import { NextRequest, NextResponse } from 'next/server'
import { requireAdmin } from '@/lib/admin-auth'
import { createServiceClient } from '@/lib/supabase'

export async function GET() {
  const check = await requireAdmin()
  if (check instanceof NextResponse) return check
  const db = createServiceClient()
  const [{ data: info }, { data: zeiten }, { data: social }] = await Promise.all([
    db.from('kontakt_info').select('*').limit(1).single(),
    db.from('kontakt_oeffnungszeiten').select('*').order('reihenfolge'),
    db.from('kontakt_social').select('*').order('reihenfolge'),
  ])
  return NextResponse.json({ info: info ?? null, oeffnungszeiten: zeiten ?? [], social: social ?? [] })
}

export async function PATCH(req: NextRequest) {
  const check = await requireAdmin()
  if (check instanceof NextResponse) return check
  const body = await req.json()
  const db = createServiceClient()
  const { data: existing } = await db.from('kontakt_info').select('id').limit(1).single()
  const fields = {
    telefon: body.telefon ?? '',
    email: body.email ?? '',
    adresse_zeile1: body.adresse_zeile1 ?? '',
    adresse_zeile2: body.adresse_zeile2 ?? '',
    formular_empfaenger: body.formular_empfaenger ?? '',
    updated_at: new Date().toISOString(),
  }
  const { error } = existing
    ? await db.from('kontakt_info').update(fields).eq('id', existing.id)
    : await db.from('kontakt_info').insert(fields)
  if (error) return NextResponse.json({ error: error.message }, { status: 500 })
  return NextResponse.json({ success: true })
}