#!/usr/bin/env python3
"""
Notification Manager - Handles all bot notifications and messages.
"""

import logging
from typing import Optional, Dict, Any, List
from datetime import datetime
from src.utils.price_formatter import get_formatter

logger = logging.getLogger(__name__)

class NotificationManager:
    """Handles all notification logic for the trading bot."""
    
    def __init__(self):
        """Initialize the notification manager."""
        self.bot_application = None
    
    def set_bot_application(self, application):
        """Set the bot application for sending messages."""
        self.bot_application = application
    
    async def send_long_success_notification(self, query, token, amount, price, order_details, stop_loss_price=None, trade_lifecycle_id=None):
        """Send notification for successful long order."""
        try:
            # Use PriceFormatter for consistent formatting
            formatter = get_formatter() # Get formatter
            
            price_str = formatter.format_price_with_symbol(price, token)
            amount_str = f"{amount:.6f} {token}"
            value_str = formatter.format_price_with_symbol(amount * price, token)
            order_id_str = order_details.get('id', 'N/A')
            
            message = (
                f"✅ Successfully opened <b>LONG</b> position for {amount_str} at ~{price_str}\n\n"
                f"💰 Value: {value_str}\n"
                f"🆔 Order ID: <code>{order_id_str}</code>"
            )
            if trade_lifecycle_id:
                message += f"\n🆔 Lifecycle ID: <code>{trade_lifecycle_id[:8]}...</code>"

            if stop_loss_price:
                sl_price_str = formatter.format_price_with_symbol(stop_loss_price, token)
                message += f"\n🛑 Stop Loss pending at {sl_price_str}"
            
            await query.edit_message_text(text=message, parse_mode='HTML')
        except Exception as e:
            logger.error(f"Error sending long success notification: {e}")

    async def send_short_success_notification(self, query, token, amount, price, order_details, stop_loss_price=None, trade_lifecycle_id=None):
        """Send notification for successful short order."""
        try:
            formatter = get_formatter() # Get formatter
            
            price_str = formatter.format_price_with_symbol(price, token)
            amount_str = f"{amount:.6f} {token}"
            value_str = formatter.format_price_with_symbol(amount * price, token)
            order_id_str = order_details.get('id', 'N/A')
            
            message = (
                f"✅ Successfully opened <b>SHORT</b> position for {amount_str} at ~{price_str}\n\n"
                f"💰 Value: {value_str}\n"
                f"🆔 Order ID: <code>{order_id_str}</code>"
            )
            if trade_lifecycle_id:
                message += f"\n🆔 Lifecycle ID: <code>{trade_lifecycle_id[:8]}...</code>"

            if stop_loss_price:
                sl_price_str = formatter.format_price_with_symbol(stop_loss_price, token)
                message += f"\n🛑 Stop Loss pending at {sl_price_str}"
            
            await query.edit_message_text(text=message, parse_mode='HTML')
        except Exception as e:
            logger.error(f"Error sending short success notification: {e}")

    async def send_exit_success_notification(self, query, token, position_type, amount, price, pnl, order_details, trade_lifecycle_id=None):
        """Send notification for successful exit order."""
        try:
            formatter = get_formatter() # Get formatter
            
            # Price is the execution price, PnL is calculated based on it
            # For market orders, price might be approximate or from fill later
            price_str = formatter.format_price_with_symbol(price, token) if price > 0 else "Market Price"
            amount_str = f"{amount:.6f} {token}"
            pnl_str = formatter.format_price_with_symbol(pnl)
            pnl_emoji = "🟢" if pnl >= 0 else "🔴"
            order_id_str = order_details.get('id', 'N/A')
            cancelled_sl_count = order_details.get('cancelled_stop_losses', 0)
            
            message = (
                f"✅ Successfully closed <b>{position_type}</b> position for {amount_str}\n\n"
                f"🆔 Exit Order ID: <code>{order_id_str}</code>\n"
                # P&L and price are more reliably determined when MarketMonitor processes the fill.
                # This notification confirms the exit order was PLACED.
                f"⏳ Awaiting fill confirmation for final price and P&L."
            )
            if trade_lifecycle_id:
                message += f"\n🆔 Lifecycle ID: <code>{trade_lifecycle_id[:8]}...</code> (Closed)"
            
            if cancelled_sl_count > 0:
                message += f"\n⚠️ Cancelled {cancelled_sl_count} linked stop loss order(s)."
                
