// tests/main/services/SoundEffectService-redteam-r1-15.test.ts
// 회귀: Settings에서 효과음을 끄면(config.set → configSet) 재시작 없이 즉시 반영되어야 한다.

import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest'
import fs from 'fs'
import os from 'os'
import path from 'path'

const SOUND_DIR = path.join(os.tmpdir(), 'd3ro-vitest-sounds-r1-15')

const { execMock, execFileMock } = vi.hoisted(() => ({
  execMock: vi.fn(),
  execFileMock: vi.fn()
}))

vi.mock('child_process', async (importOriginal) => {
  const actual = await importOriginal<typeof import('child_process')>()
  return { ...actual, exec: execMock, execFile: execFileMock }
})

vi.mock('../../../src/main/utils/paths', () => ({
  getSoundPath: (filename: string) => path.join(SOUND_DIR, filename)
}))

import {
  configSet,
  initInMemoryConfig,
  resetInMemoryConfig
} from '../../../src/main/services/ConfigService'
import {
  SoundEffectService,
  getSoundEffectService,
  type SoundEffectDeps
} from '../../../src/main/services/SoundEffectService'

function playCount(): number {
  return execMock.mock.calls.length + execFileMock.mock.calls.length
}

beforeAll(() => {
  fs.mkdirSync(SOUND_DIR, { recursive: true })
  for (const name of ['recording-start.wav', 'recording-stop.wav', 'error.wav']) {
    fs.writeFileSync(path.join(SOUND_DIR, name), Buffer.from('RIFF0000WAVE'))
  }
})

describe('SoundEffectService — soundEnabled 변경 즉시 반영 (singleton + ConfigService)', () => {
  beforeEach(() => {
    execMock.mockReset()
    execFileMock.mockReset()
    initInMemoryConfig({ soundEnabled: true })
  })

  afterEach(() => {
    getSoundEffectService().dispose()
    resetInMemoryConfig()
  })

  it('Settings가 configSet으로 soundEnabled=false를 쓰면 다음 play()는 재생하지 않는다', () => {
    const service = getSoundEffectService()
    service.initialize()
    expect(service.isEnabled()).toBe(true)

    // SettingsModal → config:set 핸들러 → configSet 경로 (setEnabled를 거치지 않음)
    configSet('soundEnabled', false)
    expect(service.isEnabled()).toBe(false)
    service.play('recording-start')
    service.play('error')
    expect(playCount()).toBe(0)

    // 다시 켜면 곧바로 재생된다 (동기화로 들어온 값도 같은 경로)
    configSet('soundEnabled', true)
    expect(service.isEnabled()).toBe(true)
    service.play('recording-stop')
    expect(playCount()).toBe(1)
  })

  it('dispose 후에는 config 변경을 더 이상 구독하지 않는다', () => {
    const service = getSoundEffectService()
    service.initialize()
    service.dispose()

    configSet('soundEnabled', false)
    expect(service.isEnabled()).toBe(true)
  })
})

describe('SoundEffectService — 포트 주입 단위 테스트', () => {
  function createDeps(initial: boolean): {
    deps: SoundEffectDeps
    emit: (enabled: boolean) => void
    listenerCount: () => number
    played: string[]
    written: boolean[]
  } {
    const listeners = new Set<(enabled: boolean) => void>()
    const played: string[] = []
    const written: boolean[] = []
    let value = initial
    const deps: SoundEffectDeps = {
      settings: {
        read: () => value,
        write: (enabled) => {
          value = enabled
          written.push(enabled)
          listeners.forEach((l) => l(enabled))
        },
        subscribe: (listener) => {
          listeners.add(listener)
          return () => listeners.delete(listener)
        }
      },
      output: {
        resolvePath: (filename) => `/sounds/${filename}`,
        load: (filePath) => (filePath.endsWith('error.wav') ? null : Buffer.from('wav')),
        play: (filePath) => played.push(filePath)
      }
    }
    return {
      deps,
      emit: (enabled) => {
        value = enabled
        listeners.forEach((l) => l(enabled))
      },
      listenerCount: () => listeners.size,
      played,
      written
    }
  }

  it('초기값을 설정 포트에서 읽고, 외부 변경을 따라간다', () => {
    const h = createDeps(false)
    const service = new SoundEffectService(h.deps)
    service.initialize()

    service.play('recording-start')
    expect(h.played).toEqual([])

    h.emit(true)
    service.play('recording-start')
    service.play('chime')
    expect(h.played).toEqual(['/sounds/recording-start.wav', '/sounds/recording-stop.wav'])
  })

  it('로드되지 않은 효과음은 건너뛴다', () => {
    const h = createDeps(true)
    const service = new SoundEffectService(h.deps)
    service.initialize()

    service.play('error')
    service.play('cancel')
    expect(h.played).toEqual([])
  })

  it('setEnabled는 설정 포트에 기록하고 상태를 갱신한다', () => {
    const h = createDeps(true)
    const service = new SoundEffectService(h.deps)
    service.initialize()

    service.setEnabled(false)
    expect(h.written).toEqual([false])
    expect(service.isEnabled()).toBe(false)
    service.play('recording-start')
    expect(h.played).toEqual([])
  })

  it('initialize를 두 번 호출해도 구독은 하나만 유지되고 dispose가 해제한다', () => {
    const h = createDeps(true)
    const service = new SoundEffectService(h.deps)
    service.initialize()
    service.initialize()
    expect(h.listenerCount()).toBe(1)

    service.dispose()
    expect(h.listenerCount()).toBe(0)
  })
})