from flask import Flask, request, jsonify
from pymongo import MongoClient
from bson import ObjectId
import hashlib
import json
from flask import Flask, request
from flask_socketio import SocketIO, emit, join_room, leave_room
import time

app = Flask(__name__)
client = MongoClient("mongodb://localhost:27019/")
db = client["back"]
collection = db["users"]
# sockitIo解决跨域问题
app.config["SECRET_KEY"] = "secret!"
socketio = SocketIO(app, cors_allowed_origins="*")
# 存储连接的客户端的房间号
clients = []
adminSid = ""


@socketio.on("connect", namespace="/ws/video")
def on_connect():
    global clients
    global adminSid
    sid = request.sid
    # 假设客户端在连接时发送了一个 id
    id = request.args.get("id")
    isAdmin = request.args.get("isAdmin")
    if isAdmin == "1":
        adminSid = sid
        print(87874, adminSid)
    clients.append({"id": id, "sid": sid, "isAdmin": isAdmin})


@socketio.on("disconnect", namespace="/ws/video")
def on_disconnect():
    global clients
    for item in clients:
        if item["id"] == request.sid:
            clients.remove(item)
            print(f"Client disconnected with id {item['id']}")


@socketio.on("video", namespace="/ws/video")
def handle_video_frame(message):
    # 广播视频帧给老师
    global adminSid
    # print(f"Received video frame from {message['userId']}")
    socketio.emit("teacherVideo", message, to=adminSid, namespace="/ws/video")
    #


# md5加密
def md5_encrypt(data):
    md5 = hashlib.md5()
    md5.update(data.encode("utf-8"))
    return md5.hexdigest()


# 初始化数据
def initData():
    admin = collection.find_one({"isAdmin": 1, "isExit": 1})
    if admin is None:
        # 学校名称、学校代号、专业名称、专业代号、年级、班级、学生姓名、学号、密码、成绩、作弊情况（作弊类型、作弊时间、作弊图片）、考试类型、考试科目、考试时间段、考试链接、是否是管理员、是否删除、创建时间、更新时间
        # xuexiaomingcheng、xuexiaodaihao、zhuanyemingcheng、zhuanyedaihao、nianji、banji、xueshengxingming、xuehao、mima、chengji、zuobiqingkuang（zuobileixing、zuobishijian、zuobitupian）、kaoshileixing、kaoshikemu、kaoshishijianduan、kaoshilianjie、isAdmin、isExit、chuangjianshijian、gengxinshijian
        user = {
            "xuexiaomingcheng": "",
            "xuexiaodaihao": "",
            "zhuanyemingcheng": "",
            "zhuanyedaihao": "",
            "nianji": "",
            "banji": "",
            "xueshengxingming": "老师",
            "xuehao": "0000",
            "mima": md5_encrypt("0000"),
            "chengji": "",
            "zuobiqingkuang": [],
            "kaoshileixing": "",
            "kaoshikemu": "",
            "kaoshishijianduan": "",
            "kaoshilianjie": "",
            "isAdmin": 1,
            "isExit": 1,
            "chuangjianshijian": "",
            "gengxinshijian": "",
        }
        collection.insert_one(user)
        print("管理账号'老师'已被初始化新建")
    else:
        print(f"管理账号'{admin['xueshengxingming']}'已存在")


# 判断是否是管理员
def isAdmin(id):
    mongoId = ObjectId(id)
    userObj = collection.find_one({"_id": mongoId, "isExit": 1})
    # 检查 userObj 是否为 None
    if userObj is None:
        return False
    # 默认返回 False 如果 isAdmin 字段不存在
    adminBool = userObj.get("isAdmin", False)
    return bool(adminBool)


# 用户登录
@app.route("/userLogin", methods=["post"])
def login():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "请填写信息后登录", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    res = collection.find_one({"xuehao": userJson["xuehao"], "mima": userJson["mima"]})
    if res is None:
        return {"code": 200, "msg": "暂无此用户", "list": [], "hasError": True}
    # serialized_data = []
    # for item in data:
    #     item["_id"] = str(item["_id"])  # 将ObjectId转换为字符串
    #     serialized_data.append(item)
    # 将ObjectId转换为字符串
    res["_id"] = str(res["_id"])
    return {"code": 200, "msg": "登陆成功", "list": [res], "hasError": False}