            await query.edit_message_text(text=message, parse_mode='HTML')
        except Exception as e:
            logger.error(f"Error sending exit success notification: {e}")

    async def send_sl_success_notification(self, query, token, position_type, amount, stop_price, order_details, trade_lifecycle_id=None):
        """Send notification for successful stop loss order setup."""
        try:
            formatter = get_formatter() # Get formatter
            
            stop_price_str = formatter.format_price_with_symbol(stop_price, token)
            amount_str = f"{amount:.6f} {token}"
            order_id_str = order_details.get('exchange_order_id', 'N/A') # From order_placed_details
            
            message = (
                f"🛑 Successfully set <b>STOP LOSS</b> for {position_type} {amount_str}\n\n"
                f"🎯 Trigger Price: {stop_price_str}\n"
                f"🆔 SL Order ID: <code>{order_id_str}</code>"
            )
            if trade_lifecycle_id:
                message += f"\n🆔 Linked to Lifecycle ID: <code>{trade_lifecycle_id[:8]}...</code>"

            await query.edit_message_text(text=message, parse_mode='HTML')
        except Exception as e:
            logger.error(f"Error sending SL success notification: {e}")

    async def send_tp_success_notification(self, query, token, position_type, amount, tp_price, order_details, trade_lifecycle_id=None):
        """Send notification for successful take profit order setup."""
        try:
            formatter = get_formatter() # Get formatter
            
            tp_price_str = formatter.format_price_with_symbol(tp_price, token)
            amount_str = f"{amount:.6f} {token}"
            order_id_str = order_details.get('exchange_order_id', 'N/A') # From order_placed_details

            message = (
                f"🎯 Successfully set <b>TAKE PROFIT</b> for {position_type} {amount_str}\n\n"
                f"💰 Target Price: {tp_price_str}\n"
                f"🆔 TP Order ID: <code>{order_id_str}</code>"
            )
            if trade_lifecycle_id:
                message += f"\n🆔 Linked to Lifecycle ID: <code>{trade_lifecycle_id[:8]}...</code>"
            
            await query.edit_message_text(text=message, parse_mode='HTML')
        except Exception as e:
            logger.error(f"Error sending TP success notification: {e}")
    
    async def send_coo_success_notification(self, query, token: str, cancelled_count: int, 
                                          failed_count: int, cancelled_linked_sls: int = 0,
                                          cancelled_orders: List[Dict[str, Any]] = None):
        """Send notification for successful cancel all orders operation."""
        
        success_message = f"""
✅ <b>Cancel Orders Results</b>

📊 <b>Summary:</b>
• Token: {token}
• Cancelled: {cancelled_count} orders
• Failed: {failed_count} orders
• Total Attempted: {cancelled_count + failed_count} orders"""
        
        if cancelled_linked_sls > 0:
            success_message += f"""
• 🛑 Linked Stop Losses Cancelled: {cancelled_linked_sls}"""
        
        # Show details of cancelled orders if available
        if cancelled_orders and len(cancelled_orders) > 0:
            success_message += f"""

🗑️ <b>Successfully Cancelled:</b>"""
            for order in cancelled_orders:
                side = order.get('side', 'Unknown')
                amount = order.get('amount', 0)
                price = order.get('price', 0)
                side_emoji = "🟢" if side.lower() == 'buy' else "🔴"
                success_message += f"""
{side_emoji} {side.upper()} {amount} @ ${price:,.2f}"""
        
        # Overall status
        if cancelled_count == (cancelled_count + failed_count) and failed_count == 0:
            success_message += f"""

🎉 All {token} orders successfully cancelled!"""
        elif cancelled_count > 0:
            success_message += f"""

⚠️ Some orders cancelled. {failed_count} failed."""
        else:
            success_message += f"""

❌ Could not cancel any {token} orders."""
        
        success_message += f"""

