from unittest import mock

import pytest

from campaigns.connectors.db import Database
from campaigns.connectors.facebook.models import CreatedAdVideo
from campaigns.meta.handlers import (
    CreateCampaignAdVideoHandler,
    CreateCampaignAdVideoRequest,
)
from campaigns.meta.models import CampaignVideo
from campaigns.meta.repositories import CampaignVideoRepository
from campaigns.meta.services import CampaignVideoService

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


@pytest.fixture
def handler(
    db: Database,
    facebook_client_mock: mock.MagicMock,
    campaign_video_repository: CampaignVideoRepository,
    campaign_video_service: CampaignVideoService,
) -> CreateCampaignAdVideoHandler:
    return CreateCampaignAdVideoHandler(
        db=db,
        facebook_client=facebook_client_mock,
        campaign_video_repository=campaign_video_repository,
        campaign_video_service=campaign_video_service,
    )


async def test_create_ad_video_has_external_id(
    handler: CreateCampaignAdVideoHandler,
    create_model: CreateModel,
    facebook_client_mock: mock.MagicMock,
    fake: FakerTyped,
) -> None:
    video_url = fake.video_url()
    external_id = fake.numeric_string(length=16)

    video = await create_model(CampaignVideo, external_id=external_id)

    video = await handler.handle(
        request=CreateCampaignAdVideoRequest(
            video_id=video.id,
            video_url=video_url,
        ),
    )

    facebook_client_mock.create_ad_video.assert_not_called()

    assert video.external_id == external_id


async def test_create_ad_video(
    handler: CreateCampaignAdVideoHandler,
    facebook_client_mock: mock.MagicMock,
    create_model: CreateModel,
    fake: FakerTyped,
) -> None:
    video_url = fake.video_url()
    external_id = fake.numeric_string(length=16)

    video = await create_model(CampaignVideo)

    facebook_client_mock.create_ad_video.return_value = CreatedAdVideo(id=external_id)

    video = await handler.handle(
        request=CreateCampaignAdVideoRequest(
            video_id=video.id,
            video_url=video_url,
        ),
    )

    assert video.external_id == external_id