import { exec, execFile } from 'child_process'
import { dialog, nativeTheme } from 'electron'
import { readFile } from 'fs/promises'
import path from 'path'
import { promisify } from 'util'
import { exePath, mihomoCorePath, resourcesDir } from '../utils/dirs'

export function getFilePath(ext: string[]): string[] | undefined {
  return dialog.showOpenDialogSync({
    title: '选择订阅文件',
    filters: [{ name: `${ext} file`, extensions: ext }],
    properties: ['openFile']
  })
}

export async function readTextFile(filePath: string): Promise<string> {
  return await readFile(filePath, 'utf8')
}

export async function openUWPTool(): Promise<void> {
  const execFilePromise = promisify(execFile)
  const uwpToolPath = path.join(resourcesDir(), 'files', 'enableLoopback.exe')
  await execFilePromise(uwpToolPath)
}

export async function setupFirewall(): Promise<void> {
  const execPromise = promisify(exec)
  const removeCommand = `
  Remove-NetFirewallRule -DisplayName "mihomo" -ErrorAction SilentlyContinue
  Remove-NetFirewallRule -DisplayName "mihomo-alpha" -ErrorAction SilentlyContinue
  Remove-NetFirewallRule -DisplayName "Mihomo Party" -ErrorAction SilentlyContinue
  `
  const createCommand = `
  New-NetFirewallRule -DisplayName "mihomo" -Direction Inbound -Action Allow -Program "${mihomoCorePath('mihomo')}" -Enabled True -Profile Any -ErrorAction SilentlyContinue
  New-NetFirewallRule -DisplayName "mihomo-alpha" -Direction Inbound -Action Allow -Program "${mihomoCorePath('mihomo-alpha')}" -Enabled True -Profile Any -ErrorAction SilentlyContinue
  New-NetFirewallRule -DisplayName "Mihomo Party" -Direction Inbound -Action Allow -Program "${exePath()}" -Enabled True -Profile Any -ErrorAction SilentlyContinue
  `

  if (process.platform === 'win32') {
    await execPromise(removeCommand, { shell: 'powershell' })
    await execPromise(createCommand, { shell: 'powershell' })
  }
}

export function setNativeTheme(theme: 'system' | 'light' | 'dark'): void {
  nativeTheme.themeSource = theme
}