import { NextResponse } from 'next/server';
import { z } from 'zod';
import { prisma } from '@/lib/prisma';
import { requireAdmin } from '@/lib/require-admin';

const faqInput = z.object({
  serviceId: z.string().nullable().optional(),
  order: z.number().int().default(0),
  translations: z.object({
    fr: z.object({ question: z.string(), answer: z.string() }),
    ar: z.object({ question: z.string(), answer: z.string() })
  })
});

export async function GET() {
  const { response } = await requireAdmin();
  if (response) return response;
  const faqs = await prisma.faq.findMany({ include: { translations: true, service: true }, orderBy: { order: 'asc' } });
  return NextResponse.json(faqs);
}

export async function POST(req: Request) {
  const { response } = await requireAdmin();
  if (response) return response;

  const parsed = faqInput.safeParse(await req.json().catch(() => null));
  if (!parsed.success) {
    return NextResponse.json({ error: 'invalid_payload', issues: parsed.error.issues }, { status: 400 });
  }
  const data = parsed.data;

  const faq = await prisma.faq.create({
    data: {
      serviceId: data.serviceId || null,
      order: data.order,
      translations: {
        create: [
          { locale: 'fr', ...data.translations.fr },
          { locale: 'ar', ...data.translations.ar }
        ]
      }
    }
  });
  return NextResponse.json(faq, { status: 201 });
}