namespace Htmx.ApiDemo.Templates.Components;

/// <summary>
/// shadcn-style FileInput component with optional label and description.
/// </summary>
public sealed class FileInput : FileInputBase
{
    private readonly byte[] _idData;
    private readonly byte[] _nameData;
    private readonly byte[] _acceptData;
    private readonly byte[] _multipleData;
    private readonly byte[] _labelData;
    private readonly byte[] _descriptionData;
    private readonly byte[] _extraClassesData;
    private readonly byte[] _hxAttrsData;

    public FileInput(
        string id,
        string name        = "",
        string accept      = "",
        bool   multiple    = false,
        string label       = "",
        string description = "",
        string extraClasses = "",
        string hxAttrs     = "")
    {
        _idData           = id.ToUtf8Bytes();
        _nameData         = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
        _acceptData       = string.IsNullOrEmpty(accept) ? [] : $"""accept="{accept}" """.ToUtf8Bytes();
        _multipleData     = multiple ? "multiple".ToUtf8Bytes() : [];
        _extraClassesData = extraClasses.ToUtf8Bytes();
        _hxAttrsData      = hxAttrs.ToUtf8Bytes();

        _labelData = string.IsNullOrEmpty(label)
            ? []
            : $"""<label for="{id}" class="text-sm font-medium leading-none">{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 RenderAccept(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_acceptData);
    protected override void RenderMultiple(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_multipleData);
    protected override void RenderLabel(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_labelData);
    protected override void RenderDescription(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_descriptionData);
    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
    protected override void RenderHxAttrs(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_hxAttrsData);
}