import { AdapterBase } from '../sdk/adapter-base';
import { AdapterReceiveResult, AdapterSendResult, AdapterValidateResult } from '../sdk/adapter-types';

/**
 * dbis.adapter.swift-fin
 * Scaffold adapter for SWIFT FIN/MT messaging.
 */
export class SwiftFinAdapter extends AdapterBase {
	async validate(canonicalInstruction: Record<string, unknown>): Promise<AdapterValidateResult> {
		// Minimal validation for scaffold
		return { ok: true };
	}

	async send(outboxRecord: {
		txnId: string;
		payloadHash: string;
		envelope: unknown;
	}): Promise<AdapterSendResult> {
		// In production, create MT message, sign/envelope, and transmit.
		return { status: 'SENT', railMessageId: `MT-${outboxRecord.txnId}` };
	}

	async receive(rawRailMessage: unknown): Promise<AdapterReceiveResult> {
		// Parse ACK/NAK or status; scaffold returns ACK
		return { status: 'ACK', railMessageId: `ACK-${Date.now()}` };
	}
}