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

📊 Use /orders to verify no pending orders remain.
        """
        
        await query.edit_message_text(success_message, parse_mode='HTML')
        logger.info(f"Cancel orders complete: {token} - {cancelled_count} cancelled, {failed_count} failed{f', {cancelled_linked_sls} linked SLs cancelled' if cancelled_linked_sls > 0 else ''}")
    
    async def send_alarm_triggered_notification(self, token: str, target_price: float, 
                                              current_price: float, direction: str):
        """Send notification when a price alarm is triggered."""
        if not self.bot_application:
            logger.warning("Bot application not set, cannot send alarm notification")
            return
        
        direction_emoji = "📈" if direction == 'above' else "📉"
        
        alarm_message = f"""
🔔 <b>Price Alarm Triggered!</b>

{direction_emoji} <b>Alert Details:</b>
• Token: {token}
• Target Price: ${target_price:,.2f}
• Current Price: ${current_price:,.2f}
• Direction: {direction.upper()}

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

💡 <b>Quick Actions:</b>
• /market {token} - View market data
• /price {token} - Quick price check
• /long {token} [amount] - Open long position
• /short {token} [amount] - Open short position
        """
        
        try:
            from src.config.config import Config
            if Config.TELEGRAM_CHAT_ID:
                await self.bot_application.bot.send_message(
                    chat_id=Config.TELEGRAM_CHAT_ID,
                    text=alarm_message,
                    parse_mode='HTML'
                )
                logger.info(f"Alarm notification sent: {token} {direction} ${target_price}")
        except Exception as e:
            logger.error(f"Failed to send alarm notification: {e}")
    
    async def send_external_trade_notification(self, symbol: str, side: str, amount: float, 
                                             price: float, action_type: str, timestamp: str):
        """Send notification for external trades detected."""
        if not self.bot_application:
            logger.warning("Bot application not set, cannot send external trade notification")
            return
        
        # Extract token from symbol
        token = symbol.split('/')[0] if '/' in symbol else symbol
        
        # Format timestamp
        try:
            trade_time = datetime.fromisoformat(timestamp.replace('Z', '+00:00'))
            time_str = trade_time.strftime('%H:%M:%S')
        except:
            time_str = "Unknown"
        
        # Format message based on action type
        if action_type == "position_opened":
            message = f"""
🚀 <b>Position Opened (External)</b>

📊 <b>Trade Details:</b>
• Token: {token}
• Direction: {side.upper()}
• Size: {amount} {token}
• Entry Price: ${price:,.2f}
• Value: ${amount * price:,.2f}

✅ <b>Status:</b> New position opened externally
⏰ <b>Time:</b> {time_str}

📱 Use /positions to view all positions
            """
        elif action_type == "position_closed":
            message = f"""
🎯 <b>Position Closed (External)</b>

📊 <b>Trade Details:</b>
• Token: {token}
• Direction: {side.upper()}
• Size: {amount} {token}
• Exit Price: ${price:,.2f}
• Value: ${amount * price:,.2f}

✅ <b>Status:</b> Position closed externally
⏰ <b>Time:</b> {time_str}

📊 Use /stats to view updated performance
            """
        elif action_type == "position_increased":
            message = f"""
📈 <b>Position Increased (External)</b>

📊 <b>Trade Details:</b>
• Token: {token}
• Direction: {side.upper()}
• Added Size: {amount} {token}
• Price: ${price:,.2f}
• Value: ${amount * price:,.2f}

✅ <b>Status:</b> Position size increased externally
⏰ <b>Time:</b> {time_str}

📈 Use /positions to view current position
            """
        else:
            # Generic external trade notification
            side_emoji = "🟢" if side.lower() == 'buy' else "🔴"
            message = f"""
🔄 <b>External Trade Detected</b>

📊 <b>Trade Details:</b>
• Token: {token}
• Side: {side.upper()}
• Amount: {amount} {token}
• Price: ${price:,.2f}
• Value: ${amount * price:,.2f}

