import uuid
from datetime import datetime

import pytest
from freezegun import freeze_time
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm.exc import NoResultFound

from app import db
from app.dao.inbound_numbers_dao import (
    dao_set_inbound_number_to_service,
    dao_get_available_inbound_numbers,
    dao_set_inbound_number_active_flag
)
from app.dao.service_permissions_dao import dao_add_service_permission, dao_remove_service_permission
from app.dao.services_dao import (
    dao_create_service,
    dao_add_user_to_service,
    dao_remove_user_from_service,
    dao_fetch_all_services,
    dao_fetch_service_by_id,
    dao_fetch_all_services_by_user,
    dao_update_service,
    delete_service_and_all_associated_db_objects,
    dao_fetch_stats_for_service,
    dao_fetch_todays_stats_for_service,
    fetch_todays_total_message_count,
    dao_fetch_todays_stats_for_all_services,
    dao_suspend_service,
    dao_resume_service,
    dao_fetch_active_users_for_service,
    dao_fetch_service_by_inbound_number,
)
from app.dao.service_user_dao import dao_get_service_user, dao_update_service_user
from app.dao.users_dao import save_model_user, create_user_code
from app.models import (
    VerifyCode,
    ApiKey,
    Template,
    TemplateHistory,
    Job,
    Notification,
    NotificationHistory,
    Permission,
    User,
    InvitedUser,
    Service,
    ServicePermission,
    ServiceUser,
    KEY_TYPE_NORMAL,
    KEY_TYPE_TEAM,
    KEY_TYPE_TEST,
    EMAIL_TYPE,
    SMS_TYPE,
    INTERNATIONAL_SMS_TYPE,
    LETTER_TYPE,
    user_folder_permissions,
)
from tests.app.db import (
    create_inbound_number,
    create_user,
    create_service,
    create_service_with_inbound_number,
    create_service_with_defined_sms_sender,
    create_template,
    create_template_folder,
    create_notification,
    create_api_key,
    create_invited_user,
    create_letter_branding,
)


def test_should_have_decorated_services_dao_functions():
    assert dao_fetch_todays_stats_for_service.__wrapped__.__name__ == 'dao_fetch_todays_stats_for_service'  # noqa
    assert dao_fetch_stats_for_service.__wrapped__.__name__ == 'dao_fetch_stats_for_service'  # noqa


def test_create_service(notify_db_session):
    user = create_user()
    create_letter_branding()
    assert Service.query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      organisation_type='central',
                      created_by=user)
    dao_create_service(service, user)
    assert Service.query.count() == 1
    service_db = Service.query.one()
    assert service_db.name == "service_name"
    assert service_db.id == service.id
    assert service_db.email_from == 'email_from'
    assert service_db.research_mode is False
    assert service_db.prefix_sms is True
    assert service.active is True
    assert user in service_db.users
    assert service_db.organisation_type == 'central'
    assert service_db.crown is True
    assert not service.letter_branding


def test_create_service_with_letter_branding(notify_db_session):
    user = create_user()
    create_letter_branding()
    letter_branding = create_letter_branding(
        name='test domain', filename='test-domain', domain='test.domain'
    )
    assert Service.query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      organisation_type='central',
                      created_by=user)
    dao_create_service(service, user, letter_branding=letter_branding)
    assert Service.query.count() == 1
    service_db = Service.query.one()
    assert service_db.id == service.id
    assert service.letter_branding == letter_branding


def test_cannot_create_two_services_with_same_name(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    service1 = Service(name="service_name",
                       email_from="email_from1",
                       message_limit=1000,
                       restricted=False,
                       created_by=user, )

    service2 = Service(name="service_name",
                       email_from="email_from2",
                       message_limit=1000,
                       restricted=False,
                       created_by=user)
    with pytest.raises(IntegrityError) as excinfo:
        dao_create_service(service1, user)
        dao_create_service(service2, user)
    assert 'duplicate key value violates unique constraint "services_name_key"' in str(excinfo.value)


