/**
 * 07-notify — 通知系统
 *
 * 使用 vitest 原汁原味的 vi.fn() + mock 依赖注入模式。
 * 不依赖真实 DOM 渲染，仅测试 Notify 核心逻辑。
 */
import { describe, it, expect, beforeEach, beforeAll, vi } from 'vitest'
import { Notify, setSysForNotify } from '../../src/composables/useNotify'

// ---- Mock Sys 依赖 ----
function createMockSys(overrides: Record<string, any> = {}) {
  return {
    settings: {
      notificationsEnabled: true,
      notifAllow: {} as Record<string, boolean>,
      focus: false,
      ...overrides,
    },
    renderDock: vi.fn(),
  }
}

let mockSys = createMockSys()
setSysForNotify(mockSys)

describe('07-notify — 通知系统', () => {
  beforeAll(() => {
    document.body.innerHTML = `
      <div id="notification-center" class="hidden"></div>
      <div id="banner-container"></div>
      <nav id="dock"></nav>
    `
  })

  beforeEach(() => {
    Notify.list = []
    mockSys = createMockSys()
    setSysForNotify(mockSys)
  })

  // ==================== 基本发送 ====================
  describe('发送通知', () => {
    it('初始列表为空', () => {
      expect(Notify.list).toHaveLength(0)
    })

    it('send 添加通知到列表', () => {
      const n = Notify.send({ appId: 'finder', title: '测试', body: '内容', silent: true })
      expect(n).not.toBeNull()
      expect(Notify.list).toHaveLength(1)
      expect(n!.appId).toBe('finder')
      expect(n!.title).toBe('测试')
    })

    it('返回的通知包含 id 和 ts', () => {
      const n = Notify.send({ appId: 'f', title: 'T', body: 'B', silent: true })
      expect(n!.id).toBeTruthy()
      expect(n!.ts).toBeGreaterThan(0)
    })
  })

  // ==================== 开关控制 ====================
  describe('开关控制', () => {
    it('总开关关闭时 send 返回 null', () => {
      mockSys.settings.notificationsEnabled = false
      expect(Notify.send({ appId: 'f', title: 'T', body: 'B', silent: true })).toBeNull()
    })

    it('per-app 关闭时 send 返回 null', () => {
      mockSys.settings.notifAllow['finder'] = false
      expect(Notify.send({ appId: 'finder', title: 'T', body: 'B', silent: true })).toBeNull()
    })

    it('allowed() 正确判断', () => {
      expect(Notify.allowed('clock')).toBe(true)

      mockSys.settings.notifAllow['clock'] = false
      expect(Notify.allowed('clock')).toBe(false)

      mockSys.settings.notifAllow['clock'] = true
      mockSys.settings.notificationsEnabled = false
      expect(Notify.allowed('clock')).toBe(false)
    })
  })

  // ==================== 已读/未读 ====================
  describe('已读/未读', () => {
    it('新通知默认未读', () => {
      const n = Notify.send({ appId: 'f', title: 'T', body: 'B', silent: true })
      expect(n!.read).toBe(false)
    })

    it('markRead 标记已读', () => {
      const n = Notify.send({ appId: 'f', title: 'T', body: 'B', silent: true })
      Notify.markRead(n!.id)
      expect(n!.read).toBe(true)
    })

    it('badgeCount 统计未读数', () => {
      Notify.send({ appId: 'clock', title: 'A', body: '1', silent: true })
      Notify.send({ appId: 'clock', title: 'B', body: '2', silent: true })
      expect(Notify.badgeCount('clock')).toBe(2)
    })

    it('markRead 减少未读计数', () => {
      const n = Notify.send({ appId: 'clock', title: 'T', body: 'B', silent: true })
      expect(Notify.badgeCount('clock')).toBe(1)
      Notify.markRead(n!.id)
      expect(Notify.badgeCount('clock')).toBe(0)
    })
  })

  // ==================== 专注模式 ====================
  describe('专注模式', () => {
    it('突破型通知在专注模式下仍发送', () => {
      mockSys.settings.focus = true
      const n = Notify.send({ appId: 'clock', title: '计时器', body: '时间到！', breakthrough: true, silent: true })
      expect(n).not.toBeNull()
    })

    it('非突破型通知在专注模式下仍记录但不弹横幅', () => {
      mockSys.settings.focus = true
      const n = Notify.send({ appId: 'clock', title: '普通', body: '', silent: true })
      expect(n).not.toBeNull()
      expect(Notify.list).toHaveLength(1)
    })
  })

  // ==================== 清理 ====================
  describe('清理', () => {
    it('clearAll 清空所有通知', () => {
      Notify.send({ appId: 'f', title: 'T', body: 'B', silent: true })
      expect(Notify.list).toHaveLength(1)
      Notify.clearAll()
      expect(Notify.list).toHaveLength(0)
    })
  })
})