Month Gen - Alfie C

#This creates the variable for the login system, and takes a Y ( Yes ) or a N ( No ). This will be used soon.
versystem = input("Have you signed up for an account? y/n: ")

#makes the next lines of code occur, and is called when versystem is equal to no
if versystem == "n":
    #This creates a while loop, so we can put in our variables
    while True:
        #Here we create new variables so we can enter a new account
        username  = input("Enter your username: ")
        #This creates a password variable
        password  = input("Enter your password: ")
        #This creates a verification variable
        password1 = input("Confirm password: ")
        #This creates an if statement, and sees if the verification password matches the actual password
        if password == password1:
            #This writes a new file, so we can add the variables to it
            file = open(username+".txt", "w")
            #Here we write in the variables to the file
            file.write(username+":"+password)
            #This line closes the file, since we are finished with it
            file.close()
            #This changes the versystem variable to yes, and runs a new set of code
            versystem = "y"
            #This stops the loop, so it doesn't happen again
            break
        #If the passwords do not match, then this message is shown
        print("Passwords do not match, please try again!")

#We create a new function, so we can write our later code into a file.
def origDate(day, month, year):
  #This opens a new file, and edits to it or writes a new file.
  fil = open("MonthGen.txt", "a+")
  #This writes a liine called:
  fil.write("Orginal Date: \n")
  #This writes in our dates, but are changed to strings, since integers cannot be used
  fil.write(str(day)+'/'+str(month)+'/'+str(year)+'\n')
  #This closes the file
  fil.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month1L(day, month1, ny):
  #Appends or creates a file to print info
  fileMon1 = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon1.write("3 Months Later: \n"+str(day)+'/'+str(month1)+'/'+str(ny)+'\n')
  #Closes the file
  fileMon1.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month1NL(day, month, year):
  #Appends or creates a file to print info
  fileMon1N = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon1N.write("3 Months Later: \n"+str(day)+'/'+str(month+3)+'/'+str(year)+'\n')
  #Closes the file
  fileMon1N.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month2L(day, month2, ny):
  #Appends or creates a file to print info
  fileMon2 = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon2.write("6 Months Later: \n"+str(day)+'/'+str(month2)+'/'+str(ny)+'\n')
  #Closes the file
  fileMon2.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month2NL(day, month, year):
  #Appends or creates a file to print info
  fileMon2N = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon2N.write("6 Months Later: \n"+str(day)+'/'+str(month+6)+'/'+str(year)+'\n')
  #Closes the file
  fileMon2N.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month3L(day, month3, ny):
  #Appends or creates a file to print info
  fileMon3 = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon3.write("9 Months Later: \n"+str(day)+'/'+str(month3)+'/'+str(ny)+'\n')
  #Closes the file
  fileMon3.close()

#Makes the function for one outcome, calls a few variables that will be made later
def month3NL(day, month, year):
  #Appends or creates a file to print info
  fileMon3N = open("MonthGen.txt", "a+")
  #Writes infomation for the user that would be printed
  fileMon3N.write("9 Months Later: \n"+str(day)+'/'+str(month+9)+'/'+str(year)+'\n')
  #Closes the file
  fileMon3N.close()


#This creates a logout function, so we can logout of the program.
def logOut():
  #This creates a new variable and asks if you want to logout.
  logout = input("Would you like to logout? y/n: ")
  #If you do not want to logout, then it calls on the month generator
  if logout == "n":
    #This calls the month generator
    monthS()
  #If you want to logout, then exit() is run, and exits the program
  if logout == "y":
    #This exits the program
    exit()

#This is the month generator, and is the main part of the program
def monthS():
  #Here we are creating three new variables
  day = int(input("Please input the day: "))
  #This creates a month variable
  month = int(input("Please input the month: "))
  #This creates the year variable
  year = int(input("Please input the year: "))
  #This calls the function we made earlier, and copies the original dates to a file
  origDate(day, month, year)
  #This makes the months if the year needs to loop
  month1 = (month+3)-12
  #This creates the 2nd month that needs to be printed after 6 months
  month2 = (month+6)-12
  #This creates the 3rd month that needs to be printed after 9 months
  month3 = (month+9)-12
  #This creates a new year, and just adds one
  ny = year+1
  #This creates an if statement, and is called if the months go over 12
  if month+3 > 12:
    #This now prints to the user the following:
    #This prints this line to the user
    print("After 3 Months: ")
    #Prints the month1 variable to the user
    print(day,"/",month1,"/",ny)
    #Calls the function to write this to the text file
    month1L(day, month1, ny)
  #If the top is not true, then this happens
  else:
    #This tells the user it is 3 months after
    print("After 3 Months: ")
    #This prints the month variable plus 3
    print(day,"/",month+3,"/",year)
    #This copies this information to the text file
    month1NL(day, month, year)
  #If month +6 is more than 12, then this happens
  if month+6 > 12:
    #Tells the user it is 6 months after
    print("After 6 Months:")
    #Prints the month2 variable to the user
    print(day,"/",month2,"/",ny)
    #Calls the function to copy this info to the text file
    month2L(day, month2, ny)
  #If the top is not true, then this happens
  else:
    #Tells the user it is after 6 months
    print("After 6 Months:")
    #Simply prints the month variable plus 6
    print(day,"/",month+6,"/",year)
    #Calls this function to copy this info to the file
    month2NL(day, month, year)
  #If the original month +9 is more than 12, then this happens
  if month+9 > 12:
    #Tells the user it is after 9 months
    print("After 9 Months:")
    #Prints the month3 variable
    print(day,"/",month3,"/",ny)
    #Calls the function to copy this info to a file
    month3L(day, month3, ny)
  #If the top is not true, then this happens
  else:
    #Tells the user it is 9 months after
    print("After 9 Months:")
    #Prints the month variable plus 6
    print(day,"/",month+9,"/",year)
    #Calls this function to copy this info to the file
    month3NL(day, month, ny)
  #Asks the user if they want to logout, and takes a yes or no answer
  logOut()


#If the user answers yes immediately, then this occurs
if versystem == "y":
    #Here we create a while loop
    while True:
        #We are creating new variables, so we can login
        login1 = input("Login: ")
        #This creates a password variable
        login2 = input("Password: ")
        #We now open a file and read it, and it should have the name of a username we made earlier
        file = open(login1+".txt", "r")
        #Here we create a variable that reads the line in the file
        data   = file.readline()
        #This creates an if statement, seeing if what we enters exists already
        if data == login1+":"+login2:
            #Here we acknowledge that the user has logged in
            print("Welcome!")
            #Here we run the month generator
            monthS()
            #We stop the loop so it doesn't continue
            break
        #If the username and password do not work, then this is printed
        else:
          #This tells the user it is incorrect
          print("Incorrect")