// json-rpc-engine
// rpc-websockets
import { Server as RpcWebsocketServer } from 'rpc-websockets'
import { isFinite } from 'underscore'
import { event } from '../event'
import SysConf from '../utils/sys_conf'

// const rpc_token = SysConf.get('WS_JSON_RPC_SERVER_TOKEN')

// if(!rpc_token) {
//   throw new Error('缺少参数WS_JSON_RPC_SERVER_TOKEN')
// }

function register (server:RpcWebsocketServer) {

  server.setAuth(params=>params.token === SysConf.get('WS_JSON_RPC_SERVER_TOKEN'))

  // server.register('snowflake',()=>snowflake.create().toString(10)).protected()

  // server.register('shortid',()=>shortid.create().toString(10)).protected()
}

const host = process.env.WS_JSON_RPC_SERVER_HOST || '0.0.0.0'

const port = process.env.WS_JSON_RPC_SERVER_PORT || ''

if(!isFinite(port)) {
  throw new Error('缺少参数：json-rpc服务端口 [WS_JSON_RPC_SERVER_PORT]')
}

// {"method":"shortid","id":"abcd","jsonrpc":"2.0"}
// {"method":"rpc.login","id":"abcde","jsonrpc":"2.0","params":{"token":"zcj"}}

event.on('http-server-started',function () {
  const server = new RpcWebsocketServer({ port,host })

  register(server)

  console.log(`启动json-rpc服务，正在监听${host}:${port}`)
})