---
// Form group: label (.form-label) + control slot + optional hint (.form-hint).
import FormHint from './FormHint.astro'

interface Props {
  label?: string
  /** .required asterisk on the label */
  required?: boolean
  /** .form-label-description at the inline end of the label */
  description?: string
  /** .form-hint under the control */
  hint?: string
  /** for attribute of the label — must match the slotted control's id */
  for?: string
  /** extra classes on the label (e.g. visually-hidden) */
  labelClass?: string
  /** wrapper classes; replaces the default mb-3 */
  class?: string
}

const { label, required, description, hint, for: htmlFor, labelClass, class: className = 'mb-3' } = Astro.props

const hintId = hint && htmlFor ? `${htmlFor}-hint` : undefined
---

<div class:list={[className]}>
  {
    label && (
      <label class:list={['form-label', required && 'required', labelClass]} for={htmlFor}>
        {label}
        {required && <span class="visually-hidden"> (required)</span>}
        {description && <span class="form-label-description">{description}</span>}
      </label>
    )
  }
  <slot />
  {hint && <FormHint id={hintId}>{hint}</FormHint>}
</div>