from unittest import mock

import orjson
import requests
import responses
from django.core.signing import Signer
from django.http import HttpResponseRedirect
from django.test import override_settings
from typing_extensions import override

from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.url_encoding import append_url_query_string


@override_settings(VIDEO_ZOOM_SERVER_TO_SERVER_ACCOUNT_ID=None)
class ZoomVideoCallTestUserAuth(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user = self.example_user("hamlet")
        self.login_user(self.user)

    def test_register_zoom_request_no_settings(self) -> None:
        with self.settings(VIDEO_ZOOM_CLIENT_ID=None):
            response = self.client_get("/calls/zoom/register")
            self.assert_json_error(
                response,
                "Zoom credentials have not been configured",
            )

    def test_register_zoom_request(self) -> None:
        response = self.client_get("/calls/zoom/register")
        self.assertEqual(response.status_code, 302)

    @responses.activate
    def test_create_zoom_video_and_audio_links(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "oldtoken", "expires_in": -60},
        )

        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assertEqual(response.status_code, 200)

        # Test creating a video link
        responses.replace(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "newtoken", "expires_in": 60},
        )

        responses.add(
            responses.POST,
            "https://api.zoom.us/v2/users/me/meetings",
            json={"join_url": "example.com"},
        )

        response = self.client_post("/json/calls/zoom/create", {"is_video_call": "true"})
        self.assertEqual(
            responses.calls[-1].request.url,
            "https://api.zoom.us/v2/users/me/meetings",
        )
        assert responses.calls[-1].request.body is not None
        self.assertEqual(
            orjson.loads(responses.calls[-1].request.body),
            {
                "settings": {
                    "host_video": True,
                    "participant_video": True,
                },
                "default_password": True,
            },
        )
        self.assertEqual(
            responses.calls[-1].request.headers["Authorization"],
            "Bearer newtoken",
        )
        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "example.com")

        # Test creating an audio link
        responses.replace(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "newtoken", "expires_in": 60},
        )

        responses.add(
            responses.POST,
            "https://api.zoom.us/v2/users/me/meetings",
            json={"join_url": "example.com"},
        )

        response = self.client_post("/json/calls/zoom/create", {"is_video_call": "false"})
        self.assertEqual(
            responses.calls[-1].request.url,
            "https://api.zoom.us/v2/users/me/meetings",
        )
        assert responses.calls[-1].request.body is not None
        self.assertEqual(
            orjson.loads(responses.calls[-1].request.body),
            {
                "settings": {
                    "host_video": False,
                    "participant_video": False,
                },
                "default_password": True,
            },
        )
        self.assertEqual(
            responses.calls[-1].request.headers["Authorization"],
            "Bearer newtoken",
        )
        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "example.com")

        # Test for authentication error
        self.logout()
        self.login_user(self.user)

        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Invalid Zoom access token")

    def test_create_zoom_realm_redirect(self) -> None:
        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zephyr","sid":"somesid"}'},
        )
        self.assertEqual(response.status_code, 302)
        self.assertIn("http://zephyr.testserver/", response["Location"])
        self.assertIn("somesid", response["Location"])

    def test_create_zoom_sid_error(self) -> None:
        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":"bad"}'},
        )
        self.assert_json_error(response, "Invalid Zoom session identifier")

    @responses.activate
    def test_create_zoom_credential_error(self) -> None:
        responses.add(responses.POST, "https://zoom.example.com/oauth/token", status=400)

        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assert_json_error(response, "Invalid Zoom credentials")

    @responses.activate
    def test_create_zoom_refresh_error(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token", "expires_in": -60},
        )

        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assertEqual(response.status_code, 200)

        responses.replace(responses.POST, "https://zoom.example.com/oauth/token", status=400)

        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Invalid Zoom access token")

    @responses.activate
    def test_create_zoom_request_error(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token"},
        )

        responses.add(
            responses.POST,
            "https://api.zoom.us/v2/users/me/meetings",
            status=400,
        )

        response = self.client_get(
            "/calls/zoom/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assertEqual(response.status_code, 200)

