from datetime import datetime, timedelta, timezone
from typing import List, Optional
from unittest import mock

import orjson
from django.http import HttpResponse
from django.utils.timezone import now as timezone_now

from analytics.lib.counts import COUNT_STATS, CountStat
from analytics.lib.time_utils import time_range
from analytics.models import FillState, RealmCount, UserCount
from analytics.views import rewrite_client_arrays, sort_by_totals, sort_client_labels
from corporate.lib.stripe import add_months, update_sponsorship_status
from corporate.models import Customer, CustomerPlan, LicenseLedger, get_customer_by_realm
from zerver.lib.actions import (
    do_create_multiuse_invite_link,
    do_send_realm_reactivation_email,
    do_set_realm_property,
)
from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.test_helpers import reset_emails_in_zulip_realm
from zerver.lib.timestamp import ceiling_to_day, ceiling_to_hour, datetime_to_timestamp
from zerver.models import (
    Client,
    MultiuseInvite,
    PreregistrationUser,
    Realm,
    UserMessage,
    UserProfile,
    get_realm,
)


class TestStatsEndpoint(ZulipTestCase):
    def test_stats(self) -> None:
        self.user = self.example_user("hamlet")
        self.login_user(self.user)
        result = self.client_get("/stats")
        self.assertEqual(result.status_code, 200)
        # Check that we get something back
        self.assert_in_response("Zulip analytics for", result)

    def test_guest_user_cant_access_stats(self) -> None:
        self.user = self.example_user("polonius")
        self.login_user(self.user)
        result = self.client_get("/stats")
        self.assert_json_error(result, "Not allowed for guest users", 400)

        result = self.client_get("/json/analytics/chart_data")
        self.assert_json_error(result, "Not allowed for guest users", 400)

    def test_stats_for_realm(self) -> None:
        user = self.example_user("hamlet")
        self.login_user(user)

        result = self.client_get("/stats/realm/zulip/")
        self.assertEqual(result.status_code, 302)

        result = self.client_get("/stats/realm/not_existing_realm/")
        self.assertEqual(result.status_code, 302)

        user = self.example_user("hamlet")
        user.is_staff = True
        user.save(update_fields=["is_staff"])

        result = self.client_get("/stats/realm/not_existing_realm/")
        self.assertEqual(result.status_code, 404)

        result = self.client_get("/stats/realm/zulip/")
        self.assertEqual(result.status_code, 200)
        self.assert_in_response("Zulip analytics for", result)

    def test_stats_for_installation(self) -> None:
        user = self.example_user("hamlet")
        self.login_user(user)

        result = self.client_get("/stats/installation")
        self.assertEqual(result.status_code, 302)

        user = self.example_user("hamlet")
        user.is_staff = True
        user.save(update_fields=["is_staff"])

        result = self.client_get("/stats/installation")
        self.assertEqual(result.status_code, 200)
        self.assert_in_response("Zulip analytics for", result)


class TestGetChartData(ZulipTestCase):
    def setUp(self) -> None:
        super().setUp()
        self.realm = get_realm("zulip")
        self.user = self.example_user("hamlet")
        self.login_user(self.user)
        self.end_times_hour = [
            ceiling_to_hour(self.realm.date_created) + timedelta(hours=i) for i in range(4)
        ]
        self.end_times_day = [
            ceiling_to_day(self.realm.date_created) + timedelta(days=i) for i in range(4)
        ]

    def data(self, i: int) -> List[int]:
        return [0, 0, i, 0]

    def insert_data(
        self, stat: CountStat, realm_subgroups: List[Optional[str]], user_subgroups: List[str]
    ) -> None:
        if stat.frequency == CountStat.HOUR:
            insert_time = self.end_times_hour[2]
            fill_time = self.end_times_hour[-1]
        if stat.frequency == CountStat.DAY:
            insert_time = self.end_times_day[2]
            fill_time = self.end_times_day[-1]

        RealmCount.objects.bulk_create(
            RealmCount(
                property=stat.property,
                subgroup=subgroup,
                end_time=insert_time,
                value=100 + i,
                realm=self.realm,
            )
            for i, subgroup in enumerate(realm_subgroups)
        )
        UserCount.objects.bulk_create(
            UserCount(
                property=stat.property,
                subgroup=subgroup,
                end_time=insert_time,
                value=200 + i,
                realm=self.realm,
                user=self.user,
            )
            for i, subgroup in enumerate(user_subgroups)
        )
        FillState.objects.create(property=stat.property, end_time=fill_time, state=FillState.DONE)

