#!/usr/bin/env python3
import socket
import time
import sys
import os
import asyncio
import importlib

sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from src.database import Database
from src.game_engine import GameEngine
from modules import CoreCommands, Exploration, BattleSystem, PetManagement, Achievements, Admin, Inventory, GymBattles, TeamBuilder
from webserver import PetBotWebServer

class PetBotDebug:
    def __init__(self):
        print("🤖 PetBot Debug Mode - Initializing...")
        self.database = Database()
        self.game_engine = GameEngine(self.database)
        self.config = {
            "server": "irc.libera.chat",
            "port": 6667,
            "nickname": "PetBot",
            "channel": "#petz",
            "command_prefix": "!"
        }
        self.socket = None
        self.connected = False
        self.running = True
        self.active_encounters = {}
        self.modules = {}
        self.command_map = {}
        self.web_server = None
        print("✅ Basic initialization complete")
        
    def initialize_async_components(self):
        """Initialize async components"""
        print("🔄 Creating event loop...")
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
        print("✅ Event loop created")
        
        print("🔄 Initializing database...")
        loop.run_until_complete(self.database.init_database())
        print("✅ Database initialized")
        
        print("🔄 Loading game data...")
        loop.run_until_complete(self.game_engine.load_game_data())
        print("✅ Game data loaded")
        
        print("🔄 Loading modules...")
        self.load_modules()
        print("✅ Modules loaded")
        
        print("🔄 Validating player data and achievements...")
        loop.run_until_complete(self.validate_all_player_data())
        print("✅ Player data validation complete")
        
        print("🔄 Starting background validation task...")
        self.start_background_validation(loop)
        print("✅ Background validation started")
        
        print("🔄 Starting web server...")
        self.web_server = PetBotWebServer(self.database, port=8080, bot=self)
        self.web_server.start_in_thread()
        print("✅ Web server started")
        
        self.loop = loop
        print("✅ Async components ready")
    
    def load_modules(self):
        """Load all command modules"""
        module_classes = [
            CoreCommands,
            Exploration,
            BattleSystem,
            PetManagement,
            Achievements,
            Admin,
            Inventory,
            GymBattles,
            TeamBuilder
        ]
        
        self.modules = {}
        self.command_map = {}
        
        for module_class in module_classes:
            module_name = module_class.__name__
            print(f"  Loading {module_name}...")
            module_instance = module_class(self, self.database, self.game_engine)
            self.modules[module_name] = module_instance
            
            # Map commands to modules
            commands = module_instance.get_commands()
            for command in commands:
                self.command_map[command] = module_instance
            print(f"  ✅ {module_name}: {len(commands)} commands")
        
        print(f"✅ Loaded {len(self.modules)} modules with {len(self.command_map)} commands")
    
    async def validate_all_player_data(self):
        """Validate and refresh all player data on startup to prevent state loss"""
        try:
            # Get all players from database
            import aiosqlite
            async with aiosqlite.connect(self.database.db_path) as db:
                cursor = await db.execute("SELECT id, nickname FROM players")
                players = await cursor.fetchall()
            
            print(f"🔄 Found {len(players)} players to validate...")
            
            for player_id, nickname in players:
                try:
                    # Check and award any missing achievements for each player
                    new_achievements = await self.game_engine.check_all_achievements(player_id)
                    
                    if new_achievements:
                        print(f"  🏆 {nickname}: Restored {len(new_achievements)} missing achievements")
                        for achievement in new_achievements:
                            print(f"    - {achievement['name']}")
                    else:
                        print(f"  ✅ {nickname}: All achievements up to date")
                    
                    # Validate team composition 
                    team_composition = await self.database.get_team_composition(player_id)
                    if team_composition["active_pets"] == 0 and team_composition["total_pets"] > 0:
                        # Player has pets but none active - activate the first one
                        pets = await self.database.get_player_pets(player_id)
                        if pets:
                            first_pet = pets[0]
                            await self.database.activate_pet(player_id, str(first_pet["id"]))
                            print(f"  🔧 {nickname}: Auto-activated pet {first_pet['nickname'] or first_pet['species_name']} (no active pets)")
                        
                except Exception as e:
                    print(f"  ❌ Error validating {nickname}: {e}")
            
            print("✅ All player data validated and updated")
            
        except Exception as e:
            print(f"❌ Error during player data validation: {e}")
            # Don't fail startup if validation fails
    
    def start_background_validation(self, loop):
        """Start background task to periodically validate player data"""
        import asyncio
        
        async def periodic_validation():
            while True:
                try:
                    await asyncio.sleep(1800)  # Run every 30 minutes
                    print("🔄 Running periodic player data validation...")
                    await self.validate_all_player_data()
                except Exception as e:
                    print(f"❌ Error in background validation: {e}")
        
        # Create background task
        loop.create_task(periodic_validation())
    
    async def reload_modules(self):
        """Reload all modules (for admin use)"""
        try:
            # Reload module files
            import modules
            importlib.reload(modules.core_commands)
            importlib.reload(modules.exploration)
            importlib.reload(modules.battle_system)
            importlib.reload(modules.pet_management)
            importlib.reload(modules.achievements)
            importlib.reload(modules.admin)
            importlib.reload(modules)
            
            # Reinitialize modules
            print("🔄 Reloading modules...")
            self.load_modules()
            print("✅ Modules reloaded successfully")
            return True
        except Exception as e:
            print(f"❌ Module reload failed: {e}")
            return False
    
    def test_connection(self):
        """Test if we can connect to IRC"""
        print("🔄 Testing IRC connection...")
        try:
            test_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            test_sock.settimeout(5)
            test_sock.connect((self.config["server"], self.config["port"]))
            test_sock.close()
            print("✅ IRC connection test successful")
            return True
        except Exception as e:
            print(f"❌ IRC connection failed: {e}")
            return False
        
    def connect(self):
        print("🚀 Starting bot connection process...")
        
