import { createImageFromFile } from "./createImageFromFile";

type BulkResult =
  | { ok: true; artworkId: string; name: string }
  | { ok: false; name: string; error: string };

export async function createImagesBulk(formData: FormData): Promise<BulkResult[]> {
  const entries = formData.getAll("file");
  const files = entries.filter((x): x is File => x instanceof File);

  if (files.length === 0) {
    throw new Error("No files received. Ensure you send FormData with key 'file'.");
  }

  const results: BulkResult[] = [];

  for (const f of files) {
    try {
      if (!f.type.startsWith("image/")) {
        results.push({ ok: false, name: f.name, error: "Unsupported file type" });
        continue;
      }

      const artwork = await createImageFromFile(f, { colorMode: "defer" });
      if (!artwork) {
        results.push({ ok: false, name: f.name, error: "Upload failed" });
        continue;
      }

      results.push({ ok: true, artworkId: artwork.id, name: f.name });
    } catch (err) {
      results.push({
        ok: false,
        name: f.name,
        error: err instanceof Error ? err.message : "Upload failed",
      });
    }
  }

  return results;
}