# coding: utf8

import csv
from datetime import datetime
import sys
from pprint import pprint

FILE = 'VFCZ202109.CSV'

#usrmonth = input("Month to be processed: ")
#usrmonth = int(usrmonth)
usrmonth = int(5)

dictionary = {}

def add_dict(id, key, value):
    dict = dictionary.get(id)
    value_ = float(value)
    if key in dict:
        dict[key] += value_
    else:
        print("Never should happen", id)

def add_dictsms(id, pricesms):
    dict = dictionary.get(id)

    print("increasing sms dict key for dict: ",dict," for :",pricesms)
    dict["smscount"] += pricesms

#MAIN

print("Start")
with open(FILE, newline='', encoding="utf-8") as csvfile:
    reader = csv.DictReader(csvfile, delimiter=';',fieldnames=['faktura_c','phonenumber','direction','productgroup','productser','item','service','datetime','dialnum','time_taken','time_charged','dataamount','realcost','creditcost','discount' 'servicescost','chargedwovat','chargedwvat','privatecall'])
    for row in reader:
        print("Product serie: ",row['productser'])

        print("Time taken ",row['time_taken'])
        # sys.exit(1)


        #print(row)
        if row['phonenumber'] == '':
            continue #skip empty phonenumber
        # if row['Začátek fakturačního období'] == '':
        #     continue
        #
        # my_string = row['Začátek fakturačního období']
        # #my_string = '2021-09-06'
        # print("start date: ",my_string)
        #
        # try:
        #    my_date = datetime.strptime(my_string, "%d.%m.%Y")
        # except:
        #    print("An exception occurred, current my_string is: ", my_string)
        #    sys.exit(1)


        #print(row['BILLED_PERIOD_START'])
        #print(my_date.month)
        
        
        # if usrmonth != my_date.month:
        #    print("skipping bad date")
        #    continue #skip bad dates




        MSISDN = int(row['phonenumber'])
        #ICCID = int(row['ICCID'])
        price = row['chargedwovat'].replace(',','.')

        #price = round(price, 5)

        typ = None

        if row['productser'] == "Používání služeb ":
            typ = 'data'
        elif row['productser'] == "SMS ":
             typ = "sms"
        else:
            print("groupvar: ",row['productser'])
            typ = 'other'





        if row['direction'] != "I" and row['productser'] == "SMS ":

           pricesms = int(row['time_taken'])

           print("sms price: ",pricesms,MSISDN)
           print("got some countsms")

        else:
           pricesms = 0
        
        #only if not exist create new record in dictionary for ID
        if not MSISDN in dictionary:
            print("Creating dictionary: ", MSISDN)
            dictionary[MSISDN] = {'data':0.00000, 'sms':0.00000, 'other':0.00000, 'smscount':pricesms}

        if price != '':
            print("Editing dictionary: ", MSISDN, "typ: ", typ, "cena: ", price)
            add_dict(MSISDN, typ, price)

        if row['direction'] != "I" and row['productser'] == "SMS ":
            print("pricesms: ", pricesms, " for unit: ", dictionary[MSISDN])
            add_dictsms(MSISDN, pricesms)

        else:
            print("direction: ", row['direction'], " and productser: ", row['productser'])


    #try:
        #print(dictionary[436761890319959]) #one with both types
    #except:
        #print("Required unit is not in our set")
        #sys.exit(1)

#print(len(dictionary.keys()))

#for key, value in dictionary.items():
   #print(key, ' : ', value)


print("Count of units: ", len(dictionary.keys()))

with open('export_vd202109v1.csv', 'w') as f:
    for key in dictionary.keys():
        f.write("%s,%s\n"%(key,dictionary[key]))



csv_columns = ['takhleuztoneudelam', 'data', 'sms', 'other', 'smscount']
try:
    with open('export_vd_202109v1.csv', 'w') as csvfile:
        w = csv.DictWriter(sys.stdout, csv_columns)
        for key, val in sorted(dictionary.items()):
            row = {'takhleuztoneudelam': key}
            row.update(val)

            writer = csv.DictWriter(csvfile, fieldnames=csv_columns)
            writer.writerow(row)

except IOError:
    print(f"I/O error: {IOError}")