"""Player state and registry."""

from dataclasses import dataclass, field
from typing import Any

from mudlib.entity import Entity


@dataclass
class Player(Entity):
    """Represents a connected player."""

    writer: Any = None  # telnetlib3 TelnetWriter for sending output
    reader: Any = None  # telnetlib3 TelnetReader for reading input
    flying: bool = False
    mode_stack: list[str] = field(default_factory=lambda: ["normal"])

    @property
    def mode(self) -> str:
        """Current mode is the top of the stack."""
        return self.mode_stack[-1]

    async def send(self, message: str) -> None:
        """Send a message to the player via their telnet writer."""
        self.writer.write(message)
        await self.writer.drain()


# Global registry of connected players
players: dict[str, Player] = {}