def test_cannot_create_two_services_with_same_email_from(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    service1 = Service(name="service_name1",
                       email_from="email_from",
                       message_limit=1000,
                       restricted=False,
                       created_by=user)
    service2 = Service(name="service_name2",
                       email_from="email_from",
                       message_limit=1000,
                       restricted=False,
                       created_by=user)
    with pytest.raises(IntegrityError) as excinfo:
        dao_create_service(service1, user)
        dao_create_service(service2, user)
    assert 'duplicate key value violates unique constraint "services_email_from_key"' in str(excinfo.value)


def test_cannot_create_service_with_no_user(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    with pytest.raises(ValueError) as excinfo:
        dao_create_service(service, None)
    assert "Can't create a service without a user" in str(excinfo.value)


def test_should_add_user_to_service(notify_db_session):
    user = create_user()
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    dao_create_service(service, user)
    assert user in Service.query.first().users
    new_user = User(
        name='Test User',
        email_address='new_user@digital.cabinet-office.gov.uk',
        password='password',
        mobile_number='+447700900986'
    )
    save_model_user(new_user)
    dao_add_user_to_service(service, new_user)
    assert new_user in Service.query.first().users


def test_dao_add_user_to_service_sets_folder_permissions(sample_user, sample_service):
    folder_1 = create_template_folder(sample_service)
    folder_2 = create_template_folder(sample_service)

    assert not folder_1.users
    assert not folder_2.users

    folder_permissions = [str(folder_1.id), str(folder_2.id)]

    dao_add_user_to_service(sample_service, sample_user, folder_permissions=folder_permissions)

    service_user = dao_get_service_user(user_id=sample_user.id, service_id=sample_service.id)
    assert len(service_user.folders) == 2
    assert folder_1 in service_user.folders
    assert folder_2 in service_user.folders


def test_dao_add_user_to_service_ignores_folders_which_do_not_exist_when_setting_permissions(
    sample_user,
    sample_service,
    fake_uuid
):
    valid_folder = create_template_folder(sample_service)
    folder_permissions = [fake_uuid, str(valid_folder.id)]

    dao_add_user_to_service(sample_service, sample_user, folder_permissions=folder_permissions)

    service_user = dao_get_service_user(sample_user.id, sample_service.id)

    assert service_user.folders == [valid_folder]


def test_dao_add_user_to_service_raises_error_if_adding_folder_permissions_for_a_different_service(
    sample_user,
    sample_service,
):
    other_service = create_service(service_name='other service')
    other_service_folder = create_template_folder(other_service)
    folder_permissions = [str(other_service_folder.id)]

    with pytest.raises(IntegrityError) as e:
        dao_add_user_to_service(sample_service, sample_user, folder_permissions=folder_permissions)
        assert 'insert or update on table "user_folder_permissions" violates foreign key constraint' in str(e.value)
        assert ServiceUser.query.count() == 0


def test_should_remove_user_from_service(notify_db_session):
    user = create_user()
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    dao_create_service(service, user)
    new_user = User(
        name='Test User',
        email_address='new_user@digital.cabinet-office.gov.uk',
        password='password',
        mobile_number='+447700900986'
    )
    save_model_user(new_user)
    dao_add_user_to_service(service, new_user)
    assert new_user in Service.query.first().users
    dao_remove_user_from_service(service, new_user)
    assert new_user not in Service.query.first().users


def test_removing_a_user_from_a_service_deletes_their_permissions(sample_user, sample_service):
    assert len(Permission.query.all()) == 8

    dao_remove_user_from_service(sample_service, sample_user)

    assert Permission.query.all() == []


def test_removing_a_user_from_a_service_deletes_their_folder_permissions_for_that_service(sample_user, sample_service):
    tf1 = create_template_folder(sample_service)
    tf2 = create_template_folder(sample_service)

    service_2 = create_service(sample_user, service_name='other service')
    tf3 = create_template_folder(service_2)

    service_user = dao_get_service_user(sample_user.id, sample_service.id)
    service_user.folders = [tf1, tf2]
    dao_update_service_user(service_user)

    service_2_user = dao_get_service_user(sample_user.id, service_2.id)
    service_2_user.folders = [tf3]
    dao_update_service_user(service_2_user)

    dao_remove_user_from_service(sample_service, sample_user)

