@typeparam TValue
@inherits DInputBase<TValue>

@* daisyUI Textarea: https://daisyui.com/components/textarea/ . Blazor sets the textarea's value property, so the bound
   value is the content; rows, placeholder and the like pass through. *@
<textarea @attributes="InputAttributes" class="@CssClassFull" name="@NameAttribute" value="@CurrentValueAsString"
		  @oninput="OnInput" @onchange="OnChange" aria-invalid="@(IsInvalid ? "true" : null)"></textarea>

@code {
	[Parameter] public DColor Color { get; set; }
	[Parameter] public DSize Size { get; set; }
	[Parameter] public bool Ghost { get; set; }
	/// <summary>Update the bound value on every keystroke instead of on change.</summary>
	[Parameter] public bool Immediate { get; set; }
	/// <summary>Adds daisyUI's validator class: error/success colors and a following DValidatorHint.</summary>
	[Parameter] public bool Validator { get; set; }

	string CssClassFull => Cx("textarea", IsInvalid ? "textarea-error" : ColorClass, SizeClass, Ghost ? "textarea-ghost" : null,
		Validator ? "validator" : null, CssClass);

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

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

	void OnInput(ChangeEventArgs e)
	{
		if (Immediate)
			CurrentValueAsString = e.Value?.ToString();
	}

	void OnChange(ChangeEventArgs e) => CurrentValueAsString = e.Value?.ToString();
}