"""Abstract class for a service running on a server"""
from abc import ABC, abstractmethod
from enum import Enum
import typing

from pydantic import BaseModel
from selfprivacy_api.jobs import Job

from selfprivacy_api.utils.block_devices import BlockDevice


class ServiceStatus(Enum):
    """Enum for service status"""

    RUNNING = "RUNNING"
    DEGRADED = "DEGRADED"
    ERROR = "ERROR"
    STOPPED = "STOPPED"
    OFF = "OFF"


class ServiceDnsRecord(BaseModel):
    type: str
    name: str
    content: str
    ttl: int
    priority: typing.Optional[int] = None


class Service(ABC):
    """
    Service here is some software that is hosted on the server and
    can be installed, configured and used by a user.
    """

    @staticmethod
    @abstractmethod
    def get_id() -> str:
        pass

    @staticmethod
    @abstractmethod
    def get_display_name() -> str:
        pass

    @staticmethod
    @abstractmethod
    def get_description() -> str:
        pass

    @staticmethod
    @abstractmethod
    def get_svg_icon() -> str:
        pass

    @staticmethod
    @abstractmethod
    def get_url() -> typing.Optional[str]:
        pass

    @staticmethod
    @abstractmethod
    def is_movable() -> bool:
        pass

    @staticmethod
    @abstractmethod
    def is_required() -> bool:
        pass

    @staticmethod
    @abstractmethod
    def is_enabled() -> bool:
        pass

    @staticmethod
    @abstractmethod
    def get_status() -> ServiceStatus:
        pass

    @staticmethod
    @abstractmethod
    def enable():
        pass

    @staticmethod
    @abstractmethod
    def disable():
        pass

    @staticmethod
    @abstractmethod
    def stop():
        pass

    @staticmethod
    @abstractmethod
    def start():
        pass

    @staticmethod
    @abstractmethod
    def restart():
        pass

    @staticmethod
    @abstractmethod
    def get_configuration():
        pass

    @staticmethod
    @abstractmethod
    def set_configuration(config_items):
        pass

    @staticmethod
    @abstractmethod
    def get_logs():
        pass

    @staticmethod
    @abstractmethod
    def get_storage_usage() -> int:
        pass

    @staticmethod
    @abstractmethod
    def get_dns_records() -> typing.List[ServiceDnsRecord]:
        pass

    @staticmethod
    @abstractmethod
    def get_location() -> str:
        pass

    @abstractmethod
    def move_to_volume(self, volume: BlockDevice) -> Job:
        pass