// src/main/ipc/system-handlers.ts

import { ipcMain, app, systemPreferences } from 'electron'
import { IPC_CHANNELS } from '@d3ro/core/ipc-channels'
import { ipcSuccess } from '@d3ro/core/errors'
import type { PermissionStatus, PlaySoundParams, SetSoundEnabledParams } from '@d3ro/core/types'
import { getSoundEffectService } from '../services/SoundEffectService'

export function registerSystemHandlers(): void {
  ipcMain.handle(IPC_CHANNELS.SYSTEM.GET_PLATFORM, async () => {
    return ipcSuccess(process.platform)
  })

  ipcMain.handle(IPC_CHANNELS.SYSTEM.GET_VERSION, async () => {
    return ipcSuccess(app.getVersion())
  })

  ipcMain.handle(IPC_CHANNELS.SYSTEM.CHECK_MIC_PERMISSION, async () => {
    let status: PermissionStatus = 'unknown'
    if (process.platform === 'darwin') {
      const macStatus = systemPreferences.getMediaAccessStatus('microphone')
      status = macStatus === 'granted' ? 'granted' : macStatus === 'denied' ? 'denied' : 'unknown'
    } else {
      // Windows: 마이크 권한은 별도 체크 불필요 (시스템 설정에서 관리)
      status = 'granted'
    }
    return ipcSuccess(status)
  })

  // ── Sound Effect ──

  ipcMain.handle(IPC_CHANNELS.SYSTEM.PLAY_SOUND, async (_event, params: PlaySoundParams) => {
    getSoundEffectService().play(params.sound as 'recording-start' | 'recording-stop' | 'error' | 'cancel')
    return ipcSuccess(undefined)
  })

  ipcMain.handle(IPC_CHANNELS.SYSTEM.SET_SOUND_ENABLED, async (_event, params: SetSoundEnabledParams) => {
    getSoundEffectService().setEnabled(params.enabled)
    return ipcSuccess(undefined)
  })

  ipcMain.handle(IPC_CHANNELS.SYSTEM.IS_SOUND_ENABLED, async () => {
    return ipcSuccess(getSoundEffectService().isEnabled())
  })
}