"""
camcops_server/cc_modules/tests/cc_sms_tests.py

===============================================================================

    Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
    Created by Rudolf Cardinal (rnc1001@cam.ac.uk).

    This file is part of CamCOPS.

    CamCOPS is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    CamCOPS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.

===============================================================================

"""

import logging
from typing import cast, Dict, Any
from unittest import mock, TestCase

from camcops_server.cc_modules.cc_constants import SmsBackendNames
from camcops_server.cc_modules.cc_sms import (
    get_sms_backend,
    ConsoleSmsBackend,
    KapowSmsBackend,
    TwilioSmsBackend,
)


TEST_MESSAGE = "Test Message"
# https://www.ofcom.org.uk/phones-telecoms-and-internet/information-for-industry/numbering/numbers-for-drama  # noqa: E501
# 07700 900000 to 900999 reserved for TV and Radio drama purposes
TEST_RECIPIENT = "+447700900123"
TEST_SENDER = "+447700900456"


class KapowSmsBackendTests(TestCase):
    @mock.patch("camcops_server.cc_modules.cc_sms.requests.post")
    def test_sends_sms(self, mock_post: mock.Mock) -> None:

        config = {
            KapowSmsBackend.PARAM_USERNAME: "testuser",
            KapowSmsBackend.PARAM_PASSWORD: "testpass",
        }

        backend = get_sms_backend(SmsBackendNames.KAPOW, config)
        backend.send_sms(TEST_RECIPIENT, TEST_MESSAGE)

        args, kwargs = mock_post.call_args

        self.assertEqual(
            args[0], "https://www.kapow.co.uk/scripts/sendsms.php"
        )

        data = kwargs["data"]
        self.assertEqual(data["username"], "testuser")
        self.assertEqual(data["password"], "testpass")
        self.assertEqual(data["mobile"], TEST_RECIPIENT)
        self.assertEqual(data["sms"], TEST_MESSAGE)


class TwilioSmsBackendTests(TestCase):
    def test_backend_creates_client(self) -> None:
        config = {
            TwilioSmsBackend.PARAM_SID: "testsid",
            TwilioSmsBackend.PARAM_TOKEN: "testtoken",
            TwilioSmsBackend.PARAM_FROM_PHONE_NUMBER: TEST_SENDER,
        }

        backend = cast(
            "TwilioSmsBackend", get_sms_backend(SmsBackendNames.TWILIO, config)
        )

        self.assertEqual(backend.client.username, "testsid")
        self.assertEqual(backend.client.password, "testtoken")

    def test_sends_sms(self) -> None:
        config = {
            TwilioSmsBackend.PARAM_SID: "testsid",
            TwilioSmsBackend.PARAM_TOKEN: "testtoken",
            TwilioSmsBackend.PARAM_FROM_PHONE_NUMBER: TEST_SENDER,
        }

        backend = cast(
            "TwilioSmsBackend", get_sms_backend(SmsBackendNames.TWILIO, config)
        )

        with mock.patch.object(
            backend.client.messages, "create"
        ) as mock_create:
            backend.send_sms(TEST_RECIPIENT, TEST_MESSAGE)

        args, kwargs = mock_create.call_args

        self.assertEqual(kwargs["to"], TEST_RECIPIENT)
        self.assertEqual(kwargs["from_"], TEST_SENDER)
        self.assertEqual(kwargs["body"], TEST_MESSAGE)


class ConsoleSmsBackendTests(TestCase):
    def test_sends_sms(self) -> None:

        config: Dict[str, Any] = {}

        backend = get_sms_backend(SmsBackendNames.CONSOLE, config)

        with self.assertLogs(level=logging.INFO) as logging_cm:
            backend.send_sms(TEST_RECIPIENT, TEST_MESSAGE)

        logger_name = "camcops_server.cc_modules.cc_sms"

        self.assertIn(f"INFO:{logger_name}", logging_cm.output[0])

        self.assertIn(
            ConsoleSmsBackend.make_msg(TEST_RECIPIENT, TEST_MESSAGE),
            logging_cm.output[0],
        )
