import { redirect } from 'next/navigation'
import { AdminBreadcrumb } from '@/components/admin/admin-breadcrumb'
import { canAccess, getAdminContext, PERMS } from '@/lib/permissions'
import { prisma } from '@/lib/prisma'
import { loadRoom } from '../../_lib/load-room'
import { FurniClient } from './furni-client'

export default async function RoomFurniPage({
  params,
}: {
  params: Promise<{ id: string; locale: string }>
}) {
  const { id } = await params
  const { session, permissions } = await getAdminContext()
  if (!canAccess(permissions, PERMS.ROOMS_VIEW, session.user.rank)) redirect('/admin')

  const room = await loadRoom(id)

  // Load items in this room. items.item_id → items_base.id
  const items = await prisma.item.findMany({
    where: { roomId: room.id },
    orderBy: { id: 'desc' },
  })

  // Resolve item bases
  const baseIds = Array.from(new Set(items.map((i) => i.itemId)))
  const bases = baseIds.length
    ? await prisma.itemsBase.findMany({
        where: { id: { in: baseIds } },
        select: { id: true, itemName: true, publicName: true, type: true },
      })
    : []
  const baseMap = new Map(bases.map((b) => [b.id, b]))

  // Resolve owner usernames
  const userIds = Array.from(new Set(items.map((i) => i.userId).filter((u) => u > 0)))
  const users = userIds.length
    ? await prisma.user.findMany({
        where: { id: { in: userIds } },
        select: { id: true, username: true },
      })
    : []
  const userMap = new Map(users.map((u) => [u.id, u.username]))

  const rows = items.map((i) => {
    const base = baseMap.get(i.itemId)
    return {
      id: i.id,
      baseId: i.itemId,
      name: base?.publicName || base?.itemName || `#${i.itemId}`,
      itemName: base?.itemName ?? '',
      type: base?.type ?? '?',
      x: i.x,
      y: i.y,
      z: i.z,
      rot: i.rot,
      wallPos: i.wallPos,
      userId: i.userId,
      ownerUsername: userMap.get(i.userId) ?? null,
      extraData: i.extraData,
    }
  })

  return (
    <div className="space-y-6">
      <AdminBreadcrumb
        items={[
          { label: 'Rooms', href: '/admin/rooms' },
          { label: room.name, href: `/admin/rooms/show/${room.id}` },
          { label: 'Furniture' },
        ]}
      />
      <FurniClient
        room={{
          id: room.id,
          name: room.name,
          ownerUsername: room.owner?.username ?? room.owner_name,
        }}
        items={rows}
        canEdit={session.user.rank >= 4}
      />
    </div>
  )
}