import tkinter
from tkinter import *
from tkinter import messagebox
from tkinter.messagebox import *
from tkinter.ttk import Treeview
import random
import pymysql
import time


class StuSc:
    def __init__(self, master, no):

        self.window1 = None
        self.course_array = []

        self.exam_array = []
        self.id = no

        self.flag = 0
        self.que_no = 1
        self.root = master
        self.root.geometry('1100x500')
        self.root.title('考生主页')

        self.window = Frame(self.root)
        self.window.pack()
        self.main_menu = Menu(self.window)

        self.main_menu.add_cascade(label="考试", command=self.show_course)

        self.main_menu.add_command(label="查询成绩", command=self.sel_score)

        self.main_menu.add_command(label="修改密码", command=self.chan_pw)

        self.main_menu.add_command(label="发送留言", command=self.SendM)
        self.UserOldInput = Entry(self.window)

        self.UserNewInput = Entry(self.window, show='*')

        self.root.config(menu=self.main_menu)

    def show_course(self):
        if self.flag == 1:
            messagebox.showerror(title='警告', message='请专注于当前考试')

        else:
            self.window.pack_forget()
            self.window = Frame(self.root)
            self.window.pack()


        # 点击 考试列表 时单击响应
            def on_click_exam_list_tree(event):
                if self.flag == 1:
                    messagebox.showerror(title='警告', message='请专注于当前考试')

                else:
                    selected_item = event.widget.selection()
                    exam_id = self.exam_array[int(selected_item[0]) - 1][0]
                    ask = askyesno(title="考试提醒", message="是否确定进入?", )

                    if ask:
                        self.flag = 1
                        timestamp = int(time.time())
                        time_local = time.localtime(timestamp)

                        timetable = time.strftime("%Y-%m-%d %H:%M:%S", time_local)
                        self.Exam(exam_id, timetable)


            # 点击 课程列表 时的单击响应函数

            def on_click_course_list_tree(event):

                if self.flag == 1:
                    messagebox.showerror(title='警告', message='请专注于当前考试')
                else:


                    selected_item = event.widget.selection()  # event.widget获取Treeview对象，调用selection获取选择对象名称
                    # 清空exam_select_tree上现有的内容
                    # 清空exam_select_tree上现有的内容
                    exam_select_tree.delete(*exam_select_tree.get_children())
                    course_name = self.course_array[int(selected_item[0])-1][1]
                    ad_id = self.course_array[int(selected_item[0])-1][2]


                    conn1 = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')
                    cur1 = conn1.cursor()
                    search_sqi1 = "select ExamID,ExamName from examnation,Course where CourseName=\""+course_name + \
                                  "\" and examnation.AdID=\"" + ad_id + "\"and examnation.CourseID=Course.CourseID;"
                    cur1.execute(search_sqi1)
                    j = 1

                    for row1 in cur1:
                        exam_select_tree.insert("", 'end', str(j), text='', values=row1)
                        j = j+1
                        self.exam_array.append(row1)
                    exam_select_tree.update_idletasks()
                    cur1.close()
                    conn1.close()

            main_panedwindow = PanedWindow(self.window, sashrelief=RAISED, sashwidth=5, orient=VERTICAL)

            # 课程列表区
            course_list_frame = Frame()
            course_list_sub_frame = Frame(course_list_frame)
            course_list_tree = Treeview(course_list_sub_frame, selectmode='browse')
            course_list_tree.bind('<<TreeviewSelect>>', on_click_course_list_tree)

            # 课程列表垂直滚动条
            course_list_vsc = Scrollbar(course_list_sub_frame, orient="vertical", command=course_list_tree.yview)
            course_list_vsc.pack(side=RIGHT, fill=Y, expand=YES)
            course_list_tree.configure(yscrollcommand=course_list_vsc.set)
            course_list_sub_frame.pack(side=TOP, fill=BOTH, expand=YES)

            # 课程列表水平滚动条
            course_list_hsc = Scrollbar(course_list_frame, orient="horizontal", command=course_list_tree.xview)
            course_list_hsc.pack(side=BOTTOM, fill=X, expand=YES)
            course_list_tree.configure(xscrollcommand=course_list_hsc.set)