        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Failed to create Zoom call")

        responses.replace(
            responses.POST,
            "https://api.zoom.us/v2/users/me/meetings",
            status=401,
        )

        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Invalid Zoom access token")

    @responses.activate
    def test_deauthorize_zoom_user(self) -> None:
        response = self.client_post(
            "/calls/zoom/deauthorize",
            """\
{
  "event": "app_deauthorized",
  "payload": {
    "user_data_retention": "false",
    "account_id": "EabCDEFghiLHMA",
    "user_id": "z9jkdsfsdfjhdkfjQ",
    "signature": "827edc3452044f0bc86bdd5684afb7d1e6becfa1a767f24df1b287853cf73000",
    "deauthorization_time": "2019-06-17T13:52:28.632Z",
    "client_id": "ADZ9k9bTWmGUoUbECUKU_a"
  }
}
""",
            content_type="application/json",
        )
        self.assert_json_success(response)


class WebexVideoCallTestOAuth(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user = self.example_user("hamlet")
        self.login_user(self.user)

    def test_register_webex_request_no_settings(self) -> None:
        with self.settings(VIDEO_WEBEX_CLIENT_ID=None):
            response = self.client_get("/calls/webex/register")
            self.assert_json_error(
                response,
                "Webex credentials have not been configured",
            )

    def test_register_webex_request(self) -> None:
        response = self.client_get("/calls/webex/register")
        self.assertEqual(response.status_code, 302)
        self.assertTrue(response["Location"].startswith("https://webexapis.com/v1/authorize"))

    @responses.activate
    def test_create_webex_access_token(self) -> None:
        responses.add(
            responses.POST,
            "https://webexapis.com/v1/access_token",
            json={"access_token": "oldtoken", "expires_in": -60},
        )

        response = self.client_get(
            "/calls/webex/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assertEqual(response.status_code, 200)

    @responses.activate
    def test_create_webex_adhoc_meeting(self) -> None:
        responses.add(
            responses.POST,
            "https://webexapis.com/v1/access_token",
            json={"access_token": "token", "expires_in": 3600},
        )

        response = self.client_get(
            "/calls/webex/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )
        self.assertEqual(response.status_code, 200)

        responses.add(
            responses.POST,
            "https://webexapis.com/v1/rooms",
            json={"id": "room_id_123"},
            status=200,
        )

        responses.add(
            responses.POST,
            "https://webexapis.com/v1/meetings",
            json={
                "id": "meeting_id_456",
                "webLink": "https://webex.com/test",
            },
            status=200,
        )

        response = self.client_post("/json/calls/webex/create")

        result = self.assert_json_success(response)
        self.assertEqual(result["url"], "https://webex.com/test")

        # Test for token removal on logout.
        self.logout()
        self.login_user(self.user)

        response = self.client_post("/json/calls/webex/create")
        self.assert_json_error(response, "Invalid Webex access token")

    @responses.activate
    def test_create_webex_personal_room_meeting(self) -> None:
        responses.add(
            responses.POST,
            "https://webexapis.com/v1/access_token",
            json={"access_token": "token", "expires_in": 3600},
        )

        self.client_get(
            "/calls/webex/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )

        responses.add(
            responses.POST,
            "https://webexapis.com/v1/rooms",
            status=403,
        )

        responses.add(
            responses.POST,
            "https://webexapis.com/v1/meetings",
            json={
                "id": "meeting_id_456",
                "webLink": "https://webex.com/test",
            },
            status=200,
        )

        result = self.client_post("/json/calls/webex/create")

        assert responses.calls[-1].request.body is not None
        payload = orjson.loads(responses.calls[-1].request.body)
        self.assertEqual(payload["scheduledType"], "personalRoomMeeting")

        json = self.assert_json_success(result)
        self.assertEqual(json["url"], "https://webex.com/test")

    def test_create_webex_realm_redirect(self) -> None:
        response = self.client_get(
            "/calls/webex/complete",
            {"code": "code", "state": '{"realm":"lear","sid":"somesid"}'},
        )
        self.assertEqual(response.status_code, 302)
        self.assertIn("http://lear.testserver/", response["Location"])
        self.assertIn("somesid", response["Location"])

