textlineos

#import assets
import time
import sys
import random
import os

#calculator
def calculator():
 print ("1. Addition")
 print ("2. Subtraction")
 print ("3. Multiplacation")
 print ("4. Division")
 print ("5. Primes to 100")
 print ("")
 question = input("Please select a option")

 if question == "1":
    num1 = int(input("Enter first number: "))
    print (num1)
    num2 = int(input("Enter second number: "))
    print (num2)
    print ("")
    ans = num1 + num2
    print (ans)
    bktoclk = input("Go back to calculator? [y/n]")
    if bktoclk == "y":
     calculator()
    if bktoclk == "n":
     menu()
 if question == "2":
    num1 = int(input("Enter first number: "))
    print (num1)
    num2 = int(input("Enter second number(what will be subtracted): "))
    print (num2)
    print ("")
    ans = num1 - num2
    print (ans)
    bktoclk = input("Go back to calculator? [y/n]")
    if bktoclk == "y":
     calculator()
    if bktoclk == "n":
     menu()
 if question == "3":
    num1 = int(input("Enter first number: "))
    print (num1)
    num2 = int(input("Enter second number: "))
    print (num2)
    print ("")
    ans = num1 * num2
    print (ans)
    bktoclk = input("Go back to calculator? [y/n]")
    if bktoclk == "y":
     calculator()
    if bktoclk == "n":
     menu()
 if question == "4":
    num1 = int(input("Enter first number(dividend): "))
    print (num1)
    num2 = int(input("Enter second number(divisor): "))
    print (num2)
    print ("")
    ans = num1 / num2
    print (ans)
    bktoclk = input("Go back to calculator? [y/n]")
    if bktoclk == "y":
     calculator()
    if bktoclk == "n":
     menu()
 if question =="5":
   print ("")
   print ("2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and lastly 97.")
 if question == "6":
    print ("test")
#dice roll program
def diceroll():
 min = 1
 max = 6

 roll_again = "yes"

 while roll_again == "yes" or roll_again == "y":
    print ("Rolling the dices...")
    print ("The values are....")
    print (random.randint(min, max))
    print (random.randint(min, max))
    bktodice = input("Roll Again? [y/n]")
    if bktodice == "y":
     diceroll()
    if bktodice == "n":
     menu()

def cointoss():
    import random#Importing the random library.
    toss=random.randint(0,1)#Toss variable's value randomly generated between the numer 0 and 1.
    if toss==0:#If the varaiable is equal to 0 then:
        print("")
        print ("You Flipped Heads")#Heads is displayed
        cgoag()

    else:#If the Toss is not 0 then:
        print("")
        print("You Flipped Tails")#Tails is displayed
        cgoag()


def cgoag():
    goagain = input("Toss Again? [y/n]")
    if goagain == "y":
        cointoss()
    if goagain == "n":
        menu()


def clocksingle():
 while True:
    from datetime import datetime
    now = datetime.now()
    print ("")
    print ("%s/%s/%s %s:%s:%s" % (now.month,now.day,now.year,now.hour,now.minute,now.second))
    menu()

def randomnumgen():
    import random
    print(random.randint(0,100))
    bktordm = input("Generate Again? [y/n]")
    if bktordm == "y":
     randomnumgen()
    if bktordm == "n":
     menu()


def adminmenu():
    print("")
    print("*********************************")
    print("***  TextLineOS - Admin Menu  ***")
    print("*********************************")
    print("")
    print("0. Main Menu")
    print("1. Create New User")
    print("2. Change Log")
    print("3. Make New Admin Account")
    print("4. Read Change Log")
    print("5. SYSTEM LOG")
    print("6. Dump System Log")
    adq3m = input("Please select")
    if adq3m == "1":
           print ("")
           register()
    if adq3m == "2":
           changelogadd()
    if adq3m == "0":
           menu()
    if adq3m == "3":
           createadminuser()
    if adq3m == "4":
           adminchangelog()
    if adq3m == "5":
           readsystemlog()
    if adq3m == "6":
           dumpsystemlog()


def readsystemlog():
    if os.path.exists("systemlog.txt"):
        print("SYSTEM LOG IS DELYAED BY A SESSION")
        f = open("systemlog.txt", "r")
        print("")
        print("--")
        print(f.read())
        print("--")
        adminmenu()
    else:
      print("*************************************")
      print("ERROR: System Log file does not exist")
      print("*************************************")
      adminmenu()




def dumpsystemlog():
 if os.path.exists("systemlog.txt"):
  os.remove("systemlog.txt")
  adminmenu()
 else:
  print("*************************************")
  print("ERROR: System Log file does not exist")
  print("*************************************")
  adminmenu()


