import mongoose, { Schema, Document } from 'mongoose';

export interface IUser extends Document {
  email: string;
  password: string;
  address: string;
  createdAt: Date;
  updatedAt: Date;
}

export interface IProduct extends Document {
  name: string;
  description: string;
  price: number;
  userId: string;
  createdAt: Date;
  updatedAt: Date;
}

export interface ICart extends Document {
  userId: string;
  products: { [itemId: string]: number };
  createdAt: Date;
  updatedAt: Date;
}

export interface IOrder extends Document {
  userId: string;
  products: { [itemId: string]: number };
  emailSent: boolean;
  createdAt: Date;
  updatedAt: Date;
}

const UserSchema: Schema = new Schema({
  email: { type: String, required: true, unique: true },
  password: { type: String, required: true },
  address: { type: String, required: true },
  createdAt: { type: Date, default: Date.now },
  updatedAt: { type: Date, default: Date.now },
});

const ProductSchema: Schema = new Schema({
  name: { type: String, required: true },
  description: { type: String, required: true },
  price: { type: Number, required: true },
  userId: { type: Schema.Types.ObjectId, ref: 'User', required: true },
  createdAt: { type: Date, default: Date.now },
  updatedAt: { type: Date, default: Date.now },
});

const CartSchema: Schema = new Schema({
  userId: { type: Schema.Types.ObjectId, ref: 'User', required: true, unique: true },
  products: { type: Schema.Types.Mixed, default: {} },
  createdAt: { type: Date, default: Date.now },
  updatedAt: { type: Date, default: Date.now },
});

const OrderSchema: Schema = new Schema({
  userId: { type: Schema.Types.ObjectId, ref: 'User', required: true },
  products: { type: Schema.Types.Mixed, default: {} },
  emailSent: { type: Boolean, default: false },
  createdAt: { type: Date, default: Date.now },
  updatedAt: { type: Date, default: Date.now },
});

ProductSchema.index({ name: 1, userId: 1 }, { unique: true });

const User = mongoose.model<IUser>('User', UserSchema);
const Product = mongoose.model<IProduct>('Product', ProductSchema);
const Cart = mongoose.model<ICart>('Cart', CartSchema);
const Order = mongoose.model<IOrder>('Order', OrderSchema);

export { User, Product, Cart, Order };