# scopes.core.environ

"""Defining an environment for the communication system"""

from scopes import core
from scopes.core import actor
from scopes.core.message import Message
from scopes.util import keywords as k

def create_env(meta_env: actor.Mailbox) -> actor.Mailbox:
    scope = core.create_scope(meta_env, (k.env, k.c00), 
                              program=core.gen_program({}, default=env_proc()))
    return core.neuron(scope)

def env_proc() -> core.Proc:
    return core.gen_proc(env_actions(), default=None, finalize=core.notify())

def handle_created() -> core.Handler:
    async def handle(msg: Message, scope: core.Scope) -> Message:
        return msg
    return handle

def env_actions() -> core.Actions:
    return {
        k.created: handle_created(),
    }