import os
import requests
import logging

logger = logging.getLogger(__name__)

class AlertManager:
    def __init__(self):
        # Read Webhook URLs from environment
        self.discord_webhook = os.environ.get("DISCORD_WEBHOOK_URL")
        self.slack_webhook = os.environ.get("SLACK_WEBHOOK_URL")

    def send_discord_alert(self, title: str, message: str, color: int = 5814783):
        """Send a rich embed to Discord."""
        if not self.discord_webhook:
            logger.debug("Discord webhook not configured.")
            return

        payload = {
            "embeds": [{
                "title": title,
                "description": message,
                "color": color
            }]
        }
        
        try:
            response = requests.post(self.discord_webhook, json=payload)
            if response.status_code != 204:
                logger.error(f"Failed to send Discord alert: {response.status_code}")
        except Exception as e:
            logger.error(f"Error sending Discord alert: {e}")

    def send_slack_alert(self, title: str, message: str):
        """Send a message to Slack."""
        if not self.slack_webhook:
            logger.debug("Slack webhook not configured.")
            return

        payload = {
            "text": f"*{title}*\n{message}"
        }
        
        try:
            response = requests.post(self.slack_webhook, json=payload)
            if response.status_code != 200:
                logger.error(f"Failed to send Slack alert: {response.status_code}")
        except Exception as e:
            logger.error(f"Error sending Slack alert: {e}")
            
    def alert_arbitrage(self, opp: dict):
        """Format and send an arbitrage opportunity alert."""
        title = "🚨 New Arbitrage Opportunity Detected!"
        msg = f"**{opp['event_name']}**\n"
        msg += f"Buy on {opp['buy_platform']} @ ${opp['buy_price']}\n"
        msg += f"Sell on {opp['sell_platform']} @ ${opp['sell_price']}\n"
        msg += f"**Net Edge:** {opp['expected_profit_margin']*100:.2f}%\n"
        msg += f"**Max Size:** ${opp['buy_size']:.2f}"
        
        # Color: Greenish for profit
        self.send_discord_alert(title, msg, color=5763719)
        self.send_slack_alert(title, msg)