from models.DatabaseType import DatabaseType
from dataclasses import dataclass

@dataclass
class DatabaseConfig:
    _host: str
    _database_type: DatabaseType | None
    _database_name: str
    _database_ssid: str
    _database_port: str

    def __init__(self, config: dict):
        self._host = config["HOST"]
        type = config["DATABASE_TYPE"]

        match type:
            case 'PSQL':
                self._database_type = DatabaseType.PSQL
            case 'ORCL':
                self._database_type = DatabaseType.ORCL
            case 'SQLITE':
                self._database_type = DatabaseType.SQLITE
            case _:
                self._database_type = None

        self._database_name = config["DATABASE_NAME"]
        self._database_ssid = config["DATABASE_SSID"]
        self._database_port = config["DATABASE_PORT"]

    @classmethod
    def create(cls, database_name: str, database_type: DatabaseType, database_ssid: str, database_port: str, host: str):
        config = {
            "HOST": host,
            "DATABASE_TYPE": database_type,
            "DATABASE_NAME": database_name,
            "DATABASE_SSID": database_ssid,
            "DATABASE_PORT": database_port,
        }
        obj = cls.__new__(cls)
        cls.__init__(obj, config)
        return obj

    @property
    def host(self) -> str:
        return self._host

    @property
    def type(self) -> DatabaseType:
        return self._database_type

    @property
    def name(self) -> str:
        return self._database_name

    @property
    def ssid(self) -> str:
        return self._database_ssid

    @property
    def port(self) -> str:
        return self._database_port