src/services/chat_service.py

"""

Chat management service implementation.

"""

from typing import Dict, List, Tuple, Optional
from ..interfaces.service_interfaces import IChatService
from ..interfaces.game_interfaces import IGameWorld


class ChatService(IChatService):
    """Service for managing chat messages and communication."""
    
    def __init__(self, game_world: IGameWorld, plugin_service=None):
        self.game_world = game_world
        self.plugin_service = plugin_service
    
    def send_public_message(self, sender_id: str, message: str) -> bool:
        """Send a public chat message visible to all players."""
        try:
            # Process message through plugins first (for commands and enhancements)
            if self.plugin_service:
                # Check if any plugin handles this message (e.g., chat commands)
                enhanced_chat_plugin = None
                for plugin_id, plugin in self.plugin_service.loaded_plugins.items():
                    if hasattr(plugin, 'process_message') and plugin_id == 'enhanced_chat':
                        enhanced_chat_plugin = plugin
                        break
                
                if enhanced_chat_plugin and enhanced_chat_plugin.is_enabled():
                    # Process the message through the enhanced chat plugin
                    result = enhanced_chat_plugin.process_message(sender_id, message)
                    
                    # If it's a command that was processed, handle the response
                    if result.get('is_command', False):
                        command_response = result.get('command_response', '')
                        if command_response:
                            # Add command response as system message
                            self.game_world.add_chat_message(
                                sender="System",
                                message=command_response,
                                message_type="system",
                                sender_id="system"
                            )
                        return True
                    
                    # If message was modified/enhanced (emotes, etc.), use processed version
                    if result.get('processed') and result.get('valid', True):
                        message = result['processed']
            
            # Get sender player to get their name
            sender_player = self.game_world.get_player(sender_id)
            sender_name = sender_player.name if sender_player else "Unknown"
            
            # Add the message to game world
            self.game_world.add_chat_message(
                sender=sender_name,
                message=message,
                message_type="public",
                sender_id=sender_id
            )
            return True
        except Exception as e:
            print(f"[ChatService] Error sending public message: {e}")
            return False
    
    def send_private_message(self, sender_id: str, target_id: str, message: str) -> Tuple[bool, str]:
        """Send a private message between players or to NPCs."""
        try:
            sender_player = self.game_world.get_player(sender_id)
            if not sender_player:
                return False, "Sender not found"
            
            print(f"[ChatService] Sending private message from {sender_player.name} ({sender_id}) to {target_id}: {message}")
            
            # Check if target is a player
            target_player = self.game_world.get_player(target_id)
            if target_player:
                # Send to player
                self.game_world.add_chat_message(
                    sender=f"🔒 {sender_player.name}",
                    message=f"[Private to {target_player.name}]: {message}",
                    message_type="private_to_player",
                    target=target_id,
                    sender_id=sender_id
                )
                return True, f"Message sent to {target_player.name}"
            else:
                # Check if target is an NPC
                all_npcs = self.game_world.get_all_npcs() if hasattr(self.game_world, 'get_all_npcs') else {}
                if not all_npcs:
                    # Fallback: check direct access to npcs attribute
                    all_npcs = getattr(self.game_world, 'npcs', {})
                
                if target_id in all_npcs:
                    npc = all_npcs[target_id]
                    npc_name = npc.get('name', target_id)
                    
                    # Send player's message
                    self.game_world.add_chat_message(
                        sender=f"🔒 {sender_player.name}",
                        message=f"[Private to {npc_name}]: {message}",
                        message_type="private_to_npc",
                        target=target_id,
                        sender_id=sender_id
                    )
                    
                    # Generate and send NPC response
                    npc_response = self._get_npc_response(target_id, message, sender_id)
                    self.game_world.add_chat_message(
                        sender=f"🤖 {npc_name}",
                        message=npc_response,
                        message_type="private_from_npc",
                        target=sender_id,
                        sender_id=target_id
                    )
                    
                    print(f"[ChatService] NPC {npc_name} responded: {npc_response}")
                    return True, f"Message sent to {npc_name}"
                else:
                    return False, "Target not found"
        
        except Exception as e:
            print(f"[ChatService] Error sending private message: {e}")
            return False, f"Error: {str(e)}"
    
    def get_chat_history(self, limit: int = None) -> List[Dict]:
        """Get chat message history."""
        try:
            if hasattr(self.game_world, 'get_chat_history'):
                return self.game_world.get_chat_history(limit)
            else:
                # Fallback - access chat_messages directly
                messages = getattr(self.game_world, 'chat_messages', [])
                if limit:
                    return messages[-limit:]
                return messages
        except Exception as e:
            print(f"[ChatService] Error getting chat history: {e}")
            return []
    
    def add_system_message(self, message: str) -> bool:
        """Add a system message to the chat."""
        try:
            self.game_world.add_chat_message(
                sender="System",
                message=message,
                message_type="system"
            )
            return True
        except Exception as e:
            print(f"[ChatService] Error adding system message: {e}")
            return False
    
    def broadcast_message(self, message: str, message_type: str = "announcement") -> bool:
        """Broadcast a message to all players."""
        try:
            self.game_world.add_chat_message(
                sender="System",
                message=f"📢 {message}",
                message_type=message_type
            )
            return True
        except Exception as e:
            print(f"[ChatService] Error broadcasting message: {e}")
            return False
    
