const mongoose = require('mongoose');

const ingredientSchema = new mongoose.Schema({
  name: {
    type: String,
    required: true
  },
  amount: {
    type: Number,
    required: true
  },
  unit: {
    type: String,
    required: true
  }
});

const recipeSchema = new mongoose.Schema({
  title: {
    type: String,
    required: true
  },
  description: {
    type: String,
    required: true
  },
  ingredients: [ingredientSchema],
  instructions: [{
    step: Number,
    description: String
  }],
  servings: {
    type: Number,
    default: 4
  },
  prepTime: {
    type: Number, // in minutes
    required: true
  },
  cookTime: {
    type: Number, // in minutes
    required: true
  },
  category: {
    type: String,
    enum: ['breakfast', 'lunch', 'dinner', 'dessert', 'snack', 'appetizer'],
    required: true
  },
  difficulty: {
    type: String,
    enum: ['easy', 'medium', 'hard'],
    default: 'medium'
  },
  imageUrl: {
    type: String,
    default: ''
  },
  createdBy: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'User',
    required: true
  },
  createdAt: {
    type: Date,
    default: Date.now
  }
});

module.exports = mongoose.model('Recipe', recipeSchema);