import nexmo, pytz

from datetime import datetime

from ._internal import _format_date_param

class Sms:

#To init Sms class pass a client reference or a key and secret

def __init__(

self,

client=None,

key=None,

secret=None,

signature_secret=None,

signature_method=None

):

try:

self._client = client

if self._client is None:

self._client = nexmo.Client(

key=key,

secret=secret,

signature_secret=signature_secret,

signature_method=signature_method

)

except Exception as e:

print('Error: {error_message}'.format(error_message=str(e)))

def send_message(self, params):

"""

Send an SMS message.

Requires a client initialized with `key` and either `secret` or `signature_secret`.

:param dict params: A dict of values described at `Send an SMS <https://developer.nexmo.com/api/sms#send-an-sms>`_

"""

return self._client.post(self._client.host(), "/sms/json", params, supports_signature_auth=True)

def submit_sms_conversion(self, message_id, delivered=True, timestamp=None):

"""

Notify Nexmo that an SMS was successfully received.

:param message_id: The `message-id` str returned by the send_message call.

:param delivered: A `bool` indicating that the message was or was not successfully delivered.

:param timestamp: A `datetime` object containing the time the SMS arrived.

:return: The parsed response from the server. On success, the bytestring b'OK'

"""

params = {

"message-id": message_id,

"delivered": delivered,

"timestamp": timestamp or datetime.now(pytz.utc)

}

# Ensure timestamp is a string:

_format_date_param(params, "timestamp")

return self._client.post(self._client.api_host(), "/conversions/sms", params)