import assert from 'node:assert/strict';
import test from 'node:test';
import { embedQuery, embedText } from './embed-memory-v2-local-hash.mjs';

test('embedText returns deterministic normalized vectors', () => {
  const first = embedText('memory chain local smoke', { dimensions: 8 });
  const second = embedText('memory chain local smoke', { dimensions: 8 });
  const norm = Math.sqrt(first.reduce((sum, value) => sum + value * value, 0));

  assert.deepEqual(first, second);
  assert.equal(first.length, 8);
  assert.ok(Math.abs(norm - 1) < 0.000001);
});

test('embedQuery accepts dimensions from runtime input', async () => {
  const vector = await embedQuery('pgvector canary', { dimensions: 3 });

  assert.equal(vector.length, 3);
  assert.equal(vector.every((item) => Number.isFinite(item)), true);
});

test('embedText validates dimensions', () => {
  assert.throws(
    () => embedText('bad', { dimensions: 0 }),
    /Invalid MEMORY_V2_LOCAL_EMBEDDING_DIMENSIONS/,
  );
});