    @responses.activate
    def test_webex_public_room_creation_failure(self) -> None:
        responses.add(
            responses.POST,
            "https://webexapis.com/v1/access_token",
            json={"access_token": "token", "expires_in": 3600},
        )

        self.client_get(
            "/calls/webex/complete",
            {"code": "code", "state": '{"realm":"zulip","sid":""}'},
        )

        responses.add(
            responses.POST,
            "https://webexapis.com/v1/rooms",
            status=500,
        )

        response = self.client_post("/json/calls/webex/create")

        self.assert_json_error(response, "Failed to create Webex public room.")


class ZoomVideoCallTestServerAuth(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user = self.example_user("hamlet")
        self.login_user(self.user)
        self.user_zoom_meeting_url = (
            f"https://api.zoom.us/v2/users/{self.user.delivery_email}/meetings"
        )

    @responses.activate
    def test_zoom_invalid_settings(self) -> None:
        with self.settings(VIDEO_ZOOM_CLIENT_ID=None):
            response = self.client_post("/json/calls/zoom/create")
            self.assert_json_error(
                response,
                "Zoom credentials have not been configured",
            )

        responses.add(responses.POST, "https://zoom.example.com/oauth/token", status=400)
        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Invalid Zoom credentials")

    @responses.activate
    def test_zoom_invalid_access_token_error(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token"},
        )

        responses.add(
            responses.POST,
            self.user_zoom_meeting_url,
            status=400,
            json={"code": 124, "message": "API key expired"},
        )
        with self.assertLogs(level="ERROR") as error_log:
            response = self.client_post("/json/calls/zoom/create")
            self.assertEqual(
                error_log.output[0],
                "ERROR:root:Unexpected Zoom error 124: API key expired",
            )
        self.assert_json_error(response, "Failed to create Zoom call")

    @responses.activate
    def test_zoom_unknown_email_error(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token"},
        )

        responses.add(responses.POST, self.user_zoom_meeting_url, status=400, json={"code": 1001})
        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Unknown Zoom user email")

    @responses.activate
    def test_zoom_error_api_response_code_unknown(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token"},
        )

        responses.add(responses.POST, self.user_zoom_meeting_url, status=400, json={"code": 300})
        response = self.client_post("/json/calls/zoom/create")
        self.assert_json_error(response, "Failed to create Zoom call")

    @responses.activate
    def test_zoom_create_video_call(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token", "expires_in": 3599},
        )

        responses.add(
            responses.POST,
            self.user_zoom_meeting_url,
            json={"join_url": "example.com"},
        )

        response = self.client_post("/json/calls/zoom/create", {"is_video_call": "true"})
        self.assertEqual(
            responses.calls[-1].request.url,
            self.user_zoom_meeting_url,
        )
        assert responses.calls[-1].request.body is not None
        self.assertEqual(
            orjson.loads(responses.calls[-1].request.body),
            {
                "settings": {
                    "host_video": True,
                    "participant_video": True,
                },
                "default_password": True,
            },
        )
        self.assertEqual(
            responses.calls[-1].request.headers["Authorization"],
            "Bearer token",
        )
        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "example.com")

    @responses.activate
    def test_zoom_create_audio_call(self) -> None:
        responses.add(
            responses.POST,
            "https://zoom.example.com/oauth/token",
            json={"access_token": "token", "expires_in": 3599},
        )

        responses.add(
            responses.POST,
            self.user_zoom_meeting_url,
            json={"join_url": "example.com"},
        )

