const express = require("express");
const router = express.Router();
const mongoose = require("mongoose");
const multer = require("multer");

const storage =  multer.diskStorage({
    destination:function(req, file, cb){
        cb(null, "./uploads/");
    },
    filename: function(req, file, cb){
        cb(null, new Date().toISOString().replace(":","_").replace(":","_") + file.originalname);
    }

})

const upload = multer({storage: storage});

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

router.get("/",(req,res,next)=>{
    Product.find().exec()
    .then(docs =>{
        res.status(200).json(docs);
    })
    .catch(err=>res.status(500).json({error:err}));;


});
router.post("/", upload.single("productImage"), (req,res,next)=>{
    console.log(req.file);
    const product = new Product({
        _id: new mongoose.Types.ObjectId(),
        name: req.body.name,
        price: req.body.price
    });

    product.save()
    .then(result => {
        res.status(200).json({
            message:"Dodano nowy produkt",
            createdProduct: result
    });
    })
    .catch(err=>res.status(500).json({error:err}));

});

router.get("/:productId",(req,res,next)=>{
const id = req.params.productId;
Product.findById(id).exec()
.then(doc => {
    res.status(200).json(doc);
})
.catch(err=>res.status(500).json({error:err}));


});
router.patch("/:productId",(req,res,next)=>{
const id = req.params.productId;

Product.findByIdAndUpdate(id,{$set:{
    name: req.body.newName,
    price: req.body.newPrice

}}).exec()
.then(result =>{
    res.status(200).json(result);
})
.catch(err=>res.status(500).json({error:err}));


});
router.delete("/:productId",(req,res,next)=>{
const id = req.params.productId;

Product.findByIdAndRemove(id).exec()
.then(result =>{
    res.status(200).json({message:"Usunieto produkt o nr: "+id});
})
.catch(err=>res.status(500).json({error:err}));


});

module.exports = router;