from configobj import ConfigObj
import shutil
import posixpath


class ConfigError(Exception):
    pass


class Config:
    """
    Gère le fichier de configuration
    """
    def __init__(self):
        
        try:
            self.obj = ConfigObj('config.conf', file_error=True)
        except:
            # pas de fichier: config par défaut
            print('creating config file')
            shutil.copyfile('default.conf', 'config.conf')
            self.obj = ConfigObj('config.conf')
        
        self.check_config()
        print('config loaded')

    @property
    def domains(self):
        return list(self.obj['domains'].keys())

    @property
    def app(self):
        return self.obj['api']['app']
    
    @property
    def token(self):
        return self.obj['api']['token']
    
    @property
    def server(self):
        return self.obj['api']['server']
        
    def check_config(self):
        if not 'api' in self.obj:
            raise ConfigError("no 'api' section in config file")
        for k in ['app', 'token', 'extensions', 'server']:
            if not k in self.obj['api']:
                raise ConfigError("no '"+k+"' value in config file, subsection 'api'")
        if not 'domains' in self.obj:
            raise ConfigError("no 'domains' section in config file")
        if len(self.obj['domains']) == 0:
            raise ConfigError("no domains in config file, subsection domains")
        for d in self.obj['domains']:
            print('check dom:', d)
            for k in ['movies', 'series']:
                if not k in self.obj['domains'][d]:
                    raise ConfigError("no '"+k+"' value in config file, subsection 'domains/"+d+"'")
        
    def get_serie_dir(self, domain):
        return self.obj['domains'][domain]['series']

    def get_excluded_serie_dir(self, domain):
        return self.obj['domains'][domain]['no_series']

    def get_movie_dir(self, domain):
        return self.obj['domains'][domain]['movies']

    def get_excluded_movie_dir(self, domain):
        return self.obj['domains'][domain]['no_movies']

    def get_domain(self, domain):
        return self.obj['domains'][domain]['domain']
    
    def is_valid_file(self, name):
        _, ext = posixpath.splitext(name)
        return ext[1:] in self.obj['api']['extensions']