import re
import subprocess
import os
import json
import sys
import time
import json
import datetime
import getopt
import requests
import logging


try:
    opts, args = getopt.getopt(sys.argv[1:], "hbl:o:s:t:", ["command=", "help", "output=", "backup"])
except getopt.GetoptError as err:
    # print help information and exit:
    print(str(err))  # will print something like "option -a not recognized"
    #usage()
    sys.exit(2)
output = None
# QJ : getopts

OUTPUT_FILE = "pg_backup.sql"

for o, a in opts:
    if o == "-h":
        _ACTION = True
    elif o in ("-b", "--backup"):
        _BACKUP = True
    elif o in ("-l", "--level"):
        _LOG_LEVEL = a.upper()
    elif o in ("-o", "--output"):
        OUTPUT_FILE = a
    elif o in ("-s", "--schema"):
        SCHEMA = a
    elif o in ("-t", "--tables"):
        TABLES = a

    else:
        _WIZZARD = True

LOG_FILE = "/tmp/pg_backup.log"

if _LOG_LEVEL == "DEBUG":
    logging.basicConfig(filename=LOG_FILE, level=logging.DEBUG, format='%(asctime)s : %(levelname)s : %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
    logging.debug('using debug loging')
elif _LOG_LEVEL == "ERROR":
    logging.basicConfig(filename=LOG_FILE, level=logging.ERROR, format='%(asctime)s : %(levelname)s : %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
    logging.info('using error loging')
elif _LOG_LEVEL == "SCAN":
    logging.basicConfig(filename=LOG_FILE, level=logging.DEBUG, format='%(asctime)s : %(levelname)s : %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
    logging.info('using error loging')
else:
    logging.basicConfig(filename=LOG_FILE, level=logging.INFO, format='%(asctime)s : %(levelname)s : %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
    
        
cmnd = "sudo -u postgres pg_dump {} {}  > {}".format(TABLES, SCHEMA, OUTPUT_FILE)
print(cmnd)
#status, output = subprocess.getstatusoutput(cmnd)