        response = self.client_post("/json/calls/zoom/create", {"is_video_call": "false"})
        self.assertEqual(
            responses.calls[-1].request.url,
            self.user_zoom_meeting_url,
        )
        assert responses.calls[-1].request.body is not None
        self.assertEqual(
            orjson.loads(responses.calls[-1].request.body),
            {
                "settings": {
                    "host_video": False,
                    "participant_video": False,
                },
                "default_password": True,
            },
        )
        self.assertEqual(
            responses.calls[-1].request.headers["Authorization"],
            "Bearer token",
        )
        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "example.com")


class BigBlueButtonVideoCallTest(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user = self.example_user("hamlet")
        self.login_user(self.user)
        self.signer = Signer()
        self.signed_bbb_a_object = self.signer.sign_object(
            {
                "meeting_id": "a",
                "name": "a",
                "lock_settings_disable_cam": True,
                "moderator": self.user.id,
            }
        )
        # For testing viewer role (different creator / moderator from self)
        self.signed_bbb_a_object_different_creator = self.signer.sign_object(
            {
                "meeting_id": "a",
                "name": "a",
                "lock_settings_disable_cam": True,
                "moderator": self.example_user("cordelia").id,
            }
        )

    def test_create_bigbluebutton_link(self) -> None:
        with (
            mock.patch("zerver.views.video_calls.random.randint", return_value="1"),
            mock.patch("secrets.token_bytes", return_value=b"\x00" * 20),
        ):
            with mock.patch("zerver.views.video_calls.random.randint", return_value="1"):
                response = self.client_get(
                    "/json/calls/bigbluebutton/create?meeting_name=general > meeting&voice_only=false"
                )
            response_dict = self.assert_json_success(response)
            self.assertEqual(
                response_dict["url"],
                append_url_query_string(
                    "/calls/bigbluebutton/join",
                    "bigbluebutton="
                    + self.signer.sign_object(
                        {
                            "meeting_id": "zulip-1",
                            "name": "general > meeting",
                            "lock_settings_disable_cam": False,
                            "moderator": self.user.id,
                        }
                    ),
                ),
            )

            # Testing for audio call
            response = self.client_get(
                "/json/calls/bigbluebutton/create?meeting_name=general > meeting&voice_only=true"
            )
            response_dict = self.assert_json_success(response)
            self.assertEqual(
                response_dict["url"],
                append_url_query_string(
                    "/calls/bigbluebutton/join",
                    "bigbluebutton="
                    + self.signer.sign_object(
                        {
                            "meeting_id": "zulip-1",
                            "name": "general > meeting",
                            "lock_settings_disable_cam": True,
                            "moderator": self.user.id,
                        }
                    ),
                ),
            )

    @responses.activate
    def test_join_bigbluebutton_redirect(self) -> None:
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True"
            "&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            "<response><returncode>SUCCESS</returncode><messageKey/><createTime>0</createTime></response>",
        )
        response = self.client_get(
            "/calls/bigbluebutton/join", {"bigbluebutton": self.signed_bbb_a_object}
        )
        self.assertEqual(response.status_code, 302)
        self.assertEqual(isinstance(response, HttpResponseRedirect), True)
        self.assertEqual(
            response["Location"],
            "https://bbb.example.com/bigbluebutton/api/join?meetingID=a&"
            "role=MODERATOR&fullName=King%20Hamlet&createTime=0&checksum=54259b884a7c20ddcd7b280a1b62e59d7990568fe4f22001812bc4bcfd161a46",
        )
        # Testing for viewer role
        response = self.client_get(
            "/calls/bigbluebutton/join",
            {"bigbluebutton": self.signed_bbb_a_object_different_creator},
        )
        self.assertEqual(response.status_code, 302)
        self.assertEqual(isinstance(response, HttpResponseRedirect), True)
        self.assertEqual(
            response["Location"],
            "https://bbb.example.com/bigbluebutton/api/join?meetingID=a&"
            "role=VIEWER&fullName=King%20Hamlet&createTime=0&checksum=52efaf64109ca4ec5a20a1d295f315af53f9e6ec30b50ed3707fd2909ac6bd94",
        )

    @responses.activate
    def test_join_bigbluebutton_invalid_signature(self) -> None:
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True"
            "&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            "<response><returncode>SUCCESS</returncode><messageKey/><createTime>0</createTime></response>",
        )
        response = self.client_get(
            "/calls/bigbluebutton/join", {"bigbluebutton": self.signed_bbb_a_object + "zoo"}
        )
        self.assert_json_error(response, "Invalid signature.")