    def test_number_of_humans(self) -> None:
        stat = COUNT_STATS["realm_active_humans::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["1day_actives::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["active_users_audit:is_bot:day"]
        self.insert_data(stat, ["false"], [])
        result = self.client_get("/json/analytics/chart_data", {"chart_name": "number_of_humans"})
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data,
            {
                "msg": "",
                "end_times": [datetime_to_timestamp(dt) for dt in self.end_times_day],
                "frequency": CountStat.DAY,
                "everyone": {
                    "_1day": self.data(100),
                    "_15day": self.data(100),
                    "all_time": self.data(100),
                },
                "display_order": None,
                "result": "success",
            },
        )

    def test_messages_sent_over_time(self) -> None:
        stat = COUNT_STATS["messages_sent:is_bot:hour"]
        self.insert_data(stat, ["true", "false"], ["false"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data,
            {
                "msg": "",
                "end_times": [datetime_to_timestamp(dt) for dt in self.end_times_hour],
                "frequency": CountStat.HOUR,
                "everyone": {"bot": self.data(100), "human": self.data(101)},
                "user": {"bot": self.data(0), "human": self.data(200)},
                "display_order": None,
                "result": "success",
            },
        )

    def test_messages_sent_by_message_type(self) -> None:
        stat = COUNT_STATS["messages_sent:message_type:day"]
        self.insert_data(
            stat, ["public_stream", "private_message"], ["public_stream", "private_stream"]
        )
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_by_message_type"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data,
            {
                "msg": "",
                "end_times": [datetime_to_timestamp(dt) for dt in self.end_times_day],
                "frequency": CountStat.DAY,
                "everyone": {
                    "Public streams": self.data(100),
                    "Private streams": self.data(0),
                    "Private messages": self.data(101),
                    "Group private messages": self.data(0),
                },
                "user": {
                    "Public streams": self.data(200),
                    "Private streams": self.data(201),
                    "Private messages": self.data(0),
                    "Group private messages": self.data(0),
                },
                "display_order": [
                    "Private messages",
                    "Public streams",
                    "Private streams",
                    "Group private messages",
                ],
                "result": "success",
            },
        )

    def test_messages_sent_by_client(self) -> None:
        stat = COUNT_STATS["messages_sent:client:day"]
        client1 = Client.objects.create(name="client 1")
        client2 = Client.objects.create(name="client 2")
        client3 = Client.objects.create(name="client 3")
        client4 = Client.objects.create(name="client 4")
        self.insert_data(stat, [client4.id, client3.id, client2.id], [client3.id, client1.id])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_by_client"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data,
            {
                "msg": "",
                "end_times": [datetime_to_timestamp(dt) for dt in self.end_times_day],
                "frequency": CountStat.DAY,
                "everyone": {
                    "client 4": self.data(100),
                    "client 3": self.data(101),
                    "client 2": self.data(102),
                },
                "user": {"client 3": self.data(200), "client 1": self.data(201)},
                "display_order": ["client 1", "client 2", "client 3", "client 4"],
                "result": "success",
            },
        )

    def test_messages_read_over_time(self) -> None:
        stat = COUNT_STATS["messages_read::hour"]
        self.insert_data(stat, [None], [])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_read_over_time"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data,
            {
                "msg": "",
                "end_times": [datetime_to_timestamp(dt) for dt in self.end_times_hour],
                "frequency": CountStat.HOUR,
                "everyone": {"read": self.data(100)},
                "user": {"read": self.data(0)},
                "display_order": None,
                "result": "success",
            },
        )

    def test_include_empty_subgroups(self) -> None:
        FillState.objects.create(
            property="realm_active_humans::day",
            end_time=self.end_times_day[0],
            state=FillState.DONE,
        )
        result = self.client_get("/json/analytics/chart_data", {"chart_name": "number_of_humans"})
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(data["everyone"], {"_1day": [0], "_15day": [0], "all_time": [0]})
        self.assertFalse("user" in data)

        FillState.objects.create(
            property="messages_sent:is_bot:hour",
            end_time=self.end_times_hour[0],
            state=FillState.DONE,
        )
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(data["everyone"], {"human": [0], "bot": [0]})
        self.assertEqual(data["user"], {"human": [0], "bot": [0]})

        FillState.objects.create(
            property="messages_sent:message_type:day",
            end_time=self.end_times_day[0],
            state=FillState.DONE,
        )
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_by_message_type"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data["everyone"],
            {
                "Public streams": [0],
                "Private streams": [0],
                "Private messages": [0],
                "Group private messages": [0],
            },
        )
        self.assertEqual(
            data["user"],
            {
                "Public streams": [0],
                "Private streams": [0],
                "Private messages": [0],
                "Group private messages": [0],
            },
        )

        FillState.objects.create(
            property="messages_sent:client:day",
            end_time=self.end_times_day[0],
            state=FillState.DONE,
        )
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_by_client"}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(data["everyone"], {})
        self.assertEqual(data["user"], {})

    def test_start_and_end(self) -> None:
        stat = COUNT_STATS["realm_active_humans::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["1day_actives::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["active_users_audit:is_bot:day"]
        self.insert_data(stat, ["false"], [])
        end_time_timestamps = [datetime_to_timestamp(dt) for dt in self.end_times_day]

