---
import Icon from './Icon.astro'
import type { BreadcrumbVariant } from '@shared/lib/tokens'

interface Props {
  pages: string[]
  class?: string
  /** breadcrumb-{separator} class (`$breadcrumb-variants` SCSS map) */
  separator?: BreadcrumbVariant | undefined
  /** first item becomes a home-icon link */
  homeIcon?: boolean
  /** remaining attributes (id, data-*, aria-*, …) are forwarded to the root element */
  [key: string]: unknown
}

const { pages, class: className, separator, homeIcon, ...rest } = Astro.props

const items = pages

const classes = ['breadcrumb', className, separator && `breadcrumb-${separator}`]
---

<!-- BEGIN BREADCRUMB -->
<nav aria-label="Breadcrumb" {...rest}>
  <ol class:list={classes}>
    {
      items.map((page, index) =>
        index === items.length - 1 ? (
          <li class="breadcrumb-item active" aria-current="page">
            {page}
          </li>
        ) : (
          <li class="breadcrumb-item">
            {index === 0 && homeIcon ? (
              /* Demo link like the other items; "/" would break a preview hosted in a subfolder. */
              <a href="#" aria-label={page}>
                <Icon name="home" />
              </a>
            ) : (
              <a href="#">{page}</a>
            )}
          </li>
        ),
      )
    }
  </ol>
</nav>
<!-- END BREADCRUMB -->