            # 课程列表区列标题
            course_list_tree["columns"] = ("CourseID", "CourseName", "AdID")
            course_list_column_width = [333, 333, 333]

            course_list_tree['show'] = 'headings'
            # 载入列标题

            for column_name, column_width in zip(course_list_tree["columns"], course_list_column_width):
                course_list_tree.column(column_name, width=column_width, anchor='w')
                course_list_tree.heading(column_name, text=column_name)

            course_list_tree.pack(side=LEFT, fill=X, expand=YES)
            course_list_frame.pack(side=TOP, fill=X, padx=5, pady=5, expand=YES, anchor='n')

            # 将数据包列表区加入到主窗体
            main_panedwindow.add(course_list_frame)
            conn = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')
            cur = conn.cursor()
            search_sqi = "select * from Course;"
            cur.execute(search_sqi
                        )
            i = 1

            for row in cur:
                course_list_tree.insert("", "end", str(i), values=row)
                i = i + 1
                self.course_array.append(row)
            course_list_tree.update_idletasks()
            cur.close()
            conn.close()

            # 考试选择区
            exam_select_frame = Frame()
            exam_select_sub_frame = Frame(exam_select_frame)
            exam_select_tree = Treeview(exam_select_sub_frame, selectmode='browse')
            exam_select_tree.bind('<<TreeviewSelect>>', on_click_exam_list_tree)
            exam_select_tree.pack(side=LEFT, fill=BOTH, expand=YES)

            # 考试选择区垂直滚动条
            exam_select_vsc = Scrollbar(exam_select_sub_frame, orient="vertical", command=exam_select_tree.yview)
            exam_select_vsc.pack(side=RIGHT, fill=Y)
            exam_select_tree.configure(yscrollcommand=exam_select_vsc.set)
            exam_select_sub_frame.pack(side=TOP, fill=X, expand=YES)

            # 考试选择区水平滚动条
            exam_select_hsc = Scrollbar(exam_select_frame, orient="horizontal", command=exam_select_tree.xview)
            exam_select_hsc.pack(side=BOTTOM, fill=X)
            exam_select_tree.configure(xscrollcommand=exam_select_hsc.set)
            exam_select_frame.pack(side=LEFT, fill=X, padx=5, pady=5, expand=YES)

            # 载入列标题
            exam_select_tree["columns"] = ("ExamID", "ExamName")
            exam_select_column_width = [500, 500]
            exam_select_tree['show'] = 'headings'
            for column_name, column_width in zip(exam_select_tree["columns"], exam_select_column_width):
                exam_select_tree.column(column_name, width=column_width, anchor='w')
                exam_select_tree.heading(column_name, text=column_name)
            exam_select_tree.pack(side=LEFT, fill=X, expand=YES)
            exam_select_frame.pack(side=TOP, fill=X, padx=5, pady=5, expand=YES, anchor='n')

            # 将考试列表区加入到主窗体
            main_panedwindow.add(exam_select_frame)
            main_panedwindow.pack(fill=BOTH, expand=1)

    def sel_score(self):
        if self.flag == 1:
            messagebox.showerror(title='警告', message='请专注于当前考试')
        else:
            self.window.pack_forget()
            self.window = Frame(self.root)
            self.window.pack()
            main_panedwindow = PanedWindow(self.window, sashrelief=RAISED, sashwidth=5, orient=VERTICAL)

            # 课程列表区
            score_list_frame = Frame()
            score_list_sub_frame = Frame(score_list_frame)
            score_list_tree = Treeview(score_list_sub_frame, selectmode='browse')

            # # 课程列表垂直滚动条
            # score_list_vsc = Scrollbar(score_list_sub_frame, orient="vertical", command=score_list_tree.yview)
            # score_list_vsc.pack(side=RIGHT, fill=Y, expand=YES)
            # score_list_tree.configure(yscrollcommand=score_list_vsc.set)
            # score_list_sub_frame.pack(side=TOP, fill=BOTH, expand=YES)
            #
            # # 课程列表水平滚动条
            # score_list_hsc = Scrollbar(score_list_frame, orient="horizontal", command=score_list_tree.xview)
            # score_list_hsc.pack(side=BOTTOM, fill=X, expand=YES)
            # score_list_tree.configure(xscrollcommand=score_list_hsc.set)

