from unittest import mock

import pytest

from dmp.tiktok.exceptions import TikTokAdAccountNotFoundError
from dmp.tiktok.handlers import (
    DeleteTikTokUserAdAccountHandler,
    DeleteTikTokUserAdAccountRequest,
)
from dmp.tiktok.models import (
    TikTokAdAccount,
    TikTokAdReportingConnection,
    TikTokUserAdAccount,
    TikTokUserConnection,
)
from dmp.tiktok.repositories import (
    TikTokAdReportingConnectionRepository,
    TikTokUserAdAccountRepository,
    TikTokUserConnectionRepository,
)

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


class TestDeleteTikTokUserAdAccountHandler:
    @pytest.mark.db
    def test_delete_user_ad_account(
        self,
        handler: DeleteTikTokUserAdAccountHandler,
        create_model: CreateModel,
        identity_id: str,
        user_id: str,
        fivetran_client_mock: mock.MagicMock,
        user_connection_repository: TikTokUserConnectionRepository,
        ad_reporting_connection_repository: TikTokAdReportingConnectionRepository,
        user_ad_account_repository: TikTokUserAdAccountRepository,
    ) -> None:
        ad_account_1 = create_model(TikTokAdAccount)
        ad_account_2 = create_model(TikTokAdAccount)
        create_model(
            TikTokUserConnection,
            is_valid=True,
            identity_id=identity_id,
            user_id=user_id,
            ad_accounts=[ad_account_1, ad_account_2],
        )
        create_model(
            TikTokAdReportingConnection,
            identity_id=identity_id,
            user_id=user_id,
            ad_accounts=[ad_account_1, ad_account_2],
        )

        create_model(
            TikTokUserAdAccount, identity_id=identity_id, ad_account_id=ad_account_1.id
        )
        create_model(
            TikTokUserAdAccount, identity_id=identity_id, ad_account_id=ad_account_2.id
        )

        handler.handle(
            DeleteTikTokUserAdAccountRequest(
                identity_id=identity_id, ad_account_id=ad_account_1.id
            ),
        )

        user_ad_account = (
            user_ad_account_repository.find_by_ad_accounts_ids_and_identity_id(
                identity_id=identity_id, ad_accounts_ids=[ad_account_1.id]
            )
        )

        user_connection = user_connection_repository.get_by_identity_id_and_user_id(
            identity_id, user_id
        )

        ad_reporting_connection = ad_reporting_connection_repository.get_connection_by_identity_id_and_user_id(
            identity_id, user_id
        )
        fivetran_client_mock.delete_connection.assert_not_called()

        assert not user_ad_account

        assert user_connection
        assert user_connection.ad_accounts == [ad_account_2]

        assert ad_reporting_connection
        assert ad_reporting_connection.ad_accounts == [ad_account_2]

    @pytest.mark.db
    def test_delete_user_ad_account_last(
        self,
        handler: DeleteTikTokUserAdAccountHandler,
        create_model: CreateModel,
        identity_id: str,
        user_id: str,
        fake: FakerTyped,
        fivetran_client_mock: mock.MagicMock,
        user_connection_repository: TikTokUserConnectionRepository,
        ad_reporting_connection_repository: TikTokAdReportingConnectionRepository,
        user_ad_account_repository: TikTokUserAdAccountRepository,
    ) -> None:
        ad_account = create_model(TikTokAdAccount)
        ad_account_2 = create_model(TikTokAdAccount)

        create_model(
            TikTokUserConnection,
            is_valid=True,
            identity_id=identity_id,
            user_id=user_id,
            ad_accounts=[ad_account],
        )
        ad_reporting_connection_to_delete = create_model(
            TikTokAdReportingConnection,
            identity_id=identity_id,
            user_id=user_id,
            ad_accounts=[ad_account],
        )

        user_id_2 = fake.pystr()
        create_model(
            TikTokUserConnection,
            identity_id=identity_id,
            user_id=user_id_2,
            ad_accounts=[ad_account, ad_account_2],
        )

        create_model(
            TikTokAdReportingConnection,
            identity_id=identity_id,
            user_id=user_id_2,
            ad_accounts=[ad_account, ad_account_2],
        )

        create_model(
            TikTokUserAdAccount, identity_id=identity_id, ad_account_id=ad_account.id
        )

        handler.handle(
            DeleteTikTokUserAdAccountRequest(
                identity_id=identity_id, ad_account_id=ad_account.id
            ),
        )

        user_ad_account = (
            user_ad_account_repository.find_by_ad_accounts_ids_and_identity_id(
                identity_id=identity_id, ad_accounts_ids=[ad_account.id]
            )
        )

        user_connection = user_connection_repository.get_by_identity_id_and_user_id(
            identity_id, user_id
        )

        ad_reporting_connection = ad_reporting_connection_repository.get_connection_by_identity_id_and_user_id(
            identity_id, user_id
        )

        user_connection_2 = user_connection_repository.get_by_identity_id_and_user_id(
            identity_id, user_id_2
        )

        ad_reporting_connection_2 = ad_reporting_connection_repository.get_connection_by_identity_id_and_user_id(
            identity_id, user_id_2
        )

        fivetran_client_mock.delete_connection.assert_called_once_with(
            ad_reporting_connection_to_delete.fivetran_connector_id
        )

        assert not user_ad_account
        assert not user_connection
        assert not ad_reporting_connection

        assert user_connection_2
        assert user_connection_2.ad_accounts_count == 1

        assert ad_reporting_connection_2
        assert ad_reporting_connection_2.ad_accounts_count == 1

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

        with pytest.raises(TikTokAdAccountNotFoundError):
            handler.handle(
                DeleteTikTokUserAdAccountRequest(
                    identity_id=identity_id, ad_account_id=ad_account_id
                ),
            )