import requests
from flask import current_app

def send_error_webhook(error_message, error_type, stack_trace):
    webhook_url = current_app.config.get('ERROR_WEBHOOK_URL')
    if not webhook_url:
        current_app.logger.warning("ERROR_WEBHOOK_URL not set. Skipping webhook.")
        return

    # エラーメッセージを整形
    formatted_message = f"**Error Type:** {error_type}\n**Message:** {error_message}\n```\n{stack_trace[:1500]}...\n```"
    
    # ディスコードのWebhook形式に合わせてペイロードを構築
    payload = {
        "embeds": [{
            "title": "Error Details",
            "description": formatted_message,
            "color": 15158332  # 赤色
        }]
    }

    try:
        current_app.logger.debug(f"Sending webhook to URL: {webhook_url}")
        current_app.logger.debug(f"Webhook payload: {payload}")
        
        response = requests.post(webhook_url, json=payload)
        response.raise_for_status()
        current_app.logger.info(f"Error webhook sent successfully to Discord. Status code: {response.status_code}")
    except requests.RequestException as e:
        current_app.logger.error(f"Failed to send error webhook to Discord: {str(e)}")