import sys

# Register NetAlertX directories
INSTALL_PATH="/app"
sys.path.extend([f"{INSTALL_PATH}/server"])

import conf
from logger import mylog, Logger
from helper import get_setting_value, timeNowTZ

# Make sure log level is initialized correctly
Logger(get_setting_value('LOG_LEVEL'))


class Trigger:
    """Represents a trigger definition"""

    def __init__(self, triggerJson, event, db):
        """
        :param name: Friendly name of the trigger
        :param triggerJson: JSON trigger object {"object_type":"Devices",event_type":"update"}
        :param event: The actual event that the trigger is evaluated against 
        :param db: DB connection in case trigger matches and object needs to be retrieved
        """
        self.object_type = triggerJson["object_type"]
        self.event_type = triggerJson["event_type"]
        self.event = event  # Store the triggered event context, if provided
        self.triggered = self.object_type == event["ObjectType"] and self.event_type == event["AppEventType"]

        mylog('verbose', [f"[WF] self.triggered '{self.triggered}'"])

        if self.triggered:
            # object type corresponds with the DB table name
            db_table = self.object_type

            if db_table == "Devices":
                refField = "devGUID"
            elif db_table == "Plugins_Objects":
                refField = "ObjectGUID"
            else:
                m = f"[WF] Unsupported object_type: {self.object_type}"
                mylog('none', [m])
                raise ValueError(m)

            query = f"""
                    SELECT * FROM 
                    {db_table}
                    WHERE {refField} = '{event["ObjectGUID"]}'                    
                """
            
            mylog('debug', [query])

            result = db.sql.execute(query).fetchall()
            self.object = result[0]
        else:
            self.object = None


    def set_event(self, event):
        """Set or update the event context for this trigger"""
        self.event = event