    user_folder_permission = db.session.query(user_folder_permissions).one()
    assert user_folder_permission.user_id == service_2_user.user_id
    assert user_folder_permission.service_id == service_2_user.service_id
    assert user_folder_permission.template_folder_id == tf3.id


def test_get_all_services(notify_db_session):
    create_service(service_name='service 1', email_from='service.1')
    assert len(dao_fetch_all_services()) == 1
    assert dao_fetch_all_services()[0].name == 'service 1'

    create_service(service_name='service 2', email_from='service.2')
    assert len(dao_fetch_all_services()) == 2
    assert dao_fetch_all_services()[1].name == 'service 2'


def test_get_all_services_should_return_in_created_order(notify_db_session):
    create_service(service_name='service 1', email_from='service.1')
    create_service(service_name='service 2', email_from='service.2')
    create_service(service_name='service 3', email_from='service.3')
    create_service(service_name='service 4', email_from='service.4')
    assert len(dao_fetch_all_services()) == 4
    assert dao_fetch_all_services()[0].name == 'service 1'
    assert dao_fetch_all_services()[1].name == 'service 2'
    assert dao_fetch_all_services()[2].name == 'service 3'
    assert dao_fetch_all_services()[3].name == 'service 4'


def test_get_all_services_should_return_empty_list_if_no_services():
    assert len(dao_fetch_all_services()) == 0


def test_get_all_services_for_user(notify_db_session):
    user = create_user()
    create_service(service_name='service 1', user=user, email_from='service.1')
    create_service(service_name='service 2', user=user, email_from='service.2')
    create_service(service_name='service 3', user=user, email_from='service.3')
    assert len(dao_fetch_all_services_by_user(user.id)) == 3
    assert dao_fetch_all_services_by_user(user.id)[0].name == 'service 1'
    assert dao_fetch_all_services_by_user(user.id)[1].name == 'service 2'
    assert dao_fetch_all_services_by_user(user.id)[2].name == 'service 3'


def test_get_all_only_services_user_has_access_to(notify_db_session):
    user = create_user()
    create_service(service_name='service 1', user=user, email_from='service.1')
    create_service(service_name='service 2', user=user, email_from='service.2')
    service_3 = create_service(service_name='service 3', user=user, email_from='service.3')
    new_user = User(
        name='Test User',
        email_address='new_user@digital.cabinet-office.gov.uk',
        password='password',
        mobile_number='+447700900986'
    )
    save_model_user(new_user)
    dao_add_user_to_service(service_3, new_user)
    assert len(dao_fetch_all_services_by_user(user.id)) == 3
    assert dao_fetch_all_services_by_user(user.id)[0].name == 'service 1'
    assert dao_fetch_all_services_by_user(user.id)[1].name == 'service 2'
    assert dao_fetch_all_services_by_user(user.id)[2].name == 'service 3'
    assert len(dao_fetch_all_services_by_user(new_user.id)) == 1
    assert dao_fetch_all_services_by_user(new_user.id)[0].name == 'service 3'


def test_get_all_user_services_should_return_empty_list_if_no_services_for_user(notify_db_session):
    user = create_user()
    assert len(dao_fetch_all_services_by_user(user.id)) == 0


def test_get_service_by_id_returns_none_if_no_service(notify_db):
    with pytest.raises(NoResultFound) as e:
        dao_fetch_service_by_id(str(uuid.uuid4()))
    assert 'No row was found for one()' in str(e)


def test_get_service_by_id_returns_service(notify_db_session):
    service = create_service(service_name='testing', email_from='testing')
    assert dao_fetch_service_by_id(service.id).name == 'testing'


def test_create_service_returns_service_with_default_permissions(notify_db_session):
    service = create_service(service_name='testing', email_from='testing', service_permissions=None)

    service = dao_fetch_service_by_id(service.id)
    _assert_service_permissions(service.permissions, (
        SMS_TYPE, EMAIL_TYPE, LETTER_TYPE, INTERNATIONAL_SMS_TYPE,
    ))


