const os = require('os')
const {existsSync, realpathSync} = require('fs')
const {execSync} = require('child_process')
const arch = os.arch()

let skipDownload = false
let executablePath

// linux / android
if (process.platform === 'linux' || process.platform === 'android') {
  for (const item of [
    'chromium',
    'chromium-browser',
    'chrome',
    'chrome-browser',
  ]) {
    try {
      const chromiumPath = execSync(`command -v ${item}`).toString().trim()
      if (chromiumPath && existsSync(chromiumPath)) {
        executablePath = realpathSync(chromiumPath)
        break
      }
    } catch (err) {
    }
  }
}

// macOS
if (process.platform === 'darwin') {
  for (const item of [
    '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome',
    '/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge',
  ]) {
    if (existsSync(item)) {
      executablePath = item
      break
    }
  }
}

// windows 或其他
if (!executablePath) {
  for (const item of [
    'C:/Program Files/Google/Chrome/Application/chrome.exe',
    'C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe',
    '/usr/bin/chromium',
    '/usr/bin/chromium-browser',
    '/snap/bin/chromium',
  ]) {
    if (existsSync(item)) {
      executablePath = item
      break
    }
  }
}

if (executablePath || arch === 'arm64' || arch === 'aarch64') {
  (typeof logger == 'object' ? logger : console).info(`[Chromium] ${executablePath}`)
  skipDownload = true
}

module.exports = {skipDownload, executablePath}