#!/usr/bin/env node
const { execSync } = require('child_process')
const path = require('path')

// 项目根 = 脚本所在目录的上一级（nodejs -> 项目根）
// 打包后 nodejs 在 app.asar 内执行，但 lib/configs 在 app.asar.unpacked，需用 unpacked 路径才能找到 adb
let PROJECT_ROOT = path.resolve(__dirname, '..')
if (PROJECT_ROOT.includes('app.asar') && !PROJECT_ROOT.includes('app.asar.unpacked')) {
  PROJECT_ROOT = PROJECT_ROOT.replace('app.asar', 'app.asar.unpacked')
}
const TCPIP_PORT = 5555

/** 从配置解析并返回 ADB 可执行文件路径 */
function getAdbPath() {
  const configPath = path.join(PROJECT_ROOT, 'configs', 'config.js')
  const config = require(configPath)
  return config.adbPath?.path
    ? path.resolve(PROJECT_ROOT, config.adbPath.path)
    : path.join(PROJECT_ROOT, 'lib', 'scrcpy-adb', 'adb.exe')
}

/** 返回当前通过 USB 连接的设备 ID 列表（仅 status 为 device 且非 IP:port，排除无线设备） */
function getConnectedDeviceIds(adbPath) {
  const out = execSync(`"${adbPath}" devices`, { encoding: 'utf-8' })
  return out
    .split('\n')
    .filter((line) => line.trim() && !line.startsWith('List') && line.includes('\tdevice'))
    .map((line) => line.trim().split('\t')[0])
    .filter((id) => id && !id.includes(':'))
}

/** 操作一：在 USB 设备上开启无线调试（settings adb_wifi_enabled 1） */
function enableWirelessSetting(adbPath, deviceId) {
  execSync(`"${adbPath}" -s ${deviceId} shell settings put global adb_wifi_enabled 1`, { encoding: 'utf-8' })
}

/** 操作二：在 USB 设备上激活 5555 端口（tcpip），用于无线连接 */
function enableTcpipPort(adbPath, deviceId, port) {
  return execSync(`"${adbPath}" -s ${deviceId} tcpip ${port}`, { encoding: 'utf-8' }).trim()
}

/** 主流程：取 USB 设备，依次执行「开启无线调试」「激活 5555 端口」 */
function run() {
  const adbPath = getAdbPath()
  const devices = getConnectedDeviceIds(adbPath)
  if (devices.length === 0) {
    process.stderr.write('No devices found. Please connect a device via USB.\n')
    process.exit(1)
  }
  const deviceId = devices[0]
  enableWirelessSetting(adbPath, deviceId)
  const tcpipOut = enableTcpipPort(adbPath, deviceId, TCPIP_PORT)
  process.stdout.write(tcpipOut + '\n')
  process.exit(0)
}

run()