#!/usr/bin/env python3
"""
Management Commands - Handles management and monitoring Telegram commands.
"""

import logging
import os
import platform
import sys
from datetime import datetime, timedelta
from telegram import Update, ReplyKeyboardMarkup, KeyboardButton, InlineKeyboardMarkup
from telegram.ext import ContextTypes
import json

from src.config.config import Config
from src.monitoring.alarm_manager import AlarmManager

logger = logging.getLogger(__name__)

class ManagementCommands:
    """Handles all management-related Telegram commands."""
    
    def __init__(self, trading_engine, market_monitor):
        """Initialize with trading engine and market monitor."""
        self.trading_engine = trading_engine
        self.market_monitor = market_monitor
        self.alarm_manager = AlarmManager()
    
    def _is_authorized(self, chat_id: str) -> bool:
        """Check if the chat ID is authorized."""
        return str(chat_id) == str(Config.TELEGRAM_CHAT_ID)
    
    async def monitoring_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /monitoring command."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        # Get alarm statistics
        alarm_stats = self.alarm_manager.get_statistics()
        
        # Get balance adjustments info
        stats = self.trading_engine.get_stats()
        adjustments_summary = stats.get_balance_adjustments_summary() if stats else {
            'total_deposits': 0, 'total_withdrawals': 0, 'net_adjustment': 0, 'adjustment_count': 0
        }
        
        # Safety checks for monitoring attributes
        monitoring_active = self.market_monitor.is_running
        
        status_text = f"""
🔄 <b>System Monitoring Status</b>

📊 <b>Order Monitoring:</b>
• Active: {'✅ Yes' if monitoring_active else '❌ No'}
• Check Interval: {Config.BOT_HEARTBEAT_SECONDS} seconds
• Market Monitor: {'✅ Running' if monitoring_active else '❌ Stopped'}

💰 <b>Balance Tracking:</b>
• Total Adjustments: {adjustments_summary['adjustment_count']}
• Net Adjustment: ${adjustments_summary['net_adjustment']:,.2f}

🔔 <b>Price Alarms:</b>
• Active Alarms: {alarm_stats['total_active']}
• Triggered Today: {alarm_stats['total_triggered']}
• Tokens Monitored: {alarm_stats['tokens_tracked']}
• Next Alarm ID: {alarm_stats['next_id']}

🔄 <b>External Trade Monitoring:</b>
• Auto Stats Update: ✅ Enabled
• External Notifications: ✅ Enabled

🛡️ <b>Risk Management:</b>
• Automatic Stop Loss: {'✅ Enabled' if hasattr(Config, 'RISK_MANAGEMENT_ENABLED') and Config.RISK_MANAGEMENT_ENABLED else '❌ Disabled'}
• Order-based Stop Loss: ✅ Enabled

📈 <b>Notifications:</b>
• 🚀 Position Opened/Increased
• 📉 Position Partially/Fully Closed
• 🎯 P&L Calculations
• 🔔 Price Alarm Triggers
• 🔄 External Trade Detection
• 🛑 Order-based Stop Loss Placement

💾 <b>Bot State Persistence:</b>
• Trading Engine State: ✅ Saved
• Order Tracking: ✅ Saved
• State Survives Restarts: ✅ Yes

⏰ <b>Last Check:</b> {datetime.now().strftime('%H:%M:%S')}

💡 <b>Monitoring Features:</b>
• Real-time order fill detection
• Automatic P&L calculation
• Position change tracking
• Price alarm monitoring
• External trade monitoring
• Auto stats synchronization
• Order-based stop loss placement
• Instant Telegram notifications
        """
        
        if alarm_stats['token_breakdown']:
            status_text += f"\n\n📋 <b>Active Alarms by Token:</b>\n"
            for token, count in alarm_stats['token_breakdown'].items():
                status_text += f"• {token}: {count} alarm{'s' if count != 1 else ''}\n"
        
        await context.bot.send_message(chat_id=chat_id, text=status_text.strip(), parse_mode='HTML')
    
    async def alarm_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /alarm command."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        try:
            if not context.args or len(context.args) == 0:
                # No arguments - list all alarms
                alarms = self.alarm_manager.get_all_active_alarms()
                message = self.alarm_manager.format_alarm_list(alarms)
                await context.bot.send_message(chat_id=chat_id, text=message, parse_mode='HTML')
                return
            
            elif len(context.args) == 1:
                arg = context.args[0]
                
