authController.js

const User=require('../../models/user')
const bcrypt=require('bcrypt')
const passport = require('passport')
function authController() {
    const _getRedirectUrl=(req)=>{
        return req.user.role === 'admin'?'/admin/orders' : '/customer/orders'
    }
    return {
        login(req,res) {
            res.render('auth/login')
        },
        postLogin(req,res,next){
            const { email,password} =req.body;
            //Validate request
            if( !email || !password)
                {
                    req.flash('error','All fields are required')
         
                    return res.redirect('/login')
                }
          passport.authenticate('local',(err, user, info)=>{
             if(err)
             {
                 req.flash('error',info.message)
                 return next(err)
             }
             if(!user)
             {
                req.flash('error',info.message)
                return res.redirect('/login')
             }
             req.logIn(user,(err)=>{
                 if(err)
                 {
                  req.flash('error',info.message)
                  return next(err)
                 }
                

                 return res.redirect(_getRedirectUrl(req))
             })
          })(req,res,next)
        },
        register(req,res) {
            res.render('auth/register')
        },
        async postRegister(req,res){
            const { name,email,password} =req.body;
            //Validate request
            if(!name || !email || !password)
                {
                    req.flash('error','All fields are required')
                    req.flash('name',name)
                    req.flash('email',email)
                    return res.redirect('/register')
                }

            //check if email exists
            User.exists({email:email},(err,result)=>{
                 if(result) {

                    req.flash('error','Email already taken')
                    req.flash('name',name)
                    req.flash('email',email)
                    return res.redirect('/register')
                 }
            })
            //Hash password
            const hashedPassword=await bcrypt.hash(password, 10)
           //Create a user
            const user=new User({
                 name,
                 email,
                 password:hashedPassword
            })
            user.save().then((user)=>{
                //Login

                return res.redirect('/')
            }).catch(err=>{
                
                req.flash('error','Something went wrong')
                
                    return res.redirect('/register')
            })


           
        },
        logout(req,res)
        {
          req.logout()
          return res.redirect('/login')
        }
    }
}


module.exports=authController