index.js

var express = require("express");
var bodyParser = require("body-parser");
var fast2sms = require("fast-two-sms");
require("dotenv").config();
var mongoose = require("mongoose");



const Patients = require("./modal/regisForPatients.js");
const Doctors = require("./modal/regisForDoctors.js");
const Staff = require("./modal/regisForStaff.js");
const bcrypt = require("bcryptjs");

const app = express();
app.use(bodyParser.json());
app.use(express.static("public"));
app.use(bodyParser.urlencoded({ extended: true }));
app.engine("html", require("ejs").renderFile);
app.set("view engine", "html");
app.set("views", "public");

mongoose.connect("mongodb://Localhost:27017/test11", {
	useNewUrlParser: true,
	useUnifiedTopology: true,
	useCreateIndex: true
});
var db = mongoose.connection;
db.on("error", () => console.log("Error in connecting to Mongo"));
db.once("open", () => console.log("Connected to database"));

app.post("/signup", async (req, res, cb) => {
	
	console.log(req.body.number);
	usernumberreg = await Patients.findOne({ number: req.body.number }).lean();
	usernumberreg2 = await Staff.findOne({ number: req.body.number }).lean();
	usernumberreg3 = await Doctors.findOne({ number: req.body.number }).lean();
	if (
		usernumberreg == null &&
		usernumberreg2 == null &&
		usernumberreg3 == null
	) {
		var firstName = req.body.first;
		var lastName = req.body.last;
		var username = req.body.username;
		 chcekname = req.body.username;
		var password = req.body.password;
		var number = req.body.number;
		var userType = req.body.type;
		var password = await bcrypt.hash(password, 10);

		data = {
			firstname: firstName,
			lastname: lastName,
			username: username,
			password: password,
			number: number,
			UserType: userType
		};
		otp = Math.floor(1000 + Math.random() * 9000);
		console.log(otp);
		const response = await fast2sms.sendMessage({
			authorization: process.env.API_KEY,
			message: otp,
			numbers: [req.body.number]
		});
		console.log(response);
		console.log(Object.values(data)[Object.values(data).length - 1]);
		// console.log(req.body.type);
		return res.render("otp.html");
	} else {
		res.render("noreg.html", {
			name: "dear user",
			message: "this number is already registered",
			bod: "login",
			linkm: "go to login",
			title: "Already registered"
		});
	}
});
app.post("/otpind", async (req, res) => {
	var otpen = req.body.otpin;

	// console.log(otpen, otp);
	if (otpen == otp) {
		console.log(chcekname);
		if(( await Doctors.findOne({ username: chcekname }).lean()==null)&&( await Staff.findOne({ username: chcekname }).lean()==null)&& (await Patients.findOne({ username: chcekname }).lean()==null)) {
			try {
				if (Object.values(data)[Object.values(data).length - 1] == "Patient") {
					const respon = await Patients.create(data);
					console.log(`successfully registered ${respon}`);
				} 
				else if (
					Object.values(data)[Object.values(data).length - 1] == "Doctor"
				) {
					const respon = await Doctors.create(data);
					console.log(`successfully registered ${respon}`);
				} else if (
					Object.values(data)[Object.values(data).length - 1] == "staff"
				) {
					const respon = await Staff.create(data);
					console.log(`successfully registered ${respon}`);
				}
			} catch (e) {
				//   console.log(e);
				if (e.code === 11000) {
					console.log("username taken");
					 res.render("noreg.html", {
						name: "dear user",
						message: "the username is already taken",
						bod: "regis",
						linkm: "try again",
						title: "taken"
					});
				}
				throw e;
			}
			return res.redirect("finish.html");
	}
	else {
		console.log("username taken");
		res.render("noreg.html", {
		   name: "dear user",
		   message: "the username is already taken",
		   bod: "regis",
		   linkm: "try again",
		   title: "taken"
	   });
	
	}
		
	
	} else {
		otp = Math.floor(1000 + Math.random() * 9000);
		console.log("try again");
		res.redirect("regis.html");
	}
});

app.get("/regis", (req, res) => {
	console.log("Going to regis page");
	res.redirect("regis.html");
});
app.get("/login", (req, res) => {
	console.log("Going to login page");
	res.redirect("login.html");
});
app.post("/logind", async (req, res) => {
	console.log("Going to logind page");
	const loginuser = req.body.loginname;
	const loginpow = req.body.loginpow;
	const patientlogin = await Patients.findOne({ username: loginuser }).lean();
	const doctorlogin = await Doctors.findOne({ username: loginuser }).lean();
	const stafflogin = await Staff.findOne({ username: loginuser }).lean();
	// console.log(userlogin);
	if (patientlogin != null) {
		
		
		if (await bcrypt.compare(loginpow, patientlogin.password)) {
			console.log("logged in");
			dctrlist=await Doctors.find().lean();
			arr1=[];
			dctrlist.forEach((dctr) => {
				
