import contextlib
import uuid

from . import base_savable, tracking

__all__ = ("Process",)


class Process(
    base_savable.SimpleSavable, type_id=uuid.UUID("bcf03171-a1f1-49c7-b890-b7f9d9f9e5a2")
):
    STACK = []
    ATTRS = "_name", "_running"

    def __init__(self, name: str):
        super().__init__()
        self._name = name
        self._running = 0

    def __eq__(self, other):
        if not isinstance(other, Process):
            return False

        return self.name == other.name

    @property
    def is_running(self):
        return self._running != 0

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

    @contextlib.contextmanager
    def running(self):
        try:
            self._running += 1
            with tracking.track(self):
                yield
        finally:
            self._running -= 1