                # Check if argument is a number (alarm ID to remove)
                try:
                    alarm_id = int(arg)
                    # Remove alarm by ID
                    if self.alarm_manager.remove_alarm(alarm_id):
                        await context.bot.send_message(chat_id=chat_id, text=f"✅ Alarm ID {alarm_id} has been removed.")
                    else:
                        await context.bot.send_message(chat_id=chat_id, text=f"❌ Alarm ID {alarm_id} not found.")
                    return
                except ValueError:
                    # Not a number, treat as token
                    token = arg.upper()
                    alarms = self.alarm_manager.get_alarms_by_token(token)
                    message = self.alarm_manager.format_alarm_list(alarms, f"{token} Price Alarms")
                    await context.bot.send_message(chat_id=chat_id, text=message, parse_mode='HTML')
                    return
            
            elif len(context.args) == 2:
                # Set new alarm: /alarm TOKEN PRICE
                token = context.args[0].upper()
                target_price = float(context.args[1])
                
                # Get current market price
                symbol = f"{token}/USDC:USDC"
                market_data = self.trading_engine.get_market_data(symbol)
                
                if not market_data or not market_data.get('ticker'):
                    await context.bot.send_message(chat_id=chat_id, text=f"❌ Could not fetch current price for {token}")
                    return
                
                current_price = float(market_data['ticker'].get('last', 0))
                if current_price <= 0:
                    await context.bot.send_message(chat_id=chat_id, text=f"❌ Invalid current price for {token}")
                    return
                
                # Create the alarm
                alarm = self.alarm_manager.create_alarm(token, target_price, current_price)
                
                # Format confirmation message
                direction_emoji = "📈" if alarm['direction'] == 'above' else "📉"
                price_diff = abs(target_price - current_price)
                price_diff_percent = (price_diff / current_price) * 100
                
                message = f"""
✅ <b>Price Alarm Created</b>

📊 <b>Alarm Details:</b>
• Alarm ID: {alarm['id']}
• Token: {token}
• Target Price: ${target_price:,.2f}
• Current Price: ${current_price:,.2f}
• Direction: {alarm['direction'].upper()}

{direction_emoji} <b>Alert Condition:</b>
Will trigger when {token} price moves {alarm['direction']} ${target_price:,.2f}

💰 <b>Price Difference:</b>
• Distance: ${price_diff:,.2f} ({price_diff_percent:.2f}%)
• Status: ACTIVE ✅

⏰ <b>Created:</b> {datetime.now().strftime('%H:%M:%S')}

💡 The alarm will be checked every {Config.BOT_HEARTBEAT_SECONDS} seconds and you'll receive a notification when triggered.
                """
                
                await context.bot.send_message(chat_id=chat_id, text=message.strip(), parse_mode='HTML')
                
            else:
                # Too many arguments
                await context.bot.send_message(chat_id=chat_id, text=(
                    "❌ Invalid usage. Examples:\n\n"
                    "• <code>/alarm</code> - List all alarms\n"
                    "• <code>/alarm BTC</code> - List BTC alarms\n"
                    "• <code>/alarm BTC 50000</code> - Set alarm for BTC at $50,000\n"
                    "• <code>/alarm 3</code> - Remove alarm ID 3"
                ), parse_mode='HTML')
                
        except ValueError:
            await context.bot.send_message(chat_id=chat_id, text="❌ Invalid price format. Please use numbers only.")
        except Exception as e:
            error_message = f"❌ Error processing alarm command: {str(e)}"
            await context.bot.send_message(chat_id=chat_id, text=error_message)
            logger.error(f"Error in alarm command: {e}")
    
    async def logs_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /logs command."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        try:
            logs_dir = "logs"
            
            if not os.path.exists(logs_dir):
                await context.bot.send_message(chat_id=chat_id, text="📜 No logs directory found.")
                return
            
