// tests/main/services/keybinding-altgr-redteam-r3-8.test.ts
// 레드팀 r3-8 회귀 테스트 (데스크톱 어댑터) — AltGr 배열.
//
// Windows 는 AltGr 를 "가짜 LCtrl 눌림 → RAlt 눌림"(같은 time)으로 보내고, libuiohook 은 그
// RAlt 눌림에 ctrlKey 를 싣는다. 어댑터가 그대로 옮기면 '@'(AltGr+Q) 마다 'command' 가 발동하고
// 기본 dictation(RightAlt 단독)은 발동하지 않는다.

import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { uIOhook, UiohookKey } from 'uiohook-napi'
import type { UiohookKeyboardEvent } from 'uiohook-napi'
import { ALTGR_CHORD_GRACE_MS } from '@d3ro/core/keybinding-runtime'
import { initInMemoryConfig, resetInMemoryConfig } from '../../../src/main/services/ConfigService'
import { getKeyBindingService } from '../../../src/main/services/KeyBindingService'
import type { KeyBindingTriggerPayload } from '../../../src/main/services/KeyBindingService'

const originalPlatform = Object.getOwnPropertyDescriptor(process, 'platform')

function setPlatform(platform: NodeJS.Platform): void {
  Object.defineProperty(process, 'platform', { value: platform, configurable: true })
}

function restorePlatform(): void {
  if (originalPlatform) Object.defineProperty(process, 'platform', originalPlatform)
}

type KeyHandler = (e: UiohookKeyboardEvent) => void

function handlerOf(event: 'keydown' | 'keyup'): KeyHandler {
  const calls = vi.mocked(uIOhook.on).mock.calls.filter((c) => c[0] === event)
  const last = calls[calls.length - 1]
  if (!last) throw new Error(`no ${event} handler`)
  return last[1] as KeyHandler
}

interface Mods {
  ctrl?: boolean
  alt?: boolean
}

function keyEvent(keycode: number, time: number, mods: Mods = {}): UiohookKeyboardEvent {
  return {
    keycode,
    time,
    ctrlKey: mods.ctrl ?? false,
    altKey: mods.alt ?? false,
    shiftKey: false,
    metaKey: false
  } as unknown as UiohookKeyboardEvent
}

describe('KeyBindingService — AltGr 배열 (Windows)', () => {
  const events: string[] = []
  const listener = (p: KeyBindingTriggerPayload): void => {
    events.push(`${p.actionId}:${p.type}`)
  }

  beforeEach(() => {
    vi.useFakeTimers()
    setPlatform('win32')
    initInMemoryConfig()
    vi.mocked(uIOhook.on).mockClear()
    events.length = 0
    const service = getKeyBindingService()
    service.loadFromConfig()
    service.start()
    service.on('triggered', listener)
  })

  afterEach(() => {
    const service = getKeyBindingService()
    service.off('triggered', listener)
    service.stop()
    resetInMemoryConfig()
    restorePlatform()
    vi.useRealTimers()
  })

  function altGrDown(time: number): void {
    handlerOf('keydown')(keyEvent(UiohookKey.Ctrl, time, { ctrl: true }))
    handlerOf('keydown')(keyEvent(UiohookKey.AltRight, time, { ctrl: true, alt: true }))
  }

  function altGrUp(): void {
    handlerOf('keyup')(keyEvent(UiohookKey.Ctrl, 0, { alt: true }))
    handlerOf('keyup')(keyEvent(UiohookKey.AltRight, 0))
  }

  it("AltGr+Q('@') 는 어떤 트리거도 내보내지 않는다", () => {
    altGrDown(5_000)
    handlerOf('keydown')(keyEvent(UiohookKey.Q, 5_040, { ctrl: true, alt: true }))
    handlerOf('keyup')(keyEvent(UiohookKey.Q, 5_080, { ctrl: true, alt: true }))
    altGrUp()
    vi.advanceTimersByTime(1_000)
    expect(events).toEqual([])
  })

  it('AltGr 를 누르고 있으면 기본 dictation 이 발동한다 (command 가 아니다)', () => {
    altGrDown(6_000)
    vi.advanceTimersByTime(ALTGR_CHORD_GRACE_MS)
    expect(events).toEqual(['dictation:pressed'])
    altGrUp()
    expect(events).toEqual(['dictation:pressed', 'dictation:released'])
  })
})