        # valid start and end
        result = self.client_get(
            "/json/analytics/chart_data",
            {
                "chart_name": "number_of_humans",
                "start": end_time_timestamps[1],
                "end": end_time_timestamps[2],
            },
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(data["end_times"], end_time_timestamps[1:3])
        self.assertEqual(
            data["everyone"], {"_1day": [0, 100], "_15day": [0, 100], "all_time": [0, 100]}
        )

        # start later then end
        result = self.client_get(
            "/json/analytics/chart_data",
            {
                "chart_name": "number_of_humans",
                "start": end_time_timestamps[2],
                "end": end_time_timestamps[1],
            },
        )
        self.assert_json_error_contains(result, "Start time is later than")

    def test_min_length(self) -> None:
        stat = COUNT_STATS["realm_active_humans::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["1day_actives::day"]
        self.insert_data(stat, [None], [])
        stat = COUNT_STATS["active_users_audit:is_bot:day"]
        self.insert_data(stat, ["false"], [])
        # test min_length is too short to change anything
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "number_of_humans", "min_length": 2}
        )
        self.assert_json_success(result)
        data = result.json()
        self.assertEqual(
            data["end_times"], [datetime_to_timestamp(dt) for dt in self.end_times_day]
        )
        self.assertEqual(
            data["everyone"],
            {"_1day": self.data(100), "_15day": self.data(100), "all_time": self.data(100)},
        )
        # test min_length larger than filled data
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "number_of_humans", "min_length": 5}
        )
        self.assert_json_success(result)
        data = result.json()
        end_times = [
            ceiling_to_day(self.realm.date_created) + timedelta(days=i) for i in range(-1, 4)
        ]
        self.assertEqual(data["end_times"], [datetime_to_timestamp(dt) for dt in end_times])
        self.assertEqual(
            data["everyone"],
            {
                "_1day": [0, *self.data(100)],
                "_15day": [0, *self.data(100)],
                "all_time": [0, *self.data(100)],
            },
        )

    def test_non_existent_chart(self) -> None:
        result = self.client_get("/json/analytics/chart_data", {"chart_name": "does_not_exist"})
        self.assert_json_error_contains(result, "Unknown chart name")

    def test_analytics_not_running(self) -> None:
        realm = get_realm("zulip")

        self.assertEqual(FillState.objects.count(), 0)

        realm.date_created = timezone_now() - timedelta(days=3)
        realm.save(update_fields=["date_created"])
        with self.assertLogs(level="WARNING") as m:
            result = self.client_get(
                "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
            )
            self.assertEqual(
                m.output,
                [
                    f"WARNING:root:User from realm zulip attempted to access /stats, but the computed start time: {realm.date_created} (creation of realm or installation) is later than the computed end time: 0001-01-01 00:00:00+00:00 (last successful analytics update). Is the analytics cron job running?"
                ],
            )

        self.assert_json_error_contains(result, "No analytics data available")

        realm.date_created = timezone_now() - timedelta(days=1, hours=2)
        realm.save(update_fields=["date_created"])
        with self.assertLogs(level="WARNING") as m:
            result = self.client_get(
                "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
            )
            self.assertEqual(
                m.output,
                [
                    f"WARNING:root:User from realm zulip attempted to access /stats, but the computed start time: {realm.date_created} (creation of realm or installation) is later than the computed end time: 0001-01-01 00:00:00+00:00 (last successful analytics update). Is the analytics cron job running?"
                ],
            )

        self.assert_json_error_contains(result, "No analytics data available")

        realm.date_created = timezone_now() - timedelta(days=1, minutes=10)
        realm.save(update_fields=["date_created"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)

        realm.date_created = timezone_now() - timedelta(hours=10)
        realm.save(update_fields=["date_created"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)

        end_time = timezone_now() - timedelta(days=5)
        fill_state = FillState.objects.create(
            property="messages_sent:is_bot:hour", end_time=end_time, state=FillState.DONE
        )

        realm.date_created = timezone_now() - timedelta(days=3)
        realm.save(update_fields=["date_created"])
        with self.assertLogs(level="WARNING") as m:
            result = self.client_get(
                "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
            )
            self.assertEqual(
                m.output,
                [
                    f"WARNING:root:User from realm zulip attempted to access /stats, but the computed start time: {realm.date_created} (creation of realm or installation) is later than the computed end time: {end_time} (last successful analytics update). Is the analytics cron job running?"
                ],
            )

        self.assert_json_error_contains(result, "No analytics data available")

        realm.date_created = timezone_now() - timedelta(days=1, minutes=10)
        realm.save(update_fields=["date_created"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)

        end_time = timezone_now() - timedelta(days=2)
        fill_state.end_time = end_time
        fill_state.save(update_fields=["end_time"])

