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

export const maxDuration = 120;

/** POST /api/storage-test — upload a file to Hetzner and return a playback URL */
export async function POST(req: NextRequest) {
  const session = await auth();
  if (!session?.user) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  const formData = await req.formData();
  const file = formData.get("file") as File | null;
  if (!file) {
    return NextResponse.json({ error: "No file provided" }, { status: 400 });
  }

  const buffer = Buffer.from(await file.arrayBuffer());
  const uploadStart = Date.now();
  const { key } = await uploadToHetzner(buffer, file.name, file.type, "storage-test");
  const uploadMs = Date.now() - uploadStart;

  const streamUrl = await generateHetznerStreamUrl(key, 3600);

  return NextResponse.json({
    key,
    streamUrl,
    filename: file.name,
    fileSize: file.size,
    uploadMs,
    expiresAt: new Date(Date.now() + 3600 * 1000).toISOString(),
  });
}

/** DELETE /api/storage-test?key=storage-test/... — clean up a test file */
export async function DELETE(req: NextRequest) {
  const session = await auth();
  if (!session?.user) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  const { searchParams } = new URL(req.url);
  const key = searchParams.get("key");

  // Restrict deletions to the storage-test/ folder only
  if (!key || !key.startsWith("storage-test/")) {
    return NextResponse.json({ error: "Invalid key — only storage-test/ files can be deleted here" }, { status: 400 });
  }

  await deleteFromHetzner(key);
  return NextResponse.json({ success: true });
}