import { NextRequest, NextResponse } from "next/server";
import { auth } from "@/auth";
import { uploadFile } from "@/lib/storage";

export const config = { api: { bodyParser: false } };

// Max 2 GB
export const maxDuration = 60;

export async function POST(req: NextRequest) {
  const session = await auth();
  if (!session?.user) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  try {
    const formData = await req.formData();
    const file = formData.get("file") as File | null;

    if (!file) {
      return NextResponse.json({ error: "No file provided" }, { status: 400 });
    }

    if (!file.type.match(/video\//)) {
      return NextResponse.json({ error: "Only video files are accepted" }, { status: 400 });
    }

    if (file.size > 2 * 1024 * 1024 * 1024) {
      return NextResponse.json({ error: "File too large (max 2 GB)" }, { status: 413 });
    }

    const buffer = Buffer.from(await file.arrayBuffer());
    const result = await uploadFile(buffer, file.name, file.type, "videos");

    return NextResponse.json({ url: result.url, key: result.key });
  } catch (err) {
    console.error("[local-upload]", err);
    return NextResponse.json({ error: "Upload failed" }, { status: 500 });
  }
}