        realm.date_created = timezone_now() - timedelta(days=3)
        realm.save(update_fields=["date_created"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)

        realm.date_created = timezone_now() - timedelta(days=1, hours=2)
        realm.save(update_fields=["date_created"])
        with self.assertLogs(level="WARNING") as m:
            result = self.client_get(
                "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
            )
            self.assertEqual(
                m.output,
                [
                    f"WARNING:root:User from realm zulip attempted to access /stats, but the computed start time: {realm.date_created} (creation of realm or installation) is later than the computed end time: {end_time} (last successful analytics update). Is the analytics cron job running?"
                ],
            )

        self.assert_json_error_contains(result, "No analytics data available")

        realm.date_created = timezone_now() - timedelta(days=1, minutes=10)
        realm.save(update_fields=["date_created"])
        result = self.client_get(
            "/json/analytics/chart_data", {"chart_name": "messages_sent_over_time"}
        )
        self.assert_json_success(result)

    def test_get_chart_data_for_realm(self) -> None:
        user = self.example_user("hamlet")
        self.login_user(user)

        result = self.client_get(
            "/json/analytics/chart_data/realm/zulip", {"chart_name": "number_of_humans"}
        )
        self.assert_json_error(result, "Must be an server administrator", 400)

        user = self.example_user("hamlet")
        user.is_staff = True
        user.save(update_fields=["is_staff"])
        stat = COUNT_STATS["realm_active_humans::day"]
        self.insert_data(stat, [None], [])

        result = self.client_get(
            "/json/analytics/chart_data/realm/not_existing_realm",
            {"chart_name": "number_of_humans"},
        )
        self.assert_json_error(result, "Invalid organization", 400)

        result = self.client_get(
            "/json/analytics/chart_data/realm/zulip", {"chart_name": "number_of_humans"}
        )
        self.assert_json_success(result)

    def test_get_chart_data_for_installation(self) -> None:
        user = self.example_user("hamlet")
        self.login_user(user)

        result = self.client_get(
            "/json/analytics/chart_data/installation", {"chart_name": "number_of_humans"}
        )
        self.assert_json_error(result, "Must be an server administrator", 400)

        user = self.example_user("hamlet")
        user.is_staff = True
        user.save(update_fields=["is_staff"])
        stat = COUNT_STATS["realm_active_humans::day"]
        self.insert_data(stat, [None], [])

        result = self.client_get(
            "/json/analytics/chart_data/installation", {"chart_name": "number_of_humans"}
        )
        self.assert_json_success(result)


class TestSupportEndpoint(ZulipTestCase):
    def test_search(self) -> None:
        reset_emails_in_zulip_realm()

        def assert_user_details_in_html_response(
            html_response: str, full_name: str, email: str, role: str
        ) -> None:
            self.assert_in_success_response(
                [
                    '<span class="label">user</span>\n',
                    f"<h3>{full_name}</h3>",
                    f"<b>Email</b>: {email}",
                    "<b>Is active</b>: True<br />",
                    f"<b>Role</b>: {role}<br />",
                ],
                html_response,
            )

        def check_hamlet_user_query_result(result: HttpResponse) -> None:
            assert_user_details_in_html_response(
                result, "King Hamlet", self.example_email("hamlet"), "Member"
            )
            self.assert_in_success_response(
                [
                    f"<b>Admins</b>: {self.example_email('iago')}\n",
                    f"<b>Owners</b>: {self.example_email('desdemona')}\n",
                    'class="copy-button" data-copytext="{}">'.format(self.example_email("iago")),
                    'class="copy-button" data-copytext="{}">'.format(
                        self.example_email("desdemona")
                    ),
                ],
                result,
            )

        def check_othello_user_query_result(result: HttpResponse) -> None:
            assert_user_details_in_html_response(
                result, "Othello, the Moor of Venice", self.example_email("othello"), "Member"
            )

        def check_polonius_user_query_result(result: HttpResponse) -> None:
            assert_user_details_in_html_response(
                result, "Polonius", self.example_email("polonius"), "Guest"
            )

        def check_zulip_realm_query_result(result: HttpResponse) -> None:
            zulip_realm = get_realm("zulip")
            first_human_user = zulip_realm.get_first_human_user()
            assert first_human_user is not None
            self.assert_in_success_response(
                [
                    f"<b>First human user</b>: {first_human_user.delivery_email}\n",
                    f'<input type="hidden" name="realm_id" value="{zulip_realm.id}"',
                    "Zulip Dev</h3>",
                    '<option value="1" selected>Self hosted</option>',
                    '<option value="2" >Limited</option>',
                    'input type="number" name="discount" value="None"',
                    '<option value="active" selected>Active</option>',
                    '<option value="deactivated" >Deactivated</option>',
                    'scrub-realm-button">',
                    'data-string-id="zulip"',
                ],
                result,
            )

