import dmPython
import json
from Crypto.Cipher import AES
from Crypto.Random import get_random_bytes
import base64

db = dmPython.connect(user='SYSDBA', password='dameng!!', host="36.138.114.105", port="32522")


def pad(data):
    block_size = 16
    padding = block_size - len(data) % block_size
    return data + bytes([padding] * padding)


def student_login_func(ID, password):  # 登录函数，根据学号和职工号和管理员号码进行区分,进入到不同的页面
    login_cursor = db.cursor()

    secret_key = b'aaaaaaaaaaaaaaaa'  # 生成16字节密钥
    aes = AES.new(secret_key, AES.MODE_ECB)

    password = pad(password.encode('UTF-8'))
    en_password = base64.b64encode(aes.encrypt(password))
    en_password = en_password.decode('utf8')
    login_cursor.execute(f"SELECT * FROM STUDENT where ID={ID}")
    login_result = login_cursor.fetchall()
    password = login_result[0][2]
    login_cursor.close()
    return en_password, password


# student_login_func('20240101','350625')
def teacher_login_func(ID):
    login_cursor = db.cursor()
    login_cursor.execute(f'SELECT * FROM TEACHER WHERE TEACHER_ID={ID}')
    login_result = login_cursor.fetchall()
    password = login_result[0][2]
    login_cursor.close()
    print(password)
    return password


def administrator_login_func(ID):
    login_cursor = db.cursor()
    login_cursor.execute(f'SELECT * FROM ADMINISTRATOR WHERE ID={ID}')
    login_result = login_cursor.fetchall()
    password = login_result[0][2]
    login_cursor.close()
    print(password)
    return password


def register_func(usernames, ID, password, Class, gender):
    register_cursor = db.cursor()

    secret_key = b'aaaaaaaaaaaaaaaa'  # 生成16字节密钥
    aes = AES.new(secret_key, AES.MODE_ECB)

    password = pad(password.encode('UTF-8'))
    en_password = base64.b64encode(aes.encrypt(password))

    register_cursor.execute(f'INSERT INTO STUDENT ("NAME", "ID", "PASSWORD","CLASS","GENDER") VALUES (?,?,?,?,?)',
                            (usernames, ID, en_password, Class, gender))
    register_cursor.execute(f'INSERT INTO STUDENT_MIDDLE_CLASS ("STUDENT_ID","CLASS") VALUES(?,?)', (ID, Class))

    db.commit()
    register_cursor.close()
    print('注册成功')
    return '注册成功'


# 下为测试数据
# register_func('小紫','20240104','350625','女')


# 获取学生信息


def add_result_func(id, time, result_data):  # 添加成绩
    add_result_conn_cursor = db.corsor
    result_data_str = json.dumps(result_data)  # 将字典转换为JSON字符串
    add_result_conn_cursor.execute(f"INSERT INTO STUDENT_RESULT VALUES ('{id}', '{time}', '{result_data_str}')")
    print('添加成功')
    db.commit()
    add_result_conn_cursor.close()
    return '添加成功'


# 测试数据
# add_result_data={'id':2312072104,'time':'2005-03-23','result':{'chinese':100,'math':100}}
# add_result_func(add_result_data['id'],add_result_data['time'],add_result_data['result'])

def fetch_result_func(id):  # 查询一个同学在不同时间段的不同考试成绩返回内容为{'result': '{"chinese": 100, "english": 100}'}
    cursor=db.cursor()
    cursor.execute(f"SELECT * FROM STUDENT_TEST where STUDENT_ID={id}")
    result=cursor.fetchall()
    result_dic={}
    for i in result:
        result_dic[i[3]]=i[5]
    cursor.close()
    print(result_dic)
    return result_dic

def get_lesson_func(id):
    get_lesson_cursor = db.cursor()
    get_lesson_cursor.execute("SELECT C.COURSE FROM STUDENT_MIDDLE_CLASS S INNER JOIN COURSE C ON S.CLASS = C.CLASS "
                              "WHERE S.STUDENT_ID = (?)", (id,))
    get_lesson_result = get_lesson_cursor.fetchall()[0][0]
    lesson = eval(get_lesson_result)
    print(lesson)
    get_lesson_cursor.close()
    return lesson


def student_succeed_func(ID):
    cursor = db.cursor()
    cursor.execute(f'SELECT * FROM STUDENT WHERE ID={ID}')
    student_succeed = cursor.fetchall()[0]
    student_succeeds = student_succeed[0], student_succeed[1], student_succeed[3], student_succeed[4]
    print(student_succeeds)
    cursor.close()
    return student_succeeds


