controllers/productController.js

import Product from "../models/productModel.js";

// Create a new product
const createProduct = async (req, res) => {
  try {
    // Add the user ID from the protect middleware to the product
    const product = await Product.create({
      ...req.body,
      user: req.user._id,
    });
    res.status(201).json(product);
  } catch (error) {
    res.status(500).json({ msg: error.message });
  }
};

// Get all products
const getProducts = async (req, res) => {
  try {
    const products = await Product.find({});
    res.status(200).json(products);
  } catch (error) {
    res.status(500).json({ msg: error.message });
  }
};

// Get a single product by ID
const getProductById = async (req, res) => {
  try {
    const { id } = req.params;
    const product = await Product.findById(id);
    if (!product) {
      return res.status(404).json({ msg: "Product not found" });
    }
    res.status(200).json(product);
  } catch (error) {
    res.status(500).json({ msg: error.message });
  }
};

// Update a product
const updateProduct = async (req, res) => {
  try {
    const { id } = req.params;
    const product = await Product.findByIdAndUpdate(id, req.body, {
      new: true, // Return the modified document
      runValidators: true,
    });
    if (!product) {
      return res.status(404).json({ msg: "Product not found" });
    }
    res.status(200).json(product);
  } catch (error) {
    res.status(500).json({ msg: error.message });
  }
};

// Delete a product
const deleteProduct = async (req, res) => {
  try {
    const { id } = req.params;
    const product = await Product.findByIdAndDelete(id);
    if (!product) {
      return res.status(404).json({ msg: "Product not found" });
    }
    res.status(200).json({ msg: "Product deleted successfully" });
  } catch (error) {
    res.status(500).json({ msg: error.message });
  }
};

export {
  createProduct,
  getProducts,
  getProductById,
  updateProduct,
  deleteProduct,
};