Room_Booking

import json

def room_check(num,arr,dept):
  '''
  It checks whether the room can be booked if it does not lie in the given timeframe.
  '''
  if num in range(arr,dept): 
    return True
  else:
    return False






def on_choice():
  '''
  It decides whether or not to continue room booking.
  '''

  choice = 'wrong'
  while choice not in ['Y', 'N']:

    choice = input("Want to keep Booking Rooms: (Y/N) ")

    if choice not in ['Y', 'N']:
      print("Sorry, I don't Understand Please Choose Y or N")

  if choice == 'Y':
    return True
  else:
    return False


def user_choice_arr():
  '''
  Enters the user Input with validation on Arrival Time.
  '''
  choice = 'wrong'
  acceptable_range = range(0,24)
  within_range = False

  #Two Conditions to check 
  #It should be a digit and within range
  while choice.isdigit() == False or within_range == False:
    choice = input("Please Enter the Arrival Time (0-24): ")

    #Digit Check
    if choice.isdigit() == False:
      print("Sorry that is not a digit")

    #Range Check
    if choice.isdigit() == True:
      if int(choice) in acceptable_range:
        within_range = True
      else:
        print("Sorry not in Acceptable Range")
        within_range = False
  return int(choice)

def user_choice_dept():
  '''
  Enters the user Input with validation on Departure Time.
  '''
  choice = 'wrong'
  acceptable_range = range(0,24)
  within_range = False

  #Two Conditions to check 
  #It should be a digit and within range
  while choice.isdigit() == False or within_range == False:
    choice = input("Please Enter the Departure Time (0-24): ")

    #Digit Check
    if choice.isdigit() == False:
      print("Sorry that is not a digit")

    #Range Check
    if choice.isdigit() == True:
      if int(choice) in acceptable_range:
        within_range = True
      else:
        print("Sorry not in Acceptable Range")
        within_range = False
  return int(choice)


#Control Flow starts from here
with open('test.json','w') as f:
  x = {} #Empty Dictionary -> Object

  x['Users'] = [] #Empty List -> array
  

  book_on = True

  print("\t\t\t\tWelcome to Datopic Hotel ")
  l_arr = []
  l_dept = []

  pname = input("Please Enter Your Name: ")

  

  print("Welcome Mr.\Ms. {}  to the Datopic Hotel, For How much duration would you like to stay with us".format(pname))

  parr = user_choice_arr()
 
  l_arr.append(parr)

  pdept = user_choice_dept()
 
  l_dept.append(pdept)

  #JSON Appending List in Dict
  x['Users'].append({'Name': pname, 'Arrival': parr, 'Departure': pdept})

  tot_time = pdept-parr
  if tot_time < 1:
    print("We have Minimum Booking of 1 Hour")
  else:
    print("Your duration at our Hotel Would be {} hours. Enjoy Your Stay!".format(tot_time))
    
    #Python Object -> JSON Object
    json.dump(x , f)

with open('test.json','w') as f:
  while book_on == True:
    pname = input("Please Enter Your Name: ")

    print("Welcome Mr.\Ms. {}  to the Datopic Hotel, For How much duration would you like to stay with us".format(pname))
    parr = user_choice_arr()
    if room_check(parr, l_arr[-1],l_dept[-1]) == True:
      print("Room Cannot be booked as our Inventory is Full, You can register for any other time with us. Sorry for Inconvenience")
      continue
    
    l_arr.append(parr)

    pdept = user_choice_dept()
    if room_check(parr, l_arr[-1],l_dept[-1]) ==  True:
      print("Room Cannot be booked as our Inventory is Full, You can register for any other time with us. Sorry for Inconvenience")
      continue
  
    l_dept.append(pdept)

    #JSON Appending List in Dict
    x['Users'].append({'Name': pname, 'Arrival': parr, 'Departure': pdept})

    tot_time = pdept-parr
    if tot_time < 1:
      print("We have Minimum Booking of 1 Hour")
    else:
      print("Your duration at our Hotel Would be {} hours. Enjoy Your Stay!".format(tot_time))
   
    book_on = on_choice()
  #Python Object -> JSON Object
  json.dump(x , f)