import { test } from 'node:test';
import assert from 'node:assert/strict';
import { MatrixError } from 'matrix-js-sdk';
import { describeUploadError } from './uploadError';

const err = (status: number | undefined, body: { errcode?: string; error?: string }) =>
  new MatrixError(body, status, 'http://hs/_matrix/media/v3/upload?filename=x.png');

test('413 names the limit when known and never leaks the URL', () => {
  const e = err(413, { errcode: 'M_TOO_LARGE', error: 'nope' });
  assert.equal(
    describeUploadError(e, 50 * 1024 * 1024),
    'This file is larger than the server allows (limit 52.4 MB).',
  );
  assert.equal(describeUploadError(e), 'This file is larger than the server allows.');
  assert.ok(!describeUploadError(e).includes('http'));
});

test('429, 403, 5xx and transport failures each get their sentence', () => {
  assert.equal(
    describeUploadError(err(429, { errcode: 'M_LIMIT_EXCEEDED', error: 'Too Many Requests' })),
    'Slow down — try again in a moment.',
  );
  assert.equal(
    describeUploadError(err(403, { errcode: 'M_FORBIDDEN', error: 'Uploads disabled' })),
    'The server refused this upload: Uploads disabled',
  );
  assert.equal(
    describeUploadError(err(502, { errcode: 'M_UNKNOWN', error: 'Bad Gateway' })),
    "Couldn't reach the server. Check your connection and retry.",
  );
  assert.equal(
    describeUploadError(new MatrixError({ error: 'request failed' })),
    "Couldn't reach the server. Check your connection and retry.",
  );
});

test('a cancel and an unknown 4xx fall through to the server text', () => {
  assert.equal(
    describeUploadError(new MatrixError({ error: 'Upload cancelled' })),
    'Upload cancelled.',
  );
  assert.equal(
    describeUploadError(err(400, { errcode: 'M_BAD_JSON', error: 'Unsupported file type' })),
    'Unsupported file type',
  );
  assert.equal(describeUploadError(err(400, {})), 'Upload failed.');
});