    @responses.activate
    def test_join_bigbluebutton_redirect_wrong_big_blue_button_checksum(self) -> None:
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            "<response><returncode>FAILED</returncode><messageKey>checksumError</messageKey>"
            "<message>You did not pass the checksum security check</message></response>",
        )
        response = self.client_get(
            "/calls/bigbluebutton/join",
            {"bigbluebutton": self.signed_bbb_a_object},
        )
        self.assert_json_error(response, "Error authenticating to the BigBlueButton server")

    @responses.activate
    def test_join_bigbluebutton_redirect_server_error(self) -> None:
        # Simulate bbb server error
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            status=500,
            body="Something went wrong",
        )
        response = self.client_get(
            "/calls/bigbluebutton/join",
            {"bigbluebutton": self.signed_bbb_a_object},
        )
        self.assert_json_error(
            response, "Error connecting to the BigBlueButton server: HTTP 500: Something went wrong"
        )

    @responses.activate
    def test_join_bigbluebutton_connection_refused(self) -> None:
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            body=requests.exceptions.ConnectionError("Connection refused"),
        )
        response = self.client_get(
            "/calls/bigbluebutton/join",
            {"bigbluebutton": self.signed_bbb_a_object},
        )
        self.assert_json_error(
            response, "Error connecting to the BigBlueButton server: Connection refused"
        )

    @responses.activate
    def test_join_bigbluebutton_redirect_error_by_server(self) -> None:
        # Simulate bbb server error
        responses.add(
            responses.GET,
            "https://bbb.example.com/bigbluebutton/api/create?meetingID=a&name=a&lockSettingsDisableCam=True&checksum=33349e6374ca9b2d15a0c6e51a42bc3e8f770de13f88660815c6449859856e20",
            "<response><returncode>FAILURE</returncode><messageKey>otherFailure</messageKey></response>",
        )
        response = self.client_get(
            "/calls/bigbluebutton/join",
            {"bigbluebutton": self.signed_bbb_a_object},
        )
        self.assert_json_error(
            response, "BigBlueButton server returned an unexpected error: FAILURE"
        )

    def test_join_bigbluebutton_redirect_not_configured(self) -> None:
        with self.settings(BIG_BLUE_BUTTON_SECRET=None, BIG_BLUE_BUTTON_URL=None):
            response = self.client_get(
                "/calls/bigbluebutton/join",
                {"bigbluebutton": self.signed_bbb_a_object},
            )
            self.assert_json_error(response, "BigBlueButton credentials have not been configured")


class ConstructorGroupsVideoCallTest(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user_profile = self.example_user("hamlet")
        self.login_user(self.user_profile)

        self.base_api_url = "https://example.constructor.app/api/groups/xapi"

        self.test_room_guid = "a13b8686-d383-4763-b3b7-d2d4dd7f34ec"
        self.test_room_name = "King Hamlet's Zulip room"
        self.test_room_url = f"https://example.constructor.app/groups/room/{self.test_room_name}"

        self.mock_valid_room = {
            "room_guid": self.test_room_guid,
            "name": self.test_room_name,
            "url": self.test_room_url,
        }

        self.mock_room_missing_url = {
            "room_guid": self.test_room_guid,
            "name": self.test_room_name,
        }

    def test_missing_constructor_groups_settings(self) -> None:
        for setting_name in [
            "CONSTRUCTOR_GROUPS_URL",
            "CONSTRUCTOR_GROUPS_ACCESS_KEY",
            "CONSTRUCTOR_GROUPS_SECRET_KEY",
        ]:
            with self.settings(**{setting_name: None}):
                response = self.client_post("/json/calls/constructorgroups/create")
                self.assert_json_error(
                    response, "Constructor Groups credentials have not been configured"
                )

