#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2020/4/20 下午4:12
# @Author  : hk
# @Site    : 
# @File    : 購物車.py
# @Software: PyCharm

"""
需求描述：
    1.輸入正確賬號，密碼，進(jìn)入購物車購物
    2.登錄失敗，重新輸入賬號密碼
    3.同一賬號連續(xù)登錄失敗超過三次，則鎖定該賬號
    4.登錄已鎖定賬號，提示賬號已鎖定
　　"""

#顯示已購商品列表函數(shù)
def shoping_list(myshping,money):
    print('=============您的購物清單如下=================')
    dic1={}
    for i in myshping:
        if dic1.get(i) == None:
            dic1[i] =1
        else:
            dic1[i] +=1
    for k,v in dic1.items():
        print(k,v)
    print("===========================================\n您的余額：%d"%money)
#購物車函數(shù)
def shoping():
    goods = [{'name': '電腦', 'price': 1999},
             {'name': '鼠標(biāo)', 'price': 10},
             {'name': '游艇', 'price': 20},
             {'name': '美女', 'price': 998},
             {'name': 'iphone', 'price': 5000},

             ]
    flag = False
    my_shopping = []
    while True:
        money = input("請輸入您的金額：\n")
        if not money.isdigit():
            keys = input("輸入錯誤，請按任意鍵重新輸入,或輸入q退出購買\n")
            if keys.upper() == 'Q':
                break
            continue
        money = int(money)
        while True:
            print('+++++++++++商品列表+++++++++++++')
            for index, key in enumerate(goods):
                print(index + 1, key['name'], key['price'])  # 這里key取到的值是每一行的字典，再按key字典的鍵值打印出來商品明細(xì)
            print('我的錢包余額', money)
            num = input("請輸入想要購買的商品序號：【或輸入q結(jié)束購買】\n")
            if num.upper() == 'Q':
                flag = True
                break
            if not num.isdigit():
                print("輸入錯誤，請重新輸入！")

                continue
            num = int(num)
            if num > 0 and num < len(goods) + 1:
                # print(num,"開始購物\n----------")
                if money >= goods[num - 1]['price']:
                    my_shopping.append(goods[num - 1]['name'])
                    money = money - goods[num - 1]['price']
                    shoping_list(my_shopping,money)
                    # print(my_shopping, "我的余額", money)
                else:
                    # print("余額不足")
                    while True:
                        chongzhi = input("余額不足，請輸入充值金額：【或輸入q結(jié)束購買。]\n")
                        if chongzhi.upper() == "Q":
                            flag = True
                            break
                        if not chongzhi.isdigit():
                            # keys_1=input("輸入錯誤，請重新輸入充值金額：或輸入q結(jié)束購買。。。充值部分的錯誤]")
                            # if keys_1.upper() == "Q":
                            #     flag = True
                            #     break
                            print("輸入錯誤，請重新輸入")
                            continue
                        money = money + int(chongzhi)
                        break
                    # break

                    if flag == True:
                        break
            else:
                print("請輸入正確商品編號")
                continue
        if flag == True:
            # 打印出購物清單并統(tǒng)計，顯示余額。
            print("謝謝光臨！")
            shoping_list(my_shopping,money)
            exit(0)
        continue

#注冊函數(shù)
def regist():
    """
    注冊用戶
    name: 用戶名稱
    password:用戶密碼
    :return:
    """

    # 讀取用戶文件
    with open("user.txt", encoding='utf-8',mode="r") as read_file:
        read_data = read_file.readlines()
        i_name = []
        for i in read_data:
            i_line = i.strip().split(',')
            i_name.append(i_line[0])
        while True:
            username = input('請輸入用戶名：\n').strip()
            if username in i_name:
                print('用戶名已經(jīng)存在，請重新輸入。')
                continue
            else:
                password = input('請輸入密碼：\n').strip()
                with open('user.txt',encoding='utf-8',mode='a') as read_f1:
                    new_user = [username,password,'0']
                    new_user ='\n' + ','.join(new_user)
                    # print(new_user,type(new_user))
                    read_f1.write(new_user)
                    print('%s,恭喜您注冊成功，請登錄'%username)
                    break
#修改用戶登錄次數(shù)函數(shù)
def modify_user(name, mode="add"):
    """
    修改用戶名單中的登錄錯誤次數(shù)
    :param name: 用戶名稱
    :param mode:add，登錄錯誤次數(shù)自增1；del，登錄錯誤次數(shù)重置為0
    :return:
    """

    # 讀取用戶文件
    with open("user.txt", encoding='utf-8',mode="r") as read_file:
        read_data = read_file.readlines()

    # 寫入用戶文件
    with open("user.txt", encoding='utf-8',mode="w") as write_file:
        for line in read_data:
            new_line = line.split(',')
            if new_line[0] == name:
                if mode == "add":
                    new_line[2] = int(new_line[2]) + 1
                    new_line[2] = str(new_line[2])
                    print(">>>>>>>",new_line)
                else:
                    new_line[2] = "0"
                new_line = ",".join(new_line) + "\n"
                write_file.write(new_line)
                # print('寫入',new_line)
                write_file.flush()
            else:
                write_file.write(line)

#驗證用戶名密碼函數(shù)
def auth(name, passwd):
    with open("user.txt", encoding='utf-8',mode="r") as read_file:
        for eachLine in read_file:
            user_name, password, errors = eachLine.strip().split(',')
            if name == user_name:
                if int(errors) < 3:
                    if password == passwd:
                        print ("Dear [%s],歡迎你登錄本購物車" % name)
                        modify_user(name, "del")
                        shoping()
                        # return True
                    else:
                        print ("密碼錯誤，請重新輸入用戶名密碼！")
                        modify_user(name, "add")
                        return False
                else:
                    print ("您的用戶已經(jīng)鎖定，請聯(lián)系管理員!")
                    return False
        else:
            print ("用戶名不存在，請重新輸入！")
            return False


def login():
    while True:
        name = input("請輸入用戶名:")
        passwd = input("請輸入密碼:")
        if auth(name, passwd):
            break
def menu() :
    while True:
        mode = input('請您注冊或登錄：\n'
                    '注冊選1\n'
                    '登錄選2\n'
                     '或按輸入q退出\n').strip()
        if mode == '1':
            regist()
        elif mode == '2':
            login()
        elif mode.upper() == 'Q':
            exit(0)
        else:
            print("輸入錯誤，請重新輸入，或按q退出。")
            continue



if __name__ == '__main__':
    menu()