"""
Durable Objects integration for OpenManus
Provides interface to Cloudflare Durable Objects operations
"""

import json
import time
from typing import Any, Dict, List, Optional

from app.logger import logger

from .client import CloudflareClient, CloudflareError


class DurableObjects:
    """Cloudflare Durable Objects client"""

    def __init__(self, client: CloudflareClient):
        self.client = client

    async def create_agent_session(
        self, session_id: str, user_id: str, metadata: Optional[Dict[str, Any]] = None
    ) -> Dict[str, Any]:
        """Create a new agent session"""

        session_data = {
            "sessionId": session_id,
            "userId": user_id,
            "metadata": metadata or {},
        }

        try:
            response = await self.client.post(
                f"do/agent/{session_id}/start", data=session_data, use_worker=True
            )

            return {
                "success": True,
                "session_id": session_id,
                "user_id": user_id,
                **response,
            }

        except CloudflareError as e:
            logger.error(f"Failed to create agent session: {e}")
            raise

    async def get_agent_session_status(self, session_id: str) -> Dict[str, Any]:
        """Get agent session status"""

        try:
            response = await self.client.get(
                f"do/agent/{session_id}/status?sessionId={session_id}", use_worker=True
            )

            return response

        except CloudflareError as e:
            logger.error(f"Failed to get agent session status: {e}")
            raise

    async def update_agent_session(
        self, session_id: str, updates: Dict[str, Any]
    ) -> Dict[str, Any]:
        """Update agent session"""

        update_data = {"sessionId": session_id, "updates": updates}

        try:
            response = await self.client.post(
                f"do/agent/{session_id}/update", data=update_data, use_worker=True
            )

            return {"success": True, "session_id": session_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to update agent session: {e}")
            raise

    async def stop_agent_session(self, session_id: str) -> Dict[str, Any]:
        """Stop agent session"""

        try:
            response = await self.client.post(
                f"do/agent/{session_id}/stop",
                data={"sessionId": session_id},
                use_worker=True,
            )

            return {"success": True, "session_id": session_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to stop agent session: {e}")
            raise

    async def add_agent_message(
        self, session_id: str, message: Dict[str, Any]
    ) -> Dict[str, Any]:
        """Add a message to agent session"""

        message_data = {
            "sessionId": session_id,
            "message": {"timestamp": int(time.time()), **message},
        }

        try:
            response = await self.client.post(
                f"do/agent/{session_id}/messages", data=message_data, use_worker=True
            )

            return {"success": True, "session_id": session_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to add agent message: {e}")
            raise

    async def get_agent_messages(
        self, session_id: str, limit: int = 50, offset: int = 0
    ) -> Dict[str, Any]:
        """Get agent session messages"""

        try:
            response = await self.client.get(
                f"do/agent/{session_id}/messages?sessionId={session_id}&limit={limit}&offset={offset}",
                use_worker=True,
            )

            return response

        except CloudflareError as e:
            logger.error(f"Failed to get agent messages: {e}")
            raise

    # Chat Room methods
    async def join_chat_room(
        self,
        room_id: str,
        user_id: str,
        username: str,
        room_config: Optional[Dict[str, Any]] = None,
    ) -> Dict[str, Any]:
        """Join a chat room"""

        join_data = {
            "userId": user_id,
            "username": username,
            "roomConfig": room_config or {},
        }

        try:
            response = await self.client.post(
                f"do/chat/{room_id}/join", data=join_data, use_worker=True
            )

            return {"success": True, "room_id": room_id, "user_id": user_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to join chat room: {e}")
            raise

    async def leave_chat_room(self, room_id: str, user_id: str) -> Dict[str, Any]:
        """Leave a chat room"""

        leave_data = {"userId": user_id}

        try:
            response = await self.client.post(
                f"do/chat/{room_id}/leave", data=leave_data, use_worker=True
            )

            return {"success": True, "room_id": room_id, "user_id": user_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to leave chat room: {e}")
            raise

    async def get_chat_room_info(self, room_id: str) -> Dict[str, Any]:
        """Get chat room information"""

        try:
            response = await self.client.get(f"do/chat/{room_id}/info", use_worker=True)

            return response

        except CloudflareError as e:
            logger.error(f"Failed to get chat room info: {e}")
            raise

    async def send_chat_message(
        self,
        room_id: str,
        user_id: str,
        username: str,
        content: str,
        message_type: str = "text",
    ) -> Dict[str, Any]:
        """Send a message to chat room"""

        message_data = {
            "userId": user_id,
            "username": username,
            "content": content,
            "messageType": message_type,
        }

