/**
 * tests/helpers.ts — vitest 测试辅助函数
 *
 * 提供：
 * - setupDOM()      设置完整 DOM 结构
 * - createMockWin() 创建 Vue 组件的 win prop 对象
 * - tick() / waitFor() 时间工具
 * - 兼容旧 API（getWM/getFS/getApps/getSys/getNotify/openApp/closeActiveWindow/等）
 */
import { setupTestDOM, createMockWin as _createMockWin } from './mocks'

// ---- 重新导出 mocks 中的函数 ----
export { createMockFS, createMockWM, createMockSys, createMockNotify, createMockStore } from './mocks'
export type { MockWin } from './mocks'

// ============================================================
// DOM 设置（兼容旧 API）
// ============================================================
export const setupDOM = setupTestDOM

// ============================================================
// Mock Window 工厂（兼容旧 API）
// ============================================================
export function createMockWin(opts?: { id?: string; appId?: string; data?: any }) {
  return _createMockWin(opts)
}

// ============================================================
// 时间工具
// ============================================================
/** 模拟时间流逝（真实 setTimeout） */
export function tick(ms: number): Promise<void> {
  return new Promise(r => setTimeout(r, ms))
}

/** 等待元素可见 */
export async function waitFor(selector: string, timeout = 5000): Promise<HTMLElement> {
  const start = Date.now()
  while (Date.now() - start < timeout) {
    const el = document.querySelector(selector) as HTMLElement
    if (el && !el.classList.contains('hidden')) return el
    await tick(50)
  }
  throw new Error(`Timeout waiting for: ${selector}`)
}

// ============================================================
// 兼容旧 API（window 全局对象访问器）
// ============================================================
export function getWM(): any { return (window as any).WM }
export function getFS(): any { return (window as any).FS }
export function getApps(): any { return (window as any).Apps }
export function getSys(): any { return (window as any).Sys }
export function getNotify(): any { return (window as any).Notify }

// ============================================================
// 兼容旧 API（应用操作）
// ============================================================
export async function openApp(appId: string, args?: any) {
  const Apps = getApps(); const WM = getWM()
  Apps.open(appId, args); await tick(200)
  return WM.windows.length
}

export async function closeActiveWindow() {
  const WM = getWM(); const win = WM.activeWin
  if (win) await WM.close(win); await tick(200)
}

export function winCount(): number { return getWM().windows.length }
export function winTitles(): string[] { return getWM().windows.map((w: any) => w.appId + ':' + w.title) }

export async function unlockSystem() {
  const Sys = getSys(); Sys.unlock(); await tick(500)
}

// ============================================================
// 启动序列（用于 Launchpad 等需要全系统初始化的测试）
// ============================================================
export async function bootSystem() {
  setupDOM()
  const { initSystem } = await import('../src/system')
  initSystem()
  const { Sys } = await import('../src/composables/useSys')
  Sys.boot()
  await tick(3100)
}