from .DbManager import DbManager
import json
import mariadb
from PySide6.QtCore import QObject, Signal


class EmployeeDAO(QObject):
    newEmployeeAdded = Signal(bool)
    __all_cols = None

    def __init__(self):
        super().__init__()
        self.__con = DbManager().getConnection()

    def getEmployees(self, enc_key, criterion="Alle", processed=False, fired=False, every_state=True):
        cursor = self.__con.cursor()
        cursor.callproc("getEmployeeTable", (criterion, processed, fired, every_state, enc_key,))
        self.__all_cols = [desc[0] for desc in cursor.description]
        result = cursor.fetchall(), self.__all_cols
        cursor.close()
        return result

    def fetchApplicant(self, employee_id, enc_key=None) -> dict:
        cursor = self.__con.cursor(dictionary=True)
        cursor.callproc("getApplicant", (employee_id, enc_key))
        it = cursor.fetchone()
        cursor.close()
        return it

    def addEmployee(self, data, enc_key, applicant=True):
        cursor = self.__con.cursor()
        cursor.callproc("addApplicant", (json.dumps(data), applicant, enc_key,))
        self.__con.commit()
        cursor.close()
        self.newEmployeeAdded.emit(True)