"""
Conversation manager for FleetMind chat
Handles conversation state and history
"""

import logging
from typing import List, Dict

logger = logging.getLogger(__name__)


class ConversationManager:
    """Manage conversation state and history"""

    def __init__(self):
        self.history = []
        self.tool_calls = []  # Track all tool calls for transparency
        self.order_context = {}  # Accumulated order details

    def add_message(self, role: str, content: str):
        """
        Add message to conversation history

        Args:
            role: "user" or "assistant"
            content: Message content
        """
        self.history.append({
            "role": role,
            "content": content
        })

    def add_tool_result(self, tool_name: str, tool_input: dict, tool_result: dict):
        """
        Track tool usage for transparency

        Args:
            tool_name: Name of the tool called
            tool_input: Input parameters
            tool_result: Result from tool execution
        """
        self.tool_calls.append({
            "tool": tool_name,
            "input": tool_input,
            "result": tool_result
        })

    def get_history(self) -> List[Dict]:
        """Get full conversation history"""
        return self.history

    def get_tool_calls(self) -> List[Dict]:
        """Get all tool calls made in this conversation"""
        return self.tool_calls

    def get_last_tool_call(self) -> Dict:
        """Get the most recent tool call"""
        if self.tool_calls:
            return self.tool_calls[-1]
        return {}

    def clear_tool_calls(self):
        """Clear tool call history"""
        self.tool_calls = []

    def reset(self):
        """Start a new conversation"""
        self.history = []
        self.tool_calls = []
        self.order_context = {}
        logger.info("Conversation reset")

    def get_message_count(self) -> int:
        """Get number of messages in conversation"""
        return len(self.history)

    def get_formatted_history(self) -> List[Dict]:
        """
        Get history formatted for Gradio chatbot (messages format)

        Returns:
            List of message dictionaries with 'role' and 'content' keys
        """
        # For Gradio type="messages", return list of dicts with role/content
        return self.history