        print("🔄 Step 1: Initialize async components...")
        self.initialize_async_components()
        print("✅ Step 1 complete")
        
        print("🔄 Step 2: Test IRC connectivity...")
        if not self.test_connection():
            print("❌ IRC connection test failed - would run offline mode")
            print("✅ Bot core systems are working - IRC connection unavailable")
            return
        print("✅ Step 2 complete")
        
        print("🔄 Step 3: Create IRC socket...")
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.socket.settimeout(10)
        print("✅ Socket created")
        
        print("🔄 Step 4: Connect to IRC server...")
        try:
            self.socket.connect((self.config["server"], self.config["port"]))
            print("✅ Connected to IRC server!")
        except Exception as e:
            print(f"❌ Failed to connect: {e}")
            return
        
        print("🔄 Step 5: Send IRC handshake...")
        self.send(f"NICK {self.config['nickname']}")
        self.send(f"USER {self.config['nickname']} 0 * :{self.config['nickname']}")
        print("✅ Handshake sent")
        
        print("🔄 Step 6: Start main loop...")
        self.socket.settimeout(1)
        print("✅ Bot is now running!")
        print(f"✅ Will join {self.config['channel']} when connected")
        print(f"✅ Loaded commands: {', '.join(sorted(self.command_map.keys()))}")
        print("🎮 Ready for testing! Press Ctrl+C to stop.")
        
        self.main_loop()
    
    def main_loop(self):
        message_count = 0
        while self.running:
            try:
                data = self.socket.recv(4096).decode('utf-8', errors='ignore')
                if not data:
                    print("💀 Connection closed by server")
                    break
                    
                lines = data.strip().split('\n')
                for line in lines:
                    if line.strip():
                        message_count += 1
                        if message_count <= 10:  # Show first 10 messages for debugging
                            print(f"📨 {message_count}: {line.strip()}")
                        self.handle_line(line.strip())
                        
            except socket.timeout:
                continue
            except KeyboardInterrupt:
                print("\n🛑 Shutting down bot...")
                self.running = False
                break
            except Exception as e:
                print(f"❌ Error in main loop: {e}")
                time.sleep(1)
        
        if self.socket:
            self.socket.close()
        self.loop.close()
        print("✅ Bot shutdown complete")
    
    def send(self, message):
        if self.socket:
            full_message = f"{message}\r\n"
            print(f"📤 >> {message}")
            self.socket.send(full_message.encode('utf-8'))
    
    def handle_line(self, line):
        if line.startswith("PING"):
            pong_response = line.replace("PING", "PONG")
            self.send(pong_response)
            return
        
        # Handle connection messages
        if "376" in line or "422" in line:  # End of MOTD
            if not self.connected:
                self.send(f"JOIN {self.config['channel']}")
                self.connected = True
                print(f"🎉 Joined {self.config['channel']} - Bot is ready for commands!")
                return
        
        parts = line.split()
        if len(parts) < 4:
            return
            
        if parts[1] == "PRIVMSG":
            channel = parts[2]
            message = " ".join(parts[3:])[1:]
            
            hostmask = parts[0][1:]
            nickname = hostmask.split('!')[0]
            
            if message.startswith(self.config["command_prefix"]):
                print(f"🎮 Command from {nickname}: {message}")
                self.handle_command(channel, nickname, message)
    
    def handle_command(self, channel, nickname, message):
        from modules.base_module import BaseModule
        
        command_parts = message[1:].split()
        if not command_parts:
            return
        
        command = BaseModule.normalize_input(command_parts[0])
        args = BaseModule.normalize_input(command_parts[1:])
        
        try:
            if command in self.command_map:
                module = self.command_map[command]
                print(f"🔧 Executing {command} via {module.__class__.__name__}")
                # Run async command handler
                self.loop.run_until_complete(
                    module.handle_command(channel, nickname, command, args)
                )
            else:
                self.send_message(channel, f"{nickname}: Unknown command. Use !help for available commands.")
        except Exception as e:
            self.send_message(channel, f"{nickname}: Error processing command: {str(e)}")
            print(f"❌ Command error: {e}")
            import traceback
            traceback.print_exc()
    
    def send_message(self, target, message):
        self.send(f"PRIVMSG {target} :{message}")
        time.sleep(0.5)
    
    async def send_team_builder_pin(self, nickname, pin_code):
        """Send team builder PIN via private message"""
        if hasattr(self.modules.get('TeamBuilder'), 'send_team_builder_pin'):
            await self.modules['TeamBuilder'].send_team_builder_pin(nickname, pin_code)
        else:
            # Fallback direct PM
            message = f"🔐 Team Builder PIN: {pin_code} (expires in 10 minutes)"
            self.send_message(nickname, message)
    
    def run_async_command(self, coro):
        return self.loop.run_until_complete(coro)

if __name__ == "__main__":
    print("🐾 Starting Pet Bot for IRC (Debug Mode)...")
    bot = PetBotDebug()
    
    # Make bot instance globally accessible for webserver
    import sys
    sys.modules[__name__].bot_instance = bot
    try:
        bot.connect()
    except KeyboardInterrupt:
        print("\n🔄 Bot stopping...")
        # Gracefully shutdown the game engine
        try:
            bot.loop.run_until_complete(bot.game_engine.shutdown())
        except Exception as e:
            print(f"Error during shutdown: {e}")
        print("✅ Bot stopped by user")
    except Exception as e:
        print(f"❌ Bot crashed: {e}")
        import traceback
        traceback.print_exc()