import { dispatch } from '../store'
import types from '../types'
import uuidv1 from 'uuid/v1'
import { socket } from './socket.connection'

socket.on('system_res', (data) => {
  // console.log('system response', data)
  switch (data.type) {
    case 'relay_connected':
      return dispatch({
        type: types.system.relay_connected
      })
    case 'relay_disconnected':
      return dispatch({
        type: types.system.relay_disconnected
      })
    case 'rpc_connected':
      return dispatch({
        type: types.system.rpc_connected,
        runner: data.runner,
      })
    case 'rpc_disconnected':
      return dispatch({
        type: types.system.rpc_disconnected
      })
    case 'relay_status':
      return dispatch({
        type: data.rpc_connected ? types.system.rpc_connected : types.system.rpc_disconnected,
        runner: data.runner,
      })
    // case 'run_system_command':
    //   return dispatch({
    //     type: types.system.command_output,
    //     data: data,
    //   })
    // case 'list_directory':
    //   return dispatch({
    //     type: types.system.list_directory,
    //     data: data,
    //   })
    //   break
    default:
      break
  }
})

export function run_system_command(cmd) {
  socket.emit('system', {
    cmd: 'run_system_command',
    payload: cmd,
  })
}

export function list_directory(opt) {
  socket.emit('system', {
    cmd: 'list_directory',
    payload: opt,
  })
}

export function run_system_command_async(opt) {
  return syscall_async('run_system_command', opt)
}
export function list_directory_async(opt) {
  return syscall_async('list_directory', opt).then(res => res.files)
}
export function run_script_async(opt) {
  return syscall_async('run_script', opt)
}
export const syscall_async = (tag, payload, ttl=10000) => {
  return new Promise( (resolve, reject) => {
    const uuid = uuidv1()
    const timeout = setTimeout(() => {
      socket.off('system_res', cb)
      reject('timeout')
    }, ttl)
    const cb = (data) => {
      if (!data.uuid) return
      if (data.uuid === uuid) {
        clearTimeout(timeout)
        socket.off('system_res', cb)
        resolve(data)
      }
    }
    socket.emit('system', { cmd: tag, payload, uuid })
    socket.on('system_res', cb)
  })
}