"""Logic Tier for Episode Links."""
from podcast.constants.common import APPLE_SUBSCRIPTION
from podcast.constants.common import PUBLIC_RSS
from podcast.constants.feature_flag import FEATURE_PODCAST_IA_RESTRUCTURE
from podcast.constants.stores import APPLE_PODCAST_STORE_ID
from podcast.logic import user as user_logic
from podcast.logic import user_v2 as user_v2_logic
from podcast.models import episode_links as episode_links_model
from podcast.models import podcast as podcast_model
from podcast.models import podcast_links as podcast_links_model
from podcast.models.episode import update_episode
from podcast.utils import feature_flag_utils


def get_episode_links(podcast_id, episode_id):
    """Get all episode links for an episode.

    Args:
        podcast_id (int): The podcast unique identifier.
        episode_id (int): The episode unique identifier.

    Returns:
        dict: containing a list of dicts with episode links metadata.
    """
    podcast = podcast_model.get_podcast_by_id(podcast_id)
    if feature_flag_utils.get_feature_flag(FEATURE_PODCAST_IA_RESTRUCTURE):
        user_v2_logic.current_user_owns_show_family_or_raise(podcast['show_family_id'])
    else:
        user_logic.current_user_owns_podcast_or_raise(podcast)
    return episode_links_model.get_episode_links_by_episode_id(episode_id)


def create_episode_link(data):
    """Create episode link.

    If apple episode link and one of public-rss or apple-subscription feeds then,
    get apple_id from link and update apple_id for that episode.

    Returns:
        dict: containing a dict with the created episode link.
    """
    user_logic.current_user_is_org_admin_or_raise()
    if data['store_id'] == APPLE_PODCAST_STORE_ID:
        podcast = podcast_model.get_podcast_by_id(data['podcast_id'])
        if podcast['feed_type'] in (PUBLIC_RSS, APPLE_SUBSCRIPTION):
            apple_id = data['link'].split('?i=')[1]
            update_episode(data['episode_id'], {'apple_id': apple_id})
    return episode_links_model.create_or_update_episode_link(data)


def create_embed_code_episode_link(podcast_id, episode_id, guid):
    """Create website embed code episode link for an episode.

    Args:
        podcast_id (int): The podcast unique identifier.
        episode_id (int): The episode unique identifier.
        guid (str): The megaphone uid for an episode.

    Returns:
        dict: containing a dict with the created episode link for website embeb code.
    """
    store_id = podcast_links_model.get_website_embed_store()['id']
    url = 'https://playlist.megaphone.fm?e={}'.format(guid)
    link = '<iframe frameborder="0" height="200" scrolling="no" src="{}" width="100%"></iframe>'.format(url)
    episode_links_model.create_or_update_episode_link(
        {'episode_id': episode_id, 'podcast_id': podcast_id, 'store_id': store_id, 'link': link})


def delete_episode_link(episode_id, store_id):
    """Delete episode link function.

    Args:
        episode_id (int): The unique identifier of the episode.
        store_id (int): The unique identifier of the store.

    Returns:
        dict: containing a dict with the deleted episode link id.
    """
    user_logic.current_user_is_org_admin_or_raise()
    return episode_links_model.delete_episode_link(episode_id, store_id)