#!/usr/bin/env python


import csv
from datetime import datetime
import os
import sys
from random import randint
from time import sleep
from readConfig import readConfig
from pycomm.ab_comm.clx import Driver as ClxDriver

def readTag(addr, tag):
    time.sleep(0.01)
    c = ClxDriver()
    if c.open(addr):
        try:
            v = c.read_tag(tag)
            # print(v)
            return v
        except Exception:
            print("ERROR RETRIEVING TAG: {}".format(tag))
            c.close()
            print traceback.print_exc()
            pass
        c.close()

def writeTag(addr, tag, val, dtype):
    time.sleep(0.01)
    c = ClxDriver()
    if c.open(addr):
        try:
            v = c.write_tag(tag, val, dtype)
            # print(v)
            return v
        except Exception:
            print("ERROR WRITING TAG: {}".format(tag))
            c.close()
            print traceback.print_exc()
            pass
        c.close()

def main(fullfilepath):
	configProperties = readConfig()
	errors = []
	with open(fullfilepath, 'rb') as myfile:
		wr = csv.reader(myfile)
		for row in wr:
			if len(row) == 3:
				(tag, value, tagType) = row
				writeTag(configProperties['PLC_IP_ADDRESS'], tag, value, tagType)
				actual = readTag(configProperties['PLC_IP_ADDRESS'], tag)
				verify = False
				if tagType == "REAL":
					verify  = actual == float(value)
				elif tagType[-3:] == "INT":
					verify = actual == int(value)
				elif tagType == "BOOL":
					verify = actual == int(value)
				if not verify:
					errors.append( "Validation Error:", tag, "does not equal", value, "(actual value:", actual,")")
	print "Restore Complete with", len(errors), "errors."
	if len(errors) > 0:
		print "-------------------------"
		print "--        ERRORS       --"
		print "-------------------------"
		for i in range(0,len(errors)):
			print i+1,"-",errors[i]
if __name__ == '__main__':
	main(sys.argv[1])