            # Get log files
            log_files = [f for f in os.listdir(logs_dir) if f.endswith('.log')]
            
            if not log_files:
                await context.bot.send_message(chat_id=chat_id, text="📜 No log files found.")
                return
            
            # Handle cleanup command
            if context.args and context.args[0].lower() == 'cleanup':
                days_to_keep = 30  # Default
                if len(context.args) > 1:
                    try:
                        days_to_keep = int(context.args[1])
                    except ValueError:
                        await context.bot.send_message(chat_id=chat_id, text="❌ Invalid number of days. Using default (30 days).")
                
                # Clean up old log files
                cutoff_date = datetime.now() - timedelta(days=days_to_keep)
                cleaned_files = 0
                total_size_cleaned = 0
                
                for log_file in log_files:
                    file_path = os.path.join(logs_dir, log_file)
                    file_stat = os.stat(file_path)
                    file_date = datetime.fromtimestamp(file_stat.st_mtime)
                    
                    if file_date < cutoff_date:
                        file_size = file_stat.st_size
                        os.remove(file_path)
                        cleaned_files += 1
                        total_size_cleaned += file_size
                
                size_cleaned_mb = total_size_cleaned / (1024 * 1024)
                await context.bot.send_message(chat_id=chat_id, text=
                    f"🧹 Log cleanup complete.\n"
                    f"• Files older than {days_to_keep} days removed.\n"
                    f"• Total files deleted: {cleaned_files}\n"
                    f"• Total size cleaned: {size_cleaned_mb:.2f} MB"
                )
                return
            
            # Show log statistics
            total_size = 0
            oldest_file = None
            newest_file = None
            recent_files = []
            
            for log_file in sorted(log_files):
                file_path = os.path.join(logs_dir, log_file)
                file_stat = os.stat(file_path)
                file_size = file_stat.st_size
                file_date = datetime.fromtimestamp(file_stat.st_mtime)
                
                total_size += file_size
                
                if oldest_file is None or file_date < oldest_file[1]:
                    oldest_file = (log_file, file_date)
                
                if newest_file is None or file_date > newest_file[1]:
                    newest_file = (log_file, file_date)
                
                # Keep track of recent files
                if len(recent_files) < 5:
                    recent_files.append((log_file, file_size, file_date))
            
            logs_message = f"""
📜 <b>System Logging Status</b>

📁 <b>Log Directory:</b> {logs_dir}/
• Total Files: {len(log_files)}
• Total Size: {total_size / 1024 / 1024:.2f} MB
• Oldest File: {oldest_file[0]} ({oldest_file[1].strftime('%m/%d/%Y')})
• Newest File: {newest_file[0]} ({newest_file[1].strftime('%m/%d/%Y')})

📋 <b>Recent Log Files:</b>
            """
            
            for log_file, file_size, file_date in reversed(recent_files):
                size_mb = file_size / 1024 / 1024
                logs_message += f"• {log_file} ({size_mb:.2f} MB) - {file_date.strftime('%m/%d %H:%M')}\n"
            
            logs_message += f"""

📊 <b>Log Management:</b>
• Location: ./logs/
• Rotation: Daily
• Retention: Manual cleanup available
• Format: timestamp - module - level - message

🧹 <b>Cleanup Commands:</b>
• <code>/logs cleanup</code> - Remove logs older than 30 days
• <code>/logs cleanup 7</code> - Remove logs older than 7 days