@pytest.mark.parametrize("permission_to_remove, permissions_remaining", [
    (SMS_TYPE, (
        EMAIL_TYPE, LETTER_TYPE, INTERNATIONAL_SMS_TYPE,
    )),
    (EMAIL_TYPE, (
        SMS_TYPE, LETTER_TYPE, INTERNATIONAL_SMS_TYPE,
    )),
])
def test_remove_permission_from_service_by_id_returns_service_with_correct_permissions(
        notify_db_session, permission_to_remove, permissions_remaining
):
    service = create_service(service_permissions=None)
    dao_remove_service_permission(service_id=service.id, permission=permission_to_remove)

    service = dao_fetch_service_by_id(service.id)
    _assert_service_permissions(service.permissions, permissions_remaining)


def test_removing_all_permission_returns_service_with_no_permissions(notify_db_session):
    service = create_service()
    dao_remove_service_permission(service_id=service.id, permission=SMS_TYPE)
    dao_remove_service_permission(service_id=service.id, permission=EMAIL_TYPE)
    dao_remove_service_permission(service_id=service.id, permission=LETTER_TYPE)
    dao_remove_service_permission(service_id=service.id, permission=INTERNATIONAL_SMS_TYPE)

    service = dao_fetch_service_by_id(service.id)
    assert len(service.permissions) == 0


def test_create_service_by_id_adding_and_removing_letter_returns_service_without_letter(service_factory):
    service = service_factory.get('testing', email_from='testing')

    dao_remove_service_permission(service_id=service.id, permission=LETTER_TYPE)
    dao_add_service_permission(service_id=service.id, permission=LETTER_TYPE)

    service = dao_fetch_service_by_id(service.id)
    _assert_service_permissions(service.permissions, (
        SMS_TYPE, EMAIL_TYPE, LETTER_TYPE, INTERNATIONAL_SMS_TYPE,
    ))

    dao_remove_service_permission(service_id=service.id, permission=LETTER_TYPE)
    service = dao_fetch_service_by_id(service.id)

    _assert_service_permissions(service.permissions, (
        SMS_TYPE, EMAIL_TYPE, INTERNATIONAL_SMS_TYPE,
    ))


def test_create_service_creates_a_history_record_with_current_data(notify_db_session):
    user = create_user()
    create_letter_branding()
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    dao_create_service(service, user)
    assert Service.query.count() == 1
    assert Service.get_history_model().query.count() == 1

    service_from_db = Service.query.first()
    service_history = Service.get_history_model().query.first()

    assert service_from_db.id == service_history.id
    assert service_from_db.name == service_history.name
    assert service_from_db.version == 1
    assert service_from_db.version == service_history.version
    assert user.id == service_history.created_by_id
    assert service_from_db.created_by.id == service_history.created_by_id


def test_update_service_creates_a_history_record_with_current_data(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    dao_create_service(service, user)

    assert Service.query.count() == 1
    assert Service.query.first().version == 1
    assert Service.get_history_model().query.count() == 1

    service.name = 'updated_service_name'
    dao_update_service(service)

    assert Service.query.count() == 1
    assert Service.get_history_model().query.count() == 2

    service_from_db = Service.query.first()

    assert service_from_db.version == 2

    assert Service.get_history_model().query.filter_by(name='service_name').one().version == 1
    assert Service.get_history_model().query.filter_by(name='updated_service_name').one().version == 2


def test_update_service_permission_creates_a_history_record_with_current_data(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0
    service = Service(name="service_name",
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)
    dao_create_service(service, user, service_permissions=[
        SMS_TYPE,
        EMAIL_TYPE,
        INTERNATIONAL_SMS_TYPE,
    ])

    service.permissions.append(ServicePermission(service_id=service.id, permission='letter'))
    dao_update_service(service)

    assert Service.query.count() == 1
    assert Service.get_history_model().query.count() == 2

    service_from_db = Service.query.first()

    assert service_from_db.version == 2

    _assert_service_permissions(service.permissions, (
        SMS_TYPE, EMAIL_TYPE, INTERNATIONAL_SMS_TYPE, LETTER_TYPE,
    ))

    permission = [p for p in service.permissions if p.permission == 'sms'][0]
    service.permissions.remove(permission)
    dao_update_service(service)