    def send_npc_message(self, npc_id: str, message: str, target_player_id: str = None) -> bool:
        """Send a message from an NPC."""
        try:
            # Get NPC data
            all_npcs = getattr(self.game_world, 'npcs', {})
            npc = all_npcs.get(npc_id)
            if not npc:
                return False
            
            npc_name = npc.get('name', npc_id)
            
            if target_player_id:
                # Private message to specific player
                self.game_world.add_chat_message(
                    sender=npc_name,
                    message=message,
                    message_type="npc_private",
                    target=target_player_id,
                    sender_id=npc_id
                )
            else:
                # Public message from NPC
                self.game_world.add_chat_message(
                    sender=npc_name,
                    message=message,
                    message_type="npc_public",
                    sender_id=npc_id
                )
            
            return True
        except Exception as e:
            print(f"[ChatService] Error sending NPC message: {e}")
            return False
    
    def filter_messages_by_type(self, message_type: str) -> List[Dict]:
        """Filter chat messages by type."""
        try:
            all_messages = self.get_chat_history()
            return [msg for msg in all_messages if msg.get('type') == message_type]
        except Exception as e:
            print(f"[ChatService] Error filtering messages: {e}")
            return []
    
    def get_recent_messages(self, count: int = 10) -> List[Dict]:
        """Get the most recent chat messages."""
        return self.get_chat_history(limit=count)
    
    def _get_npc_response(self, npc_id: str, message: str, player_id: str = None) -> str:
        """Generate NPC response - checks for addons first, then falls back to generic responses"""
        all_npcs = getattr(self.game_world, 'npcs', {})
        npc = all_npcs.get(npc_id)
        if not npc:
            return "I don't understand."
        
        # Check if this NPC has an addon that can handle commands
        addon_npcs = getattr(self.game_world, 'addon_npcs', {})
        if npc_id in addon_npcs and player_id:
            addon = addon_npcs[npc_id]
            try:
                response = addon.handle_command(player_id, message)
                if response:
                    return response
            except Exception as e:
                print(f"[ChatService] NPC addon error: {e}")
                # Fall through to default responses
        
        # Fall back to personality-based or ID-based responses
        personality = npc.get('personality', npc_id)
        
        # Personality-based responses
        responses = {
            'wise_teacher': [
                "📚 Knowledge is power! What would you like to learn today?",
                "🎓 In my experience, every question leads to wisdom. Ask away!",
                "📖 I sense curiosity in your words. How can I enlighten you?",
                "🔍 Learning never ends. What mysteries shall we explore?"
            ],
            'comedian': [
                "🎭 Ha! That's funnier than my last joke... and that's saying something!",
                "😂 You know what they say - laughter is the best medicine! *wink*",
                "🃏 I've got a million jokes, but they're all terrible! Want to hear one?",
                "🎪 Life's a comedy show, and we're all just trying not to trip on stage!"
            ],
            'tough_trainer': [
                "⚔️ Steel yourself, warrior! Every challenge makes you stronger!",
                "💪 No pain, no gain! Are you ready for real training?",
                "🛡️ A true fighter learns from every battle. What will you learn today?",
                "⚡ Victory belongs to those who never give up! Show me your spirit!"
            ],
            'gentle_healer': [
                "💚 Peace be with you, traveler. How may I ease your burdens?",
                "✨ Healing comes from within as much as without. Stay strong.",
                "🌿 Nature provides all we need for wellness. Trust in its power.",
                "🕊️ A kind heart heals faster than any potion. Remember that."
            ],
            'traveler': [
                "🚶 The road teaches many lessons. Where has your journey taken you?",
                "🗺️ I've seen many lands and met many souls. Each has a story to tell.",
                "⛰️ Adventures await around every corner! What calls to your spirit?",
                "🌅 Every sunrise brings new possibilities. What will you discover today?"
            ],
            'mystical_sage': [
                "🧙 The threads of fate weave in mysterious ways...",
                "🔮 Ancient wisdom whispers secrets to those who listen carefully.",
                "⭐ The stars hold answers for those patient enough to seek them.",
                "🌙 Magic flows through all things. Can you feel its presence?"
            ]
        }
        
        # Default responses by NPC ID
        default_responses = {
            'merchant': [
                "🏪 Welcome to my shop! Looking for anything special today?",
                "💰 I've got the finest wares in all the land! What catches your eye?",
                "📦 Trade is the lifeblood of adventure! What do you need?",
                "💎 Quality goods at fair prices! That's my motto!"
            ],
            'read2burn_mailbox': [
                "📮 Secure messaging at your service! Your secrets are safe with me.",
                "🔒 Need to send a confidential message? I'm your mailbox!",
                "📧 Self-destructing messages for ultimate privacy!",
                "🗂️ Your private communications, protected and secure."
            ],
            'weather_oracle': [
                "🌤️ The winds whisper of weather patterns... what location interests you?",
                "⛅ I can read the skies! Tell me where you wish to know the weather.",
                "🌦️ Weather knowledge is my domain! Ask about any location!",
                "🌈 From sunshine to storms, I know it all! Where shall I forecast?"
            ]
        }
        
        # Choose appropriate response list
        response_list = responses.get(personality) or default_responses.get(npc_id) or [
            "Hello there! How can I help you?",
            "Greetings, traveler! What brings you to me?",
            "Good day! Is there something you need?",
            "Welcome! How may I assist you today?"
        ]
        
        import random
        return random.choice(response_list)