#add to changelog
def changelogadd():
    version = input("Please Input Version Number")
    changed = input("Please Input The Changes")
    file = open("changelog.txt","a")
    file.write("")
    file.write(version)
    file.write("--")
    file.write(changed)
    file.write("\n")
    file.close()
    print("Change Log Made!")
    adminmenu()

def checkperms():
    username = input("Please enter your username")
    password = input("Please enter your password")
    for line in open("adminaccountfile.txt","r").readlines(): # Read the lines
        login_info = line.split() # Split on the space, and store the results in a list of two strings
        if username == login_info[0] and password == login_info[1]:
            print("Correct credentials!")
            adminmenu()
            f = open("systemlog.txt", "a")
            f.write("Successful Login|Admin Login")
            f.write("\n")
            f.close()
            return True
    print("Incorrect credentials. - ACCESS DENIED")
    menu()
    f = open("systemlog.txt", "a")
    f.write("Failed Login-Admin Login")
    f.write("\n")
    f.close()
    print("")
    return False


def createadminuser():
    adminusername = input("Please Input your desired username")
    adminpassword = input("Please input your desired password ")
    file = open("adminaccountfile.txt","a")
    file.write(adminusername)
    file.write(" ")
    file.write(adminpassword)
    file.write("\n")
    file.close()
    f = open("systemlog.txt", "a")
    f.write("Successful Registration|Admin")
    f.write("\n")
    f.close()
    print("Adminastrator Account Created!")
    adminmenu()

def changelog():
    f = open("changelog.txt", "r")
    print("")
    print("--")
    print(f.read())
    print("--")
    bktordm = input("Go back to menu?[y/n]")
    if bktordm == "y":
     menu()
    if bktordm == "n":
     changelog()

def adminchangelog():
    f = open("changelog.txt", "r")
    print("")
    print("--")
    print(f.read())
    print("--")
    bktordm = input("Go back to menu?[y/n]")
    if bktordm == "y":
     adminmenu()
    if bktordm == "n":
     adminchangelog()


#menu code
def menu():
    adq1 = input("Open main menu? [y/n]")
    if adq1 == "y":
        print ("")
        print("*****************************")
        print("***   TextLineOS - Menu    ***")
        print("*****************************")
        print("")
        print ("LOADING... Main menu")
        print ("")
        print ("0. Log off")
        print ("1. Calculator")
        print ("2. Roll The Dice")
        print ("3. Current Time")
        print ("4. Random Number Generator")
        print ("5. Read System Change Log")
        print ("6. Flip A Coin")
        print ("7. Conversion Menu")
        print ("a. Admin Menu")
        adq2m = input("Please select")
        if adq2m == "1":
           print ("Loading calculator")
           calculator()
        if adq2m == "2":
           diceroll()
        if adq2m == "0":
           sys.exit
        if adq2m == "3":
           clocksingle()
        if adq2m == "4":
           randomnumgen()
        if adq2m == "a":
           checkperms()
        if adq2m == "1":
           sys.exit
        if adq2m == "5":
           changelog()
        if adq2m == "6":
            cointoss()
        if adq2m == "7":
            convmenu()

def convmenu():
    print("****************************************")
    print("***   TextLineOS - Conversion Menu   ***")
    print("****************************************")
    print("")
    print("0. Exit")
    print("1. Hours To Minutes")
    print("2. Minutes To Hours")
    adq3m = input("Please select")
    if adq3m == "0":
        menu()
    if adq3m == "1":
        hrtomin()
    if adq3m == "2":
        mintohr()

def hrtomin():
    print("Hour to minutes")
    hours = int(input("Enter Hours: "))
    qsc1 = hours * 60
    print ("Total Minutes:")
    print (qsc1)
    bcktoconv()

def mintohr():
    print("Minutes To Hours")
    hours = int(input("Enter Minutes: "))
    qsc2 = hours / 60
    print ("Total Minutes:")
    print (qsc2)
    bcktoconv()


def bcktoconv():
    adq3n = input("Main Menu Or Conversion Menu?[main/conv]")
    if adq3n == "main":
        menu()
    if adq3n == "conv":
        convmenu()


def register():
    username = input("Please Input your desired username")
    password = input("Please input your desired password ")
    file = open("accountfile.txt","a")
    file.write(username)
    file.write(" ")
    file.write(password)
    file.write("\n")
    file.close()
    f = open("systemlog.txt", "a")
    f.write("Successful Registration|User")
    f.write("\n")
    f.close()
    print("Account Created!")
    adminmenu()

def login():
    print("Log In")
    print("*****************************")
    print("***  TextLineOS - Login   ***")
    print("*****************************")
    print("")
    username = input("Please enter your username")
    password = input("Please enter your password")
    for line in open("accountfile.txt","r").readlines(): # Read the lines
        login_info = line.split() # Split on the space, and store the results in a list of two strings
        if username == login_info[0] and password == login_info[1]:
            print("Correct credentials!")
            menu()
            f = open("systemlog.txt", "a")
            f.write("Successful Login|User Login")
            f.write("\n")
            f.close()
            return True
    print("Incorrect credentials. - ACCESS DENIED")
    login()
    f = open("systemlog.txt", "a")
    f.write("Failed Login-User Login")
    f.write("\n")
    f.close()
    print("")
    return False



login()

#f = open("systemlog.txt", "a")
#f.write("SYSTEM STARTUP")
#f.write("\n")
#f.close()