"""Model for streams by store."""

from ddtrace import tracer

from sound_recordings.connectors import snowflake
from sound_recordings.constants import cache
from sound_recordings.utils import format_sql, store_availability
from sound_recordings.utils.cache import cache_in_redis
from sound_recordings.utils.streams import STREAMS_BY_STORE_FIELDS

SQLLoader = snowflake.SQLLoader(__file__)


def _get_streams_by_store_result(
    permissions_filter,
    isrc,
    query,
    fields,
    distributors,
    countries=[],
    store_ids=[],
    start_date=None,
    end_date=None,
):

    params = {
        **permissions_filter,
        "isrc": isrc,
        "distributors": distributors,
        "store_ids": store_ids,
        "start_date": start_date,
        "end_date": end_date,
    }

    if len(countries) > 0:
        params["country_codes"] = countries
        query = "streams_by_store_by_country"

    sql = SQLLoader.load_query(query)
    sql = format_sql.format_with_permissions_filter(
        sql, permissions_filter, start_date=start_date, end_date=end_date
    )

    records = snowflake.fetchall(sql, params)

    return [dict(zip(fields, record)) for record in records]


@tracer.wrap(name="get_streams_by_store")
@cache_in_redis(ttl=cache.SECONDS_PER_HOUR)
def get_streams_by_store(
    permissions_filter,
    isrc,
    distributors,
    countries=[],
    store_ids=[],
    start_date=None,
    end_date=None,
):
    """Get streams by store timeseries for given ISRC.

    Args:
        permissions_filter (dict): dict containing resources users can access
        isrc (str): ISRC of track to fetch downloads for.
        distributors (list): List of distributors names
        countries (list): List of country codes to filter by
        store_ids (list): List of store ids to filter by
        start_date (datetime.date): Start date
        end_date (datetime.date): End date

    Returns:
        List of dictionaries with keys:
            store_id (str): Store ID
            date (str): Date in YYYY-MM-DD format
            streams (int): Total streams for date
            streams_with_skips (int): Total streams with skips for date
            saves (int): Total saves for date
            skips (int): Total skips for date

    """
    if len(store_ids) == 0:
        store_ids = store_availability.get_store_ids()
    else:
        store_ids = sorted(
            list(set(store_ids).intersection(store_availability.get_store_ids()))
        )

    if len(store_ids) == 0:
        return []

    return _get_streams_by_store_result(
        permissions_filter,
        isrc,
        "streams_by_store",
        STREAMS_BY_STORE_FIELDS,
        distributors,
        countries,
        store_ids,
        start_date,
        end_date,
    )