    @responses.activate
    def test_get_existing_room(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            json=self.mock_valid_room,
            status=200,
        )

        response = self.client_post("/json/calls/constructorgroups/create")

        response_dict = self.assert_json_success(response)
        self.assertEqual(response_dict["url"], self.test_room_url)
        self.assert_length(responses.calls, 1)

    @responses.activate
    def test_create_new_room(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            json=self.mock_valid_room,
            status=201,
        )

        response = self.client_post("/json/calls/constructorgroups/create")

        response_dict = self.assert_json_success(response)
        self.assertEqual(response_dict["url"], self.test_room_url)
        self.assert_length(responses.calls, 1)

    @responses.activate
    def test_missing_url_in_response(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            json=self.mock_room_missing_url,
            status=200,
        )

        with self.assertLogs(level="ERROR") as logs:
            response = self.client_post("/json/calls/constructorgroups/create")

        self.assert_json_error(response, "Failed to create Constructor Groups call")
        self.assertIn("Constructor Groups API returned room without URL", logs.output[0])

    @responses.activate
    def test_http_request_error_handling(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            status=500,
        )

        with self.assertLogs(level="ERROR") as error_log:
            response = self.client_post("/json/calls/constructorgroups/create")
            self.assertIn("Constructor Groups API request failed", error_log.output[0])
        self.assert_json_error(response, "Failed to create Constructor Groups call")

    @responses.activate
    def test_api_response_json_error(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            body="invalid json",
            status=200,
        )

        with self.assertLogs(level="ERROR") as error_log:
            response = self.client_post("/json/calls/constructorgroups/create")
            self.assertIn("Constructor Groups API request failed", error_log.output[0])
        self.assert_json_error(response, "Failed to create Constructor Groups call")

    @responses.activate
    def test_request_contains_correct_data(self) -> None:
        responses.add(
            responses.POST,
            f"{self.base_api_url}/room/default",
            json=self.mock_valid_room,
            status=200,
        )

        response = self.client_post("/json/calls/constructorgroups/create")
        self.assert_json_success(response)

        # Verify request body
        assert responses.calls[0].request.body is not None
        request_body = orjson.loads(responses.calls[0].request.body)
        self.assertEqual(request_body["creator_email"], self.user_profile.delivery_email)
        self.assertEqual(request_body["name"], f"{self.user_profile.full_name}'s Zulip room")
        self.assertEqual(
            request_body["fallback_name"],
            f"{self.user_profile.full_name}'s Zulip room ({self.user_profile.realm_id}-{self.user_profile.id})",
        )

    def test_unsupported_http_method(self) -> None:
        from zerver.lib.exceptions import JsonableError
        from zerver.views.video_calls import ConstructorGroupsService

        service = ConstructorGroupsService()

        with self.assertLogs(level="ERROR") as error_log:
            with self.assertRaises(JsonableError) as cm:
                service._make_authenticated_request("GET", "/room/default")
            self.assertEqual(str(cm.exception.msg), "Failed to create Constructor Groups call")
            self.assertIn("Constructor Groups API request failed", error_log.output[0])


class NextcloudVideoCallTest(ZulipTestCase):
    @override
    def setUp(self) -> None:
        super().setUp()
        self.user = self.example_user("hamlet")
        self.login_user(self.user)
        self.nextcloud_api_url = "https://nextcloud.example.com/ocs/v2.php/apps/spreed/api/v4/room"

