from utilities.notification_manager import NotificationManager
from utilities.telegram_utilities import extract_region_number, format_message
from flask import current_app



class NotificationService:
    def __init__(self):
        self.logger = current_app.logger
        self.manager = NotificationManager(self.logger)

    def process_notification(self, data):
        self.logger.info(f"Получены данные уведомления: {data}")

        region_id = extract_region_number(data.get("host"))
        if region_id is None:
            self.logger.error(f"Не удалось извлечь номер региона из host: {data.get('host')}")
            return {"status": "error", "message": "Invalid host format"}, 400

        self.logger.debug(f"Извлечён номер региона: {region_id}")

        subscribers = self.manager.get_subscribers(region_id, data['severity'])

        if self.manager.is_region_active(region_id):
            message = format_message(data)
            self.manager.send_notifications(subscribers, message)

        return {"status": "success"}, 200