def main():
manager = Manager()
print("Hi, Welcome to Peter's crappy 3-hour rushed bill manager")
print(
"Below is the basic instructions (PS: instructions are case-insensitive)"
)
print("1. Add people into current bill: People Person1 person2 PeRson3")
print(
"2. Add paid amount into someone's account, and who are involved: Paid PersonWhoPaid 100(number) person1"
" person2 person3 Person4")
print("3. Print bill: print bill")
print("4. Quit the app: quit")
print("5. Write out the bill into a file: Output bill")
print("Maybe I will add some features, maybe not~~~~")
print(
"I mean it is only for our convenience, right? So it does not have to be perfect!"
)
while True:
command = input("What is next instruction: ")
commands = command.split()
bill = ""
length = len(commands)
if length == 0:
print("This is not a valid instruction")
else:
instruction = commands[0].lower()
if length == 1:
if instruction.startswith("q"):
break
else:
print("This is not a valid instruction")
else:
if instruction == "people":
people = commands[1:]
for person in people:
manager.add_people(person)
elif instruction == "paid":
amount = float(commands[2])
person = commands[1]
manager.add_paid(amount, person)
people = commands[3:]
split_amount = amount / len(people)
for person in people:
manager.add_expense(split_amount, person)
elif instruction == "print":
if commands[1] == "bill":
bill = manager.get_bill()
print(bill)
else:
print("Can't you even type 'bill' correctly?")
elif instruction == "output":
if commands[1] == "bill":
bill_file = open("bill.txt", "w")
if bill != "":
bill_file.write(bill)
else:
bill_file.write(manager.get_bill())
bill_file.close()
else:
print("Can't you even type 'bill' correctly?")
elif instruction == "load":
if commands[1] == "bill":
manager.clear()
bill_file = open("bill.txt", "r")
accounts = bill_file.readlines()
if length != 0:
load_account(accounts, manager)
else:
print(
"Obviously, you opened up an empty pandora box ^ ^"
)
bill_file.close()
else:
print("Can't you even type 'bill' correctly?")
