from typing import Optional

from office365.runtime.paths.service_operation import ServiceOperationPath
from office365.sharepoint.entity import Entity


class Principal(Entity):
    """Represents a user or group that can be assigned permissions to control security."""

    def __str__(self):
        return self.title or self.entity_type_name

    def __repr__(self):
        return self.user_principal_name or self.id or self.entity_type_name

    @property
    def id(self):
        # type: () -> Optional[int]
        """Gets a value that specifies the member identifier for the user or group."""
        return self.properties.get("Id", None)

    @property
    def title(self):
        # type: () -> Optional[str]
        """Gets a value that specifies the name of the principal."""
        return self.properties.get("Title", None)

    @title.setter
    def title(self, value):
        # type: (str) -> None
        """Sets a value that specifies the name of the principal."""
        self.set_property("Title", value)

    @property
    def login_name(self):
        # type: () -> Optional[str]
        """Gets the login name of the principal."""
        return self.properties.get("LoginName", None)

    @property
    def user_principal_name(self):
        # type: () -> Optional[str]
        """Gets the UPN of the principal."""
        return self.properties.get("UserPrincipalName", None)

    @property
    def is_hidden_in_ui(self):
        # type: () -> Optional[bool]
        """Gets the login name of the principal."""
        return self.properties.get("IsHiddenInUI", None)

    @property
    def principal_type(self):
        # type: () -> Optional[int]
        """Gets the type of the principal."""
        return self.properties.get("PrincipalType", None)

    def set_property(self, name, value, persist_changes=True):
        super(Principal, self).set_property(name, value, persist_changes)
        # fallback: create a new resource path
        if self._resource_path is None:
            if name == "Id":
                self._resource_path = ServiceOperationPath(
                    "GetById", [value], self.parent_collection.resource_path
                )
            elif name == "LoginName":
                self._resource_path = ServiceOperationPath(
                    "GetByName", [value], self.parent_collection.resource_path
                )
        return self