import { describe, it, afterEach, mock } from 'node:test';
import assert from 'node:assert/strict';
import { section, step, line, input, output, result, ok, warn, error } from '../log.js';

afterEach(() => mock.restoreAll());

describe('log helpers', () => {
  it('formats section and step messages', () => {
    const calls = [];
    mock.method(console, 'log', (...args) => {
      calls.push(args.join(' '));
    });

    section('Pipeline');
    step('Step1', 'Start');

    assert.deepEqual(calls, [
      '\n=== Pipeline ===',
      '\n[Step1] Start',
    ]);
  });

  it('formats line and ok messages with console.log', () => {
    const calls = [];
    mock.method(console, 'log', (...args) => {
      calls.push(args.join(' '));
    });

    line('hello');
    ok('done');

    assert.deepEqual(calls, [
      '  - hello',
      '  ✓ done',
    ]);
  });

  it('formats input/output and pass/fail result messages', () => {
    const calls = [];
    mock.method(console, 'log', (...args) => {
      calls.push(args.join(' '));
    });

    input('5 筆');
    output('3 筆');
    result(true, '通過');
    result(false, '未通過');

    assert.deepEqual(calls, [
      '  ← 輸入：5 筆',
      '  → 輸出：3 筆',
      '  ✅ 成功：通過',
      '  ❌ 失敗：未通過',
    ]);
  });

  it('formats warn messages with console.warn', () => {
    const calls = [];
    mock.method(console, 'warn', (...args) => {
      calls.push(args.join(' '));
    });

    warn('careful');

    assert.deepEqual(calls, ['  ! careful']);
  });

  it('formats error messages with console.error', () => {
    const calls = [];
    mock.method(console, 'error', (...args) => {
      calls.push(args.join(' '));
    });

    error('boom');

    assert.deepEqual(calls, ['  x boom']);
  });
});