import type { Roadmap, RoadmapStats } from '../_types'
import { statusColors, statusLabels } from '../_constants'

export function RoadmapDetailHeader({
  roadmap,
  stats,
  onCreateItem,
}: {
  roadmap: Roadmap
  stats: RoadmapStats | null
  onCreateItem: () => void
}) {
  return (
    <div className="bg-white rounded-xl border-2 border-gray-200 p-6 mb-6">
      <div className="flex items-start justify-between mb-4">
        <div>
          <h2 className="text-xl font-bold text-gray-900">{roadmap.title}</h2>
          <p className="text-sm text-gray-500 mt-1">{roadmap.description}</p>
        </div>
        <span className={`px-3 py-1 text-sm rounded-full ${statusColors[roadmap.status]}`}>
          {statusLabels[roadmap.status]}
        </span>
      </div>

      <div className="mb-4">
        <div className="flex justify-between text-sm text-gray-500 mb-1">
          <span>{roadmap.completed_items}/{roadmap.total_items} Items abgeschlossen</span>
          <span>{roadmap.progress}%</span>
        </div>
        <div className="w-full h-3 bg-gray-100 rounded-full overflow-hidden">
          <div className="h-full bg-purple-500 rounded-full transition-all" style={{ width: `${roadmap.progress}%` }} />
        </div>
      </div>

      {stats && (
        <div className="grid grid-cols-4 gap-4 mb-4">
          <div className="bg-gray-50 rounded-lg p-3 text-center">
            <div className="text-2xl font-bold text-red-600">{stats.overdue_items}</div>
            <div className="text-xs text-gray-500">Ueberfaellig</div>
          </div>
          <div className="bg-gray-50 rounded-lg p-3 text-center">
            <div className="text-2xl font-bold text-yellow-600">{stats.upcoming_items}</div>
            <div className="text-xs text-gray-500">Anstehend</div>
          </div>
          <div className="bg-gray-50 rounded-lg p-3 text-center">
            <div className="text-2xl font-bold text-gray-900">{stats.total_effort_days}</div>
            <div className="text-xs text-gray-500">Aufwand (Tage)</div>
          </div>
          <div className="bg-gray-50 rounded-lg p-3 text-center">
            <div className="text-2xl font-bold text-purple-600">{stats.progress}%</div>
            <div className="text-xs text-gray-500">Fortschritt</div>
          </div>
        </div>
      )}

      <button onClick={onCreateItem}
        className="px-3 py-1.5 text-sm bg-purple-600 text-white rounded-lg hover:bg-purple-700">
        Neues Item
      </button>
    </div>
  )
}