import { readFileSync } from "node:fs";

const source = readFileSync(new URL("../src/features/files/FilesPage.tsx", import.meta.url), "utf8");
const normalized = source.replace(/\s+/g, " ");

function assertIncludes(fragment, message) {
  if (!normalized.includes(fragment.replace(/\s+/g, " "))) throw new Error(message);
}

assertIncludes(
  "const target = options.target ?? currentActionTarget();",
  "uploads must prefer the explicit target supplied by the initiating interaction"
);
assertIncludes(
  "const targetSpace = target ? findSpace(target.spaceId) : null;",
  "the upload owner must be resolved from the selected target"
);
assertIncludes(
  "owner_type: targetSpace.owner_type, owner_id: targetSpace.owner_id, path: target.folderPath,",
  "the upload request must use the selected target owner and folder"
);
assertIncludes(
  "async function uploadExternalFilesToTarget(fileList: FileList | File[], target: FileActionTarget) { await handleFilesUpload(fileList, { target }); }",
  "external drops must pass their concrete target without asynchronous dialog-state mutation"
);
assertIncludes(
  "await uploadExternalFilesToTarget(event.dataTransfer.files, target);",
  "drop handling must forward the target on which the files were dropped"
);
assertIncludes(
  "onFiles={(files) => handleFilesUpload(files, { target: activeDialogTarget || undefined })}",
  "the dialog picker/drop zone must snapshot its selected target for upload"
);

console.log("Files upload target routing structure is intact.");