💡 <b>Log Levels:</b>
• INFO: Normal operations
• ERROR: Error conditions
• DEBUG: Detailed debugging (if enabled)
            """
            
            await context.bot.send_message(chat_id=chat_id, text=logs_message.strip(), parse_mode='HTML')
            
        except Exception as e:
            error_message = f"❌ Error processing logs command: {str(e)}"
            await context.bot.send_message(chat_id=chat_id, text=error_message)
            logger.error(f"Error in logs command: {e}")
    
    async def debug_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /debug command."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        try:
            # Get system information
            debug_info = f"""
🐛 <b>Debug Information</b>

💻 <b>System Info:</b>
• Python: {sys.version.split()[0]}
• Platform: {platform.system()} {platform.release()}
• Architecture: {platform.machine()}

📊 <b>Trading Engine:</b>
• Stats Available: {'✅ Yes' if self.trading_engine.get_stats() else '❌ No'}
• Client Connected: {'✅ Yes' if self.trading_engine.client else '❌ No'}

🔄 <b>Market Monitor:</b>
• Running: {'✅ Yes' if self.market_monitor.is_running else '❌ No'}

📁 <b>State Files:</b>
• Trading Engine State: {'✅ Exists' if os.path.exists('data/trading_engine_state.json') else '❌ Missing'}
• Price Alarms: {'✅ Exists' if os.path.exists('data/price_alarms.json') else '❌ Missing'}
• Trading Stats: {'✅ Exists' if os.path.exists('data/trading_stats.json') else '❌ Missing'}

🔔 <b>Alarm Manager:</b>
• Active Alarms: {self.alarm_manager.get_statistics()['total_active']}
• Triggered Alarms: {self.alarm_manager.get_statistics()['total_triggered']}

⏰ <b>Timestamps:</b>
• Current Time: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
• Debug Generated: {datetime.now().isoformat()}
            """
            
            # Get current positions for debugging
            try:
                positions = self.trading_engine.get_positions()
                if positions:
                    debug_info += f"\n📈 <b>Current Positions:</b> {len(positions)} found\n"
                    for pos in positions[:3]:  # Show first 3 positions
                        symbol = pos.get('symbol', 'Unknown').replace('/USDC:USDC', '')
                        contracts = pos.get('contracts', 0)
                        if float(contracts) != 0:
                            debug_info += f"  • {symbol}: {contracts} contracts\n"
                else:
                    debug_info += "\n📈 <b>Positions:</b> No positions found\n"
            except Exception as e:
                debug_info += f"\n📈 <b>Positions:</b> Error fetching ({str(e)})\n"
            
            # Get balance for debugging
            try:
                balance = self.trading_engine.get_balance()
                if balance and balance.get('total'):
                    usdc_balance = float(balance['total'].get('USDC', 0))
                    debug_info += f"\n💰 <b>USDC Balance:</b> ${usdc_balance:,.2f}\n"
                else:
                    debug_info += "\n💰 <b>Balance:</b> No balance data\n"
            except Exception as e:
                debug_info += f"\n💰 <b>Balance:</b> Error fetching ({str(e)})\n"
            
            await context.bot.send_message(chat_id=chat_id, text=debug_info.strip(), parse_mode='HTML')
            
        except Exception as e:
            logger.error(f"❌ Error in debug command: {e}")
            await context.bot.send_message(chat_id=chat_id, text=f"❌ Debug error: {e}")
    
    async def version_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /version command."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        try:
            # Get uptime info
            uptime_info = "Unknown"
            try:
                import psutil
                process = psutil.Process()
                create_time = datetime.fromtimestamp(process.create_time())
                uptime = datetime.now() - create_time
                days = uptime.days
                hours, remainder = divmod(uptime.seconds, 3600)
                minutes, _ = divmod(remainder, 60)
                uptime_info = f"{days}d {hours}h {minutes}m"
            except ImportError:
                pass
            
