/**
 * Frontend tests for Upload & Drag-and-Drop modules (#89).
 */

import { strict as assert } from "node:assert";
import { JSDOM } from "jsdom";

// JSDOM bootstrap
const dom = new JSDOM(`<!DOCTYPE html><html><body><div id="vault-tree"></div></body></html>`, {
  url: "http://localhost:2020/",
});
const w = dom.window;
globalThis.window = w;
globalThis.document = w.document;
globalThis.File = w.File;
globalThis.FileReader = w.FileReader;
Object.defineProperty(globalThis, "navigator", {
  value: w.navigator,
  configurable: true,
  writable: true,
});

const { readDataTransferEntries } = await import("../../frontend/js/upload.js");

async function runTests() {
  console.log("Testing readDataTransferEntries empty input...");
  const resNull = await readDataTransferEntries(null);
  assert.deepEqual(resNull, []);

  const resEmpty = await readDataTransferEntries([]);
  assert.deepEqual(resEmpty, []);

  console.log("Testing readDataTransferEntries plain files...");
  const fakeFile1 = { name: "note1.md", webkitRelativePath: "folder/note1.md" };
  const fakeFile2 = { name: "logo.png", webkitRelativePath: "" };

  const fakeItems = [
    { getAsFile: () => fakeFile1 },
    { getAsFile: () => fakeFile2 },
  ];

  const results = await readDataTransferEntries(fakeItems);
  assert.equal(results.length, 2);
  assert.equal(results[0].path, "folder/note1.md");
  assert.equal(results[0].isDir, false);
  assert.equal(results[1].path, "logo.png");
  assert.equal(results[1].isDir, false);

  console.log("✅ All upload tests passed successfully!");
}

runTests().catch((err) => {
  console.error("❌ Test failed:", err);
  process.exit(1);
});