/**
 * 35-stickies — 便笺 深层测试
 *
 * 使用 vitest 原汁原味的 vi.mock() 模式 mock store/WM。
 * 使用 @vue/test-utils mount() 渲染组件。
 * 统一在 afterEach 中恢复 fake timers。
 */
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest'
import { mount } from '@vue/test-utils'
import { nextTick } from 'vue'
import StickiesComponent from '../../src/apps/stickies/Stickies.vue'

// ---- mock 数据 ----
const mockNotes = [
  { id: 's1', text: '双击便笺即可编辑。\n通过菜单可以更换颜色。', color: 'yellow', x: null, y: null },
]

const { mockStoreSet, mockStoreGet } = vi.hoisted(() => ({
  mockStoreSet: vi.fn(),
  mockStoreGet: vi.fn((_key: string, fallback: any) => structuredClone(fallback)),
}))

vi.mock('../../src/composables/useStore', () => ({
  store: {
    PREFIX: 'macos-web:',
    get: mockStoreGet,
    set: mockStoreSet,
    remove: vi.fn(),
    clearAll: vi.fn(),
  },
}))

vi.mock('../../src/composables/useWM', () => ({
  wm: { close: vi.fn(), setTitle: vi.fn() },
}))

describe('35-stickies — 便笺', () => {
  let el: HTMLElement, body: HTMLElement

  beforeEach(() => {
    vi.clearAllMocks()
    localStorage.clear()

    el = document.createElement('div')
    el.className = 'window'
    document.body.appendChild(el)
    body = document.createElement('div')
    body.className = 'win-body'
    el.appendChild(body)

    // 默认返回预设便笺
    mockStoreGet.mockReturnValue(structuredClone(mockNotes))
  })

  afterEach(() => {
    el.remove()
    // 确保恢复真实 timers（已在 setup.ts 全局 afterEach 中处理，此处兜底）
    vi.useRealTimers()
  })

  function mountComponent() {
    return mount(StickiesComponent, {
      props: {
        win: { id: 'st1', appId: 'stickies', el, body, timers: [], data: { noteId: 's1' } },
      },
      attachTo: body,
    })
  }

  function editableDiv() {
    return body.querySelector('[contenteditable]') as HTMLElement
  }

  // ==================== 渲染 ====================
  describe('渲染', () => {
    it('contenteditable div 存在', () => {
      mountComponent()
      expect(editableDiv()).toBeTruthy()
    })

    it('有 no-chrome 类', () => {
      mountComponent()
      expect(body.querySelector('.no-chrome')).toBeTruthy()
    })

    it('显示预设文本', () => {
      mountComponent()
      expect(editableDiv().textContent).toContain('双击便笺')
    })

    it('setColor 函数存在且不抛错', () => {
      const wrapper = mountComponent()
      const appState = (wrapper.vm as any).$props.win.appState
      expect(typeof appState.setColor).toBe('function')
      expect(() => appState.setColor('yellow')).not.toThrow()
    })
  })

  // ==================== 编辑 ====================
  describe('编辑', () => {
    it('输入更新 DOM 文本', async () => {
      mountComponent()
      const div = editableDiv()
      div.textContent = '新内容'
      div.dispatchEvent(new Event('input', { bubbles: true }))
      await nextTick()
      expect(div.textContent).toContain('新内容')
    })

    it('输入后触发持久化 debounce', async () => {
      vi.useFakeTimers()
      mountComponent()
      const div = editableDiv()
      div.textContent = '持久化文本'
      div.dispatchEvent(new Event('input', { bubbles: true }))

      vi.advanceTimersByTime(500)

      expect(mockStoreSet).toHaveBeenCalled()
      const call = mockStoreSet.mock.calls.find((c: any[]) => c[0] === 'stickies')
      expect(call).toBeTruthy()
      expect(call[1][0].text).toBe('持久化文本')

      vi.useRealTimers()
    })
  })

  // ==================== 颜色 ====================
  describe('颜色', () => {
    function getAppState() {
      const wrapper = mountComponent()
      return (wrapper.vm as any).$props.win.appState
    }

    it('setColor 蓝色不抛错', () => {
      expect(() => getAppState().setColor('blue')).not.toThrow()
    })

    it('换色后 store 更新', () => {
      const appState = getAppState()
      appState.setColor('blue')
      expect(mockStoreSet).toHaveBeenCalled()
      const call = mockStoreSet.mock.calls.find((c: any[]) => c[0] === 'stickies')
      expect(call[1][0].color).toBe('blue')
    })

    it('全部 5 色可切换', () => {
      const appState = getAppState()
      for (const c of ['yellow', 'blue', 'green', 'pink', 'purple']) {
        expect(() => appState.setColor(c)).not.toThrow()
      }
    })
  })

  // ==================== 删除 ====================
  describe('删除', () => {
    it('removeSelf 函数存在', () => {
      mountComponent()
      const wrapper = mountComponent()
      const appState = (wrapper.vm as any).$props.win.appState
      expect(typeof appState.removeSelf).toBe('function')
    })

    it('removeSelf 从 store 移除', () => {
      const wrapper = mountComponent()
      const appState = (wrapper.vm as any).$props.win.appState
      appState.removeSelf()
      expect(mockStoreSet).toHaveBeenCalledWith('stickies', [])
    })
  })

  // ==================== appState ====================
  describe('appState', () => {
    it('暴露 note 对象', () => {
      mountComponent()
      const wrapper = mountComponent()
      const appState = (wrapper.vm as any).$props.win.appState
      expect(appState.note).toBeTruthy()
      expect(appState.note.id).toBe('s1')
    })

    it('暴露 setColor', () => {
      mountComponent()
      const wrapper = mountComponent()
      const appState = (wrapper.vm as any).$props.win.appState
      expect(typeof appState.setColor).toBe('function')
    })
  })

  // ==================== 卸载 ====================
  describe('卸载', () => {
    it('卸载后 DOM 为空', () => {
      const wrapper = mountComponent()
      wrapper.unmount()
      expect(body.children).toHaveLength(0)
    })
  })
})