import { prisma } from '@innungsapp/shared'
import { auth } from '@/lib/auth'
import { headers } from 'next/headers'
import { redirect } from 'next/navigation'
import Link from 'next/link'
import { MEMBER_STATUS_LABELS } from '@innungsapp/shared'
import { format } from 'date-fns'
import { de } from 'date-fns/locale'

const STATUS_COLORS = {
  aktiv: 'bg-green-100 text-green-700',
  ruhend: 'bg-yellow-100 text-yellow-700',
  ausgetreten: 'bg-red-100 text-red-700',
}

export default async function MitgliederPage({
  searchParams,
}: {
  searchParams: { q?: string; status?: string }
}) {
  const session = await auth.api.getSession({ headers: await headers() })
  if (!session?.user) redirect('/login')

  const userRole = await prisma.userRole.findFirst({
    where: { userId: session.user.id },
  })
  if (!userRole || userRole.role !== 'admin') redirect('/dashboard')

  const search = searchParams.q ?? ''
  const statusFilter = searchParams.status

  const members = await prisma.member.findMany({
    where: {
      orgId: userRole.orgId,
      ...(statusFilter && { status: statusFilter as never }),
      ...(search && {
        OR: [
          { name: { contains: search, mode: 'insensitive' } },
          { betrieb: { contains: search, mode: 'insensitive' } },
          { ort: { contains: search, mode: 'insensitive' } },
        ],
      }),
    },
    orderBy: { name: 'asc' },
  })

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-2xl font-bold text-gray-900">Mitglieder</h1>
          <p className="text-gray-500 mt-1">{members.length} Einträge</p>
        </div>
        <Link
          href="/dashboard/mitglieder/neu"
          className="bg-brand-500 text-white px-4 py-2 rounded-lg text-sm font-medium hover:bg-brand-600 transition-colors"
        >
          + Mitglied anlegen
        </Link>
      </div>

      {/* Filters */}
      <div className="bg-white rounded-xl border shadow-sm p-4 flex gap-4">
        <form className="flex gap-4 w-full">
          <input
            name="q"
            defaultValue={search}
            placeholder="Name, Betrieb, Ort suchen..."
            className="flex-1 px-3 py-2 border border-gray-300 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-brand-500"
          />
          <select
            name="status"
            defaultValue={statusFilter ?? ''}
            className="px-3 py-2 border border-gray-300 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-brand-500"
          >
            <option value="">Alle Status</option>
            <option value="aktiv">Aktiv</option>
            <option value="ruhend">Ruhend</option>
            <option value="ausgetreten">Ausgetreten</option>
          </select>
          <button
            type="submit"
            className="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm hover:bg-gray-200 transition-colors"
          >
            Suchen
          </button>
        </form>
      </div>

      {/* Table */}
      <div className="bg-white rounded-xl border shadow-sm overflow-hidden">
        <table className="w-full data-table">
          <thead>
            <tr>
              <th>Name / Betrieb</th>
              <th>Sparte</th>
              <th>Ort</th>
              <th>Mitglied seit</th>
              <th>Status</th>
              <th>Eingeladen</th>
              <th></th>
            </tr>
          </thead>
          <tbody>
            {members.map((m) => (
              <tr key={m.id}>
                <td>
                  <div>
                    <p className="font-medium text-gray-900">{m.name}</p>
                    <p className="text-xs text-gray-500">{m.betrieb}</p>
                  </div>
                </td>
                <td>{m.sparte}</td>
                <td>{m.ort}</td>
                <td>{m.seit ?? '—'}</td>
                <td>
                  <span
                    className={`inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium ${STATUS_COLORS[m.status]}`}
                  >
                    {MEMBER_STATUS_LABELS[m.status]}
                  </span>
                </td>
                <td>
                  {m.userId ? (
                    <span className="text-xs text-green-600">✓ Aktiv</span>
                  ) : (
                    <span className="text-xs text-gray-400">Nicht eingeladen</span>
                  )}
                </td>
                <td>
                  <Link
                    href={`/dashboard/mitglieder/${m.id}`}
                    className="text-sm text-brand-600 hover:underline"
                  >
                    Bearbeiten
                  </Link>
                </td>
              </tr>
            ))}
          </tbody>
        </table>
        {members.length === 0 && (
          <div className="text-center py-12 text-gray-500">
            Keine Mitglieder gefunden
          </div>
        )}
      </div>
    </div>
  )
}