const express = require('express');
const router = express.Router();
const mongoose = require('mongoose');

const Product = require('../models/product');


router.post('/',(req, res, next) => {

    const newProduct = new Product({
         _id: new mongoose.Types.ObjectId(),
         name: req.body.name,
         price: req.body.price
    });

    newProduct
    .save()
    .then(result => {
        console.log(result);

        res.status(200).json({
            message:'Harzndling POST requets /products',
            createdProduct: result
        });

    })
    .catch(err => {
        console.log(err);
        res.status(500).json({
            error: err
        });
    });


});

router.get('/:productId',(req, res, next) => {
    const id = req.params.productId;
    Product.findById(id)
    .exec()
    .then(
        doc => {console.log(doc);
        if (doc != null) {
            res.status(200).json(doc);
        } else {
            res.status(404).json({
                error: 'Not a valid ID'
            })
        }
     })
    .catch(err => {
        console.log(err);
        res.status(500).json({
            error: err
        })
    });
});



router.get('/',(req,res,next) => {
    Product.find()
    .exec()
    .then(docs => {
        console.log(docs);
        res.status(200).json({
            message: 'Getting all products',
            products: docs
        })
    })
    .catch(err => {
        console.log(err);
        res.status(500).json({
            error: err
        })
    })
});


router.delete('/:productId',(req,res,next) => {
    const id = req.params.productId;
    Product
    .remove({_id:id})
    .exec()
    .then(result => {
        console.log(result);
        res.status(200).json({
            message: result
        })
    })
    .catch(err => {
        console.log(err);
        res.status(500).json({
            error: err
        })
    })

})

router.patch('/:productId',(req,res,next) => {
    const id = req.params.productId;
    Product
    .update({_id:id}, {$set: {name: req.body.newName, price: req.body.newPrice}})
    .exec()
    .then(result => {
        console.log(result);
        res.status(200).json({
            message: result
        })
    })
    .catch(err => {
        console.log(err);
        res.status(500).json({
            error: err
        })
    })

})





module.exports = router;