import json
import db
import config

def on_order_created(order_id: int):
    """
    Hook triggered asynchronously when a new order is placed.
    Users can add any notification logic here (e.g. email or telegram).
    """
    print(f"EVENT: Order {order_id} created.")
    # Fetch order data if needed
    order = db.execute_query("SELECT * FROM orders WHERE id = %s", (order_id,))
    if order:
        order_data = order[0]
        # TODO: Add your notification logic here
        pass

def on_order_status_changed(order_id: int, status: str, order_data: dict, send_notification: bool):
    """
    Hook triggered asynchronously when the admin changes the order status.
    Uses the send_notification flag explicitly.
    """
    print(f"EVENT: Order {order_id} status changed to {status}. Notify user: {send_notification}")
    
    if send_notification:
        # TODO: Add your notification logic here (Email, Telegram, SMS, etc.)
        # The order_data dictionary contains all the details of the order.
        user_email = order_data.get('email')
        first_name = order_data.get('first_name')
        user_id = order_data.get('user_id')
        
        lang = "en"
        if user_id:
            user_info = db.execute_query("SELECT preferred_language FROM users WHERE id = %s", (user_id,))
            if user_info and user_info[0].get('preferred_language'):
                lang = user_info[0]['preferred_language']
        
        print(f"--> Preparing notification to {user_email} (User: {first_name}, Lang: {lang})...")
        import notifications
        notifications.notify_status_change(user_email, order_id, status, first_name, lang)

def on_message_received(order_id: int, user_id: int, message: str):
    """
    Hook triggered when a client sends a message to an order chat.
    Useful for alerting admins via external systems.
    """
    print(f"EVENT: New message for Order {order_id} from User {user_id}: {message[:20]}...")
    # TODO: Integration logic (Telegram, Slack, Email to shop owner, etc.)
    pass