            # 课程列表垂直滚动条
            score_list_vsc = Scrollbar(score_list_sub_frame, orient="vertical", command=score_list_tree.yview)
            score_list_vsc.pack(side=RIGHT, fill=Y, expand=YES)
            score_list_tree.configure(yscrollcommand=score_list_vsc.set)
            score_list_sub_frame.pack(side=TOP, fill=BOTH, expand=YES)

            # 课程列表水平滚动条
            score_list_hsc = Scrollbar(score_list_frame, orient="horizontal", command=score_list_tree.xview)
            score_list_hsc.pack(side=BOTTOM, fill=X, expand=YES)
            score_list_tree.configure(xscrollcommand=score_list_hsc.set)

            # 课程列表区列标题
            score_list_tree["columns"] = ('ExamName', 'Grade', 'beginTime', 'endTime')
            score_list_column_width = [250, 250, 250, 250]
            score_list_tree['show'] = 'headings'

            # 载入列标题
            for column_name, column_width in zip(score_list_tree["columns"], score_list_column_width):
                score_list_tree.column(column_name, width=column_width, anchor='w')
                score_list_tree.heading(column_name, text=column_name)
            score_list_tree.pack(side=LEFT, fill=X, expand=YES)
            score_list_frame.pack(side=TOP, fill=X, padx=5, pady=5, expand=YES, anchor='n')

            # 将数据包列表区加入到主窗体
            main_panedwindow.add(score_list_frame)
            main_panedwindow.pack(fill=BOTH, expand=1)
            conn = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')
            cur = conn.cursor()
            search_sqi = "select ExamName,grade,beginTime,endTime from studentscore where " \
                         "studentId=\"" + self.id + "\";"
            cur.execute(search_sqi)
            i = 1
            for row in cur:
                score_list_tree.insert("", "end", str(i), values=row)
                i = i + 1
            score_list_tree.update_idletasks()
            cur.close()
            conn.close()

    def chan_pw(self):
        if self.flag == 1:
            messagebox.showerror(title='警告', message='请专注于当前考试')
        else:
            self.window.pack_forget()
            self.window = Frame(self.root)
            self.window.pack()
            Label(self.window, text='请输入旧密码： ', font=('宋体', 15)).grid(row=0, column=0, padx=70, pady=70)
            self.UserOldInput = Entry(self.window)
            self.UserOldInput.grid(row=0, column=1, padx=75, pady=75)
            Label(self.window, text='请输入新密码： ', font=('宋体', 15)).grid(row=1, column=0, padx=70, pady=70)
            self.UserNewInput = Entry(self.window, show='*')
            self.UserNewInput.grid(row=1, column=1, padx=75, pady=75)
            Button(self.window, text='确认', width=10, command=self.confirm,
                   font=('宋体', 15)).grid(row=2, column=0, padx=70, pady=70)

    def confirm(self):
        a = self.UserOldInput.get()
        b = self.UserNewInput.get()

        conn = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')
        cur = conn.cursor()
        search_sqi = "set sql_safe_updates=0;"
        cur.execute(search_sqi)
        search_sqi = "select studentPassword from student where studentId=\"" + self.id + "\";"
        cur.execute(search_sqi)
        info = cur.fetchone()
        if a == info[0] and b != info[0]:
            search_sqi = "update student set studentPassword =\"" + b + "\" where studentId=\"" + self.id + "\";"
            cur.execute(search_sqi)
            conn.commit()
            tkinter.messagebox.showinfo(title='提示', message='密码修改成功！')
        elif a != info[0]:
            tkinter.messagebox.showerror(title='警告', message='旧密码输入错误')
        else:
            tkinter.messagebox.showinfo(title='提示', message='新旧密码不能一样！')
        cur.close()
        conn.close()

