import os
import sys
from glob import glob
import datetime
import time
import string
import random

import ox

from . import mpv

import logging
logger = logging.getLogger('cdosea')

def mpv_log(loglevel, component, message):
    logger.info('[{}] {}: {}'.format(loglevel, component, message))

def get_player(fullscreen=True):
    # 42 max
    player = mpv.MPV(
        log_handler=mpv_log, input_default_bindings=True,
        input_vo_keyboard=True, sub_text_font_size=28, sub_text_font='Menlo'
    )
    #player.observe_property('time-pos', lambda pos: print('Now playing at {:.2f}s'.format(pos)))
    player.fullscreen = fullscreen
    player.loop = 'inf'

    return player

def update_playlist(playlist, prefix, position=None):

    files = []
    videos = {}
    if not prefix.endswith('/'):
        prefix += '/'
    for letter in string.ascii_uppercase:
        videos[letter] = glob('%s%s*.mp4' % (prefix, letter.lower()))
        random.shuffle(videos[letter])

    for i in range(10):
        for letter in string.ascii_uppercase:
            files.append(videos[letter][i])

    if position is None:
        today = datetime.date.today()
        seconds_since_midnight = time.time() - time.mktime(today.timetuple())
        offset = 0
        position = 0

        while offset < seconds_since_midnight:
            f = files.pop(0)
            try:
                offset += ox.avinfo(f)['duration']
                files.append(f)
            except:
                logger.debug('WTF', exc_info=True)
                pass
            position += 1
    else:
        pos = position
        while pos:
            f = files.pop(0)
            files.append(f)
            pos -= 1

    with open(playlist, 'w') as f:
        f.write('\n'.join(files))
        f.write('\n')
    return position, len(files)