        try:
            response = await self.client.post(
                f"do/chat/{room_id}/messages", data=message_data, use_worker=True
            )

            return {"success": True, "room_id": room_id, **response}

        except CloudflareError as e:
            logger.error(f"Failed to send chat message: {e}")
            raise

    async def get_chat_messages(
        self, room_id: str, limit: int = 50, offset: int = 0
    ) -> Dict[str, Any]:
        """Get chat room messages"""

        try:
            response = await self.client.get(
                f"do/chat/{room_id}/messages?limit={limit}&offset={offset}",
                use_worker=True,
            )

            return response

        except CloudflareError as e:
            logger.error(f"Failed to get chat messages: {e}")
            raise

    async def get_chat_participants(self, room_id: str) -> Dict[str, Any]:
        """Get chat room participants"""

        try:
            response = await self.client.get(
                f"do/chat/{room_id}/participants", use_worker=True
            )

            return response

        except CloudflareError as e:
            logger.error(f"Failed to get chat participants: {e}")
            raise

    # WebSocket connection helpers
    def get_agent_websocket_url(self, session_id: str, user_id: str) -> str:
        """Get WebSocket URL for agent session"""

        if not self.client.worker_url:
            raise CloudflareError("Worker URL not configured")

        base_url = self.client.worker_url.replace("https://", "wss://").replace(
            "http://", "ws://"
        )
        return (
            f"{base_url}/do/agent/{session_id}?sessionId={session_id}&userId={user_id}"
        )

    def get_chat_websocket_url(self, room_id: str, user_id: str, username: str) -> str:
        """Get WebSocket URL for chat room"""

        if not self.client.worker_url:
            raise CloudflareError("Worker URL not configured")

        base_url = self.client.worker_url.replace("https://", "wss://").replace(
            "http://", "ws://"
        )
        return f"{base_url}/do/chat/{room_id}?userId={user_id}&username={username}"


class DurableObjectsWebSocket:
    """Helper class for WebSocket connections to Durable Objects"""

    def __init__(self, url: str):
        self.url = url
        self.websocket = None
        self.connected = False
        self.message_handlers = {}

    async def connect(self):
        """Connect to WebSocket"""
        try:
            import websockets

            self.websocket = await websockets.connect(self.url)
            self.connected = True
            logger.info(f"Connected to Durable Object WebSocket: {self.url}")

            # Start message handling loop
            import asyncio

            asyncio.create_task(self._message_loop())

        except Exception as e:
            logger.error(f"Failed to connect to WebSocket: {e}")
            raise CloudflareError(f"WebSocket connection failed: {e}")

    async def disconnect(self):
        """Disconnect from WebSocket"""
        if self.websocket and self.connected:
            await self.websocket.close()
            self.connected = False
            logger.info("Disconnected from Durable Object WebSocket")

    async def send_message(self, message_type: str, payload: Dict[str, Any]):
        """Send message via WebSocket"""
        if not self.connected or not self.websocket:
            raise CloudflareError("WebSocket not connected")

        message = {
            "type": message_type,
            "payload": payload,
            "timestamp": int(time.time()),
        }

        try:
            await self.websocket.send(json.dumps(message))
        except Exception as e:
            logger.error(f"Failed to send WebSocket message: {e}")
            raise CloudflareError(f"Failed to send message: {e}")

    def add_message_handler(self, message_type: str, handler):
        """Add a message handler for specific message types"""
        if message_type not in self.message_handlers:
            self.message_handlers[message_type] = []
        self.message_handlers[message_type].append(handler)

    async def _message_loop(self):
        """Handle incoming WebSocket messages"""
        try:
            async for message in self.websocket:
                try:
                    data = json.loads(message)
                    message_type = data.get("type")

                    if message_type in self.message_handlers:
                        for handler in self.message_handlers[message_type]:
                            try:
                                if callable(handler):
                                    if asyncio.iscoroutinefunction(handler):
                                        await handler(data)
                                    else:
                                        handler(data)
                            except Exception as e:
                                logger.error(f"Message handler error: {e}")

                except json.JSONDecodeError as e:
                    logger.error(f"Failed to parse WebSocket message: {e}")
                except Exception as e:
                    logger.error(f"WebSocket message processing error: {e}")

        except Exception as e:
            logger.error(f"WebSocket message loop error: {e}")
            self.connected = False

    # Context manager support
    async def __aenter__(self):
        await self.connect()
        return self

    async def __aexit__(self, exc_type, exc_val, exc_tb):
        await self.disconnect()