from unittest import mock

import pytest

from dmp.meta.exceptions import MetaAdAccountNotFoundError
from dmp.meta.handlers import DeleteMetaAdAccountsHandler, DeleteMetaAdAccountsRequest
from dmp.meta.models import (
    MetaAdAccount,
    MetaAdReportingConnection,
    MetaUserAdAccount,
    MetaUserConnection,
)
from dmp.meta.repositories import (
    MetaAdReportingConnectionRepository,
    MetaUserAdAccountRepository,
    MetaUserConnectionRepository,
)

from tests.unit.faker import FakerTyped
from tests.unit.types import CreateModel


class TestDeleteMetaAdAccountsHandler:
    @pytest.mark.db
    def test_delete_ad_accounts(
        self,
        handler: DeleteMetaAdAccountsHandler,
        facebook_client_mock: mock.MagicMock,
        fivetran_client_mock: mock.MagicMock,
        create_model: CreateModel,
        fake: FakerTyped,
        user_connection_repository: MetaUserConnectionRepository,
        ad_reporting_connection_repository: MetaAdReportingConnectionRepository,
        user_ad_account_repository: MetaUserAdAccountRepository,
    ) -> None:
        user_1_uuid = fake.uuid4_string()
        user_2_uuid = fake.uuid4_string()

        ad_account_1 = create_model(MetaAdAccount)
        ad_account_2 = create_model(MetaAdAccount)
        vendor_id = fake.integer()
        subaccount_id = fake.integer()

        create_model(
            MetaUserConnection,
            is_valid=True,
            identity_id=user_1_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            MetaAdReportingConnection,
            identity_id=user_1_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            MetaUserConnection,
            is_valid=True,
            identity_id=user_2_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            MetaAdReportingConnection,
            identity_id=user_2_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )

        create_model(
            MetaUserAdAccount,
            identity_id=user_1_uuid,
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )
        create_model(
            MetaUserAdAccount,
            identity_id=user_2_uuid,
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        create_model(
            MetaUserAdAccount, identity_id=user_2_uuid, ad_account_id=ad_account_2.id
        )
        create_model(
            MetaUserAdAccount,
            identity_id=user_1_uuid,
            ad_account_id=ad_account_2.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        handler.handle(
            DeleteMetaAdAccountsRequest(
                identity_id=fake.uuid4_string(),
                ad_account_id=ad_account_1.id,
                vendor_id=vendor_id,
                subaccount_id=subaccount_id,
            ),
        )

        user_ad_account = user_ad_account_repository.find_by_ad_account_id_and_account(
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        user_connection_1 = user_connection_repository.get_by_identity_id(user_1_uuid)

        ad_reporting_connection_1 = (
            ad_reporting_connection_repository.get_by_identity_id(user_1_uuid)
        )

        user_connection_2 = user_connection_repository.get_by_identity_id(user_2_uuid)

        ad_reporting_connection_2 = (
            ad_reporting_connection_repository.get_by_identity_id(user_2_uuid)
        )

        facebook_client_mock.disconnect_user.assert_not_called()
        fivetran_client_mock.delete_connection.assert_not_called()

        assert not user_ad_account

        assert user_connection_1
        assert user_connection_1.ad_accounts == [ad_account_2]

        assert ad_reporting_connection_1
        assert ad_reporting_connection_1.ad_accounts == [ad_account_2]

        assert user_connection_2
        assert user_connection_2.ad_accounts == [ad_account_2]

        assert ad_reporting_connection_2
        assert ad_reporting_connection_2.ad_accounts == [ad_account_2]

    @pytest.mark.db
    def test_delete_ad_accounts_with_last_user_ad_account(
        self,
        handler: DeleteMetaAdAccountsHandler,
        facebook_client_mock: mock.MagicMock,
        fivetran_client_mock: mock.MagicMock,
        create_model: CreateModel,
        fake: FakerTyped,
        user_connection_repository: MetaUserConnectionRepository,
        ad_reporting_connection_repository: MetaAdReportingConnectionRepository,
        user_ad_account_repository: MetaUserAdAccountRepository,
    ) -> None:
        user_1_uuid = fake.uuid4_string()
        user_2_uuid = fake.uuid4_string()

        ad_account_1 = create_model(MetaAdAccount)
        ad_account_2 = create_model(MetaAdAccount)
        vendor_id = fake.integer()
        subaccount_id = fake.integer()

        create_model(
            MetaUserConnection,
            is_valid=True,
            identity_id=user_1_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            MetaAdReportingConnection,
            identity_id=user_1_uuid,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            MetaUserConnection,
            is_valid=True,
            identity_id=user_2_uuid,
            ad_accounts=[ad_account_1],
        )
        create_model(
            MetaAdReportingConnection,
            identity_id=user_2_uuid,
            ad_accounts=[ad_account_1],
        )

        create_model(
            MetaUserAdAccount,
            identity_id=user_1_uuid,
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )
        create_model(
            MetaUserAdAccount,
            identity_id=user_2_uuid,
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        create_model(
            MetaUserAdAccount,
            identity_id=user_1_uuid,
            ad_account_id=ad_account_2.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        handler.handle(
            DeleteMetaAdAccountsRequest(
                identity_id=fake.uuid4_string(),
                ad_account_id=ad_account_1.id,
                vendor_id=vendor_id,
                subaccount_id=subaccount_id,
            ),
        )

        user_ad_account = user_ad_account_repository.find_by_ad_account_id_and_account(
            ad_account_id=ad_account_1.id,
            vendor_id=vendor_id,
            subaccount_id=subaccount_id,
        )

        user_connection_1 = user_connection_repository.get_by_identity_id(user_1_uuid)

        ad_reporting_connection_1 = (
            ad_reporting_connection_repository.get_by_identity_id(user_1_uuid)
        )

        user_connection_2 = user_connection_repository.get_by_identity_id(user_2_uuid)

        ad_reporting_connection_2 = (
            ad_reporting_connection_repository.get_by_identity_id(user_2_uuid)
        )

        facebook_client_mock.disconnect_user.assert_called_once()
        fivetran_client_mock.delete_connection.assert_called_once()

        assert not user_ad_account

        assert user_connection_1
        assert user_connection_1.ad_accounts == [ad_account_2]

        assert ad_reporting_connection_1
        assert ad_reporting_connection_1.ad_accounts == [ad_account_2]

        assert not user_connection_2

        assert not ad_reporting_connection_2

    @pytest.mark.db
    def test_delete_ad_accounts_wrong_ad_account_id(
        self,
        handler: DeleteMetaAdAccountsHandler,
        identity_id: str,
        fake: FakerTyped,
    ) -> None:
        ad_account_id = fake.uuid4_string()

        with pytest.raises(MetaAdAccountNotFoundError):
            handler.handle(
                DeleteMetaAdAccountsRequest(
                    identity_id=identity_id,
                    ad_account_id=ad_account_id,
                    vendor_id=fake.integer(),
                    subaccount_id=fake.integer(),
                ),
            )