import assert from 'node:assert/strict';
import { mkdtemp, readFile, rm } from 'node:fs/promises';
import { join } from 'node:path';
import { tmpdir } from 'node:os';
import test from 'node:test';
import { UploadStore } from '../src/upload-store.mjs';

test('stores uploads only in the bind directory and persists replay state', async (t) => {
  const root = await mkdtemp(join(tmpdir(), 'image-upload-store-'));
  t.after(() => rm(root, { recursive: true, force: true }));
  const config = { uploadRoot: join(root, 'uploads'), uploadStatePath: join(root, 'upload-state.json') };
  const body = Buffer.from('immutable image bytes');
  const filename = `${'a'.repeat(32)}.png`;
  const store = new UploadStore(config);
  await store.initialize();
  const first = await store.store({ requestKey: 'core2026:request-1', category: 'user-icons', client: 'core2026', filename, body });
  assert.deepEqual(first, { duplicate: false, path: `icons/users/core2026/${filename}` });
  assert.equal(await readFile(join(root, 'uploads', 'user-icons', 'core2026', filename), 'utf8'), 'immutable image bytes');

  const restarted = new UploadStore(config);
  await restarted.initialize();
  assert.deepEqual(
    await restarted.store({ requestKey: 'core2026:request-1', category: 'user-icons', client: 'core2026', filename, body }),
    { duplicate: true, path: `icons/users/core2026/${filename}` },
  );
  await assert.rejects(
    restarted.store({
      requestKey: 'core2026:request-1',
      category: 'user-icons',
      client: 'core2026',
      filename: `${'b'.repeat(32)}.png`,
      body,
    }),
    /already used/,
  );
  await assert.rejects(
    restarted.store({ requestKey: 'core2026:request-2', category: 'user-icons', client: '../escape', filename, body }),
    /Invalid upload path/,
  );
  const contentFilename = `${'c'.repeat(32)}.webp`;
  assert.deepEqual(
    await restarted.store({
      requestKey: 'core2026:content-1',
      category: 'content',
      client: 'core2026',
      filename: contentFilename,
      body: Buffer.from('content image'),
    }),
    { duplicate: false, path: `uploads/core2026/${contentFilename}` },
  );
});