        def check_lear_realm_query_result(result: HttpResponse) -> None:
            lear_realm = get_realm("lear")
            self.assert_in_success_response(
                [
                    f'<input type="hidden" name="realm_id" value="{lear_realm.id}"',
                    "Lear &amp; Co.</h3>",
                    '<option value="1" selected>Self hosted</option>',
                    '<option value="2" >Limited</option>',
                    'input type="number" name="discount" value="None"',
                    '<option value="active" selected>Active</option>',
                    '<option value="deactivated" >Deactivated</option>',
                    'scrub-realm-button">',
                    'data-string-id="lear"',
                    "<b>Name</b>: Zulip Standard",
                    "<b>Status</b>: Active",
                    "<b>Billing schedule</b>: Annual",
                    "<b>Licenses</b>: 2/10 (Manual)",
                    "<b>Price per license</b>: $80.0",
                    "<b>Next invoice date</b>: 02 January 2017",
                    '<option value="send_invoice" selected>',
                    '<option value="charge_automatically" >',
                ],
                result,
            )

        def check_preregistration_user_query_result(
            result: HttpResponse, email: str, invite: bool = False
        ) -> None:
            self.assert_in_success_response(
                [
                    '<span class="label">preregistration user</span>\n',
                    f"<b>Email</b>: {email}",
                ],
                result,
            )
            if invite:
                self.assert_in_success_response(['<span class="label">invite</span>'], result)
                self.assert_in_success_response(
                    [
                        "<b>Expires in</b>: 1\xa0week, 3\xa0days",
                        "<b>Status</b>: Link has never been clicked",
                    ],
                    result,
                )
                self.assert_in_success_response([], result)
            else:
                self.assert_not_in_success_response(['<span class="label">invite</span>'], result)
                self.assert_in_success_response(
                    [
                        "<b>Expires in</b>: 1\xa0day",
                        "<b>Status</b>: Link has never been clicked",
                    ],
                    result,
                )

        def check_realm_creation_query_result(result: HttpResponse, email: str) -> None:
            self.assert_in_success_response(
                [
                    '<span class="label">preregistration user</span>\n',
                    '<span class="label">realm creation</span>\n',
                    "<b>Link</b>: http://testserver/accounts/do_confirm/",
                    "<b>Expires in</b>: 1\xa0day",
                ],
                result,
            )

        def check_multiuse_invite_link_query_result(result: HttpResponse) -> None:
            self.assert_in_success_response(
                [
                    '<span class="label">multiuse invite</span>\n',
                    "<b>Link</b>: http://zulip.testserver/join/",
                    "<b>Expires in</b>: 1\xa0week, 3\xa0days",
                ],
                result,
            )

        def check_realm_reactivation_link_query_result(result: HttpResponse) -> None:
            self.assert_in_success_response(
                [
                    '<span class="label">realm reactivation</span>\n',
                    "<b>Link</b>: http://zulip.testserver/reactivate/",
                    "<b>Expires in</b>: 1\xa0day",
                ],
                result,
            )

        self.login("cordelia")

        result = self.client_get("/activity/support")
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        self.login("iago")

        do_set_realm_property(
            get_realm("zulip"),
            "email_address_visibility",
            Realm.EMAIL_ADDRESS_VISIBILITY_NOBODY,
            acting_user=None,
        )

        customer = Customer.objects.create(realm=get_realm("lear"), stripe_customer_id="cus_123")
        now = datetime(2016, 1, 2, tzinfo=timezone.utc)
        plan = CustomerPlan.objects.create(
            customer=customer,
            billing_cycle_anchor=now,
            billing_schedule=CustomerPlan.ANNUAL,
            tier=CustomerPlan.STANDARD,
            price_per_license=8000,
            next_invoice_date=add_months(now, 12),
        )
        LicenseLedger.objects.create(
            licenses=10,
            licenses_at_next_renewal=10,
            event_time=timezone_now(),
            is_renewal=True,
            plan=plan,
        )

        result = self.client_get("/activity/support")
        self.assert_in_success_response(
            ['<input type="text" name="q" class="input-xxlarge search-query"'], result
        )

        result = self.client_get("/activity/support", {"q": self.example_email("hamlet")})
        check_hamlet_user_query_result(result)
        check_zulip_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": self.example_email("polonius")})
        check_polonius_user_query_result(result)
        check_zulip_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "lear"})
        check_lear_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "http://lear.testserver"})
        check_lear_realm_query_result(result)

        with self.settings(REALM_HOSTS={"zulip": "localhost"}):
            result = self.client_get("/activity/support", {"q": "http://localhost"})
            check_zulip_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "hamlet@zulip.com, lear"})
        check_hamlet_user_query_result(result)
        check_zulip_realm_query_result(result)
        check_lear_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "King hamlet,lear"})
        check_hamlet_user_query_result(result)
        check_zulip_realm_query_result(result)
        check_lear_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "Othello, the Moor of Venice"})
        check_othello_user_query_result(result)
        check_zulip_realm_query_result(result)

