# -*- coding: utf-8 -*-
from .music_file import *
from .mapping import *
from .lock import *
import yaml

def parse_config(mapping):
    stream = open("config.yml", "r")
    config = yaml.load(stream)
    stream.close()

    aliases = config['aliases']
    seen_files = {}

    file_lock = Lock("file")

    for mapped_key in config['keys']:
        key = mapping.find_by_unicode(mapped_key)
        if key is None:
            continue

        for action in config['keys'][mapped_key]:
            action_name = list(action)[0]
            action_args = {}
            if action[action_name] is None:
                action[action_name] = []

            if 'include' in action[action_name]:
                included = action[action_name]['include']
                del(action[action_name]['include'])

                if isinstance(included, str):
                    action[action_name].update(aliases[included], **action[action_name])
                else:
                    for included_ in included:
                        action[action_name].update(aliases[included_], **action[action_name])

            for argument in action[action_name]:
                if argument == 'file':
                    filename = action[action_name]['file']
                    if filename not in seen_files:
                        seen_files[filename] = MusicFile(filename, file_lock)

                    action_args['music'] = seen_files[filename]

                else:
                    action_args[argument] = action[action_name][argument]

            key.add_action(action_name, **action_args)