card_list = []

def show_menu():

    print("*" * 50)
    print("欢迎使用【名片管理系统】".center(40) + "")  # 居中菜单标题
    print("1.新建名片")
    print("2.显示全部名片")
    print("3.查询名片")
    print("4.退出系统")
    print("*" * 50)


def new_a_card():

    print("=" * 50)
    print("新增名片 请输入信息".center(70))

    name = input("请输入您的姓名：")
    phone = input("请输入您的电话：")
    qq = input("请输入您的qq号：")
    email = input("请输入您的邮箱：")


    information = {
        "姓名": name,
        "电话": phone,
        "qq号": qq,
        "email": email
    }


    card_list.append(information)


    print("添加%s的名片成功" % name)


def show_all_cards():

    print("=" * 50)
    print("显示全部名片".center(70))


    if len(card_list) == 0:
        print("名片系统为空")
        return


    print("姓名\t\t\t\t电话\t\t\t\tqq号\t\t\t\temail")
    print("=" * 50)


    for i in card_list:
        print("%s\t\t\t\t%s\t\t\t\t%s\t\t\t\t%s" % (i["姓名"], i["电话"], i["qq号"], i["email"]))


    print("=" * 50)


def search_card():

    print("=" * 50)
    print("查询名片".center(70))


    if len(card_list) == 0:
        print("名片系统为空")
        return


    search_name = input("请输入要查询的姓名：")


    for i in card_list:

        if i["姓名"] == search_name:
            print("姓名\t\t\t\t电话\t\t\t\tqq号\t\t\t\temail")
            print("=" * 50)
            print("%s\t\t\t\t%s\t\t\t\t%s\t\t\t\t%s" % (i["姓名"], i["电话"], i["qq号"], i["email"]))
            print("=" * 50)

            # 三种操作
            deal_search_one(i)
            break
    else:
        print("查无此人")


def deal_search_one(search_dictionary):

    while True:
        function_choice = input("请输入想要执行的操作：1.修改 2.删除 3.返回上级目录")

        if function_choice == "1":
            print("修改名片".center(70))
            search_dictionary["姓名"] = new_input(search_dictionary["姓名"], "姓名：")
            search_dictionary["电话"] = new_input(search_dictionary["电话"], "电话：")
            search_dictionary["qq号"] = new_input(search_dictionary["qq号"], "qq号：")
            search_dictionary["email"] = new_input(search_dictionary["email"], "邮箱：")
            break

        elif function_choice == "2":
            print("删除名片".center(70))
            card_list.remove(search_dictionary)
            break

        elif function_choice == "3":
            return

        else:
            print("没有此操作 请重新输入")

    print("处理完成")


def new_input(value, tip_message):

    input_thing = input(tip_message)


    if len(input_thing) > 0:
        return input_thing
    else:
        return value