        result = self.client_get("/activity/support", {"q": "lear, Hamlet <hamlet@zulip.com>"})
        check_hamlet_user_query_result(result)
        check_zulip_realm_query_result(result)
        check_lear_realm_query_result(result)

        with mock.patch(
            "analytics.views.timezone_now", return_value=timezone_now() - timedelta(minutes=50)
        ):
            self.client_post("/accounts/home/", {"email": self.nonreg_email("test")})
            self.login("iago")
            result = self.client_get("/activity/support", {"q": self.nonreg_email("test")})
            check_preregistration_user_query_result(result, self.nonreg_email("test"))
            check_zulip_realm_query_result(result)

            stream_ids = [self.get_stream_id("Denmark")]
            invitee_emails = [self.nonreg_email("test1")]
            self.client_post(
                "/json/invites",
                {
                    "invitee_emails": invitee_emails,
                    "stream_ids": orjson.dumps(stream_ids).decode(),
                    "invite_as": PreregistrationUser.INVITE_AS["MEMBER"],
                },
            )
            result = self.client_get("/activity/support", {"q": self.nonreg_email("test1")})
            check_preregistration_user_query_result(result, self.nonreg_email("test1"), invite=True)
            check_zulip_realm_query_result(result)

            email = self.nonreg_email("alice")
            self.client_post("/new/", {"email": email})
            result = self.client_get("/activity/support", {"q": email})
            check_realm_creation_query_result(result, email)

            do_create_multiuse_invite_link(self.example_user("hamlet"), invited_as=1)
            result = self.client_get("/activity/support", {"q": "zulip"})
            check_multiuse_invite_link_query_result(result)
            check_zulip_realm_query_result(result)
            MultiuseInvite.objects.all().delete()

            do_send_realm_reactivation_email(get_realm("zulip"), acting_user=None)
            result = self.client_get("/activity/support", {"q": "zulip"})
            check_realm_reactivation_link_query_result(result)
            check_zulip_realm_query_result(result)

    @mock.patch("analytics.views.update_billing_method_of_current_plan")
    def test_change_billing_method(self, m: mock.Mock) -> None:
        cordelia = self.example_user("cordelia")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{cordelia.realm_id}", "plan_type": "2"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login_user(iago)

        result = self.client_post(
            "/activity/support",
            {"realm_id": f"{iago.realm_id}", "billing_method": "charge_automatically"},
        )
        m.assert_called_once_with(get_realm("zulip"), charge_automatically=True, acting_user=iago)
        self.assert_in_success_response(
            ["Billing method of zulip updated to charge automatically"], result
        )

        m.reset_mock()

        result = self.client_post(
            "/activity/support", {"realm_id": f"{iago.realm_id}", "billing_method": "send_invoice"}
        )
        m.assert_called_once_with(get_realm("zulip"), charge_automatically=False, acting_user=iago)
        self.assert_in_success_response(
            ["Billing method of zulip updated to pay by invoice"], result
        )

    def test_change_plan_type(self) -> None:
        cordelia = self.example_user("cordelia")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{cordelia.realm_id}", "plan_type": "2"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login_user(iago)

        with mock.patch("analytics.views.do_change_plan_type") as m:
            result = self.client_post(
                "/activity/support", {"realm_id": f"{iago.realm_id}", "plan_type": "2"}
            )
            m.assert_called_once_with(get_realm("zulip"), 2, acting_user=iago)
            self.assert_in_success_response(
                ["Plan type of zulip changed from self hosted to limited"], result
            )

    def test_attach_discount(self) -> None:
        cordelia = self.example_user("cordelia")
        lear_realm = get_realm("lear")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "discount": "25"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login("iago")

        with mock.patch("analytics.views.attach_discount_to_realm") as m:
            result = self.client_post(
                "/activity/support", {"realm_id": f"{lear_realm.id}", "discount": "25"}
            )
            m.assert_called_once_with(get_realm("lear"), 25, acting_user=iago)
            self.assert_in_success_response(["Discount of lear changed to 25% from 0%"], result)

    def test_change_sponsorship_status(self) -> None:
        lear_realm = get_realm("lear")
        self.assertIsNone(get_customer_by_realm(lear_realm))

        cordelia = self.example_user("cordelia")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "sponsorship_pending": "true"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login_user(iago)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "sponsorship_pending": "true"}
        )
        self.assert_in_success_response(["lear marked as pending sponsorship."], result)
        customer = get_customer_by_realm(lear_realm)
        assert customer is not None
        self.assertTrue(customer.sponsorship_pending)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "sponsorship_pending": "false"}
        )
        self.assert_in_success_response(["lear is no longer pending sponsorship."], result)
        customer = get_customer_by_realm(lear_realm)
        assert customer is not None
        self.assertFalse(customer.sponsorship_pending)

