import json

def tishi():
    print('*********1.返回主頁面**********')
    print('*********0.退出系統(tǒng)************')
    while True:
        num2 = int(input("請選擇操作："))
        if num2 == 1:
            return
        if num2 == 0:
            exit()
        else:
            print('********請正確操作摔刁！********')


def add_stu():
    addname = input("請輸入添加的學(xué)生姓名：")
    addstu_id = input("請輸入添加學(xué)生的學(xué)號：")
    addage = input('請輸入添加的學(xué)生年齡：')

    addscore1 = int(input('請輸入添加的學(xué)生英語成績：'))
    addscore2 = int(input('請輸入添加的學(xué)生體育成績：'))
    addscore3 = int(input('請輸入添加的學(xué)生美術(shù)成績：'))
    addscore4 = int(input('請輸入添加的學(xué)生數(shù)學(xué)成績：'))

    students.append({'name': addname, 'stu_id': addstu_id, 'age': addage,
                     'scores': {'英語': addscore1, '體育': addscore2, '美術(shù)': addscore3, '數(shù)學(xué)': addscore4}})
    with open('./student.json', 'w') as f2:
        json.dump(students, f2)
    print("添加成功台囱！")
    tishi()


def find_stu():
    findname = str(input("請輸入要查詢的學(xué)生姓名："))
    for student in students:
        if student['name'] == findname:
            print("姓名：", student['name'])
            print("學(xué)號：", student['stu_id'])
            print("年齡：", student['age'])
            print("英語成績：", student['scores']['英語'])
            print("體育成績：", student['scores']['體育'])
            print("美術(shù)成績：", student['scores']['美術(shù)'])
            print("數(shù)學(xué)成績：", student['scores']['數(shù)學(xué)'])
            break
    tishi()


def del_stu():
    delname = str(input("請輸入要刪除的學(xué)生姓名："))
    for student in students:
        if student['name'] == delname:
            students.remove(student)
            print('刪除成功！')
            break
    with open('./student.json', 'w') as f2:
        json.dump(students, f2)
    tishi()


def show_stu():
    print("*姓名****學(xué)號****年齡***英語***體育***美術(shù)***數(shù)學(xué)*")
    for student in students:
        print(student['name'], '', student['stu_id'], '', student['age'], '   ', student['scores']['英語'], '   ',
              student['scores']['體育'], '   ', student['scores']['美術(shù)'], '   ', student['scores']['數(shù)學(xué)'])
    tishi()


def score_stu():
    stu_name = str(input("請輸入要查詢分?jǐn)?shù)的學(xué)生姓名："))
    for student in students:
        if student['name'] == stu_name:
            averge_score = float((student['scores']['英語'] + student['scores']['體育'] + student['scores']['美術(shù)'] +
                                  student['scores']['數(shù)學(xué)'])) / 4
            break
    print('他的平均分為：', averge_score)
    tishi()


def user_login():
    with open('./user.json', 'r', encoding='utf-8') as f1:
        all_user = json.load(f1)
    user_name = str(input("請輸入姓名："))
    for user in all_user:
        if user["name"] == user_name:
            count = 0
            while True:
                user_password = str(input("請輸入密碼："))
                if user["password"] == user_password:
                    print("登陸成功！")
                    return
                else:
                    print("密碼錯誤！")
                    count += 1
                    if count >= 3:
                        print("密碼輸錯3次，自動退出系統(tǒng)....")
                        exit()

    else:
        print("對不起沒有這個用戶，請注冊刁愿！")
        add_user()
        return


def add_user():
    # 保存所有用戶信息
    with open('./user.json', 'r', encoding="utf-8") as f1:
        all_user = json.load(f1)

    user_name = input("請輸入要注冊的姓名：")
    user_password = input("請輸入密碼：")
 #   user_password2 = str(input("請再次輸入密碼："))

    user = {'name': user_name, 'password': user_password}
    all_user.append(user)

    with open('./user.json', 'w') as f2:
        json.dump(all_user, f2)
    print(all_user)


while True:
    print("**********************************")
    print("1.用戶登錄")
    print("2.請注冊新用戶")
    print("0.退出系統(tǒng)")
    print("**********************************")

    ans = int(input("請選擇操作："))
    if ans == 0:
        exit()
    elif ans == 1:
        user_login()
        break
    elif ans == 2:
        add_user()
        break
    else:
        print("請正確操作")


while True:
    print('****************************歡迎來到千鋒學(xué)生管理系統(tǒng)*************************')
    print('1 添加學(xué)生\n')
    print('2 查詢學(xué)生\n')
    print('3 刪除學(xué)生\n')
    print('4 查看班級所有學(xué)生\n')
    print('5 查詢學(xué)生平均成績\n')
    print('0 退出系統(tǒng)\n')
    print('*****************************************************************************')

    num = int(input('請選擇你的操作：'))

    with open('./student.json', 'r', encoding='utf-8') as f1:
        students = json.load(f1)

    # students = [{'name': '小明', 'stu_id': 5120152566, 'age': 18, 'scores': {'英語': 96, '體育': 86, '美術(shù)': 84, '數(shù)學(xué)': 98}}]
    if num == 0:
        exit()

    if num == 1:
        add_stu()
     #   print(students)

    if num == 2:
        find_stu()

    if num == 3:
        del_stu()
    #    print(students)

    if num == 4:
        show_stu()

    if num == 5:
        score_stu()