namespace Htmx.ApiDemo.Templates.Components;

/// <summary>
/// shadcn-style Textarea component with optional label and description.
/// </summary>
public sealed class Textarea : TextareaBase
{
    private readonly byte[] _idData;
    private readonly byte[] _nameData;
    private readonly byte[] _rowsData;
    private readonly byte[] _placeholderData;
    private readonly byte[] _labelData;
    private readonly byte[] _descriptionData;
    private readonly byte[] _defaultValueData;
    private readonly byte[] _extraClassesData;
    private readonly byte[] _hxAttrsData;

    public Textarea(
        string id,
        string name         = "",
        string placeholder  = "",
        string label        = "",
        string description  = "",
        string defaultValue = "",
        string extraClasses = "",
        string hxAttrs      = "",
        int    rows         = 4)
    {
        _idData           = id.ToUtf8Bytes();
        _nameData         = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
        _rowsData         = rows.ToString().ToUtf8Bytes();
        _placeholderData  = placeholder.ToUtf8Bytes();
        _extraClassesData = extraClasses.ToUtf8Bytes();
        _hxAttrsData      = hxAttrs.ToUtf8Bytes();
        _defaultValueData = defaultValue.ToUtf8Bytes();

        _labelData = string.IsNullOrEmpty(label)
            ? []
            : $"""<label for="{id}" class="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">{label}</label>""".ToUtf8Bytes();

        _descriptionData = string.IsNullOrEmpty(description)
            ? []
            : $"""<p class="text-xs text-muted-foreground">{description}</p>""".ToUtf8Bytes();
    }

    protected override void RenderId(HtmxRenderContext ctx)           => ctx.Writer.WriteUtf8(_idData);
    protected override void RenderName(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_nameData);
    protected override void RenderRows(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_rowsData);
    protected override void RenderPlaceholder(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_placeholderData);
    protected override void RenderLabel(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_labelData);
    protected override void RenderDescription(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_descriptionData);
    protected override void RenderDefaultValue(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_defaultValueData);
    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
    protected override void RenderHxAttrs(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_hxAttrsData);
}