# fetch_testID('20240101')
def fetch_test_func(ID):#获取试卷
    cursor = db.cursor()
    cursor.execute(f'SELECT TEST_ID FROM STUDENT_TEST WHERE STUDENT_ID={ID}')
    testID = []
    TEST_ID = cursor.fetchall()
    for i in TEST_ID:
        testID.append(i[0])
    test_succeed = {}  # 初始化一个空字典，用于保存结果

    for i in testID:
        cursor.execute(f'SELECT * FROM TEST_BANK WHERE ID={i}')
        test = cursor.fetchall()[0]
        test = list(test)
        # print(test)
        # 开始时间及结束时间
        releasetime = test[5]
        endtime = test[6]
        # 持续时间
        hour = test[3]
        min = test[4]
        # 发布人
        cursor.execute(f'SELECT TEACHER_ID  FROM TEACHER_MIDDLE_SUBJECT WHERE SUBJECT=(?)', (test[9]))
        teacher_id = cursor.fetchone()[0]
        cursor.execute(f'SELECT TEACHER_NAME FROM TEACHER WHERE TEACHER_ID=(?)', (teacher_id))
        teacher_name = cursor.fetchone()[0]
        #试卷ID
        test_id = test[8]

        choice_list = test[0]
        completion_list = test[1]
        judge_list = test[2]
        choice_list = json.loads(choice_list)
        completion_list = json.loads(completion_list)
        judge_list = json.loads(judge_list)

        # 初始化存储选项的列表
        choice = []
        completion = []
        judge = []

        for j in list(choice_list):
            cursor.execute(f'SELECT * FROM CHOICE_QUESTION_BANK WHERE ID=(?)', (j))
            choice.append(cursor.fetchall())

        for j in list(completion_list):
            cursor.execute(f'SELECT * FROM COMPLETION_QUESTION_BANK WHERE ID=(?)', (j))
            completion.append(cursor.fetchall())

        for j in list(judge_list):
            cursor.execute(f'SELECT * FROM T_OR_F_QUESTION_BANK WHERE ID=(?)', (j))
            judge.append(cursor.fetchall())

        # 存储结果到test_succeed字典中
        test_succeed[i] = [[choice, completion, judge], hour, min, releasetime, endtime,teacher_name,test_id]

    # 在循环之外打印结果
    return test_succeed
# fetch_test_func('20240101')

# 查找学生已经完成的记录
def find_end_test(ID):
    cursor = db.cursor()
    cursor.execute(f"SELECT TEST_ID FROM STUDENT_TEST WHERE STUDENT_ID={ID} AND TF='true'")
    testID = []
    TEST_ID = cursor.fetchall()
    for i in TEST_ID:
        testID.append(i[0])
    return testID

# find_end_test('20240101')

def score_entry_func(score,testID,ID):
    cursor = db.cursor()
    cursor.execute(f"UPDATE STUDENT_TEST SET TF='true', RESULT=(?) WHERE STUDENT_ID=(?) AND TEST_ID=(?)",(score,ID,testID))
    db.commit()
    cursor.close()
    return '修改成功'


def FetchTrainTitleFunc(ID):
    cursor = db.cursor()
    cursor.execute("SELECT * FROM TRAINSCORE WHERE STUDENT_ID=? and TF='false'",(ID))
    train_title = cursor.fetchall()
    titles = []
    title = []
    for i in train_title:
        titles.append(i[2])

    for i in titles:
        cursor.execute('SELECT * FROM TRAINTEST WHERE ID=? ',(i))
        title.append(cursor.fetchall())

    cursor.close()
    return title



def FetchTrainTestFunc(operateID):
    cursor = db.cursor()
    cursor.execute("SELECT * FROM TRAINTEST WHERE ID=?",(operateID))
    TrainID=cursor.fetchall()[0]
    #获取题目
    CHOICEID=json.loads(TrainID[0])
    COMPLEID=json.loads(TrainID[1])
    JUDGEID=json.loads(TrainID[2])
    Train=json.loads(TrainID[11])

    CHOICELIST=[]
    COMPLELIST=[]
    JUDGELIST=[]

    CHOICE=[str(x) for x in CHOICEID]
    COMPLE=[str(x) for x in COMPLEID]
    JUDGE=[str(x) for x in JUDGEID]

    for i in CHOICE:
        cursor.execute('SELECT * FROM CHOICE_QUESTION_BANK WHERE ID=(?)',(i))
        CHOICELIST.append(cursor.fetchall())

    for i in COMPLE:
        cursor.execute('SELECT * FROM COMPLETION_QUESTION_BANK WHERE ID=(?)',(i))
        COMPLELIST.append(cursor.fetchall())

    for i in JUDGE:
        cursor.execute('SELECT * FROM T_OR_F_QUESTION_BANK WHERE ID=(?)',(i))
        JUDGELIST.append(cursor.fetchall())

    HOUR=TrainID[3]
    MIN=TrainID[4]
    if int(HOUR)==0:
        time=int(MIN)
    elif int(MIN)==0:
        time=int(HOUR)*60
    else:
        time=int(HOUR)*60+int(MIN)


    dic={'operateID':[CHOICELIST,COMPLELIST,JUDGELIST,Train,time]}


    return dic

# FetchTrainTestFunc('6')

def HistoryTrainFunc(ID):
    dic={}
    cursor=db.cursor()
    cursor.execute("SELECT * FROM TRAINSCORE WHERE STUDENT_ID=? AND TF='true'",(ID))
    historytrain=cursor.fetchall()

    for i in historytrain:
        cursor.execute("SELECT * FROM TRAINTEST WHERE ID=?", (i[2]))
        dic[i[2]]=i,cursor.fetchall()[0]


    return dic

# HistoryTrainFunc('20240101')