/** @vitest-environment jsdom */
import { beforeEach, describe, expect, it } from 'vitest';

import {
  normalizeProjectCreationDirectory,
  readProjectCreationDirectory,
  writeProjectCreationDirectory,
} from '../src/features/app-shell/model';

const STORAGE_KEY = 'genarrative-ai-game-creator.project-creation-directory.v1';

describe('项目创建目录偏好', () => {
  beforeEach(() => {
    window.localStorage.clear();
  });

  it('去掉首尾空白与多余分隔符，并保留盘根', () => {
    expect(normalizeProjectCreationDirectory('  ')).toBe('');
    expect(normalizeProjectCreationDirectory('  F:\\Projects\\游戏\\  ')).toBe(
      'F:\\Projects\\游戏',
    );
    expect(normalizeProjectCreationDirectory('F:/Projects/游戏/')).toBe(
      'F:/Projects/游戏',
    );
    expect(normalizeProjectCreationDirectory('C:\\')).toBe('C:\\');
    // 首尾空白按 trim 处理；目录中间的控制字符必须整条拒绝。
    expect(normalizeProjectCreationDirectory('F:\\游戏\n')).toBe('F:\\游戏');
    expect(normalizeProjectCreationDirectory('F:\\游\n戏')).toBe('');
  });

  it('保存选中的目录，并在恢复默认位置时清空', () => {
    expect(readProjectCreationDirectory()).toBe('');

    expect(writeProjectCreationDirectory('  F:\\Projects\\游戏  ')).toBe(
      'F:\\Projects\\游戏',
    );
    expect(readProjectCreationDirectory()).toBe('F:\\Projects\\游戏');

    expect(writeProjectCreationDirectory('   ')).toBe('');
    expect(readProjectCreationDirectory()).toBe('');
  });

  it('忽略存储里不可用的值，退回默认位置', () => {
    window.localStorage.setItem(STORAGE_KEY, JSON.stringify('relative/games'));
    expect(readProjectCreationDirectory()).toBe('');

    window.localStorage.setItem(STORAGE_KEY, JSON.stringify(42));
    expect(readProjectCreationDirectory()).toBe('');

    window.localStorage.setItem(STORAGE_KEY, '{not json');
    expect(readProjectCreationDirectory()).toBe('');
  });
});