"""Metrics logic."""
from oto import response
from oto import status

from social_analytics.models import artist_social_profile
from social_analytics.models import metric


def get_latest_metrics_by_artist_id(artist_id):
    """Get latest metrics by artist id.

    Args:
        artist_id (int): The artist id for which to get latest metrics.
    Returns:
        response.Response: containing a list of metric dictionaries.
    """
    profiles_response = (
        artist_social_profile.get_artist_social_profiles_by_artist_id(
            artist_id))

    if not profiles_response:
        return profiles_response

    if profiles_response.status == status.NOT_FOUND:
        return profiles_response

    profiles = profiles_response.message['items']

    for profile in profiles:
        metric_response = (
            metric.get_latest_metric_by_social_profile_id(
                profile['social_profile_id']))

        if not metric_response:
            continue

        if metric_response.status == status.NOT_FOUND:
            continue

        metric_value = metric_response.message
        profile['metric'] = metric_value['metric']
        profile['metric_value'] = metric_value['metric_value']
        profile['platform'] = metric_value['platform']

    return response.Response({'items': profiles})


def get_time_series_data_for_period(time_series_query_params):
    """Fetch time series data for one metric for a period.

    Args:
        time_series_query_params (dict) : a dict containing the following:
            {
                'social_profile_id',
                'platform_id',
                'metric_id',
                'start_date',
                'end_date'
            }
            where:
            social_profile_id (int): The social profile id for which to fetch
                time series data.
            platform_id (int): The platform id for which to fetch time series
                data.
            metric_id (int): The metric id for which to fetch time series data.
            start_date (datetime): The period start for which to return data.
            end_date (datetime): The period end for which to return data.
    Returns:
        response.Response: containing a list of metric dicts.
    """
    return metric.get_time_series_data_for_period(time_series_query_params)