import test from 'node:test';
import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';

const source = readFileSync(new URL('../src/apps/trade-executor.mjs', import.meta.url), 'utf8');

test('trade executor dispatches each execute command once', () => {
  const calls = source.match(/await handleCommand\(event\);/g) || [];
  assert.equal(calls.length, 1);
});

test('own request preflight suppresses maker quote responses to avoid self-matching', () => {
  assert.match(source, /withMakerSuppressed/);
  assert.match(source, /own_request_preflight_in_progress/);
  assert.match(source, /avoid self-matching/);
});

test('trade executor fails closed on stale execute commands before relay submission', () => {
  assert.match(source, /classifyExecuteCommandExpiry/);
  assert.match(source, /stale_execute_command/);
  assert.match(source, /deadline elapsed before relay submission/);
});

test('trade executor exposes summarized durable command state', () => {
  assert.match(source, /stateStore\.getSummary\(\{ limit: 50 \}\)/);
  assert.doesNotMatch(source, /durable_state:\s*stateStore\.getState\(\)/);
});

test('trade executor records hot path timing in result payloads', () => {
  assert.match(source, /node:perf_hooks/);
  assert.match(source, /startExecutorTiming\(event\)/);
  assert.match(source, /executor_timing/);
  assert.match(source, /command_to_executor_ms/);
  assert.match(source, /current_salt_ms/);
  assert.match(source, /sign_ms/);
  assert.match(source, /relay_response_ms/);
  assert.match(source, /executor_total_ms/);
  assert.match(source, /withExecutorTiming\(\{[\s\S]*?result_code: 'submission_failed'/);
});

test('trade executor uses bounded verifier salt cache instead of per-command salt RPC', () => {
  assert.match(source, /createVerifierSaltCache/);
  assert.match(source, /verifierSaltCache\.start\(\)/);
  assert.match(source, /verifierSaltCache\.getCachedFreshSalt\(\)/);
  assert.match(source, /verifier_salt_unavailable/);
  assert.match(source, /fresh verifier salt unavailable; command was not signed or relayed/);
  assert.match(source, /current_salt_source/);
  assert.match(source, /current_salt_age_ms/);
  assert.match(source, /current_salt_unavailable_reason/);
  assert.match(source, /verifier_salt_cache: verifierSaltCache\.getState\(\)/);
  assert.match(source, /verifierSaltCache\.stop\(\)/);
  assert.doesNotMatch(source, /verifierSaltCache\.getFreshSalt\(\)/);
  assert.doesNotMatch(source, /await verifierClient\.currentSalt\(\);/);

  const expiryIndex = source.indexOf('const expiry = classifyExecuteCommandExpiry(event);');
  const saltLookupIndex = source.indexOf('verifierSaltCache.getCachedFreshSalt()');
  const saltUnavailableIndex = source.indexOf("result_code: 'verifier_salt_unavailable'");
  const signIndex = source.indexOf('buildQuoteResponseSubmission({');
  const relayIndex = source.indexOf("relayClient.request('quote_response'");
  assert.ok(expiryIndex > 0 && expiryIndex < saltLookupIndex);
  assert.ok(saltUnavailableIndex > 0 && saltUnavailableIndex < signIndex);
  assert.ok(saltUnavailableIndex < relayIndex);
});

test('trade executor exposes queue delay and salt rejection state', () => {
  assert.match(source, /createExecutorQueueDelayTracker/);
  assert.match(source, /recordExecutorQueueDelay\(timing, payload\)/);
  assert.match(source, /executor_queue_delay: executorQueueDelayTracker\.getState\(\)/);
  assert.match(source, /salt_unavailable_reject_count/);
  assert.match(source, /last_salt_unavailable_at/);
});