from src.mpv_control import set_http_header
from src.settings import get_config
import requests, json, time
import urllib.parse
import os
from loguru import logger

auth_file = '.auth.json'
if os.path.exists(auth_file):
    with open('.auth.json', 'rt') as f:
        auth = json.loads(f.read())
else:
    # The default umask is 0o22 which turns off write permission of group and others
    os.umask(0)

    descriptor = os.open(
        path=auth_file,
        flags=(
            os.O_WRONLY  # access mode: write only
            | os.O_CREAT  # create if not exists
            | os.O_TRUNC  # truncate the file to zero
        ),
        mode=0o600)
    with open(descriptor, 'wt') as f:
        f.write('{}')
        auth = {}

s = requests.Session()
instance = get_config('instance')
token = auth.get(instance)

if token:
    s.headers.update({
        "Authorization": "Bearer " + token,
        "Accept-encoding": 'gzip'
    })
    set_http_header(['Authorization: ' + 'Bearer ' + token])
else:
    s.headers.update({"Accept-encoding": 'gzip'})
    s.get(f'https://{instance}/') # Get cookies from unauthorized instance for working some functionality (radios)
    set_http_header()


def select_instance(new_instance=None):
    global instance
    instance = new_instance
    with open(auth_file, 'rt') as f:
        auth = json.loads(f.read())
    new_token = auth.get(instance)
    s.headers.update({"Authorization": None,
                      "Accept-encoding": 'gzip'})
    set_http_header()
    if new_token:
        s.get(f'https://{instance}')
        s.headers.update({
                "Authorization": "Bearer " + new_token,
                "Accept-encoding": 'gzip'
        })
        player.http_header_fields = ['Authorization: ' + 'Bearer ' + new_token]
        set_http_header(['Authorization: ' + 'Bearer ' + token])


@logger.catch
def get_audio_file(track_uuid, listen_url=False, download=False, 
                   transcoding=get_config('enable_server_transcoding'), to='ogg'):
    if not transcoding:
        to = None
    params = {
            "download": download,
            "to": to
    }
    if listen_url:
        url = f'https://{instance}{track_uuid}?'
    else:
        url = f'https://{instance}/api/v1/listen/{track_uuid}?'
    return url + urllib.parse.urlencode(params)


@logger.catch
def get_tracks(page=None, q=None, artist=None, album=None, favourites=None, include_channels=None, pg=None):
    '''This function get tracks by params'''
    params = {
            'page': page,
            'q': q,
            'artist': artist,
            'album': album,
            'favourites': favourites,
            'include_channels': include_channels
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/tracks', params=params)
    return r.json()

@logger.catch
def get_favorires_tracks(page=None, q=None, scope=None, include_channels=None, pg=None):
    '''This function get favorites tracks (not only for user)'''
    params = {
            'page': page,
            'q': q,
            'scope': scope,
            'include_channels': include_channels
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/favorites/tracks/', params=params)
    return r.json()


@logger.catch
def get_artists(page=None, q=None, artist=None, album=None, favourites=None, refresh=False, pg=None):
    '''This function get artists by params'''
    params = {
            'page': page,
            'q': q,
            'artist': artist,
            'album': album,
            'favourites': favourites,
            'refresh': refresh
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/artists', params=params)
    return r.json()


@logger.catch
def get_albums(page=None, q=None, artist=None, include_channels=None, refresh=False, pg=None):
    '''This function get artists by params'''
    params = {
            'page': page,
            'q': q,
            'artist': artist,
            'include_channels': include_channels,
            'refresh': refresh
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/albums', params=params)
    return r.json()


@logger.catch
def get_channels(page=None, q=None, tag=None, pg=None):
    params = {
            'page': page,
            'q': q,
            'tag': tag
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/channels', params=params)
    return r.json()


@logger.catch
def get_playlists(page=None, page_size=None, q=None, ordering='-modification_date', pg=None):
    '''List playlists'''
    params = {
            'page': page,
            'page_size': page_size,
            'q': q,
            'ordering': ordering
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/playlists', params=params)
    r.raise_for_status()
    return r.json()


@logger.catch
def get_playlist_tracks(playlist_id, pg=None):
    '''Retrieve all tracks in the playlist'''
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/playlists/{playlist_id}/tracks')
    return r.json()


@logger.catch
def list_libraries(page=None, page_size=None, q=None, scope='all', pg=None):
    params = {
            'page': page,
            'page_size': page_size,
            'q': q,
            'scope': scope,
    }
    if pg:
        r = s.get(pg)
    else:
        r = s.get(f'https://{instance}/api/v1/libraries', params=params)
    return r.json()


@logger.catch
def federate_search_by_url(object):
    params = {
            'object': object
    }
    r = s.post(f'https://{instance}/api/v1/federation/fetches', json=params)
    return r.json()
    

@logger.catch
def favorite_track(track_id):
    r = s.post(f'https://{instance}/api/v1/favorites/tracks', json={'track': int(track_id)})
    r.raise_for_status()
    return r.json


@logger.catch
def unfavorite_track(track_id):
    r = s.post(f'https://{instance}/api/v1/favorites/tracks/delete', json={'track': int(track_id)})
    r.raise_for_status()
    return r.json   


@logger.catch
def hide_content(content):
    '''This function hide content (write permission)'''
    r = s.post(f'https://{instance}/api/v1/moderation/content-filters/', json=content)
    r.raise_for_status()
    return r.json


# [FunkWhale radios]
def get_radios():
    r = s.get(f'https://{instance}/api/v1/radios/radios/')
    return r.json()


def post_radio_session(requested_radio):
    r = s.post(f'https://{instance}/api/v1/radios/sessions/', json=requested_radio)
    return r.json()


@logger.catch
def get_track_radio(radio_session):
    r = s.post(f'https://{instance}/api/v1/radios/tracks/', json=radio_session)
    return r.json()