import { redirect } from 'next/navigation'
import { Prisma } from '@/generated/prisma/client'
import { getAdminContext } from '@/lib/permissions'
import { prisma } from '@/lib/prisma'
import { fetchEmulatorRankSummaries } from '@/lib/services/permission-ranks'
import { PermissionsList } from './permissions-list'

export default async function PermissionsPage(_props: { params: Promise<{ locale: string }> }) {
  const { permissions } = await getAdminContext()
  if (!permissions.isSuperAdmin) redirect('/admin')

  const ranks = await fetchEmulatorRankSummaries(prisma)

  // User counts per rank
  const rawCounts: { rank: number; cnt: number }[] = await prisma.$queryRaw(
    Prisma.sql`SELECT \`rank\`, COUNT(*) as cnt FROM users GROUP BY \`rank\``,
  )
  const countMap: Record<number, number> = {}
  for (const row of rawCounts) {
    countMap[Number(row.rank)] = Number(row.cnt)
  }

  // Auto-create CMS roles for ranks >= 4
  for (const rank of ranks) {
    if (rank.id >= 4) {
      await prisma.aclRole.upsert({
        where: { slug: `rank_${rank.id}` },
        create: { slug: `rank_${rank.id}`, title: rank.rank_name || `Rank ${rank.id}` },
        update: {},
      })
    }
  }

  const ranksWithCounts = ranks.map((rank) => ({
    ...rank,
    userCount: countMap[rank.id] ?? 0,
  }))

  return <PermissionsList ranks={ranksWithCounts} />
}