# © Crown-owned copyright 2025, Defence Science and Technology Laboratory UK
"""Actions for performing login and logout on local and remote hosts."""
from abc import ABC, abstractmethod

from primaite.game.agent.actions.manager import AbstractAction
from primaite.interface.request import RequestFormat

__all__ = (
    "NodeSessionsRemoteLoginAction",
    "NodeSessionsRemoteLogoutAction",
    "NodeAccountChangePasswordAction",
)


class NodeSessionAbstractAction(AbstractAction, ABC):
    """Base class for NodeSession actions."""

    class ConfigSchema(AbstractAction.ConfigSchema, ABC):
        """Base configuration schema for NodeSessionAbstractActions."""

        node_name: str
        remote_ip: str

    @classmethod
    @abstractmethod
    def form_request(cls, config: ConfigSchema) -> RequestFormat:
        """
        Abstract method for request forming.

        Should return the action formatted as a request which can be ingested by the PrimAITE simulation.
        """
        pass


class NodeSessionsRemoteLoginAction(NodeSessionAbstractAction, discriminator="node-session-remote-login"):
    """Action which performs a remote session login."""

    class ConfigSchema(NodeSessionAbstractAction.ConfigSchema):
        """Configuration schema for NodeSessionsRemoteLoginAction."""

        username: str
        password: str

    @classmethod
    def form_request(cls, config: ConfigSchema) -> RequestFormat:
        """Return the action formatted as a request which can be ingested by the PrimAITE simulation."""
        if config.node_name is None or config.remote_ip is None:
            return ["do-nothing"]
        return [
            "network",
            "node",
            config.node_name,
            "service",
            "terminal",
            "node_session_remote_login",
            config.username,
            config.password,
            config.remote_ip,
        ]


class NodeSessionsRemoteLogoutAction(NodeSessionAbstractAction, discriminator="node-session-remote-logoff"):
    """Action which performs a remote session logout."""

    class ConfigSchema(NodeSessionAbstractAction.ConfigSchema):
        """Configuration schema for NodeSessionsRemoteLogoutAction."""

        verb: str = "remote_logoff"

    @classmethod
    def form_request(cls, config: ConfigSchema) -> RequestFormat:
        """Return the action formatted as a request which can be ingested by the PrimAITE simulation."""
        if config.node_name is None or config.remote_ip is None:
            return ["do-nothing"]
        return ["network", "node", config.node_name, "service", "terminal", config.verb, config.remote_ip]


class NodeAccountChangePasswordAction(AbstractAction, discriminator="node-account-change-password"):
    """Action which changes the password for a user."""

    class ConfigSchema(AbstractAction.ConfigSchema):
        """Configuration schema for NodeAccountsChangePasswordAction."""

        node_name: str
        username: str
        current_password: str
        new_password: str

    @classmethod
    def form_request(cls, config: ConfigSchema) -> RequestFormat:
        """Return the action formatted as a request which can be ingested by the PrimAITE simulation."""
        return [
            "network",
            "node",
            config.node_name,
            "service",
            "user-manager",
            "change_password",
            config.username,
            config.current_password,
            config.new_password,
        ]