python_studies/maquina_cafe.py at main · ODenteAzul/python_studies · GitHub

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MENU = {
    "ESPRESSO": {
        "ingredients": {
            "water": 50,
            "coffee": 18,
        },
        "cost": 1.5,
    },
    "LATTE": {
        "ingredients": {
            "water": 200,
            "milk": 150,
            "coffee": 24,
        },
        "cost": 2.5,
    },
    "CAPPUCCINO": {
        "ingredients": {
            "water": 250,
            "milk": 100,
            "coffee": 24,
        },
        "cost": 3.0,
    }
}

storage = {"ingredients": {
            "water": 2000,
            "milk": 1000,
            "coffee": 500,
        }
}

cashier = 0


def verify_ingredients(opcao):
    valida = True
    for item in MENU[opcao]["ingredients"]:
        if MENU[opcao]["ingredients"][item] > storage["ingredients"][item]:
            valida =  False

    if valida == False:
        print(opcao, 'not available... please chose another option.')
    return valida


def prepare_coffee(opcao):
    print('Preparing your', opcao, '... please wait')
    for item in MENU[opcao]["ingredients"]:
        storage["ingredients"][item] -= MENU[opcao]["ingredients"][item]
    print('Your', opcao, 'is ready, please take it in the tray!')


def extract():
    for item in storage["ingredients"]:
        print(item, ':', storage["ingredients"][item])
    print('Total in the Cashier: US$', cashier)


def charge(opcao):
    moedas = []
    valor_pago = 0.0
    retorno = False
    moedas.append(input("How many Quarters?: "))
    moedas.append(input("How many dimes?: "))
    moedas.append(input("How many nickels?: "))
    moedas.append(input("How many pennies?: "))
    for i in range(0,len(moedas)):
        if i == 0:
            valor_pago += float(moedas[i]) * 0.25
        elif i == 1:
            valor_pago += float(moedas[i]) * 0.10
        elif i == 2:
            valor_pago += float(moedas[i]) * 0.05
        else:
            valor_pago += float(moedas[i]) * 0.01

    if valor_pago > 0.0:
        if valor_pago > MENU[opcao]['cost']:
            troco = valor_pago - float(MENU[opcao]['cost'])
            print('Thank you! You paid US$', valor_pago, ', your change is US$:', troco)
            retorno = True
        elif valor_pago < MENU[opcao]['cost']:
            print('The coins were not sufficient, we are returning US$:', valor_pago)
            retorno = False
        else:
            retorno = True
    else:
        print('You need to add some coins...')
    if retorno:
        global cashier
        cashier += MENU[opcao]['cost']
    return retorno


# ativando a máquina
liga = input('Would you like a coffee? Y / N :').upper()

# se ligou vamos à escolha do usuário:
while liga == 'Y':
    if liga == 'Y':
        selecionado = input('What caffee would you like? (espresso/latte/cappuccino):').upper()
        if selecionado == 'OFF':
            liga = 'N'
        elif selecionado == 'EXTRACT':
            extract()
        elif selecionado != 'ESPRESSO' and selecionado != 'LATTE' and selecionado != 'CAPPUCCINO':
            print('Invalid option...')
        else:
            if verify_ingredients(selecionado):
                if charge(selecionado):
                    prepare_coffee(selecionado)