using Connected.Annotations;
using Connected.Utilities;
using Microsoft.AspNetCore.Components;

namespace Connected.Components;

public partial class Breadcrumbs : UIComponent
{
	/// <summary>
	/// A list of breadcrumb items/links.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Behavior)]
	public List<BreadcrumbItem> Items { get; set; }

	/// <summary>
	/// Specifies the separator between the items.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Appearance)]
	public string Separator { get; set; } = "/";

	/// <summary>
	/// Specifies a RenderFragment to use as the separator.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Appearance)]
	public RenderFragment SeparatorTemplate { get; set; }

	/// <summary>
	/// Specifies a RenderFragment to use as the items' contents.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Behavior)]
	public RenderFragment<BreadcrumbItem> ItemTemplate { get; set; }

	/// <summary>
	/// Controls when (and if) the breadcrumbs will automatically collapse.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Behavior)]
	public byte? MaxItems { get; set; }

	/// <summary>
	/// Custom expander icon.
	/// </summary>
	[Parameter]
	[Category(CategoryTypes.Breadcrumbs.Appearance)]
	public string ExpanderIcon { get; set; } = Icons.Material.Filled.SettingsEthernet;

	public bool Collapsed { get; private set; } = true;
	private string Classname => new CssBuilder("mud-breadcrumbs")
	 .AddClass("mud-typography-body1")
	 .AddClass(Class)
	 .Build();

	internal static string GetItemClassname(BreadcrumbItem item)
	{
		return new CssBuilder("mud-breadcrumb-item")
			.AddClass("mud-disabled", item.Disabled)
			.Build();
	}

	internal void Expand()
	{
		if (!Collapsed)
			return;

		Collapsed = false;
		StateHasChanged();
	}
}