#！/usr/bin/ven python
# Author: Hawkeye
'''
本程序為實例程序：購物車程序

需求:

啟動程序后，讓用戶輸入工資，然后打印商品列表
允許用戶根據(jù)商品編號購買商品
用戶選擇商品后，檢測余額是否夠，夠就直接扣款，不夠就提醒
可隨時退出，退出時，打印已購買商品和余額

'''
#創(chuàng)建商品列表
product_list = [
  ["Iphone",5800],
  ["Mac Pro",9800],
  ["bike",800],
  ["watch",10600],
  ["coffee",31],
  ["Alex Python",20]
]
# for i in product_list:
#   print(i)

#創(chuàng)建購物列表
shopping_list =[]
#要求用戶輸入數(shù)據(jù)
salary = input("Input your salary:")
#首先要對用戶的輸入做判斷
if salary.isdigit():
  salary = int(salary) #轉(zhuǎn)換為整形
  while True: #循環(huán)輸出列表
    for index,item in enumerate(product_list):
      print(index,item)
    user_choice = input("請選擇要買什么......")
    if user_choice.isdigit():#轉(zhuǎn)換為整形
      user_choice =int(user_choice)
      if user_choice < len(product_list) and user_choice >=0:
        p_item = product_list[user_choice]
        if p_item[1] <=salary:#錢夠
          shopping_list.append(p_item)
          salary -= p_item[1]
          print("Added %s into shopping cart,your current balance is \033[31;1m%s\033[0m" % (p_item,salary) )
        else:#錢不夠
          print("\033[41;1m您的余額只?！?s】，余額不足\033[0m" %salary)
      else:
        print("\033[32;1mProduct code [%s]is not exist\033[0m " %user_choice)
    elif user_choice == "q":

      print("----------shoppig list--------")
      for p in shopping_list:
        print(p)
      print("------------------------------")
      print("\033[33;1mYour current balance is :\033[0m",salary)
      exit()
    else:
      print("Invalid Option")
else:#輸入q退出
  print("\033[13;1m【錯誤】請輸入正確的數(shù)字!\033[0m")
  exit()