    assert Service.query.count() == 1
    assert Service.get_history_model().query.count() == 3

    service_from_db = Service.query.first()
    assert service_from_db.version == 3
    _assert_service_permissions(service.permissions, (
        EMAIL_TYPE, INTERNATIONAL_SMS_TYPE, LETTER_TYPE,
    ))

    assert len(Service.get_history_model().query.filter_by(name='service_name').all()) == 3
    assert Service.get_history_model().query.filter_by(name='service_name').all()[2].version == 3


def test_create_service_and_history_is_transactional(notify_db_session):
    user = create_user()
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0
    service = Service(name=None,
                      email_from="email_from",
                      message_limit=1000,
                      restricted=False,
                      created_by=user)

    with pytest.raises(IntegrityError) as excinfo:
        dao_create_service(service, user)

    assert 'column "name" violates not-null constraint' in str(excinfo.value)
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0


def test_delete_service_and_associated_objects(notify_db_session):
    user = create_user()
    service = create_service(user=user, service_permissions=None)
    create_user_code(user=user, code='somecode', code_type='email')
    create_user_code(user=user, code='somecode', code_type='sms')
    template = create_template(service=service)
    api_key = create_api_key(service=service)
    create_notification(template=template, api_key=api_key)
    create_invited_user(service=service)

    assert ServicePermission.query.count() == len((
        SMS_TYPE, EMAIL_TYPE, LETTER_TYPE, INTERNATIONAL_SMS_TYPE,
    ))

    delete_service_and_all_associated_db_objects(service)
    assert VerifyCode.query.count() == 0
    assert ApiKey.query.count() == 0
    assert ApiKey.get_history_model().query.count() == 0
    assert Template.query.count() == 0
    assert TemplateHistory.query.count() == 0
    assert Job.query.count() == 0
    assert Notification.query.count() == 0
    assert Permission.query.count() == 0
    assert User.query.count() == 0
    assert InvitedUser.query.count() == 0
    assert Service.query.count() == 0
    assert Service.get_history_model().query.count() == 0
    assert ServicePermission.query.count() == 0


def test_add_existing_user_to_another_service_doesnot_change_old_permissions(notify_db_session):
    user = create_user()

    service_one = Service(name="service_one",
                          email_from="service_one",
                          message_limit=1000,
                          restricted=False,
                          created_by=user)

    dao_create_service(service_one, user)
    assert user.id == service_one.users[0].id
    test_user_permissions = Permission.query.filter_by(service=service_one, user=user).all()
    assert len(test_user_permissions) == 8

    other_user = User(
        name='Other Test User',
        email_address='other_user@digital.cabinet-office.gov.uk',
        password='password',
        mobile_number='+447700900987'
    )
    save_model_user(other_user)
    service_two = Service(name="service_two",
                          email_from="service_two",
                          message_limit=1000,
                          restricted=False,
                          created_by=other_user)
    dao_create_service(service_two, other_user)

    assert other_user.id == service_two.users[0].id
    other_user_permissions = Permission.query.filter_by(service=service_two, user=other_user).all()
    assert len(other_user_permissions) == 8

    other_user_service_one_permissions = Permission.query.filter_by(service=service_one, user=other_user).all()
    assert len(other_user_service_one_permissions) == 0

    # adding the other_user to service_one should leave all other_user permissions on service_two intact
    permissions = []
    for p in ['send_emails', 'send_texts', 'send_letters']:
        permissions.append(Permission(permission=p))

    dao_add_user_to_service(service_one, other_user, permissions=permissions)

    other_user_service_one_permissions = Permission.query.filter_by(service=service_one, user=other_user).all()
    assert len(other_user_service_one_permissions) == 3

    other_user_service_two_permissions = Permission.query.filter_by(service=service_two, user=other_user).all()
    assert len(other_user_service_two_permissions) == 8


def test_fetch_stats_filters_on_service(notify_db_session):
    service_one = create_service()
    create_notification(template=create_template(service=service_one))

    service_two = Service(name="service_two",
                          created_by=service_one.created_by,
                          email_from="hello",
                          restricted=False,
                          message_limit=1000)
    dao_create_service(service_two, service_one.created_by)

