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

const categoryInput = z.object({
  slug: z.string().min(1),
  order: z.number().int().default(0),
  translations: z.object({
    fr: z.object({ name: z.string(), description: z.string().optional() }),
    ar: z.object({ name: z.string(), description: z.string().optional() })
  })
});

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

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

  const parsed = categoryInput.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 category = await prisma.category.create({
    data: {
      slug: data.slug,
      order: data.order,
      translations: {
        create: [
          { locale: 'fr', ...data.translations.fr },
          { locale: 'ar', ...data.translations.ar }
        ]
      }
    }
  });
  return NextResponse.json(category, { status: 201 });
}