import spawn, { ActorContext, Value } from '@eigr/spawn-sdk'
import { UserState, ChangeUserNamePayload, ChangeUserNameStatus } from 'src/protos/examples/user_example'

const system = spawn.createSystem('SpawnSystemName')

// You can register multiple actors with different options
const actor = system.buildActor({
  name: 'exampleActor',
  stateType: UserState, // or 'json' if you don't want to use protobufs
  stateful: true,
  snapshotTimeout: 10_000n,
  deactivatedTimeout: 60_000n
})

// This can be defined in a separate file
const setNameHandler = async (context: ActorContext<UserState>, payload: ChangeUserNamePayload) => {
  return Value.of<UserState, ChangeUserNameResponse>()
    .state({ name: payload.newName })
    .response(ChangeUserNameResponse, { status: ChangeUserNameStatus.OK })
}

// This is similar to a Route definition in REST
// the default payloadType is 'json'
actor.addAction({ name: 'setName', payloadType: ChangeUserNamePayload }, setNameHandler)

system.register()
  .then(() => console.log('Spawn System registered'))

import spawn, { payloadFor } from '@eigr/spawn-sdk'
import { UserState, ChangeUserNamePayload, ChangeUserNameResponse } from 'src/protos/examples/user_example'

(async () => {
  const payload = { newName: 'changedName' } as ChangeUserNamePayload
  const response: ChangeUserNameResponse = await spawn.invoke('exampleActor', {
    action: 'setName',
    response: ChangeUserNameResponse,
    payload: payloadFor(ChangeUserNamePayload, payload)
    // system: 'SpawnSystemName'
  })

  const state: UserState = await spawn.invoke('exampleActor', {
    action: 'getState',
    response: UserState,
    // system: 'SpawnSystemName'
  })

  console.log(state) // { name: 'changedName' }
})()