// console.log(dctr.firstname);
mainname=dctr.firstname+" "+dctr.lastname;
console.log(mainname);
arr1.push(mainname);
			});
			console.log(arr1);
			res.render("logged.html", {
				dct:arr1,
				name: "",
				message:
					"Hi! " +
					patientlogin.UserType +
					" " +
					loginuser +
					" You are logged in",
				bod: "login",
				linkm: "exit",
				title: "Welcome"
			});
		} else {
			console.log("wrong password");
			res.render("noreg.html", {
				name: loginuser,
				message: "your password is incorrect",
				bod: "login",
				linkm: "Try again",
				title: "Wrong password"
			});
		}
	} else if (doctorlogin != null) {
		if (await bcrypt.compare(loginpow, doctorlogin.password)) {
			console.log("logged in");
			res.render("noreg.html", {
				name: "",
				message:
					"Hi! " +
					doctorlogin.UserType +
					" " +
					loginuser +
					" You are logged in",
				bod: "login",
				linkm: "exit",
				title: "Welcome"
			});
		}
		else {
			console.log("wrong password");
			res.render("noreg.html", {
				name: loginuser,
				message: "your password is incorrect",
				bod: "login",
				linkm: "Try again",
				title: "Wrong password"
			});
		}
	} 
	else if (stafflogin != null) {
		if (await bcrypt.compare(loginpow, stafflogin.password)) {
			console.log("logged in");
			res.render("noreg.html", {
				name: "",
				message:
					"Hi! " +
					stafflogin.UserType +
					" " +
					loginuser +
					" You are logged in",
				bod: "login",
				linkm: "exit",
				title: "Welcome"
			});
		}
		else {
			console.log("wrong password");
			res.render("noreg.html", {
				name: loginuser,
				message: "your password is incorrect",
				bod: "login",
				linkm: "Try again",
				title: "Wrong password"
			});
		}
	}
	else {
		console.log("not registered");
		res.render("noreg.html", {
			name: loginuser,
			message: "you are not registered",
			bod: "regis",
			linkm: "Go register yourself",
			title: "Not registered"
		});
	}
});
app.get("/forget", async (req, res) => {
	res.render("forget.html");
});
app.post("/forgetotp", async (req, res) => {
	forgetnum=req.body.forgetnumber;
	patientnumber = await Patients.findOne({ number: forgetnum }).lean();
	doctornumber = await Doctors.findOne({ number: forgetnum }).lean();
	staffnumber = await Staff.findOne({ number: forgetnum }).lean();
	if (patientnumber != null) {
		otp = Math.floor(1000 + Math.random() * 9000);
		console.log(otp);
		const response = await fast2sms.sendMessage({
			authorization: process.env.API_KEY,
			message: otp,
			numbers: [req.body.forgetnumber]
		});
		console.log(response);
		usernumber=patientnumber;
		updatedb=Patients;
		res.redirect("otpforget.html");
	}
	else if (doctornumber != null) {
		otp = Math.floor(1000 + Math.random() * 9000);
		console.log(otp);
		const response = await fast2sms.sendMessage({
			authorization: process.env.API_KEY,
			message: otp,
			numbers: [req.body.forgetnumber]
		});
		updatedb=Doctors;
		usernumber=doctornumber;
		console.log(response);
		res.redirect("otpforget.html");
	}
	else if (staffnumber != null) {
		otp = Math.floor(1000 + Math.random() * 9000);
		console.log(otp);
		const response = await fast2sms.sendMessage({
			authorization: process.env.API_KEY,
			message: otp,
			numbers: [req.body.forgetnumber]
		});
		updatedb=Staff;
		usernumber=staffnumber;
		console.log(response);
		res.redirect("otpforget.html");
	}
	else {
		res.render("noreg.html", {
			name: "dear user",
			message: "you are not registered",
			bod: "regis",
			linkm: "Go register yourself",
			title: "Not registered"
		});
	}
});

app.post("/otpforget", async (req, res) => {
	if (otp == req.body.otpinforget) {
		res.redirect("newpass.html");
	} else {
		res.render("noreg.html", {
			name: " ",
			message: "wrong otp",
			bod: "forget",
			linkm: "try again",
			title: "invalid otp"
		});
	}
});
app.post("/newpass", async (req, res) => {
	console.log(usernumber._id);
	// console.log(req.body.newpass);
	var newpassword = await bcrypt.hash(req.body.newpass, 10);
	console.log(newpassword);
	// const updatelog = await updatedb.findOne({ mumber: forgetnum }).lean();
	const updatepass = async _id => {
		const result = await updatedb.updateOne(
			{ _id },
			{
				$set: {
					password: newpassword
				}
			}
		);
		console.log("updated successfully");
	};
	updatepass(usernumber._id);
	res.render("noreg.html", {
		name: "dear "+ usernumber.username,
		message: " your password is updated successfully",
		bod: "login",
		linkm: "Go to login",
		title: "password updated"
	});
});

app
	.get("/", (req, res) => {
		res.set({
			"Allow-access-Allow-Origin": "*"
		});
		return res.redirect("login.html");
	})
	.listen(8080, "localhost");

console.log("listening");
// updated