/**
 * 16-assets: 资源完整性——静态扫描 + 运行时路径校验
 * 原测试: Node fs 扫描 → 保留同样的扫描逻辑
 */
import { describe, it, expect } from 'vitest'
import { existsSync, readFileSync, readdirSync } from 'fs'
import { join, resolve } from 'path'
import { fileURLToPath } from 'url'
import { WALLPAPERS } from '../../src/composables/useSettings'

const __filename = fileURLToPath(import.meta.url)
const __dirname = join(__filename, '..')
const ROOT = resolve(__dirname, '../..')
const PUBLIC = join(ROOT, 'public')

describe('16-assets — 资源完整性', () => {
  // ===== 静态扫描：收集所有 assets/ 引用 =====
  function collectAssetRefs(): string[] {
    const refs = new Set<string>()
    const srcDir = join(ROOT, 'src')
    const files = walkFiles(srcDir).concat([join(ROOT, 'index.html')])

    for (const file of files) {
      try {
        const content = readFileSync(file, 'utf-8')
        for (const m of content.matchAll(/(?:src|href|icon)=["']\/?(assets\/[^"']+?)["']/g)) {
          refs.add(m[1])
        }
      } catch { /* ignore */ }
    }
    return [...refs].sort()
  }

  function walkFiles(dir: string): string[] {
    const result: string[] = []
    try {
      for (const e of readdirSync(dir, { withFileTypes: true })) {
        const full = join(dir, e.name)
        if (e.isDirectory() && e.name !== 'node_modules') result.push(...walkFiles(full))
        else if (/\.(ts|vue|css|html|js)$/.test(e.name)) result.push(full)
      }
    } catch { /* ignore */ }
    return result
  }

  // ===== WALLPAPERS =====
  it('所有 WALLPAPERS src 指向的文件存在', () => {
    const missing: string[] = []
    for (const w of WALLPAPERS) {
      const p = join(PUBLIC, w.src)
      if (!existsSync(p)) missing.push(w.src)
    }
    expect(missing).toEqual([])
  })

  it('bigsur 暗色变体文件存在', () => {
    const bigsur = WALLPAPERS.find(w => w.id === 'bigsur')!
    const p = join(PUBLIC, bigsur.dark!)
    expect(existsSync(p)).toBe(true)
  })

  // ===== 关键图标 =====
  const requiredIcons = [
    'finder.png', 'folder.svg', 'txt.svg', 'trash.svg', 'trash-full.svg',
    'settings.png', 'safari.png', 'calendar.png', 'calculator.png',
    'terminal.png', 'music.png', 'photos.png', 'notes.png', 'appstore.png',
    'launchpad.png', 'messages.png', 'facetime.png', 'maps.png', 'mail.png',
    'preview.svg', 'quicktime.svg', 'activitymonitor.svg', 'textedit.svg',
  ]

  it('关键应用图标存在', () => {
    const missing: string[] = []
    for (const icon of requiredIcons) {
      const p = join(PUBLIC, 'assets/icons', icon)
      if (!existsSync(p)) missing.push(icon)
    }
    expect(missing).toEqual([])
  })

  // ===== 音频和视频目录 =====
  it('assets/audio 目录存在且含 mp3 文件', () => {
    const audioDir = join(PUBLIC, 'assets/audio')
    expect(existsSync(audioDir)).toBe(true)
    const files = readdirSync(audioDir).filter((f: string) => f.endsWith('.mp3'))
    expect(files.length).toBeGreaterThanOrEqual(6)
  })

  it('assets/video 目录存在且含 mp4/webm 文件', () => {
    const videoDir = join(PUBLIC, 'assets/video')
    expect(existsSync(videoDir)).toBe(true)
    const files = readdirSync(videoDir)
    expect(files.length).toBeGreaterThanOrEqual(6)
  })

  // ===== 静态引用完整性 =====
  it('代码中引用的 assets 路径指向存在的文件', () => {
    const refs = collectAssetRefs()
    const missing: string[] = []
    for (const ref of refs) {
      // 跳过模板变量（如 ${src}）
      if (ref.includes('${') || ref.includes('{')) continue
      const p = join(PUBLIC, ref)
      if (!existsSync(p)) missing.push(ref)
    }
    expect(missing).toEqual([])
  })

  // ===== Store 图标 =====
  const storeIcons = ['bear.png', 'typora.png', 'vscode.png', 'keynote.png', 'podcasts.png', 'news.png', 'github.png', 'tv.png']
  it('Store 应用图标存在', () => {
    const missing: string[] = []
    for (const icon of storeIcons) {
      if (!existsSync(join(PUBLIC, 'assets/icons', icon))) missing.push(icon)
    }
    expect(missing).toEqual([])
  })

  // ===== 其他资源 =====
  it('avatar.svg 存在', () => {
    expect(existsSync(join(PUBLIC, 'assets/icons/avatar.svg'))).toBe(true)
  })

  it('pdf.svg 存在', () => {
    expect(existsSync(join(PUBLIC, 'assets/icons/pdf.svg'))).toBe(true)
  })
})