import mysql.connector as mysqlcon
import pickle
import os

with open(os.path.realpath('.') + '/mysql_cfg.pickle', 'rb') as cfgFile:
    mysql_cfg = pickle.load(cfgFile)
    con = mysqlcon.connect(**mysql_cfg)


def readConfig():
    configProperties = {}
    configObj = {}

    con.connect()
    cur = con.cursor()
    query = "SELECT parameter, val FROM config GROUP BY parameter;"
    cur.execute(query)
    config = cur.fetchall()

    for x in config:
        configObj[x[0]] = x[1]

    try:
        configProperties['PLC_IP_ADDRESS'] = str(configObj['ip_address'])
        # print("FYI, using PLC IP Address from the database {0}".format(configProperties['PLC_IP_ADDRESS']))
    except KeyError:
        print("FYI, there is no PLC IP Address stored in the database, defaulting to 192.168.1.10")
        # configProperties['PLC_IP_ADDRESS'] = "192.168.1.10"

    try:
        configProperties['plc_type'] = str(configObj['plc_type'])
        # print("FYI, using PLC Type from the database {0}".format(configProperties['plc_type']))
    except KeyError:
        # print("FYI, there is no PLC Type stored in the database, defaulting to CLX")
        configProperties['plc_type'] = "CLX"

    try:
        configProperties['scan_rate'] = int(configObj['scan_rate'])
        # print("FYI, using Scan Rate from the database {0}".format(configProperties['scan_rate']))
    except KeyError:
        # print("FYI, there is no Scan Rate stored in the database, defaulting to 10 seconds")
        configProperties['scan_rate'] = 10

    try:
        sa_test = str(configObj['save_all'])
        if sa_test.lower() == "true":
            configProperties['save_all'] = True
        elif sa_test.lower() == "false":
            configProperties['save_all'] = False
        else:
            configProperties['save_all'] = "test"
        # print("FYI, value for save_all is {0}".format(configProperties['save_all']))
    except KeyError:
        # print("FYI, there is no save_all value stored in the database, using 'test'")
        configProperties['save_all'] = 'test'

    return configProperties