    def Exam(self, exam_id, begin_time):
        def Ques_ABCD(num):

            self.que_no = num

            no = "第" + str(self.que_no) + "题选项"
            ts["text"] = no
            if user_answer[num - 1] == 'A':
                bta["bg"] = mychoicecolor
                btb["bg"] = choicecolor
                btc["bg"] = choicecolor
                btd["bg"] = choicecolor
            elif user_answer[num - 1] == 'B':
                bta["bg"] = choicecolor
                btb["bg"] = mychoicecolor
                btc["bg"] = choicecolor
                btd["bg"] = choicecolor
            elif user_answer[num - 1] == 'C':
                bta["bg"] = choicecolor
                btb["bg"] = choicecolor
                btc["bg"] = mychoicecolor
                btd["bg"] = choicecolor
            elif user_answer[num - 1] == 'D':
                bta["bg"] = choicecolor
                btb["bg"] = choicecolor
                btc["bg"] = choicecolor
                btd["bg"] = mychoicecolor
            else:
                bta["bg"] = choicecolor
                btb["bg"] = choicecolor
                btc["bg"] = choicecolor
                btd["bg"] = choicecolor

        def Choice_change(y):
            if y == 'A':
                bta["bg"] = mychoicecolor
                btb["bg"] = choicecolor
                btc["bg"] = choicecolor
                btd["bg"] = choicecolor
            elif y == 'B':
                bta["bg"] = choicecolor
                btb["bg"] = mychoicecolor
                btc["bg"] = choicecolor
                btd["bg"] = choicecolor
            elif y == 'C':
                bta["bg"] = choicecolor
                btb["bg"] = choicecolor
                btc["bg"] = mychoicecolor
                btd["bg"] = choicecolor
            else:
                bta["bg"] = choicecolor
                btb["bg"] = choicecolor
                btc["bg"] = choicecolor
                btd["bg"] = mychoicecolor
            user_answer[self.que_no - 1] = y
            if self.que_no == 1:
                button1["bg"] = mychoicecolor
            elif self.que_no == 2:
                button2["bg"] = mychoicecolor
            elif self.que_no == 3:
                button3["bg"] = mychoicecolor
            elif self.que_no == 4:
                button4["bg"] = mychoicecolor
            elif self.que_no == 5:
                button5["bg"] = mychoicecolor
            elif self.que_no == 6:
                button6["bg"] = mychoicecolor
            elif self.que_no == 7:
                button7["bg"] = mychoicecolor
            elif self.que_no == 8:
                button8["bg"] = mychoicecolor
            elif self.que_no == 9:
                button9["bg"] = mychoicecolor
            else:
                button10["bg"] = mychoicecolor

        def Paperover_Confirm():
            for op in user_answer:
                if op == 'E':
                    tkinter.messagebox.showerror(title='警告', message='温馨提示，您还有题未作答！')
                    break
            else:
                fraction = 0
                for op in range(10):
                    if standard_answer[number_list[op]] == user_answer[op]:
                        fraction += 10


                conn1 = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')
                cur1 = conn1.cursor()

                # timestamp = int(time.time())
                # time_local = time.localtime(timestamp)
                # timetable = time.strftime("%Y-%m-%d %H:%M:%S", time_local)
                # search_sqi1 = "set sql_safe_updates=0;"
                # cur1.execute(search_sqi1)
                # search_sqi1 = "select ExamName from examnation where ExamID=\"" + exam_id + "\";"
                # cur1.execute(search_sqi1)
                # inf1 = cur1.fetchone()
                # search_sqi1 = "insert into studentscore values (\"" + \
                #               self.id + "\",\"" + inf1[0] + "\"," + str(fraction) + ",\"" + begin_time + "\"," + "\"" \
                #               + timetable + "\");"
                timestamp = int(time.time())
                time_local = time.localtime(timestamp)
                timetable = time.strftime("%Y-%m-%d %H:%M:%S", time_local)
                search_sqi1 = "set sql_safe_updates=0;"
                cur1.execute(search_sqi1)
                search_sqi1 = "select ExamName from examnation where ExamID=\"" + exam_id + "\";"
                cur1.execute(search_sqi1)
                inf1 = cur1.fetchone()
                search_sqi1 = "insert into studentscore values (\"" + \
                              self.id + "\",\"" + inf1[0] + "\"," + str(fraction) + ",\"" + begin_time + "\"," + "\"" \
                              + timetable + "\");"
                cur1.execute(search_sqi1)
                conn1.commit()
                cur1.close()
                conn1.close()
                tkinter.messagebox.showinfo(title='考试结束', message='你的总分是'+str(fraction)+'!')
                self.window.pack_forget()
                self.window = Frame(self.root)
                self.window.pack()
                self.flag = 0
                # 将成绩存入数据库并关闭当前答题界面回到学生页面

