"""Message tool for sending messages to users."""

from typing import Any, Awaitable, Callable

from debot.agent.tools._base_py import Tool
from debot.bus import OutboundMessage


class MessageTool(Tool):
    """Tool to send messages to users on chat channels."""

    def __init__(
        self,
        send_callback: Callable[[OutboundMessage], Awaitable[None]] | None = None,
        default_channel: str = "",
        default_chat_id: str = "",
    ):
        self._send_callback = send_callback
        self._default_channel = default_channel
        self._default_chat_id = default_chat_id

    def set_context(self, channel: str, chat_id: str) -> None:
        """Set the current message context."""
        self._default_channel = channel
        self._default_chat_id = chat_id

    def set_send_callback(self, callback: Callable[[OutboundMessage], Awaitable[None]]) -> None:
        """Set the callback for sending messages."""
        self._send_callback = callback

    @property
    def name(self) -> str:
        return "message"

    @property
    def description(self) -> str:
        return "Send a message to the user. Use this when you want to communicate something."

    @property
    def parameters(self) -> dict[str, Any]:
        return {
            "type": "object",
            "properties": {
                "content": {"type": "string", "description": "The message content to send"},
                "channel": {
                    "type": "string",
                    "description": "Optional: target channel (telegram, discord, etc.)",
                },
                "chat_id": {"type": "string", "description": "Optional: target chat/user ID"},
            },
            "required": ["content"],
        }

    async def execute(self, content: str, channel: str | None = None, chat_id: str | None = None, **kwargs: Any) -> str:
        channel = channel or self._default_channel
        chat_id = chat_id or self._default_chat_id

        if not channel or not chat_id:
            return "Error: No target channel/chat specified"

        if not self._send_callback:
            return "Error: Message sending not configured"

        msg = OutboundMessage(channel=channel, chat_id=chat_id, content=content)

        try:
            await self._send_callback(msg)
            return f"Message sent to {channel}:{chat_id}"
        except Exception as e:
            return f"Error sending message: {str(e)}"
