@inherits DInputBase<bool>

@* daisyUI Checkbox: https://daisyui.com/components/checkbox/ . With LabelText the checkbox sits in a <label class="label">
   followed by the text, as in daisyUI's fieldset examples. Indeterminate renders aria-checked="mixed", which daisyUI
   draws like the :indeterminate state that only script could set. *@
@if (LabelText is null)
{
	@Checkbox
}
else
{
	<label class="label">
		@Checkbox
		@LabelText
	</label>
}

@code {
	[Parameter] public DColor Color { get; set; }
	[Parameter] public DSize Size { get; set; }
	[Parameter] public string LabelText { get; set; }
	/// <summary>The mixed state; a click clears it and reports false through IndeterminateChanged.</summary>
	[Parameter] public bool Indeterminate { get; set; }
	[Parameter] public EventCallback<bool> IndeterminateChanged { get; set; }

	string CssClassFull => Cx("checkbox", IsInvalid ? "checkbox-error" : ColorClass, SizeClass, CssClass);

	RenderFragment Checkbox => @<input @attributes="InputAttributes" type="checkbox" class="@CssClassFull" name="@NameAttribute"
									   checked="@CurrentValue" @onchange="OnChange" aria-checked="@(Indeterminate ? "mixed" : null)"
									   aria-invalid="@(IsInvalid ? "true" : null)" />;

	string ColorClass => Color switch
	{
		DColor.Neutral => "checkbox-neutral",
		DColor.Primary => "checkbox-primary",
		DColor.Secondary => "checkbox-secondary",
		DColor.Accent => "checkbox-accent",
		DColor.Info => "checkbox-info",
		DColor.Success => "checkbox-success",
		DColor.Warning => "checkbox-warning",
		DColor.Error => "checkbox-error",
		_ => null
	};

	string SizeClass => Size switch
	{
		DSize.Xs => "checkbox-xs",
		DSize.Sm => "checkbox-sm",
		DSize.Lg => "checkbox-lg",
		DSize.Xl => "checkbox-xl",
		_ => null
	};

	async Task OnChange(ChangeEventArgs e)
	{
		CurrentValue = e.Value is true;
		if (Indeterminate)
		{
			Indeterminate = false;
			await IndeterminateChanged.InvokeAsync(false);
		}
	}
}