#  -*-   coding: utf-8   -*-
# @Time      : 2018/10/18 16:06
# @Author    : Two Brother
# @EMAIL     : [email protected]
# @FILE      : shoppingcart.py
# @SOFTWARE : PyCharm

##################title#####################
#使用者入口：
#1.商品資訊存在檔案裡
##
#商家入口：
#2.可以新增商品，修改商品價格
############################################
with open('use','r+',encoding='utf-8') as fu:
 dictfu = {}
 lines1 = fu.readlines()
 for line in lines1:
 (key,value) = line.strip().split()
 dictfu[key] = value
with open('commodity', 'r+', encoding='utf-8') as fc:
 dictfc = {}
 lines2 = fc.readlines()
 for line in lines2:
 (key,value1,value2) = line.strip().split()
 dictfc[key] = {value1:value2}
with open('admin','r') as fa:
 admin = fa.readlines()
 for i in range(0,len(admin)):
 admin[i] = admin[i].strip()
i = input("請輸入您的賬號>>>>>>>>>>")
if i in dictfu.keys():
 lastmoney = int(dictfu[i])
 print('我是會員%s，我的餘額%s' % (i,lastmoney))
 for n in dictfc:
 print(n,dictfc[n])
 buy = []
 salecost = 0
 while True:
 ic = input("請輸入您要購買的商品編號>>>>>>>")
 if ic in dictfc.keys():
 print("商品%s已經加入購物車,檢視購物車請按S,直接支付請按P" % dictfc[ic])
 buy.append(dictfc[ic])
 for x in dictfc[ic]:
 salecost = salecost + int(dictfc[ic][x])
 continue
 elif ic.upper() == 'S':
 print("您的購物車資訊如下,總計%s元，直接支付請按P" % salecost)
 for y in buy:print(y)
 continue
 elif ic.upper() == 'P':
 if salecost <= lastmoney:
 lastmoney2 = lastmoney - salecost
 print("您本次消費金額%s元，餘額還剩餘%s元！歡迎下次光臨" % (salecost,lastmoney2))
 with open('use', 'w', encoding='utf-8') as fu2:
 for line in lines1:
 if i in line:
 line = line.replace(str(lastmoney),str(lastmoney2))
 fu2.write(line)
 break
 else:
 pi = input("您本次購物需要花費金額%s元，餘額只有%s元，交易失敗，重新購物請按B，充值請按R，退出請按其他鍵>>>>"%(salecost,lastmoney))
 if pi.upper() == 'B':
 continue
 if pi.upper() == 'R':
 print("充值功能待開放")
 break
 else:
 break
 else:
 break

elif i in admin:
 while True:
 ai = input("請選擇你要做的操作：A檢視商品 B修改商品價格 C新增刪除商品>>>>>")
 if ai.upper() == 'A':
 for o in dictfc:
 print(o,dictfc[o])
 continue
 elif ai.upper() == 'B':
 bi = input("請選擇你要修改商品的商品編號>>>>")
 if bi in dictfc:
 print(dictfc[bi])
 bi2 = input("請輸入你要修改此商品的價格>>>>")
 with open('commodity','w',encoding='utf-8') as fc2:
 for line in lines2:
 if bi in line:
 for bi3 in dictfc[bi]:
 line = line.replace(dictfc[bi][bi3],bi2)
 fc2.write(line)
 with open('commodity', 'r', encoding='utf-8') as fc3:
 lines3 = fc3.readlines()
 for line in lines3:
 (key, value1, value2) = line.strip().split()
 dictfc[key] = {value1: value2}
 else:
 print("商品編碼輸入有誤，請重新輸入")
 continue
 else:
 print('程式退出')
 break
else:
 print('使用者不存在')