export const dynamic = 'force-dynamic'

import Link from 'next/link'
import { redirect } from 'next/navigation'
import { createClient } from '@/lib/supabase/server'
import { getSession } from '@/lib/auth/get-session'
import { UserManager, type AdminUser, type SiteOption } from '@/components/admin/user-manager'
import { SiteZoneManager, type SiteWithZones } from '@/components/admin/site-zone-manager'
import { TruckManager, type Truck } from '@/components/admin/truck-manager'

export default async function AdminHome() {
  const session = await getSession()
  if (!session) redirect('/login')
  if (session.role !== 'admin') redirect('/login')

  const supabase = await createClient()

  const [{ data: users }, { data: sites }, { data: trucks }] = await Promise.all([
    supabase
      .from('users')
      .select('id, name, email, role, department, site_id, active')
      .order('created_at', { ascending: false }),
    supabase
      .from('sites')
      .select('id, name, address, active, zones (id, name, qr_code_token, active)')
      .order('name'),
    supabase
      .from('trucks')
      .select('id, truck_no, carrier, active')
      .order('truck_no'),
  ])

  const siteOptions: SiteOption[] = (sites ?? []).map(s => ({ id: s.id, name: s.name }))

  return (
    <main className="max-w-4xl mx-auto px-4 py-6 space-y-6">
      <div className="flex items-center justify-between">
        <h1 className="text-2xl font-bold text-gray-900">Admin</h1>
        <nav className="flex gap-3 text-sm">
          <Link href="/hse/dashboard" className="text-blue-600 hover:underline">HSE Dashboard</Link>
          <Link href="/hse/incidents" className="text-blue-600 hover:underline">Incidents</Link>
          <Link href="/hse/capa" className="text-blue-600 hover:underline">CAPA</Link>
          <Link href="/management" className="text-blue-600 hover:underline">Management</Link>
        </nav>
      </div>
      <UserManager users={(users ?? []) as AdminUser[]} sites={siteOptions} />
      <SiteZoneManager sites={(sites ?? []) as unknown as SiteWithZones[]} />
      <TruckManager trucks={(trucks ?? []) as Truck[]} />
    </main>
  )
}