    def test_approve_sponsorship(self) -> None:
        lear_realm = get_realm("lear")
        update_sponsorship_status(lear_realm, True, acting_user=None)
        king_user = self.lear_user("king")
        king_user.role = UserProfile.ROLE_REALM_OWNER
        king_user.save()

        cordelia = self.example_user("cordelia")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support",
            {"realm_id": f"{lear_realm.id}", "approve_sponsorship": "approve_sponsorship"},
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login_user(iago)

        result = self.client_post(
            "/activity/support",
            {"realm_id": f"{lear_realm.id}", "approve_sponsorship": "approve_sponsorship"},
        )
        self.assert_in_success_response(["Sponsorship approved for lear"], result)
        lear_realm.refresh_from_db()
        self.assertEqual(lear_realm.plan_type, Realm.STANDARD_FREE)
        customer = get_customer_by_realm(lear_realm)
        assert customer is not None
        self.assertFalse(customer.sponsorship_pending)
        messages = UserMessage.objects.filter(user_profile=king_user)
        self.assertIn(
            "request for sponsored hosting has been approved", messages[0].message.content
        )
        self.assert_length(messages, 1)

    def test_activate_or_deactivate_realm(self) -> None:
        cordelia = self.example_user("cordelia")
        lear_realm = get_realm("lear")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "status": "deactivated"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        self.login("iago")

        with mock.patch("analytics.views.do_deactivate_realm") as m:
            result = self.client_post(
                "/activity/support", {"realm_id": f"{lear_realm.id}", "status": "deactivated"}
            )
            m.assert_called_once_with(lear_realm, acting_user=self.example_user("iago"))
            self.assert_in_success_response(["lear deactivated"], result)

        with mock.patch("analytics.views.do_send_realm_reactivation_email") as m:
            result = self.client_post(
                "/activity/support", {"realm_id": f"{lear_realm.id}", "status": "active"}
            )
            m.assert_called_once_with(lear_realm, acting_user=self.example_user("iago"))
            self.assert_in_success_response(
                ["Realm reactivation email sent to admins of lear"], result
            )

    def test_change_subdomain(self) -> None:
        cordelia = self.example_user("cordelia")
        lear_realm = get_realm("lear")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "new_subdomain": "new_name"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")
        self.login("iago")

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "new_subdomain": "new-name"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/activity/support?q=new-name")
        realm_id = lear_realm.id
        lear_realm = get_realm("new-name")
        self.assertEqual(lear_realm.id, realm_id)
        self.assertTrue(Realm.objects.filter(string_id="lear").exists())
        self.assertTrue(Realm.objects.filter(string_id="lear")[0].deactivated)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "new_subdomain": "new-name"}
        )
        self.assert_in_success_response(
            ["Subdomain unavailable. Please choose a different one."], result
        )

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "new_subdomain": "zulip"}
        )
        self.assert_in_success_response(
            ["Subdomain unavailable. Please choose a different one."], result
        )

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "new_subdomain": "lear"}
        )
        self.assert_in_success_response(
            ["Subdomain unavailable. Please choose a different one."], result
        )

    def test_downgrade_realm(self) -> None:
        cordelia = self.example_user("cordelia")
        self.login_user(cordelia)
        result = self.client_post(
            "/activity/support", {"realm_id": f"{cordelia.realm_id}", "plan_type": "2"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        iago = self.example_user("iago")
        self.login_user(iago)

        with mock.patch("analytics.views.downgrade_at_the_end_of_billing_cycle") as m:
            result = self.client_post(
                "/activity/support",
                {
                    "realm_id": f"{iago.realm_id}",
                    "downgrade_method": "downgrade_at_billing_cycle_end",
                },
            )
            m.assert_called_once_with(get_realm("zulip"))
            self.assert_in_success_response(
                ["zulip marked for downgrade at the end of billing cycle"], result
            )

        with mock.patch("analytics.views.downgrade_now_without_creating_additional_invoices") as m:
            result = self.client_post(
                "/activity/support",
                {
                    "realm_id": f"{iago.realm_id}",
                    "downgrade_method": "downgrade_now_without_additional_licenses",
                },
            )
            m.assert_called_once_with(get_realm("zulip"))
            self.assert_in_success_response(
                ["zulip downgraded without creating additional invoices"], result
            )

        with mock.patch("analytics.views.downgrade_now_without_creating_additional_invoices") as m1:
            with mock.patch("analytics.views.void_all_open_invoices", return_value=1) as m2:
                result = self.client_post(
                    "/activity/support",
                    {
                        "realm_id": f"{iago.realm_id}",
                        "downgrade_method": "downgrade_now_void_open_invoices",
                    },
                )
                m1.assert_called_once_with(get_realm("zulip"))
                m2.assert_called_once_with(get_realm("zulip"))
                self.assert_in_success_response(
                    ["zulip downgraded and voided 1 open invoices"], result
                )

