---
import Icon from '@ui/Icon.astro'
import NavbarMenuItem, { type Level2 } from './NavbarMenuItem.astro'
import menu from '@data/menu.json'
import menuSample from '@data/menu-sample.json'

interface Level1 {
  'title': string
  'title-long'?: string
  'icon'?: string
  'url'?: string
  'badge'?: string
  'active'?: boolean
  'disabled'?: boolean
  'right'?: boolean
  'columns'?: number
  /** section label rendered before this item (sidebar only, needs the `sections` prop) */
  'section'?: string
  'children'?: Record<string, Level2>
}

interface Props {
  /** active menu entry, e.g. "dashboards.default" */
  pageMenu?: string | undefined
  sample?: boolean
  hideIcons?: boolean
  longTitles?: boolean
  keepOpen?: boolean
  autoOpen?: boolean
  /** renders `section` fields from the menu data as group labels */
  sections?: boolean
  class?: string
}

const { pageMenu = '', sample = false, hideIcons = false, longTitles = false, keepOpen = false, autoOpen = false, sections = false, class: className } = Astro.props

const currentPage = pageMenu.split('.')
const items = Object.entries((sample ? menuSample : menu) as Record<string, Level1>)

// per-column = ceil(size / columns), break every per-column.
const chunk = <T,>(arr: T[], size: number): T[][] => {
  const out: T[][] = []
  for (let i = 0; i < arr.length; i += size) out.push(arr.slice(i, i + size))
  return out
}
---

<!-- BEGIN NAVBAR MENU -->
<ul class:list={['navbar-nav', className]}>
  {
    items.map(([key, item]) => {
      const active = key === currentPage[0] || item.active
      const hasChildren = !!item.children
      const children = Object.entries(item.children ?? {})
      const columns = item.columns ? chunk(children, Math.ceil(children.length / item.columns)) : null
      const title = longTitles ? (item['title-long'] ?? item.title) : item.title

      return (
        <Fragment>
          {sections && item.section && <li class="nav-section-title">{item.section}</li>}
          <Fragment set:html={'<!-- BEGIN NAVBAR ITEM -->'} />
          <li class:list={['nav-item', active && 'active', hasChildren && 'dropdown']}>
            <a
              class:list={['nav-link', hasChildren && 'dropdown-toggle', item.disabled && 'disabled']}
              href={hasChildren ? '#' : `./${item.url}`}
              data-bs-toggle={hasChildren ? 'dropdown' : undefined}
              data-bs-auto-close={hasChildren ? (keepOpen ? 'false' : 'outside') : undefined}
              role={hasChildren ? 'button' : undefined}
              aria-haspopup={hasChildren ? 'true' : undefined}
              aria-expanded={hasChildren ? (autoOpen && key === currentPage[0] ? 'true' : 'false') : undefined}
              aria-current={active && !hasChildren ? 'page' : undefined}
            >
              {!hideIcons && <span class="nav-link-icon">{item.icon && <Icon name={item.icon} />}</span>}

              <span class="nav-link-title">{title}</span>

              {item.badge && <span class="badge badge-sm bg-red text-red-fg">{item.badge}</span>}
            </a>

            {hasChildren && (
              <div class:list={['dropdown-menu', item.right && 'dropdown-menu-end', autoOpen && key === currentPage[0] && 'show']}>
                {columns ? (
                  <div class="dropdown-menu-columns">
                    {columns.map((column) => (
                      <div class="dropdown-menu-column">
                        {column.map(([childKey, child]) => (
                          <NavbarMenuItem level1Key={key} itemKey={childKey} item={child} currentPage={currentPage} keepOpen={keepOpen} />
                        ))}
                      </div>
                    ))}
                  </div>
                ) : (
                  children.map(([childKey, child]) => <NavbarMenuItem level1Key={key} itemKey={childKey} item={child} currentPage={currentPage} keepOpen={keepOpen} />)
                )}
              </div>
            )}
          </li>
          <Fragment set:html={'<!-- END NAVBAR ITEM -->'} />
        </Fragment>
      )
    })
  }
</ul>
<!-- END NAVBAR MENU -->