"""Unit tests for sound-recording streams_by_product model layer."""

import datetime
from unittest.mock import patch

import pytest

from sound_recordings.models import streams_by_product as streams_by_product
from tests.unit.models.conftest import snowflake_fetch_assert

# This mock SQL is to test that filtering is correct
MOCK_SQL = "{filter_clause}"


@pytest.fixture
def mock_load_query():
    """Mock load query."""
    with patch("sound_recordings.models.streams_by_product.SQLLoader") as sql_loader:
        load_query = sql_loader.load_query
        load_query.return_value = MOCK_SQL
        yield load_query


@pytest.fixture
def mock_store_availability():
    """Mock store_availability."""
    with patch(
        "sound_recordings.models.streams_by_product.store_availability"
    ) as store_availability:
        store_availability.get_store_ids.return_value = [1, 286]
        yield store_availability


@pytest.fixture
def db_result():
    """Mock db result."""
    return [
        ("123", datetime.date(2018, 7, 4), 40000, 1000, 300, 600),
        ("321", datetime.date(2018, 7, 4), 2000, 1000, 400, 800),
        ("456", datetime.date(2018, 7, 5), 126, 0, None, None),
        ("123", datetime.date(2018, 7, 6), 3126, 0, None, None),
        ("321", datetime.date(2018, 7, 5), 1126, 800, 400, 100),
    ]


@pytest.fixture
def expected_response():
    """Expect formatted response."""
    return [
        {
            "product_id": "123",
            "date": datetime.date(2018, 7, 4),
            "streams": 40000,
            "streams_with_skips": 1000,
            "skips": 300,
            "saves": 600,
        },
        {
            "product_id": "321",
            "date": datetime.date(2018, 7, 4),
            "streams": 2000,
            "streams_with_skips": 1000,
            "skips": 400,
            "saves": 800,
        },
        {
            "product_id": "456",
            "date": datetime.date(2018, 7, 5),
            "streams": 126,
            "streams_with_skips": 0,
            "skips": None,
            "saves": None,
        },
        {
            "product_id": "123",
            "date": datetime.date(2018, 7, 6),
            "streams": 3126,
            "streams_with_skips": 0,
            "skips": None,
            "saves": None,
        },
        {
            "product_id": "321",
            "date": datetime.date(2018, 7, 5),
            "streams": 1126,
            "streams_with_skips": 800,
            "skips": 400,
            "saves": 100,
        },
    ]


class TestGetStreamsByProductWithLabel:
    """Test get_streams_by_product with Label."""

    permissions_filter = {
        "label_ids": [7123],
        "artist_ids": None,
        "subaccount_ids": None,
        "feed_ids": [1, 2],
    }

    args = {
        "isrc": "isrc",
        "start_date": "2018-07-04",
        "end_date": "2018-07-06",
        "distributors": ["theorchard"],
    }

    expected_sql = (
        "product_id IN (SELECT product_id FROM dim_release WHERE "
        "labelid IN (:label_ids)) "
        "AND (download_activity_date "
        "BETWEEN :start_date AND :end_date)  AND feed_id "
        "IN (:feed_ids) "
    )

    @pytest.fixture
    def mock_snowflake_fetchall(self, db_result):
        """Mock Snowflake fetchall."""
        with patch(
            "sound_recordings.models.streams_by_product.snowflake.fetchall"
        ) as fetchall:
            fetchall.return_value = db_result
            yield fetchall

    @pytest.fixture(autouse=True)
    def no_cache(self):
        """Mock out caching of response."""
        with patch("sound_recordings.connectors.redis.client.get") as get:
            get.return_value = None
            yield get

    @pytest.fixture
    def response(
        self,
        mock_snowflake_fetchall,
        mock_load_query,
        mock_store_availability,
        expected_response,
    ):
        """Return track streams."""
        return streams_by_product.get_streams_by_product(
            self.permissions_filter, **self.args
        )

    def test_succeeds(self, response, expected_response):
        """Test successful response."""
        assert response == expected_response

    def test_query_is_loaded(self, response, mock_load_query):
        """Test correct query is loaded."""
        mock_load_query.assert_called_once_with("streams_by_product")

    def test_loaded_query_is_run(self, response, mock_snowflake_fetchall):
        """Test loaded query is run."""
        expected_args = self.args
        expected_args["store_ids"] = [1, 286]
        snowflake_fetch_assert(
            mock_snowflake_fetchall,
            self.expected_sql,
            {**self.permissions_filter, **expected_args},
        )


class TestGetStreamsByProductWithSubaccountWithCountryFilter:
    """Test get_streams_by_product with Subaccount & country filter."""

    permissions_filter = {
        "label_ids": None,
        "artist_ids": None,
        "subaccount_ids": [345],
        "feed_ids": [1, 2],
    }

    args = {
        "isrc": "isrc",
        "countries": ["US"],
        "start_date": "2018-07-04",
        "end_date": "2018-07-06",
        "distributors": ["theorchard"],
    }

    expected_sql = (
        "product_id IN (SELECT product_id FROM dim_release WHERE "
        "subaccountid IN (:subaccount_ids)) "
        "AND (download_activity_date "
        "BETWEEN :start_date AND :end_date)  AND feed_id "
        "IN (:feed_ids) "
    )

    @pytest.fixture
    def mock_snowflake_fetchall(self, db_result):
        """Mock Snowflake fetchall."""
        with patch(
            "sound_recordings.models.streams_by_product.snowflake.fetchall"
        ) as fetchall:
            fetchall.return_value = db_result
            yield fetchall

    @pytest.fixture(autouse=True)
    def no_cache(self):
        """Mock out caching of response."""
        with patch("sound_recordings.connectors.redis.client.get") as get:
            get.return_value = None
            yield get

    @pytest.fixture
    def response(
        self,
        mock_snowflake_fetchall,
        mock_load_query,
        mock_store_availability,
        expected_response,
    ):
        """Return track streams."""
        return streams_by_product.get_streams_by_product(
            self.permissions_filter, **self.args
        )

    def test_succeeds(self, response, expected_response):
        """Test successful response."""
        assert response == expected_response

    def test_query_is_loaded(self, response, mock_load_query):
        """Test correct query is loaded."""
        mock_load_query.assert_called_once_with("streams_by_product_by_country")

    def test_loaded_query_is_run(self, response, mock_snowflake_fetchall):
        """Test loaded query is run."""
        expected_args = self.args
        del expected_args["countries"]
        expected_args["country_codes"] = ["US"]
        expected_args["store_ids"] = [1, 286]
        snowflake_fetch_assert(
            mock_snowflake_fetchall,
            self.expected_sql,
            {**self.permissions_filter, **expected_args},
        )