# -*- coding: utf-8 -*-


# =============================================================================
# Contiene las clases necesarias para conectar con la Base de Datos mysql.
# 
# =============================================================================

import mysql.connector


class DatabaseInstance():
    
    
    def __init__(self, connection_parameters):
        self.host = connection_parameters['host']
        self.database = connection_parameters['database']
        self.user = connection_parameters['user']
        self.password = connection_parameters['password']
        
        self.connection = None
        
    def connect(self):
        try:
            self.connection = mysql.connector.connect(host = self.host,
                                                      database = self.database,
                                                      user = self.user,
                                                      password = self.password)
        except Error as e:
            print("Could not connect to the database.")
            print(e)
            
    def disconnect(self):
        if self.connection.is_connected():
            self.connection.disconnect()
        else:
            print("Connection was not active.")

    def ping(self):
        self.connect()
        self.disconnect()
        
    def query(self, query, parameters):
        self.connect()
        if self.connection.is_connected():
            cursor = self.connection.cursor()
            cursor.execute()
            #SEGUIR AQUIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII