import { getListWithItems } from '@/lib/actions'
import { getPermission } from '@/lib/permissions'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/pages/api/auth/[...nextauth]'
import { notFound } from 'next/navigation'
import Link from 'next/link'
import { ArrowLeft } from 'lucide-react'
import InlineItemCreate from '@/components/InlineItemCreate'
import ListDetailView from '@/components/ListDetailView'

export const dynamic = 'force-dynamic'
export const revalidate = 0

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

  const list = await getListWithItems(params.id)

  if (!list) {
    notFound()
  }

  // Get user's permission for this list
  const permission = await getPermission(session.user.id, params.id)
  if (!permission) {
    notFound()
  }

  const canShare = permission === 'owner'
  const canEdit = permission === 'owner' || permission === 'editor'
  const completedItems = list.items.filter(item => item.completed)

  return (
    <main className="container mx-auto px-4 sm:px-6 py-6 sm:py-8 max-w-6xl">
      {/* Header */}
      <div className="mb-6 sm:mb-8">
        <Link 
          href="/" 
          className="inline-flex items-center gap-2 text-gray-600 hover:text-gray-900 active:text-black mb-4 transition-colors tap-target-sm text-sm sm:text-base"
        >
          <ArrowLeft size={20} className="flex-shrink-0" />
          <span>Back to Lists</span>
        </Link>
        
        <div className="flex items-center gap-2 sm:gap-3 mb-2">
          <div 
            className="w-5 h-5 sm:w-6 sm:h-6 rounded-full flex-shrink-0" 
            style={{ backgroundColor: list.color }}
          />
          <h1 className="text-2xl sm:text-3xl lg:text-4xl font-bold text-gray-900 truncate">{list.title}</h1>
        </div>
        
        <p className="text-gray-600 text-sm sm:text-base">
          {completedItems.length} of {list.items.length} tasks completed
        </p>
      </div>

      {/* Permission Badge and Share Button */}
      <div className="mb-6 sm:mb-8">
        <ListDetailView 
          listId={list.id} 
          initialItems={list.items}
          permission={permission}
          canShare={canShare}
          listTitle={list.title}
          ownerId={list.ownerId}
          ownerName={list.owner?.name}
          ownerEmail={list.owner?.email || ''}
          collaborators={list.collaborators.map(c => ({
            ...c,
            permission: c.permission as 'editor' | 'viewer'
          }))}
          showOnlyHeader={true}
        />
      </div>

      {/* Inline Item Creation - only show if user can edit */}
      {canEdit && (
        <div className="mb-6 sm:mb-8">
          <InlineItemCreate listId={list.id} />
        </div>
      )}

      {/* Items List */}
      <ListDetailView 
        listId={list.id} 
        initialItems={list.items}
        permission={permission}
        canShare={canShare}
        listTitle={list.title}
        ownerId={list.ownerId}
        ownerName={list.owner?.name}
        ownerEmail={list.owner?.email || ''}
        collaborators={list.collaborators.map(c => ({
          ...c,
          permission: c.permission as 'editor' | 'viewer'
        }))}
        showOnlyItems={true}
      />
    </main>
  )
}