abstract class RouterPage : Panel
{
	/// <summary>
	/// The router that owns this page.
	/// </summary>
	/// <remarks>
	/// This is set by the router when the page is added to it.
	/// </remarks>
	[CascadingProperty] protected Router Router { get; set; } = null!;

	/// <summary>
	/// Gets a value indicating whether this page is open.
	/// </summary>
	public bool IsOpen { get; private set; }

	/// <summary>
	/// Shows the page.
	/// </summary>
	internal void Show()
	{
		IsOpen = true;
		RemoveClass( "hidden" );
	}

	/// <summary>
	/// Hides the page.
	/// </summary>
	internal void Hide()
	{
		IsOpen = false;
		AddClass( "hidden" );
	}

	/// <inheritdoc />
	protected override int BuildHash() => HashCode.Combine( Router );
}