        self.window.pack_forget()
        self.window = Frame(self.root)
        self.window.pack()
        count = 1
        maxCount = 10

        user_answer = []
        for i in range(maxCount):
            user_answer.append('E')

        standard_answer = []

        space_list = []

        conn = pymysql.connect(host='localhost', user='root', password='123456', db='ruangong', charset='utf8')

        cur = conn.cursor()

        search_sqi = "select * from examnation where ExamID=\"" + exam_id + "\";"

        cur.execute(search_sqi)

        info = cur.fetchone()

        for i in range(4, 14):
            search_sqi = "select * from questions where QuesId=\"" + info[i] + "\";"

            cur.execute(search_sqi)

            info1 = cur.fetchone()

            standard_answer.append(info1[7])

            tab = '\n\t'

            content = info1[2] + tab + info1[3] + tab + info1[4] + tab + info1[5] + tab + info1[6]

            space_list.append(content)
        cur.close()
        conn.close()
        # 此时 space_list 变量存储的才是我们真正想要的题库数据 (数据清洗)
        # 随机产生索引 使用set集合是为了不随机产生相同的索引数字
        # 创建一个空集合，用于存储产生不重复的随机数 用作索引题库(space_list)
        number_list = []
        while True:

            # 如果number_set的长度等于最大题数，说明产生了我们想要的随机数个数 那就跳出死循环
            if len(number_list) == maxCount:
                break
            # 将产生的随机数添加到number_list
            x = random.randint(0, len(space_list) - 1)
            if x not in number_list:
                number_list.append(x)

        # 并将产生的新题目存入到paper_list

        paper_list = []
        for i in number_list:
            paper_list.append(space_list[i])

        s = ''
        for i in number_list:
            s += str(count) + "、" + space_list[i]
            s += '\n'
            count += 1

        # 创建滚动条，放到窗口的右侧, 填充Y竖直方向
        main_panedwindow = PanedWindow(self.window, sashrelief=RAISED, sashwidth=20, orient=VERTICAL)


        # 题目列表区
        course_list_frame1 = Frame()
        text = Text(course_list_frame1, width=100, height=25, wrap='char')
        text.insert("insert", f'{s}')
        text['state'] = 'disabled'
        text.pack()
        # course_list_frame1.pack(side=LEFT, fill=X, expand=YES)
        course_list_frame1.pack(side=TOP, fill=X, padx=5, pady=5, expand=YES, anchor='n')

        # 将数据列表区加入到主窗体
        main_panedwindow.add(course_list_frame1)

        # 定义按钮点击前后颜色
        choicecolor = 'DimGray'
        mychoicecolor = 'DeepSkyBlue'
        self.window1 = Frame(self.root)

