export interface PaymentGateway {
    id: string;
    name: string;
    code: PaymentGatewayCode;
    is_active: boolean;
    settings: PaymentGatewaySettings;
    supported_currencies: string[];
    created_at: string;
    updated_at: string;
}
export type PaymentGatewayCode = 'stripe' | 'paypal' | 'vnpay' | 'momo' | 'zalopay' | 'grabpay' | 'bank_transfer' | 'cod';
export interface PaymentGatewaySettings {
    live_mode: boolean;
    merchant_id?: string;
    api_key?: string;
    secret_key?: string;
    webhook_key?: string;
    payment_methods?: string[];
    installment_terms?: number[];
    transaction_fee?: {
        fixed?: number;
        percentage?: number;
    };
    custom_settings?: Record<string, any>;
}
export interface PaymentMethod {
    id: string;
    gateway_code: PaymentGatewayCode;
    type: string;
    name: string;
    description?: string;
    icon_url?: string;
    is_active: boolean;
    currencies: string[];
    min_amount?: number;
    max_amount?: number;
    settings?: Record<string, any>;
}
export interface PaymentTransaction {
    id: string;
    order_id: string;
    gateway_code: PaymentGatewayCode;
    amount: number;
    currency: string;
    status: PaymentStatus;
    method: string;
    gateway_reference?: string;
    gateway_response?: Record<string, any>;
    error?: {
        code: string;
        message: string;
    };
    refund_status?: RefundStatus;
    refunded_amount?: number;
    created_at: string;
    updated_at: string;
    completed_at?: string;
}
export type PaymentStatus = 'pending' | 'processing' | 'completed' | 'failed' | 'cancelled' | 'expired';
export type RefundStatus = 'none' | 'partial' | 'full' | 'processing' | 'failed';
export interface CreatePaymentRequest {
    order_id: string;
    amount: number;
    currency: string;
    gateway_code: PaymentGatewayCode;
    method?: string;
    return_url?: string;
    cancel_url?: string;
    metadata?: Record<string, any>;
}
export interface PaymentResponse {
    transaction_id: string;
    checkout_url?: string;
    qr_code?: string;
    deep_link?: string;
}
export interface RefundRequest {
    transaction_id: string;
    amount: number;
    reason?: string;
    metadata?: Record<string, any>;
}
export interface PaymentAnalytics {
    total_transactions: number;
    total_amount: number;
    successful_rate: number;
    by_gateway: {
        gateway_code: PaymentGatewayCode;
        transactions: number;
        amount: number;
        success_rate: number;
    }[];
    by_method: {
        method: string;
        transactions: number;
        amount: number;
    }[];
    daily_stats: {
        date: string;
        transactions: number;
        amount: number;
    }[];
}
export interface PaymentWebhookEvent {
    id: string;
    type: string;
    gateway_code: PaymentGatewayCode;
    created_at: string;
    data: {
        transaction_id: string;
        status: PaymentStatus;
        gateway_reference?: string;
        metadata?: Record<string, any>;
    };
}
export interface InstallmentPlan {
    term: number;
    monthly_amount: number;
    total_amount: number;
    interest_rate: number;
    fee_amount: number;
    bank_code?: string;
}
export interface BankTransferInfo {
    bank_name: string;
    account_number: string;
    account_name: string;
    branch?: string;
    reference_code: string;
    amount: number;
    expires_at: string;
    qr_code?: string;
}