    stats = dao_fetch_stats_for_service(service_two.id, 7)
    assert len(stats) == 0


def test_fetch_stats_ignores_historical_notification_data(notify_db_session):
    notification = create_notification(template=create_template(service=create_service()))
    service_id = notification.service.id

    db.session.delete(notification)

    assert Notification.query.count() == 0
    assert NotificationHistory.query.count() == 1

    stats = dao_fetch_stats_for_service(service_id, 7)
    assert len(stats) == 0


def test_fetch_stats_counts_correctly(notify_db_session):
    service = create_service()
    sms_template = create_template(service=service)
    email_template = create_template(service=service, template_type='email')
    # two created email, one failed email, and one created sms
    create_notification(template=email_template, status='created')
    create_notification(template=email_template, status='created')
    create_notification(template=email_template, status='technical-failure')
    create_notification(template=sms_template, status='created')

    stats = dao_fetch_stats_for_service(sms_template.service_id, 7)
    stats = sorted(stats, key=lambda x: (x.notification_type, x.status))
    assert len(stats) == 3

    assert stats[0].notification_type == 'email'
    assert stats[0].status == 'created'
    assert stats[0].count == 2

    assert stats[1].notification_type == 'email'
    assert stats[1].status == 'technical-failure'
    assert stats[1].count == 1

    assert stats[2].notification_type == 'sms'
    assert stats[2].status == 'created'
    assert stats[2].count == 1


def test_fetch_stats_counts_should_ignore_team_key(notify_db_session):
    service = create_service()
    template = create_template(service=service)
    live_api_key = create_api_key(service=service, key_type=KEY_TYPE_NORMAL)
    team_api_key = create_api_key(service=service, key_type=KEY_TYPE_TEAM)
    test_api_key = create_api_key(service=service, key_type=KEY_TYPE_TEST)

    # two created email, one failed email, and one created sms
    create_notification(template=template, api_key=live_api_key, key_type=live_api_key.key_type)
    create_notification(template=template, api_key=test_api_key, key_type=test_api_key.key_type)
    create_notification(template=template, api_key=team_api_key, key_type=team_api_key.key_type)
    create_notification(template=template)

    stats = dao_fetch_stats_for_service(template.service_id, 7)
    assert len(stats) == 1
    assert stats[0].notification_type == 'sms'
    assert stats[0].status == 'created'
    assert stats[0].count == 3


def test_fetch_stats_for_today_only_includes_today(notify_db_session):
    template = create_template(service=create_service())
    # two created email, one failed email, and one created sms
    with freeze_time('2001-01-01T23:59:00'):
        # just_before_midnight_yesterday
        create_notification(template=template, to_field='1', status='delivered')

    with freeze_time('2001-01-02T00:01:00'):
        # just_after_midnight_today
        create_notification(template=template, to_field='2', status='failed')

    with freeze_time('2001-01-02T12:00:00'):
        # right_now
        create_notification(template=template, to_field='3', status='created')

        stats = dao_fetch_todays_stats_for_service(template.service_id)

    stats = {row.status: row.count for row in stats}
    assert 'delivered' not in stats
    assert stats['failed'] == 1
    assert stats['created'] == 1


@pytest.mark.parametrize('created_at, limit_days, rows_returned', [
    ('Sunday 8th July 2018 12:00', 7, 0),
    ('Sunday 8th July 2018 22:59', 7, 0),
    ('Sunday 1th July 2018 12:00', 10, 0),
    ('Sunday 8th July 2018 23:00', 7, 1),
    ('Monday 9th July 2018 09:00', 7, 1),
    ('Monday 9th July 2018 15:00', 7, 1),
    ('Monday 16th July 2018 12:00', 7, 1),
    ('Sunday 8th July 2018 12:00', 10, 1),
])
def test_fetch_stats_should_not_gather_notifications_older_than_7_days(
        sample_template, created_at, limit_days, rows_returned
):
    # It's monday today. Things made last monday should still show
    with freeze_time(created_at):
        create_notification(sample_template, )