            # Get stats info
            stats = self.trading_engine.get_stats()
            if stats:
                basic_stats = stats.get_basic_stats()
            else:
                basic_stats = {'total_trades': 0, 'completed_trades': 0, 'days_active': 0, 'start_date': 'Unknown'}
            
            version_text = f"""
🤖 <b>Trading Bot Version & System Info</b>

📱 <b>Bot Information:</b>
• Version: <code>2.1.2</code>
• Network: {'Testnet' if Config.HYPERLIQUID_TESTNET else 'Mainnet'}
• Uptime: {uptime_info}
• Default Token: {Config.DEFAULT_TRADING_TOKEN}

💻 <b>System Information:</b>
• Python: {sys.version.split()[0]}
• Platform: {platform.system()} {platform.release()}
• Architecture: {platform.machine()}

📊 <b>Trading Stats:</b>
• Total Orders: {basic_stats['total_trades']}
• Completed Trades: {basic_stats['completed_trades']}
• Days Active: {basic_stats['days_active']}
• Start Date: {basic_stats['start_date']}

🔄 <b>Monitoring Status:</b>
• Market Monitor: {'✅ Active' if self.market_monitor.is_running else '❌ Inactive'}
• External Trades: ✅ Active
• Price Alarms: ✅ Active ({self.alarm_manager.get_statistics()['total_active']} active)

⏰ <b>Current Time:</b> {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
            """
            
            await context.bot.send_message(chat_id=chat_id, text=version_text.strip(), parse_mode='HTML')
            
        except Exception as e:
            error_message = f"❌ Error processing version command: {str(e)}"
            await context.bot.send_message(chat_id=chat_id, text=error_message)
            logger.error(f"Error in version command: {e}")
    
    async def keyboard_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
        """Handle the /keyboard command to enable/show custom keyboard."""
        chat_id = update.effective_chat.id
        if not self._is_authorized(chat_id):
            await context.bot.send_message(chat_id=chat_id, text="❌ Unauthorized access.")
            return
        
        # Check if custom keyboard is enabled in config
        keyboard_enabled = getattr(Config, 'TELEGRAM_CUSTOM_KEYBOARD_ENABLED', False)
        
        if keyboard_enabled:
            # Create a simple reply keyboard with common commands
            keyboard = [
                [KeyboardButton("/balance"), KeyboardButton("/positions")],
                [KeyboardButton("/orders"), KeyboardButton("/stats")],
                [KeyboardButton("/daily"), KeyboardButton("/performance")],
                [KeyboardButton("/help"), KeyboardButton("/commands")]
            ]
            
            reply_markup = ReplyKeyboardMarkup(
                keyboard,
                resize_keyboard=True,
                one_time_keyboard=False,
                selective=True
            )
            
            await context.bot.send_message(chat_id=chat_id, text="⌨️ <b>Custom Keyboard Activated!</b>\n\n🎯 <b>Your quick buttons are now ready:</b>\n• /balance - Account balance\n• /positions - Open positions\n• /orders - Active orders\n• /stats - Trading statistics\n• /daily - Daily performance\n• /performance - Performance stats\n• /help - Help guide\n• /commands - Command menu\n\n💡 <b>How to use:</b>\nTap any button below to send the command instantly!\n\n🔧 These buttons will stay at the bottom of your chat.", reply_markup=reply_markup, parse_mode='HTML')
        else:
            await context.bot.send_message(chat_id=chat_id, text="❌ <b>Custom Keyboard Disabled</b>\n\n🔧 <b>To enable:</b>\n• Set TELEGRAM_CUSTOM_KEYBOARD_ENABLED=true in your .env file\n• Restart the bot\n• Run /keyboard again\n\n📋 <b>Current config:</b>\n• Enabled: {keyboard_enabled}\n• Layout: {getattr(Config, 'TELEGRAM_CUSTOM_KEYBOARD_LAYOUT', 'default')}", parse_mode='HTML')