import logging, os
from typing import Any

class ServerConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def listen_address(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'listen_address', default='127.0.0.1')

    @property
    def allow_user_registration(self) -> bool:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'allow_user_registration', default=True)

    @property
    def allow_unregistered_serials(self) -> bool:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'allow_unregistered_serials', default=True)

    @property
    def name(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'name', default="ARTEMiS")

    @property
    def is_develop(self) -> bool:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'is_develop', default=True)

    @property
    def log_dir(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'server', 'log_dir', default='logs')

class TitleConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'title', 'loglevel', default="info"))

    @property
    def hostname(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'title', 'hostname', default="localhost")

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'title', 'port', default=8080)

class DatabaseConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def host(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'host', default="localhost")

    @property
    def username(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'username', default='aime')

    @property
    def password(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'password', default='aime')

    @property
    def name(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'name', default='aime')

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'port', default=3306)

    @property
    def protocol(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'type', default="mysql")
    
    @property
    def sha2_password(self) -> bool:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'sha2_password', default=False)
    
    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'database', 'loglevel', default="info"))

    @property
    def user_table_autoincrement_start(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'user_table_autoincrement_start', default=10000)
    
    @property
    def memcached_host(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'database', 'memcached_host', default="localhost")

class FrontendConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def enable(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'frontend', 'enable', default=False)

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'frontend', 'port', default=8090)
    
    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'frontend', 'loglevel', default="info"))

class AllnetConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'allnet', 'loglevel', default="info"))

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'allnet', 'port', default=80)
    
    @property
    def allow_online_updates(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'allnet', 'allow_online_updates', default=False)

class BillingConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'billing', 'port', default=8443)

    @property
    def ssl_key(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'billing', 'ssl_key', default="cert/server.key")

    @property
    def ssl_cert(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'billing', 'ssl_cert', default="cert/server.pem")
    
    @property
    def signing_key(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'billing', 'signing_key', default="cert/billing.key")

class AimedbConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config
    
    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'aimedb', 'loglevel', default="info"))

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'aimedb', 'port', default=22345)

    @property
    def key(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'aimedb', 'key', default="")

class MuchaConfig:
    def __init__(self, parent_config: "CoreConfig") -> None:
        self.__config = parent_config

    @property
    def enable(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'enable', default=False)
    
    @property
    def loglevel(self) -> int:
        return CoreConfig.str_to_loglevel(CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'loglevel', default="info"))
    
    @property
    def hostname(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'hostname', default="localhost")

    @property
    def port(self) -> int:
        return CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'port', default=8444)
    
    @property
    def ssl_cert(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'ssl_cert', default="cert/server.pem")
    
    @property
    def signing_key(self) -> str:
        return CoreConfig.get_config_field(self.__config, 'core', 'mucha', 'signing_key', default="cert/billing.key")

class CoreConfig(dict):
    def __init__(self) -> None:
        self.server = ServerConfig(self)
        self.title = TitleConfig(self)
        self.database = DatabaseConfig(self)
        self.frontend = FrontendConfig(self)
        self.allnet = AllnetConfig(self)
        self.billing = BillingConfig(self)
        self.aimedb = AimedbConfig(self)

    @classmethod
    def str_to_loglevel(cls, level_str: str):
        if level_str.lower() == "error":
            return logging.ERROR
        elif level_str.lower().startswith("warn"): # Fits warn or warning
            return logging.WARN
        elif level_str.lower() == "debug":
            return logging.DEBUG
        else:
             return logging.INFO

    @classmethod
    def get_config_field(cls, __config: dict, module, *path: str, default: Any = "") -> Any:
        envKey = f'CFG_{module}_'
        for arg in path:
            envKey += arg + '_'
        
        if envKey.endswith('_'):
            envKey = envKey[:-1]

        if envKey in os.environ:
            return os.environ.get(envKey)

        read = __config

        for x in range(len(path) - 1):
            read = read.get(path[x], {})

        return read.get(path[len(path) - 1], default)