from unittest import mock

import pytest

from campaigns.connectors.facebook.exceptions import FacebookClientError
from campaigns.connectors.facebook.models import InstagramMedia, PagePost
from campaigns.meta.enums import CampaignPlatform
from campaigns.meta.exceptions import CampaignPostDoesNotExist
from campaigns.meta.models import Campaign
from campaigns.meta.services import CampaignPostService

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


async def test_get_campaign_post_no_external(
    campaign_post_service: CampaignPostService, create_model: CreateModel
) -> None:
    campaign = await create_model(
        Campaign,
        facebook_post_external_id=None,
        instagram_post_external_id=None,
    )

    with pytest.raises(CampaignPostDoesNotExist):
        await campaign_post_service.get_campaign_post(campaign)


async def test_get_campaign_post_facebook_post_found(
    campaign_post_service: CampaignPostService,
    build_model: BuildModel,
    create_model: CreateModel,
    facebook_client_mock: mock.MagicMock,
) -> None:
    facebook_post = build_model(PagePost)

    campaign = await create_model(
        Campaign,
        facebook_post_external_id=facebook_post.id,
        instagram_post_external_id=None,
    )

    facebook_client_mock.get_post.return_value = facebook_post

    post = await campaign_post_service.get_campaign_post(campaign)

    assert post.id == facebook_post.id
    assert post.platform == CampaignPlatform.FACEBOOK
    assert post.title == facebook_post.message
    assert post.permalink_url == facebook_post.permalink_url
    assert post.picture_url == facebook_post.full_picture
    assert post.thumbnail_url == facebook_post.picture
    assert post.created_at == facebook_post.created_time


async def test_get_campaign_post_instagram_post_found(
    campaign_post_service: CampaignPostService,
    build_model: BuildModel,
    create_model: CreateModel,
    facebook_client_mock: mock.MagicMock,
) -> None:
    instagram_post = build_model(InstagramMedia)

    campaign = await create_model(
        Campaign,
        facebook_post_external_id=None,
        instagram_post_external_id=instagram_post.id,
    )

    facebook_client_mock.get_post.side_effect = FacebookClientError()
    facebook_client_mock.get_instagram_media_item.return_value = instagram_post

    post = await campaign_post_service.get_campaign_post(campaign)

    assert post.id == instagram_post.id
    assert post.platform == CampaignPlatform.INSTAGRAM
    assert post.title == instagram_post.caption
    assert post.permalink_url == instagram_post.permalink
    assert post.picture_url == instagram_post.media_url
    assert post.thumbnail_url == instagram_post.thumbnail_url
    assert post.created_at == instagram_post.timestamp


async def test_get_campaign_post_instagram_not_found(
    campaign_post_service: CampaignPostService,
    create_model: CreateModel,
    facebook_client_mock: mock.MagicMock,
    fake: FakerTyped,
) -> None:
    campaign = await create_model(
        Campaign,
        facebook_post_external_id=None,
        instagram_post_external_id=fake.numeric_string(),
    )

    facebook_client_mock.get_post.side_effect = FacebookClientError()
    facebook_client_mock.get_instagram_media_item.side_effect = FacebookClientError()

    with pytest.raises(CampaignPostDoesNotExist):
        await campaign_post_service.get_campaign_post(campaign)