import test from 'node:test';
import assert from 'node:assert/strict';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const guard = require('../chrome-extension/ltjt-order-assistant/execution-guard.js');

test('a new ERP execution is accepted exactly once', () => {
  assert.deepEqual(guard.acceptanceDecision(null, 'execution-1'), {
    accepted: true,
    status: 'accepted',
    reason: ''
  });
  const existing = { execution_id: 'execution-1', state: 'running' };
  const replay = guard.acceptanceDecision(existing, 'execution-1');
  assert.equal(replay.accepted, false);
  assert.equal(replay.status, 'already_started');
});

test('a different execution id for the same task is blocked', () => {
  const result = guard.acceptanceDecision({ execution_id: 'execution-1', state: 'completed' }, 'execution-2');
  assert.equal(result.accepted, false);
  assert.equal(result.status, 'duplicate_blocked');
});

test('failures after the write boundary become uncertain', () => {
  assert.equal(guard.failureState({ state: 'running' }), 'blocked');
  assert.equal(guard.failureState({ state: 'write_started' }), 'uncertain');
  assert.equal(guard.failureState({ state: 'submitted' }), 'uncertain');
  assert.equal(guard.rootTaskId('TASK-1#2'), 'TASK-1');
});