//password change controller
const passwordChangeController = async (req,res) => {
    try{
        const passwordValidator = Joi.object({
            password: Joi.string().required().pattern(new RegExp ('^[a-zA-Z0-9]{8,30}$'))
        })//validator the password
        const {error} = passwordValidator.validate(req.body)
        if(error){
            res.json({
                message: "validation error",
                error
            })
        }else{
            const {id} = req.params;
            const {password} = req.body;
            const hash = await bcrypt.hash(password, 10)
            await User.findByIdAndUpdate(
                {_id : id},
                {
                    $set: {
                        password: hash
                    }
                }
            )
            return res.json({
                message: "password has been changed"
            })
        }
    }
    catch(err){
        res.json({
            err
        })
    }
}