import ng_openstack.settings
import pymysql.cursors
import logging
import exceptions
import os,settings

SQL_HOST = os.getenv("SQL_HOST")
SQL_USER = os.getenv("SQL_USER")
SQL_PASS = os.getenv("SQL_PASS")
SQL_DB = os.getenv("SQL_DB")


def lookupIP_FromSQL(IP):

    SQL = "	SELECT project_id,status FROM neutron.floatingips where floating_ip_address=%s"
    connection = pymysql.connect(user=SQL_USER, db=SQL_DB, host=SQL_HOST, password=SQL_PASS,
                                 charset='utf8mb4',
                                 cursorclass=pymysql.cursors.DictCursor)


    with connection.cursor() as cursor:
        if cursor.execute(SQL, (IP))>=1:
            result = cursor.fetchone()
            connection.close()

            returnData = ipLookupResult()
            returnData.customerID = result['project_id']
            returnData.bypassLogging = 0
            returnData.IP = IP
            return returnData
        else:
            connection.close()
            raise exceptions.ItemNotFoundError("No results in floatingIP database for IP:{}".format(IP))

def getCountbyProject_FromSQL(projectID):

    print("Querying Floating IP data from database")
    # Connect to the database
    connection = pymysql.connect(user=SQL_USER, db=SQL_DB, host=SQL_HOST, password=SQL_PASS,
                                 charset='utf8mb4',
                                 cursorclass=pymysql.cursors.DictCursor)
    totalFloatingIPs = 0
    returndata = {}
    IPArray = []
    try:

        with connection.cursor() as cursor:
            # Read a single record
            sql = "SELECT floating_ip_address FROM neutron.floatingips where project_id=%s;"
            cursor.execute(sql, (projectID,))
            result = cursor.fetchall()

            for thisItem in result:
                IPArray.append(thisItem['floating_ip_address'])

            totalFloatingIPs = len(result)

    finally:
        connection.close()

    returndata['total'] = totalFloatingIPs
    returndata['floating_ip_address'] = IPArray
    return returndata

def getAllBYOSubnetsfromSQL():

    sql = "SELECT * , inet_ntoa(network) as readable_network, inet_ntoa(netmask) as readable_netmask, 32 - bit_count(power(2, 32) - netmask - 1) as cidr FROM `networks` where byo=1 ORDER BY `netmask` ASC "
    connection = pymysql.connect(user=SQL_USER, db=SQL_DB, host=SQL_HOST, password=SQL_PASS,
                                 charset='utf8mb4',
                                 cursorclass=pymysql.cursors.DictCursor)

    returnData = []
    try:
        with connection.cursor() as cursor:
            cursor.execute(sql, ())
            result = cursor.fetchall()
            for thisItem in result:
                returnData.append({"readable_network": thisItem['readable_network'], "readable_netmask": thisItem['readable_netmask'],"int_netmask": thisItem['netmask'],"int_network":  thisItem['network'] })
            connection.close()

            return returnData

    except:
        connection.close()