index.js

const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
const bodyParser = require('body-parser');
const app = express();

// Middleware
app.use(cors());
app.use(bodyParser.json());

// Connect to MongoDB (replace with your MongoDB URI)
mongoose.connect('mongodb://localhost:27017/food_recipes', {
  useNewUrlParser: true,
  useUnifiedTopology: true
}).then(() => {
  console.log("Connected to MongoDB!");
}).catch((error) => {
  console.error("Error connecting to MongoDB:", error);
});

// Recipe Schema
const recipeSchema = new mongoose.Schema({
  name: { type: String, required: true },
  ingredients: { type: [String], required: true },
  instructions: { type: String, required: true },
  cuisine: { type: String },
  created_at: { type: Date, default: Date.now }
});

const Recipe = mongoose.model('Recipe', recipeSchema);

// Routes

// Get all recipes
app.get('/recipes', async (req, res) => {
  try {
    const recipes = await Recipe.find();
    res.json(recipes);
  } catch (error) {
    res.status(500).json({ message: error.message });
  }
});

// Get a recipe by ID
app.get('/recipes/:id', async (req, res) => {
  try {
    const recipe = await Recipe.findById(req.params.id);
    if (!recipe) {
      return res.status(404).json({ message: "Recipe not found" });
    }
    res.json(recipe);
  } catch (error) {
    res.status(500).json({ message: error.message });
  }
});

// Add a new recipe
app.post('/recipes', async (req, res) => {
  const { name, ingredients, instructions, cuisine } = req.body;
  const newRecipe = new Recipe({
    name,
    ingredients,
    instructions,
    cuisine
  });

  try {
    const savedRecipe = await newRecipe.save();
    res.status(201).json(savedRecipe);
  } catch (error) {
    res.status(400).json({ message: error.message });
  }
});

// Update a recipe
app.put('/recipes/:id', async (req, res) => {
  try {
    const updatedRecipe = await Recipe.findByIdAndUpdate(
      req.params.id,
      req.body,
      { new: true }
    );
    res.json(updatedRecipe);
  } catch (error) {
    res.status(400).json({ message: error.message });
  }
});

// Delete a recipe
app.delete('/recipes/:id', async (req, res) => {
  try {
    await Recipe.findByIdAndDelete(req.params.id);
    res.status(204).send();
  } catch (error) {
    res.status(400).json({ message: error.message });
  }
});

// Start the server
const PORT = process.env.PORT || 5000;
app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}`);
});