import datetime  #import datetime from library
import random   #Import random from libra
number_of_bikes = 100
tags = ["BK{0:03}".format(i) for i in range(1,number_of_bikes+1)] #Float Bikes from OO1 to 003
rental_codes = [code for code in range(200,900)] #List Comprehensions from 1000 to 2000
rent_detils = {} #Transaction details made an Empty Dictionary
class Rental_system():
    def __init__(self,bikes_available=number_of_bikes):
        self.bike_available = number_of_bikes
        global rent_detils
        self.bike_tags = tags





class customer(Rental_system) :
    def choices(self):
        global number_of_bikes, tags
        self.date_time = datetime.datetime.now()
        duration = input("Please input your type of rental period: ")
        self.duration = duration
        self.bike_tag = []
        if self.duration== 'hourly':
            self.amount_of_bikes = int(input("How many bike(s) do you want to rent: "))
            self.rent_duration = int(input("For how many hours do you want to rent: "))
            if self.amount_of_bikes < self.bike_available:
                self.bike_tag = self.bike_tags[:self.amount_of_bikes]
                tags = [bike for bike in tags if bike not in self.bike_tag]
                self.name = str(input("Please insert your fullname here: "))
                self.hourly_rental(self.amount_of_bikes, self.rent_duration)
                number_of_bikes -= self.amount_of_bikes

            else:
                print('Not enough bikes available for rental!')

        elif self.duration == 'daily':
            self.amount_of_bikes = int(input("How many bike(s) do you want to rent: "))
            self.rent_duration = int(input("For how many days do you want to rent: "))
            if self.amount_of_bikes < self.bike_available:
                self.bike_tag = self.bike_tags[:self.amount_of_bikes]
                tags = [bike for bike in tags if bike not in self.bike_tag]
                self.name = str(input("Please insert your fullname here: "))
                self.daily_rental(self.amount_of_bikes, self.rent_duration)
                number_of_bikes -= self.amount_of_bikes

            else:
                print('Not enough bikes available for rental!')

        elif self.duration == 'weekly':
            self.amount_of_bikes = int(input("How many bike(s) do you want to rent: "))
            self.rent_duration = int(input("For how many weeks do you want to rent: "))
            if self.amount_of_bikes < self.bike_available:
                self.bike_tag = self.bike_tags[:self.amount_of_bikes]
                tags = [bike for bike in tags if bike not in self.bike_tag]
                self.name = str(input("Please insert your fullname here: "))
                self.weekly_rental(self.amount_of_bikes, self.rent_duration)
                number_of_bikes -= self.amount_of_bikes

            else:
                print('Not enough bikes available for rental!')

        else:
            print('Error!, Please insert an appropriate rental period')
    def billing(self):
        self.borrow_time = str(self.date_time.year)+'-'+str(self.date_time.month)+'-'+str(self.date_time.day) + ' ' + 'Time:'+ self.date_time.strftime("%I")+':'+ self.date_time.strftime("%M")+self.date_time.strftime("%p")
        self.dued_time = str(self.due_time.year)+'-'+str(self.due_time.month)+'-'+str(self.due_time.day) + ' ' 'Due time:'+ self.due_time.strftime("%I")+':'+ self.due_time.strftime("%M")+self.due_time.strftime("%p")
        if self.amount_of_bikes < 1:
            print('Please how many bikes do you want to rent?')
        elif self.amount_of_bikes in range(3,6):
            print("\nCongratulations you're eligible for the family rental discount")
            total_amount = (self.amount_of_bikes * self.rent_duration * self.amount_per_period)
            discount_amount = total_amount * 0.3
            self.amount_to_pay = total_amount - discount_amount

        elif self.amount_of_bikes in range(1,2):
            self.amount_to_pay = (self.amount_of_bikes * self.rent_duration * self.amount_per_period)


    def hourly_rental(self, amount_of_bikes, no_of_hours):
        print('You will be charged $5 per hour')
        self.amount_per_period = 5
        self.amount_of_bikes = amount_of_bikes
        self.no_of_hours = self.rent_duration
        self.rental_type = 'hour(s)'
        self.due_time = self.date_time + datetime.timedelta(hours = self.rent_duration)
        self.billing()
        self.generate_code()
        self.invoice()

    def daily_rental(self, amount_of_bikes, no_of_days):
        print('You will be charged $20 per day')
        self.amount_per_period = 20
        self.amount_of_bikes = amount_of_bikes
        self.days = self.rent_duration
        self.rental_type = 'day(s)'
        self.due_time = self.date_time + datetime.timedelta(hours = self.rent_duration*24)
        self.generate_code()
        self.billing()
        self.invoice()

    def weekly_rental(self, amount_of_bikes, no_of_weeks):
        print('You will be charged $60 per week')
        self.amount_per_period = 60
        self.amount_of_bikes = amount_of_bikes
        self.no_of_weeks = self.rent_duration
        self.rental_type = 'week(s)'
        self.due_time = self.date_time + datetime.timedelta(hours = self.rent_duration*24*7)
        self.generate_code()
        self.billing()
        self.invoice()






    def generate_code(self):
        global rental_codes, rent_detils, tags
        self.customer_code = random.choice(rental_codes)
        rent_detils.update({ self.customer_code : [self.customer_code, self.name, self.duration, self.amount_of_bikes, self.rent_duration, self.rental_type, self.bike_tag]})
        rental_codes.remove(self.customer_code)

    def invoice(self):
        print("\nBIKE RENTAL INVOICE")
        print("Name:", self.name,)
        print("Rental code:", self.customer_code)
        print("Rental period type:", self.duration)
        print('Amount of bike(s) rented:', self.amount_of_bikes)
        print("Rental period duration:", self.rent_duration, self.rental_type)
        print("Day of rental:", self.borrow_time)
        print("Due date:", self.dued_time)
        print("Amount to pay:", str(self.amount_to_pay)+'$')
        print("Rented bike tags:", *self.bike_tag, sep = ', ')


    def returnbike(self):
        global number_of_bikes

        code = int(input('Enter your Rental code : '))
        if code in rent_detils:
            details = rent_detils.get(code)
            print("\nBIKE RENTAL DETAILS")
            print("Your Name:", details[1],)
            print("Rental code:", details[0])
            print("Rental period type:", details[2])
            print('Amount of bike rented:', details[3])
            print("Rental duration:", details[4], details[5])
            print("Rental Code:", details[6])

            print('Returned!!!')

            del rent_detils[code]
            number_of_bikes += details[3]
            for i in self.bike_tags:
                self.bike_tags.remove(i)


        else:
            print("Invalid passcode!!!")

while True:
    transaction = input("Welcome to Our Bike Shop, do you want to Rent or Return?  : ")
    transaction = transaction.upper()
    if transaction == 'RENT':
        print('\nRight now, we have', number_of_bikes, 'bikes available for rental')
        print()
        print('''You can rent bikes on hourly basis for $5 per hour.
    You can rent bikes on daily basis for $20 per day.
    You can rent bikes on weekly basis for $60 per week.
    You can also have rental discounts for 3 to 5 bike rentals.\n
    Type in (hourly,daily or weekly) depending on your choice of rental period''')

        customer1= customer()
        customer1.choices()

    elif transaction ==  'RETURN':
        customer1= customer()
        customer1.returnbike()

    else:
        print("Please input an appropraite option")