    with freeze_time('Monday 16th July 2018 12:00'):
        stats = dao_fetch_stats_for_service(sample_template.service_id, limit_days)

    assert len(stats) == rows_returned


def test_dao_fetch_todays_total_message_count_returns_count_for_today(notify_db_session):
    notification = create_notification(template=create_template(service=create_service()))
    assert fetch_todays_total_message_count(notification.service.id) == 1


def test_dao_fetch_todays_total_message_count_returns_0_when_no_messages_for_today(notify_db,
                                                                                   notify_db_session):
    assert fetch_todays_total_message_count(uuid.uuid4()) == 0


def test_dao_fetch_todays_stats_for_all_services_includes_all_services(notify_db_session):
    # two services, each with an email and sms notification
    service1 = create_service(service_name='service 1', email_from='service.1')
    service2 = create_service(service_name='service 2', email_from='service.2')
    template_email_one = create_template(service=service1, template_type='email')
    template_sms_one = create_template(service=service1, template_type='sms')
    template_email_two = create_template(service=service2, template_type='email')
    template_sms_two = create_template(service=service2, template_type='sms')
    create_notification(template=template_email_one)
    create_notification(template=template_sms_one)
    create_notification(template=template_email_two)
    create_notification(template=template_sms_two)

    stats = dao_fetch_todays_stats_for_all_services()

    assert len(stats) == 4
    # services are ordered by service id; not explicit on email/sms or status
    assert stats == sorted(stats, key=lambda x: x.service_id)


def test_dao_fetch_todays_stats_for_all_services_only_includes_today(notify_db_session):
    template = create_template(service=create_service())
    with freeze_time('2001-01-01T23:59:00'):
        # just_before_midnight_yesterday
        create_notification(template=template, to_field='1', status='delivered')

    with freeze_time('2001-01-02T00:01:00'):
        # just_after_midnight_today
        create_notification(template=template, to_field='2', status='failed')

    with freeze_time('2001-01-02T12:00:00'):
        stats = dao_fetch_todays_stats_for_all_services()

    stats = {row.status: row.count for row in stats}
    assert 'delivered' not in stats
    assert stats['failed'] == 1


def test_dao_fetch_todays_stats_for_all_services_groups_correctly(notify_db, notify_db_session):
    service1 = create_service(service_name='service 1', email_from='service.1')
    service2 = create_service(service_name='service 2', email_from='service.2')
    template_sms = create_template(service=service1)
    template_email = create_template(service=service1, template_type='email')
    template_two = create_template(service=service2)
    # service1: 2 sms with status "created" and one "failed", and one email
    create_notification(template=template_sms)
    create_notification(template=template_sms)
    create_notification(template=template_sms, status='failed')
    create_notification(template=template_email)
    # service2: 1 sms "created"
    create_notification(template=template_two)

    stats = dao_fetch_todays_stats_for_all_services()
    assert len(stats) == 4
    assert (service1.id, service1.name, service1.restricted, service1.research_mode, service1.active,
            service1.created_at, 'sms', 'created', 2) in stats
    assert (service1.id, service1.name, service1.restricted, service1.research_mode, service1.active,
            service1.created_at, 'sms', 'failed', 1) in stats
    assert (service1.id, service1.name, service1.restricted, service1.research_mode, service1.active,
            service1.created_at, 'email', 'created', 1) in stats
    assert (service2.id, service2.name, service2.restricted, service2.research_mode, service2.active,
            service2.created_at, 'sms', 'created', 1) in stats


def test_dao_fetch_todays_stats_for_all_services_includes_all_keys_by_default(notify_db_session):
    template = create_template(service=create_service())
    create_notification(template=template, key_type=KEY_TYPE_NORMAL)
    create_notification(template=template, key_type=KEY_TYPE_TEAM)
    create_notification(template=template, key_type=KEY_TYPE_TEST)

    stats = dao_fetch_todays_stats_for_all_services()

    assert len(stats) == 1
    assert stats[0].count == 3


def test_dao_fetch_todays_stats_for_all_services_can_exclude_from_test_key(notify_db_session):
    template = create_template(service=create_service())
    create_notification(template=template, key_type=KEY_TYPE_NORMAL)
    create_notification(template=template, key_type=KEY_TYPE_TEAM)
    create_notification(template=template, key_type=KEY_TYPE_TEST)