{side_emoji} <b>Source:</b> External Platform Trade
⏰ <b>Time:</b> {time_str}

📈 <b>Note:</b> This trade was executed outside the Telegram bot
📊 Stats have been automatically updated
            """
        
        try:
            from src.config.config import Config
            if Config.TELEGRAM_CHAT_ID:
                await self.bot_application.bot.send_message(
                    chat_id=Config.TELEGRAM_CHAT_ID,
                    text=message,
                    parse_mode='HTML'
                )
                logger.info(f"External trade notification sent: {action_type} for {token}")
        except Exception as e:
            logger.error(f"Failed to send external trade notification: {e}")
    
    async def send_generic_notification(self, message: str):
        """Send a generic notification message."""
        if not self.bot_application:
            logger.warning("Bot application not set, cannot send generic notification")
            return
        
        try:
            from src.config.config import Config
            if Config.TELEGRAM_CHAT_ID:
                await self.bot_application.bot.send_message(
                    chat_id=Config.TELEGRAM_CHAT_ID,
                    text=message,
                    parse_mode='HTML'
                )
                logger.info("Generic notification sent")
        except Exception as e:
            logger.error(f"Failed to send generic notification: {e}")
    
    async def send_stop_loss_execution_notification(self, stop_loss_info: Dict, symbol: str, side: str, amount: float, price: float, action_type: str, timestamp: str):
        """Send notification for external stop loss execution."""
        try:
            token = symbol.split('/')[0] if '/' in symbol else symbol.split(':')[0]
            
            # Extract stop loss details
            trigger_price = stop_loss_info.get('trigger_price', price)
            position_side = stop_loss_info.get('position_side', 'unknown')
            entry_price = stop_loss_info.get('entry_price', 0)
            detected_at = stop_loss_info.get('detected_at')
            
            # Format timestamp
            try:
                time_obj = datetime.fromisoformat(timestamp.replace('Z', '+00:00'))
                time_str = time_obj.strftime('%H:%M:%S')
            except:
                time_str = "Unknown"
            
            # Calculate P&L if we have entry price
            pnl_info = ""
            if entry_price > 0:
                if position_side == 'long':
                    pnl = amount * (price - entry_price)
                    pnl_percent = ((price - entry_price) / entry_price) * 100
                else:  # short
                    pnl = amount * (entry_price - price) 
                    pnl_percent = ((entry_price - price) / entry_price) * 100
                
                pnl_emoji = "🟢" if pnl >= 0 else "🔴"
                pnl_info = f"""
{pnl_emoji} <b>Stop Loss P&L:</b>
• Entry Price: ${entry_price:,.2f}
• Exit Price: ${price:,.2f}
• Realized P&L: ${pnl:,.2f} ({pnl_percent:+.2f}%)
• Result: {"PROFIT" if pnl >= 0 else "LOSS PREVENTION"}"""

            # Determine stop loss effectiveness
            effectiveness = ""
            if entry_price > 0 and trigger_price > 0:
                if position_side == 'long':
                    # For longs, stop loss should trigger below entry
                    if trigger_price < entry_price:
                        loss_percent = ((trigger_price - entry_price) / entry_price) * 100
                        effectiveness = f"• Loss Limited: {loss_percent:.1f}% ✅"
                    else:
                        effectiveness = "• Unusual: Stop above entry 🟡"
                else:  # short
                    # For shorts, stop loss should trigger above entry  
                    if trigger_price > entry_price:
                        loss_percent = ((entry_price - trigger_price) / entry_price) * 100
                        effectiveness = f"• Loss Limited: {loss_percent:.1f}% ✅"
                    else:
                        effectiveness = "• Unusual: Stop below entry 🟡"

            trade_value = amount * price
            position_emoji = "📈" if position_side == 'long' else "📉"
            
            message = f"""
🛑 <b>STOP LOSS EXECUTED</b>

{position_emoji} <b>{position_side.upper()} Position Protected:</b>
• Token: {token}
• Position Type: {position_side.upper()}
• Stop Loss Size: {amount} {token}
• Trigger Price: ${trigger_price:,.2f}
• Execution Price: ${price:,.2f}
• Exit Value: ${trade_value:,.2f}

🎯 <b>Stop Loss Details:</b>
• Status: EXECUTED ✅
• Order Side: {side.upper()}
• Action Type: {action_type.replace('_', ' ').title()}
{effectiveness}

{pnl_info}

⏰ <b>Execution Time:</b> {time_str}
🤖 <b>Source:</b> External Hyperliquid Order
📊 <b>Risk Management:</b> Loss prevention successful

💡 Your external stop loss order worked as intended!
            """
            
            await self.send_notification(message.strip())
            logger.info(f"🛑 Stop loss execution notification sent: {token} {position_side} @ ${price:.2f}")
            
        except Exception as e:
            logger.error(f"❌ Error sending stop loss execution notification: {e}")