    @responses.activate
    def test_create_nextcloud_talk_video_call_success(self) -> None:
        responses.add(
            responses.POST,
            self.nextcloud_api_url,
            json={
                "ocs": {
                    "meta": {"status": "ok", "statuscode": 200, "message": "OK"},
                    "data": {
                        "token": "abc123token",
                        "name": "Test Meeting",
                        "displayName": "Test Meeting",
                        "type": 3,
                    },
                }
            },
            status=200,
        )

        response = self.client_post(
            "/json/calls/nextcloud_talk/create", {"room_name": "#Test > team check-in"}
        )
        self.assertEqual(responses.calls[0].request.url, self.nextcloud_api_url)

        self.assertEqual(
            responses.calls[0].request.headers["OCS-APIRequest"],
            "true",
        )
        self.assertEqual(
            responses.calls[0].request.headers["Accept"],
            "application/json",
        )
        self.assertIn("Authorization", responses.calls[0].request.headers)
        self.assertTrue(responses.calls[0].request.headers["Authorization"].startswith("Basic "))

        assert responses.calls[0].request.body is not None
        self.assertEqual(
            orjson.loads(responses.calls[0].request.body),
            {
                "roomType": 3,
                "roomName": "#Test > team check-in",
            },
        )

        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "https://nextcloud.example.com/index.php/call/abc123token")

    def test_create_nextcloud_talk_not_configured(self) -> None:
        for setting_name in [
            "NEXTCLOUD_SERVER",
            "NEXTCLOUD_TALK_USERNAME",
            "NEXTCLOUD_TALK_PASSWORD",
        ]:
            with self.settings(**{setting_name: None}):
                response = self.client_post(
                    "/json/calls/nextcloud_talk/create",
                    {"room_name": "#Test > team check-in"},
                )
                self.assert_json_error(
                    response, "Nextcloud Talk credentials have not been configured"
                )

    @responses.activate
    def test_create_nextcloud_talk_server_error(self) -> None:
        responses.add(
            responses.POST,
            self.nextcloud_api_url,
            status=400,
            body="Invalid request",
        )

        response = self.client_post(
            "/json/calls/nextcloud_talk/create", {"room_name": "#Test > team check-in"}
        )

        self.assert_json_error(
            response, "Error connecting to the Nextcloud Talk server: HTTP 400: Invalid request"
        )

    @responses.activate
    def test_create_nextcloud_talk_connection_error(self) -> None:
        responses.add(
            responses.POST,
            self.nextcloud_api_url,
            body=requests.RequestException("Connection failed"),
        )

        response = self.client_post(
            "/json/calls/nextcloud_talk/create", {"room_name": "#Test > team check-in"}
        )

        self.assert_json_error(
            response, "Error connecting to the Nextcloud Talk server: Connection failed"
        )

    @responses.activate
    def test_create_nextcloud_talk_invalid_response(self) -> None:
        # Missing 'token' field
        responses.add(
            responses.POST,
            self.nextcloud_api_url,
            json={
                "ocs": {
                    "meta": {"status": "ok"},
                    "data": {},
                }
            },
            status=200,
        )

        response = self.client_post(
            "/json/calls/nextcloud_talk/create",
            {"room_name": "#Test > team check-in"},
        )
        self.assert_json_error(response, "Failed to create Nextcloud Talk call")

    @responses.activate
    def test_create_nextcloud_talk_truncates_long_room_name(self) -> None:
        responses.add(
            responses.POST,
            self.nextcloud_api_url,
            json={
                "ocs": {
                    "meta": {"status": "ok", "statuscode": 200, "message": "OK"},
                    "data": {
                        "token": "abc123token",
                        "name": "Truncated Conversation",
                        "displayName": "Truncated Meeting",
                        "type": 3,
                    },
                }
            },
            status=200,
        )

        long_room_name = "A" * 300

        response = self.client_post(
            "/json/calls/nextcloud_talk/create", {"room_name": long_room_name}
        )

        from zerver.views.video_calls import MAX_NEXTCLOUD_TALK_ROOM_NAME_LENGTH

        assert responses.calls[0].request.body is not None
        request_body = orjson.loads(responses.calls[0].request.body)
        self.assert_length(request_body["roomName"], MAX_NEXTCLOUD_TALK_ROOM_NAME_LENGTH)
        self.assertTrue(request_body["roomName"].endswith("..."))

        json = self.assert_json_success(response)
        self.assertEqual(json["url"], "https://nextcloud.example.com/index.php/call/abc123token")