import { notFound } from 'next/navigation'
import { getItem } from '@/lib/actions'
import { canEditList } from '@/lib/permissions'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/pages/api/auth/[...nextauth]'
import ItemDetail from '@/components/ItemDetail'
import Link from 'next/link'
import { ArrowLeft, Edit } from 'lucide-react'
import DeleteItemButton from '@/components/DeleteItemButton'
import ToggleItemButton from '@/components/ToggleItemButton'

export const dynamic = 'force-dynamic'

interface PageProps {
  params: {
    id: string
    itemId: string
  }
}

export default async function ItemDetailPage({ params }: PageProps) {
  const session = await getServerSession(authOptions)
  if (!session?.user?.id) {
    notFound()
  }

  const itemData = await getItem(params.itemId)

  if (!itemData || itemData.listId !== params.id) {
    notFound()
  }

  // Type assertion for the item with list relation
  const item = itemData as typeof itemData & {
    list: {
      title: string
      color: string
      ownerId: string
    }
  }

  // Check if user can edit this list
  const canEdit = await canEditList(session.user.id, params.id)

  return (
    <main className="container mx-auto px-4 sm:px-6 py-6 sm:py-8 max-w-4xl">
      {/* Header Actions */}
      <div className="flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4 mb-6">
        <Link
          href={`/list/${params.id}`}
          className="flex items-center gap-2 text-gray-600 hover:text-gray-900 active:text-black transition-colors tap-target-sm text-sm sm:text-base"
        >
          <ArrowLeft size={20} className="flex-shrink-0" />
          <span>Back to List</span>
        </Link>

        <div className="flex items-center gap-2 w-full sm:w-auto">
          {canEdit && (
            <>
              <ToggleItemButton itemId={item.id} completed={item.completed} />
              <Link
                href={`/list/${params.id}/item/${params.itemId}/edit`}
                className="flex items-center gap-2 px-4 sm:px-5 py-2.5 sm:py-3 bg-blue-500 hover:bg-blue-600 active:bg-blue-700 text-white rounded-lg transition-colors tap-target text-sm sm:text-base font-medium"
              >
                <Edit size={18} className="flex-shrink-0" />
                <span>Edit</span>
              </Link>
              <DeleteItemButton itemId={item.id} listId={params.id} />
            </>
          )}
        </div>
      </div>

      {/* Item Detail */}
      <div className="bg-white rounded-lg shadow-sm border border-gray-200 p-5 sm:p-6 lg:p-8">
        <ItemDetail 
          item={{
            id: item.id,
            title: item.title,
            description: item.description,
            completed: item.completed,
            priority: item.priority,
            dueDate: item.dueDate,
            tags: item.tags,
            notes: item.notes,
            createdAt: item.createdAt,
            updatedAt: item.updatedAt,
            listId: item.listId,
          }} 
          listTitle={item.list.title} 
        />
      </div>
    </main>
  )
}