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

import { createExecutorQueueDelayTracker } from '../src/core/executor-queue-delay.mjs';

test('executor queue delay tracker records recent percentiles and warning state', () => {
  let nowMs = Date.parse('2026-06-12T10:00:00.000Z');
  const tracker = createExecutorQueueDelayTracker({
    sampleLimit: 5,
    warningMs: 1_000,
    criticalMs: 5_000,
    now: () => nowMs,
  });

  for (const value of [10, 25, 100, 1_250, 7_500]) {
    tracker.record({
      commandToExecutorMs: value,
      commandId: `cmd-${value}`,
      quoteId: `quote-${value}`,
      pair: 'nbtc->eure',
    });
    nowMs += 1_000;
  }

  const state = tracker.getState();
  assert.equal(state.status, 'critical');
  assert.equal(state.warning, true);
  assert.equal(state.critical, true);
  assert.equal(state.sample_count, 5);
  assert.equal(state.latest_ms, 7_500);
  assert.equal(state.max_ms, 7_500);
  assert.equal(state.p50_ms, 100);
  assert.equal(state.p90_ms, 7_500);
  assert.equal(state.p99_ms, 7_500);
  assert.match(state.warning_reason, /command_to_executor_ms/);
});