    def test_scrub_realm(self) -> None:
        cordelia = self.example_user("cordelia")
        lear_realm = get_realm("lear")
        self.login_user(cordelia)

        result = self.client_post(
            "/activity/support", {"realm_id": f"{lear_realm.id}", "discount": "25"}
        )
        self.assertEqual(result.status_code, 302)
        self.assertEqual(result["Location"], "/login/")

        self.login("iago")

        with mock.patch("analytics.views.do_scrub_realm") as m:
            result = self.client_post(
                "/activity/support", {"realm_id": f"{lear_realm.id}", "scrub_realm": "scrub_realm"}
            )
            m.assert_called_once_with(lear_realm, acting_user=self.example_user("iago"))
            self.assert_in_success_response(["lear scrubbed"], result)

        with mock.patch("analytics.views.do_scrub_realm") as m:
            result = self.client_post("/activity/support", {"realm_id": f"{lear_realm.id}"})
            self.assert_json_error(result, "Invalid parameters")
            m.assert_not_called()


class TestGetChartDataHelpers(ZulipTestCase):
    def test_sort_by_totals(self) -> None:
        empty: List[int] = []
        value_arrays = {"c": [0, 1], "a": [9], "b": [1, 1, 1], "d": empty}
        self.assertEqual(sort_by_totals(value_arrays), ["a", "b", "c", "d"])

    def test_sort_client_labels(self) -> None:
        data = {
            "everyone": {"a": [16], "c": [15], "b": [14], "e": [13], "d": [12], "h": [11]},
            "user": {"a": [6], "b": [5], "d": [4], "e": [3], "f": [2], "g": [1]},
        }
        self.assertEqual(sort_client_labels(data), ["a", "b", "c", "d", "e", "f", "g", "h"])


class TestTimeRange(ZulipTestCase):
    def test_time_range(self) -> None:
        HOUR = timedelta(hours=1)
        DAY = timedelta(days=1)

        a_time = datetime(2016, 3, 14, 22, 59, tzinfo=timezone.utc)
        floor_hour = datetime(2016, 3, 14, 22, tzinfo=timezone.utc)
        floor_day = datetime(2016, 3, 14, tzinfo=timezone.utc)

        # test start == end
        self.assertEqual(time_range(a_time, a_time, CountStat.HOUR, None), [])
        self.assertEqual(time_range(a_time, a_time, CountStat.DAY, None), [])
        # test start == end == boundary, and min_length == 0
        self.assertEqual(time_range(floor_hour, floor_hour, CountStat.HOUR, 0), [floor_hour])
        self.assertEqual(time_range(floor_day, floor_day, CountStat.DAY, 0), [floor_day])
        # test start and end on different boundaries
        self.assertEqual(
            time_range(floor_hour, floor_hour + HOUR, CountStat.HOUR, None),
            [floor_hour, floor_hour + HOUR],
        )
        self.assertEqual(
            time_range(floor_day, floor_day + DAY, CountStat.DAY, None),
            [floor_day, floor_day + DAY],
        )
        # test min_length
        self.assertEqual(
            time_range(floor_hour, floor_hour + HOUR, CountStat.HOUR, 4),
            [floor_hour - 2 * HOUR, floor_hour - HOUR, floor_hour, floor_hour + HOUR],
        )
        self.assertEqual(
            time_range(floor_day, floor_day + DAY, CountStat.DAY, 4),
            [floor_day - 2 * DAY, floor_day - DAY, floor_day, floor_day + DAY],
        )


class TestMapArrays(ZulipTestCase):
    def test_map_arrays(self) -> None:
        a = {
            "desktop app 1.0": [1, 2, 3],
            "desktop app 2.0": [10, 12, 13],
            "desktop app 3.0": [21, 22, 23],
            "website": [1, 2, 3],
            "ZulipiOS": [1, 2, 3],
            "ZulipElectron": [2, 5, 7],
            "ZulipMobile": [1, 5, 7],
            "ZulipPython": [1, 2, 3],
            "API: Python": [1, 2, 3],
            "SomethingRandom": [4, 5, 6],
            "ZulipGitHubWebhook": [7, 7, 9],
            "ZulipAndroid": [64, 63, 65],
        }
        result = rewrite_client_arrays(a)
        self.assertEqual(
            result,
            {
                "Old desktop app": [32, 36, 39],
                "Old iOS app": [1, 2, 3],
                "Desktop app": [2, 5, 7],
                "Mobile app": [1, 5, 7],
                "Website": [1, 2, 3],
                "Python API": [2, 4, 6],
                "SomethingRandom": [4, 5, 6],
                "GitHub webhook": [7, 7, 9],
                "Old Android app": [64, 63, 65],
            },
        )