        # 当前所做所做题号，初始化默认为1

        button1 = Button(self.window1, width=5, text="1", command=lambda: Ques_ABCD(1), bg=choicecolor)

        button2 = Button(self.window1, width=5, text="2", command=lambda: Ques_ABCD(2), bg=choicecolor)

        button3 = Button(self.window1, width=5, text="3", command=lambda: Ques_ABCD(3), bg=choicecolor)

        button4 = Button(self.window1, width=5, text="4", command=lambda: Ques_ABCD(4), bg=choicecolor)

        button5 = Button(self.window1, width=5, text="5", command=lambda: Ques_ABCD(5), bg=choicecolor)

        button6 = Button(self.window1, width=5, text="6", command=lambda: Ques_ABCD(6), bg=choicecolor)

        button7 = Button(self.window1, width=5, text="7", command=lambda: Ques_ABCD(7), bg=choicecolor)

        button8 = Button(self.window1, width=5, text="8", command=lambda: Ques_ABCD(8), bg=choicecolor)

        button9 = Button(self.window1, width=5, text="9", command=lambda: Ques_ABCD(9), bg=choicecolor)

        button10 = Button(self.window1, width=5, text="10", command=lambda: Ques_ABCD(10), bg=choicecolor)

        button1.pack(side=LEFT, padx=10)

        button2.pack(side=LEFT, after=button1, padx=10, pady=5)

        button3.pack(side=LEFT, after=button2, padx=10, pady=5)

        button4.pack(side=LEFT, after=button3, padx=10, pady=5)

        button5.pack(side=LEFT, after=button4, padx=10, pady=5)

        button6.pack(side=LEFT, after=button5, padx=10, pady=5)

        button7.pack(side=LEFT, after=button6, padx=10, pady=5)

        button8.pack(side=LEFT, after=button7, padx=10, pady=5)

        button9.pack(side=LEFT, after=button8, padx=10, pady=5)

        button10.pack(side=LEFT, after=button9, padx=10, pady=5)

        bta = Button(self.window1, width=5, text="A", command=lambda: Choice_change('A'), bg=choicecolor)

        btb = Button(self.window1, width=5, text="B", command=lambda: Choice_change('B'), bg=choicecolor)

        btc = Button(self.window1, width=5, text="C", command=lambda: Choice_change('C'), bg=choicecolor)

        btd = Button(self.window1, width=5, text="D", command=lambda: Choice_change('D'), bg=choicecolor)

        t = "第" + str(self.que_no) + "题选项"
        ts = Label(self.window1, width=10, text=t, bg=mychoicecolor)
        ts.pack(side=LEFT, padx=10)
        # bta.pack(side=LEFT, after=ts, padx=10)
        # btb.pack(side=LEFT, after=bta, padx=10, pady=5)
        # btc.pack(side=LEFT, after=btb, padx=10, pady=5)
        # btd.pack(side=LEFT, after=btc, padx=10, pady=5)
        bta.pack(side=LEFT, after=ts, padx=10)

        btb.pack(side=LEFT, after=bta, padx=10, pady=5)

        btc.pack(side=LEFT, after=btb, padx=10, pady=5)
        btd.pack(side=LEFT, after=btc, padx=10, pady=5)
        Paperover_Confirm = Button(self.window1, width=8, text="提交试卷", bg="red", command=Paperover_Confirm)
        Paperover_Confirm.pack(side=LEFT, after=btd, padx=10, pady=5)
        main_panedwindow.add(self.window1)
        main_panedwindow.pack(fill=BOTH, expand=1)
    def SendM(self):
        self.window.pack_forget()
        self.window = Frame(self.root)
        self.window.pack()


        Label(self.window, text='请输入留言： ', font=('宋体', 15)).grid(row=0, column=0, padx=70, pady=70)
        self.MInput = Entry(self.window)
        self.MInput.grid(row=0, column=1, padx=75, pady=75)

        Label(self.window, text='请输入收件人： ', font=('宋体', 15)).grid(row=1, column=0, padx=70, pady=70)
        self.ReInput = Entry(self.window, show='*')

        self.ReInput.grid(row=1, column=1, padx=75, pady=75)

        Button(self.window, text='确认', width=10, command=self.confirmM,

               font=('宋体', 15)).grid(row=2, column=0, padx=70, pady=70)
    def confirmM(self):

        if len(self.MInput.get())==0 or len(len(self.ReInput.get()))==0:
            messagebox.showerror(title='提示', message='不允许为空！')


        else:
            messagebox.showinfo(title='提示',message='已发送！')
if __name__ == '__main__':
    root = Tk()
    StuSc(root, '021154001')
    root.mainloop()