# 新增用户
@app.route("/addUser", methods=["post"])
def insert_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        _id = ObjectId()
        userItem = {
            "_id": _id,
            "xuexiaomingcheng": userJson["xuexiaomingcheng"],
            "xuexiaodaihao": userJson["xuexiaodaihao"],
            "zhuanyemingcheng": userJson["zhuanyemingcheng"],
            "zhuanyedaihao": userJson["zhuanyedaihao"],
            "nianji": userJson["nianji"],
            "banji": userJson["banji"],
            "xueshengxingming": userJson["xueshengxingming"],
            "xuehao": userJson["xuehao"],
            "mima": md5_encrypt(userJson["mima"]),
            "chengji": userJson["chengji"],
            "zuobiqingkuang": userJson["zuobiqingkuang"],
            "kaoshileixing": userJson["kaoshileixing"],
            "kaoshikemu": userJson["kaoshikemu"],
            "kaoshishijianduan": userJson["kaoshishijianduan"],
            "kaoshilianjie": "/student/" + str(_id),  # 需要自动生成一个链接
            "isAdmin": 0,
            "isExit": 1,
            "chuangjianshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
            "gengxinshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
        }
        collection.insert_one(userItem)
        return "新增成功"


# 查询用户
@app.route("/getUser", methods=["post"])
def query_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "请填写信息后登录", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        users = collection.find()
        serialized_data = []
        for item in users:
            item["_id"] = str(item["_id"])  # 将ObjectId转换为字符串
            serialized_data.append(item)
        return {
            "code": 200,
            "msg": "查询成功",
            "list": serialized_data,
            "hasError": False,
        }
    else:
        mongoId = ObjectId(userJson["id"])
        userObj = collection.find_one({"_id": mongoId, "isExit": 1})
        userObj["_id"] = str(userObj["_id"])  # 将ObjectId转换为字符串
        return {
            "code": 200,
            "msg": "查询成功",
            "list": [userObj],
            "hasError": False,
        }


# 更新用户
@app.route("/updateUser", methods=["post"])
def update_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        userItem = {
            "xuexiaomingcheng": userJson["xuexiaomingcheng"],
            "xuexiaodaihao": userJson["xuexiaodaihao"],
            "zhuanyemingcheng": userJson["zhuanyemingcheng"],
            "zhuanyedaihao": userJson["zhuanyedaihao"],
            "nianji": userJson["nianji"],
            "banji": userJson["banji"],
            "xueshengxingming": userJson["xueshengxingming"],
            "xuehao": userJson["xuehao"],
            "chengji": userJson["chengji"],
            "zuobiqingkuang": userJson["zuobiqingkuang"],
            "kaoshileixing": userJson["kaoshileixing"],
            "kaoshikemu": userJson["kaoshikemu"],
            "kaoshishijianduan": userJson["kaoshishijianduan"],
            "gengxinshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
        }
        collection.update_one(
            {"_id": ObjectId(userJson["userid"])},
            {"$set": userItem},
        )
        return "修改成功"


# 删除用户
@app.route("/delUser", methods=["post"])
def delete_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        serialized_data = []
        for item in userJson["ids"]:
            serialized_data.append(ObjectId(item))  # 将ObjectId转换为字符串
        collection.delete_many({"_id": {"$in": serialized_data}})
        return "删除成功"


# 修改密码
@app.route("/updatePassword", methods=["post"])
def updatePassword():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        collection.update_one(
            {"_id": ObjectId(userJson["userid"])},
            {
                "$set": {"mima": md5_encrypt(userJson["mima"])},
            },
        )
    return {"code": 200, "msg": "修改成功", "list": [], "hasError": False}


if __name__ == "__main__":
    initData()
    # app.run(debug=True)
    socketio.run(app, debug=True)