# mail.py

import typs
import mailroom


class Mail:
	"""Session interface for mailroom.

	Two main IO methods. Will translate intents to mail and vice versa.
	Should be a parent class of Session.
	"""
	def __init__(self):
		self.crimata_id = False

	# Receive intent.
	async def mailbox_recv(self):
		mail = await mailroom.get_mail(self.crimata_id)
		intent = self.__decode(mail)
		return intent

	# Send intent.
	def mailbox_send(self, intent):
		mail = self.__encode(intent)
		print(f"Putting message into outbox {self.crimata_id}")
		mailroom.put_mail(self.crimata_id, mail)

	def __encode(self, intent: typs.Intent) -> typs.Mail:
		p = intent.params
		owner = self.crimata_id
		target = p.get("target")
		text = p.get("text")
		audio = p.get("audio")
		mail = typs.Mail(owner, target, text, audio)
		return mail

	@staticmethod
	def __decode(mail: typs.Mail) -> typs.Intent:
		name = "message"
		params = {
			"owner": mail.owner,
			"text": mail.text, #dev only
			"audio": mail.audio
		}
		intent = typs.Intent(name, params)
		return intent