/**
 * Order domain entities
 */

export interface Order {
  id: string;
  orderNumber: string;
  userId: string;
  status: OrderStatus;
  items: OrderItem[];
  totals: OrderTotals;
  shippingAddress: Address;
  billingAddress: Address;
  paymentMethod: PaymentMethod;
  shipping: ShippingMethod;
  notes?: string;
  createdAt: string;
  updatedAt: string;
  completedAt?: string;
}

export type OrderStatus = 
  | 'pending'
  | 'confirmed'
  | 'processing'
  | 'shipped'
  | 'delivered'
  | 'cancelled'
  | 'refunded';

export interface OrderItem {
  id: string;
  productId: string;
  productName: string;
  productImage: string;
  sku: string;
  price: number;
  quantity: number;
  subtotal: number;
  options?: OrderItemOption[];
}

export interface OrderItemOption {
  name: string;
  value: string;
  price?: number;
}

export interface OrderTotals {
  subtotal: number;
  tax: number;
  shipping: number;
  discount: number;
  total: number;
  currency: 'USD' | 'EUR' | 'GBP';
}

export interface Address {
  id?: string;
  firstName: string;
  lastName: string;
  company?: string;
  address1: string;
  address2?: string;
  city: string;
  state: string;
  postalCode: string;
  country: string;
  phone?: string;
}

export interface PaymentMethod {
  type: 'credit_card' | 'paypal' | 'bank_transfer';
  details: {
    last4?: string;
    brand?: string;
    expiryMonth?: number;
    expiryYear?: number;
  };
}

export interface ShippingMethod {
  id: string;
  name: string;
  description: string;
  price: number;
  estimatedDays: number;
}

export interface CreateOrderData {
  items: {
    productId: string;
    quantity: number;
    options?: OrderItemOption[];
  }[];
  shippingAddress: Address;
  billingAddress: Address;
  paymentMethodId: string;
  shippingMethodId: string;
  notes?: string;
}

export interface UpdateOrderData {
  status?: OrderStatus;
  shippingAddress?: Address;
  billingAddress?: Address;
  notes?: string;
}

export interface OrderFilter {
  status?: OrderStatus;
  userId?: string;
  dateFrom?: string;
  dateTo?: string;
  search?: string;
}

export interface OrderStats {
  total: number;
  pending: number;
  processing: number;
  shipped: number;
  delivered: number;
  cancelled: number;
}