/**
 * Payment domain entities
 */

export interface Payment {
  id: string;
  orderId: string;
  userId: string;
  amount: number;
  currency: 'USD' | 'EUR' | 'GBP';
  status: PaymentStatus;
  method: PaymentMethodType;
  provider: PaymentProvider;
  transactionId?: string;
  providerTransactionId?: string;
  metadata?: Record<string, any>;
  createdAt: string;
  updatedAt: string;
  processedAt?: string;
  failureReason?: string;
}

export type PaymentStatus =
  | 'pending'
  | 'processing'
  | 'succeeded'
  | 'failed'
  | 'cancelled'
  | 'refunded'
  | 'partially_refunded';

export type PaymentMethodType =
  | 'credit_card'
  | 'debit_card'
  | 'paypal'
  | 'apple_pay'
  | 'google_pay'
  | 'bank_transfer'
  | 'crypto';

export type PaymentProvider =
  | 'stripe'
  | 'paypal'
  | 'square'
  | 'braintree'
  | 'adyen';

export interface PaymentMethod {
  id: string;
  userId: string;
  type: PaymentMethodType;
  isDefault: boolean;
  isActive: boolean;
  details: PaymentMethodDetails;
  createdAt: string;
  updatedAt: string;
}

export interface PaymentMethodDetails {
  // Credit/Debit Card
  last4?: string;
  brand?: string;
  expiryMonth?: number;
  expiryYear?: number;
  country?: string;
  
  // PayPal
  email?: string;
  
  // Bank Transfer
  bankName?: string;
  accountType?: string;
  routingNumber?: string;
  accountLast4?: string;
}

export interface CreatePaymentData {
  orderId: string;
  amount: number;
  currency: 'USD' | 'EUR' | 'GBP';
  paymentMethodId: string;
  description?: string;
  metadata?: Record<string, any>;
}

export interface ProcessPaymentData {
  paymentMethodId: string;
  amount: number;
  currency: 'USD' | 'EUR' | 'GBP';
  confirmationToken?: string;
  cvv?: string;
}

export interface RefundData {
  paymentId: string;
  amount?: number; // If not provided, full refund
  reason?: string;
}

export interface PaymentIntent {
  id: string;
  amount: number;
  currency: 'USD' | 'EUR' | 'GBP';
  status: 'requires_payment_method' | 'requires_confirmation' | 'succeeded' | 'failed';
  clientSecret: string;
  metadata?: Record<string, any>;
}

export interface PaymentWebhook {
  id: string;
  type: string;
  data: Record<string, any>;
  provider: PaymentProvider;
  signature: string;
  processed: boolean;
  createdAt: string;
}

export interface PaymentStats {
  totalRevenue: number;
  totalTransactions: number;
  successRate: number;
  averageTransactionValue: number;
  currency: 'USD' | 'EUR' | 'GBP';
  period: {
    start: string;
    end: string;
  };
}