import { NextRequest, NextResponse } from 'next/server';

interface RouteContext {
  params: Promise<{
    slug: string;
  }>;
}

export async function GET(request: NextRequest, context: RouteContext) {
  const { slug } = await context.params;
  const baseUrl = process.env.MOTORSIGNAL_API_BASE_URL ?? 'https://api.motorsignal.app';

  try {
    const response = await fetch(`${baseUrl}/api/v1/cms/documents/${encodeURIComponent(slug)}`, {
      method: 'GET',
      headers: {
        accept: 'application/json',
      },
      next: { revalidate: 60 },
    });

    if (response.status === 404) {
      return NextResponse.json({ detail: 'Document not found.' }, { status: 404 });
    }
    if (!response.ok) {
      return NextResponse.json(
        { detail: 'CMS content temporarily unavailable.' },
        { status: response.status >= 500 ? response.status : 503 }
      );
    }

    const data = await response.json();
    return NextResponse.json(data);
  } catch {
    return NextResponse.json(
      { detail: 'Unable to connect to CMS service.' },
      { status: 503 }
    );
  }
}