    stats = dao_fetch_todays_stats_for_all_services(include_from_test_key=False)

    assert len(stats) == 1
    assert stats[0].count == 2


@freeze_time('2001-01-01T23:59:00')
def test_dao_suspend_service_marks_service_as_inactive_and_expires_api_keys(notify_db_session):
    service = create_service()
    api_key = create_api_key(service=service)
    dao_suspend_service(service.id)
    service = Service.query.get(service.id)
    assert not service.active
    assert service.name == service.name

    api_key = ApiKey.query.get(api_key.id)
    assert api_key.expiry_date == datetime(2001, 1, 1, 23, 59, 00)


@freeze_time('2001-01-01T23:59:00')
def test_dao_resume_service_marks_service_as_active_and_api_keys_are_still_revoked(notify_db_session):
    service = create_service()
    api_key = create_api_key(service=service)
    dao_suspend_service(service.id)
    service = Service.query.get(service.id)
    assert not service.active

    dao_resume_service(service.id)
    assert Service.query.get(service.id).active

    api_key = ApiKey.query.get(api_key.id)
    assert api_key.expiry_date == datetime(2001, 1, 1, 23, 59, 00)


def test_dao_fetch_active_users_for_service_returns_active_only(notify_db_session):
    active_user = create_user(email='active@foo.com', state='active')
    pending_user = create_user(email='pending@foo.com', state='pending')
    service = create_service(user=active_user)
    dao_add_user_to_service(service, pending_user)
    users = dao_fetch_active_users_for_service(service.id)

    assert len(users) == 1


def test_dao_fetch_service_by_inbound_number_with_inbound_number(notify_db_session):
    foo1 = create_service_with_inbound_number(service_name='a', inbound_number='1')
    create_service_with_defined_sms_sender(service_name='b', sms_sender_value='2')
    create_service_with_defined_sms_sender(service_name='c', sms_sender_value='3')
    create_inbound_number('2')
    create_inbound_number('3')

    service = dao_fetch_service_by_inbound_number('1')

    assert foo1.id == service.id


def test_dao_fetch_service_by_inbound_number_with_inbound_number_not_set(notify_db_session):
    create_inbound_number('1')

    service = dao_fetch_service_by_inbound_number('1')

    assert service is None


def test_dao_fetch_service_by_inbound_number_when_inbound_number_set(notify_db_session):
    service_1 = create_service_with_inbound_number(inbound_number='1', service_name='a')
    create_service(service_name='b')

    service = dao_fetch_service_by_inbound_number('1')

    assert service.id == service_1.id


def test_dao_fetch_service_by_inbound_number_with_unknown_number(notify_db_session):
    create_service_with_inbound_number(inbound_number='1', service_name='a')

    service = dao_fetch_service_by_inbound_number('9')

    assert service is None


def test_dao_fetch_service_by_inbound_number_with_inactive_number_returns_empty(notify_db_session):
    service = create_service_with_inbound_number(inbound_number='1', service_name='a')
    dao_set_inbound_number_active_flag(service_id=service.id, active=False)

    service = dao_fetch_service_by_inbound_number('1')

    assert service is None


def test_dao_allocating_inbound_number_shows_on_service(notify_db_session):
    create_service_with_inbound_number()
    create_inbound_number(number='07700900003')

    inbound_numbers = dao_get_available_inbound_numbers()

    service = create_service(service_name='test service')

    dao_set_inbound_number_to_service(service.id, inbound_numbers[0])

    assert service.inbound_number.number == inbound_numbers[0].number


def _assert_service_permissions(service_permissions, expected):
    assert len(service_permissions) == len(expected)
    assert set(expected) == set(p.permission for p in service_permissions)


def create_email_sms_letter_template():
    service = create_service()
    template_one = create_template(service=service, template_name='1', template_type='email')
    template_two = create_template(service=service, template_name='2', template_type='sms')
    template_three = create_template(service=service, template_name='3', template_type='letter')
    return template_one, template_three, template_two