import pytest
from fansifter_common.auth.account import Account

from dmp.ad_reporting.enums import AdReportingBudgetType, AdReportingPlatform
from dmp.ad_reporting.exceptions import AdReportingCampaignNotFoundError
from dmp.ad_reporting.handlers import (
    GetAdReportingCampaignHandler,
    GetAdReportingCampaignRequest,
)
from dmp.ad_reporting.models import AdReportingCampaignDbt
from dmp.meta.models import MetaAdAccount, MetaUserAdAccount

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


class TestGetAdReportingCampaignHandler:
    @pytest.mark.db
    def test_get_campaign(
        self,
        handler: GetAdReportingCampaignHandler,
        create_model: CreateModel,
        create_reporting_model: CreateReportingModel,
        identity_id: str,
        account: Account,
    ) -> None:
        ad_account = create_model(MetaAdAccount)
        create_model(
            MetaUserAdAccount,
            ad_account_id=ad_account.id,
            identity_id=identity_id,
            vendor_id=account.vendor_id,
            subaccount_id=account.subaccount_id,
        )

        campaign = create_reporting_model(
            AdReportingCampaignDbt,
            account_id=ad_account.external_id,
            platform=AdReportingPlatform.META,
        )

        result = handler.handle(
            GetAdReportingCampaignRequest(
                identity_id=identity_id,
                campaign_id=campaign.id,
            )
        )

        assert result.id == campaign.id

    @pytest.mark.db
    def test_get_campaign_no_allowed_accounts(
        self,
        handler: GetAdReportingCampaignHandler,
        create_reporting_model: CreateReportingModel,
        identity_id: str,
    ) -> None:
        campaign = create_reporting_model(
            AdReportingCampaignDbt,
            platform=AdReportingPlatform.META,
        )

        with pytest.raises(AdReportingCampaignNotFoundError):
            handler.handle(
                GetAdReportingCampaignRequest(
                    identity_id=identity_id,
                    campaign_id=campaign.id,
                )
            )

    @pytest.mark.db
    def test_get_campaign_not_found(
        self, handler: GetAdReportingCampaignHandler, identity_id: str, fake: FakerTyped
    ) -> None:
        with pytest.raises(AdReportingCampaignNotFoundError):
            handler.handle(
                GetAdReportingCampaignRequest(
                    identity_id=identity_id,
                    campaign_id=fake.uuid4_string(),
                )
            )

    @pytest.mark.db
    def test_get_campaign_daily_budget(
        self,
        handler: GetAdReportingCampaignHandler,
        create_model: CreateModel,
        create_reporting_model: CreateReportingModel,
        identity_id: str,
        account: Account,
    ) -> None:
        ad_account = create_model(MetaAdAccount)
        create_model(
            MetaUserAdAccount,
            ad_account_id=ad_account.id,
            identity_id=identity_id,
            vendor_id=account.vendor_id,
            subaccount_id=account.subaccount_id,
        )

        campaign = create_reporting_model(
            AdReportingCampaignDbt,
            account_id=ad_account.external_id,
            platform=AdReportingPlatform.META,
        )

        result = handler.handle(
            GetAdReportingCampaignRequest(
                identity_id=identity_id,
                campaign_id=campaign.id,
            )
        )

        assert result.budget == campaign.daily_budget
        assert result.budget_usd == campaign.daily_budget_usd
        assert result.currency == campaign.currency
        assert result.budget_type == AdReportingBudgetType.DAILY_BUDGET

    @pytest.mark.db
    def test_get_campaign_lifetime_budget(
        self,
        handler: GetAdReportingCampaignHandler,
        create_model: CreateModel,
        create_reporting_model: CreateReportingModel,
        identity_id: str,
        account: Account,
    ) -> None:
        ad_account = create_model(MetaAdAccount)
        create_model(
            MetaUserAdAccount,
            ad_account_id=ad_account.id,
            identity_id=identity_id,
            vendor_id=account.vendor_id,
            subaccount_id=account.subaccount_id,
        )

        campaign = create_reporting_model(
            AdReportingCampaignDbt,
            account_id=ad_account.external_id,
            platform=AdReportingPlatform.META,
            daily_budget=None,
            daily_budget_usd=None,
        )

        result = handler.handle(
            GetAdReportingCampaignRequest(
                identity_id=identity_id,
                campaign_id=campaign.id,
            )
        )

        assert result.budget == campaign.lifetime_budget
        assert result.budget_usd == campaign.lifetime_budget_usd
        assert result.currency == campaign.currency
        assert result.budget_type == AdReportingBudgetType.LIFETIME_BUDGET

    @pytest.mark.db
    def test_get_campaign_ad_set_budget(
        self,
        handler: GetAdReportingCampaignHandler,
        create_model: CreateModel,
        create_reporting_model: CreateReportingModel,
        identity_id: str,
        account: Account,
    ) -> None:
        ad_account = create_model(MetaAdAccount)
        create_model(
            MetaUserAdAccount,
            ad_account_id=ad_account.id,
            identity_id=identity_id,
            vendor_id=account.vendor_id,
            subaccount_id=account.subaccount_id,
        )

        campaign = create_reporting_model(
            AdReportingCampaignDbt,
            account_id=ad_account.external_id,
            platform=AdReportingPlatform.META,
            daily_budget=None,
            daily_budget_usd=None,
            lifetime_budget=None,
            lifetime_budget_usd=None,
        )

        result = handler.handle(
            GetAdReportingCampaignRequest(
                identity_id=identity_id,
                campaign_id=campaign.id,
            )
        )

        assert result.budget is None
        assert result.budget_usd is None
        assert result.currency == campaign.currency
        assert result.budget_type == AdReportingBudgetType.AD_SET_BUDGET