import assert from 'node:assert/strict';
import test from 'node:test';

import config from '../src/config.ts';
import {
  createErrorResponse,
  generatePresignedUrls,
  isValidPath,
} from '../src/services/file.ts';

void test('isValidPath allows relative storage keys and rejects traversal or protocol inputs', () => {
  assert.equal(isValidPath('projects/demo/image.jpg'), true);
  assert.equal(isValidPath('nested/folder/video.mp4'), true);

  assert.equal(isValidPath('../secret.txt'), false);
  assert.equal(isValidPath('folder/../../secret.txt'), false);
  assert.equal(isValidPath('https://example.test/file.jpg'), false);
  assert.equal(isValidPath('s3://bucket/file.jpg'), false);
  assert.equal(isValidPath('folder//file.jpg'), false);
  assert.equal(isValidPath('folder/\0/file.jpg'), false);
  assert.equal(isValidPath('   '), false);
  assert.equal(isValidPath(null), false);
});

void test('createErrorResponse returns a stable structured error payload', () => {
  assert.deepEqual(
    createErrorResponse('Invalid file paths detected', 'INVALID_PATH', {
      invalidPaths: ['../secret.txt'],
    }),
    {
      message: 'Invalid file paths detected',
      code: 'INVALID_PATH',
      details: {
        invalidPaths: ['../secret.txt'],
      },
    },
  );
});

void test('generatePresignedUrls returns backend download URLs for local storage provider', async () => {
  const previousProvider = config.fileStorage.provider;
  config.fileStorage.provider = 'local';
  try {
    assert.deepEqual(
      await generatePresignedUrls(['projects/demo/image 1.jpg']),
      {
        'projects/demo/image 1.jpg':
          '/api/file/download?privateUrl=projects%2Fdemo%2Fimage%201.jpg',
      },
    );
  } finally {
    config.fileStorage.provider = previousProvider;
  }
});