const express = require('express');
const router = express.Router();
const bcrypt = require('bcryptjs');
const jwt = require('jsonwebtoken');
const JWT_SECRET = "l!TtLeGr()O//En";
const Teacher = require('../../schema/teacher')

router.post('/register', async (req, res) => {
    try {        
        const { name, email, password } = req.body
        console.log('body', req.body)
        if (name && email && password) {
            const checkTeacher = await Teacher.findOne({ email })
            if (checkTeacher) {
                return res.redirect("/sites/little-groovin-guitar/teacher-admin/login?error=Email Address Already Used...")
            }
            const salt = await bcrypt.genSalt(10)
            const hashPassword = await bcrypt.hash(password, salt)
           const newTeacher = await Teacher.create({ name, email, password: hashPassword })
            const fetchTeacher = await Teacher.findOne({ email })
            const { _id } = fetchTeacher
            const teacher = {
                id: _id, name, email
            }
            const authtoken = jwt.sign(teacher, JWT_SECRET);
            return res.status(200)
            // .cookie('authtoken', authtoken)
            .redirect("/sites/little-groovin-guitar/admin-panel/teacher?message=admin-panel?message=teacher Registered Successfully...")
        }
        else {
            console.log(req.body)
            return res.redirect("/sites/little-groovin-guitar/admin-panel/teacher/login?error=Invalid Form Data...")
        }
    }
    catch (err) {
        console.log(err);
        console.log(err.message);
        return res.redirect("/sites/little-groovin-guitar/teacher-admin/login?error=" + err.message)
    }
})

router.post('/login', async (req, res) => {
    try {
        const { email, password } = req.body
        console.log({ email, password })
        // return
        const checkTeacher = await Teacher.findOne({ email })
        if (checkTeacher) {
            const passwordCompare = await bcrypt.compare(password, checkTeacher.password);
            if (passwordCompare) {
                const { _id, email} = checkTeacher
                const teacher = {
                    id: _id, email
                }
                const authtoken = jwt.sign(teacher, JWT_SECRET);
                console.log(authtoken)
                    return res.status(200).cookie('authtoken', authtoken).redirect("/sites/little-groovin-guitar/teacher-admin" + '?message=teacher-admin Logged In Successfully...')
            }
            else {
                console.log("Invalid Password")
                return res.status(422).redirect("/sites/little-groovin-guitar/teacher-admin/login" + '?error="Invalid Credentials')
            }
        }
        else {
            console.log("Invalid Email")
            return res.status(422).redirect("/sites/little-groovin-guitar/teacher-admin/login" + '?error="Invalid Credentials')
        }
    }
    catch (err) {
        console.log(err.message);
        return res.status(422).redirect("/sites/little-groovin-guitar/teacher-admin/login?error=" + err.message)
    }
})

router.get('/logout', async (req, res) => {
    res.clearCookie('authtoken')
    return res.status(200).redirect('/sites/little-groovin-guitar/?message=Teacher Logged Out...')
})
router.get("/register-from" , (req, res) =>{
    return res.render("teacher-admin/register-from")
})


router.get('/delete/:id', async (req, res) => {
    try {
        const adminId = req.params.id;
        await Teacher.findByIdAndDelete(adminId);
        console.log(`Admin with ID ${adminId} deleted.`);
        res.redirect('/sites/little-groovin-guitar/admin-panel/teacher'); // Redirect to the admin list
    } catch (error) {
        console.error("Error deleting admin:", error);
        res.status(500).send("Server Error");
    }
});

module.exports = router