from src.fw_api import s, get_radios, post_radio_session, get_track_radio, concatinate_endpoint
from src.utils import download_track
from src.mpv_control import player
from pyfzf.pyfzf import FzfPrompt
from loguru import logger
import threading
import time

fzf = FzfPrompt()


def list_radios():
    radios = get_radios()
    count = radios.get('count')

    results = radios.get('results')
    view = []
    for i in results: 
        index = results.index(i)
        id_radio = i.get('id')
        name = i.get('name')
        view.append(f'{index}.{name}')
    if s.headers.get('Authorization'): # Radios avalaible only for auth user
        view.append('Favourites')
        view.append('Less listened')
    view.append('Random')
    view.append('Recently Added')

    selected = fzf.prompt(view, f'--header \'Found {count} radios\'')[0].split('.', 1)
    if 'Favourites' in selected:
        radio_load(id_radio, 'favorites')
    elif 'Random' in selected:
        radio_load(id_radio, 'random')
    elif 'Recently Added' in selected:
        radio_load(id_radio, 'recently-added')
    elif 'Less listened' in selected:
        radio_load(id_radio, 'less-listened')
    else:
        id_selected = selected[0]
        id_radio = results[int(id_selected)].get('id')
        radio_load(id_radio)


def radio_generator(radio_session_id):
    count_t = 0
    while radio_session_id != '':
        time.sleep(1)
        if not radio_event_gen.wait(0): 
            break
        count_t += 1
        if count_t >= 60:
            radio_get_track(radio_session_id)
    logger.info('Radio generator stopped')

radio_event_gen = threading.Event()

def radio_load(id_radio=None, type_radio='custom'):
    requested_radio = {
            'custom_radio': id_radio,
            'radio_type': type_radio,
            'related_object_id': None
            }
    radio_session_id = post_radio_session(requested_radio).get('id')
    for i in range(0, 5):
        radio_get_track(radio_session_id)

    player.playlist_pos = 0
    radio_event_gen.set()
    radio_task = threading.Thread(target=radio_generator, args=(radio_session_id,), daemon=True)
    radio_task.start()
    while True:
        try:
            select = fzf.prompt(('Next', 'Prev', 'Pause', 'Download', 'Exit'), f'--header=\'Radio playing...\'')[0]
            if select == 'Next':
                radio_get_track(radio_session_id)
                player.playlist_next()
            elif select == 'Prev':
                player.playlist_prev()
            elif select == 'Pause':
                if player.pause:
                    player.pause = False
                else:
                    player.pause = True
            elif select == 'Download':
                print('Downloading...')
                name_downloaded = download_track(player.filename)
                print(f'Downloaded: {name_downloaded}') 
            elif select == 'Exit':
                try:
                    radio_event_gen.clear()
                except:
                    logger.exception('Error stopping Thread radio generator')
                    pass
                player.playlist_clear()
                player.stop()
                break
        except KeyboardInterrupt:
            break


def radio_get_track(radio_session_id):
    radio_context = get_track_radio({'session': radio_session_id})
    
    if radio_context == "Radio doesn't have more candidates":
        return
    else:
        track = radio_context.get('track')
        listen_url = track.get('listen_url')
        player.playlist_append(concatinate_endpoint(listen_url))