import { type NextRequest, NextResponse } from "next/server";
import { abacatePay } from "@/lib/abacatepay";
import {
  checkRateLimit,
  createRateLimitResponse,
  getClientIP,
} from "@/lib/rate-limiter";

export async function GET(request: NextRequest) {
  try {
    // Rate limiting
    const ip = getClientIP(request);
    const rateLimit = checkRateLimit(ip, "/api/donations/verify");

    if (!rateLimit.allowed) {
      return createRateLimitResponse(rateLimit.resetAt);
    }
    const { searchParams } = new URL(request.url);
    const billingId = searchParams.get("billingId");

    if (!billingId) {
      return NextResponse.json(
        { success: false, error: "ID da cobrança é obrigatório" },
        { status: 400 },
      );
    }

    const billing = await abacatePay.getBillingStatus(billingId);

    return NextResponse.json({
      success: true,
      status: billing.status,
      amount: billing.amount,
      createdAt: billing.createdAt,
      expiresAt: billing.expiresAt,
    });
  } catch (error) {
    console.error("Billing verification error:", error);
    return NextResponse.json(
      {
        success: false,
        error:
          error instanceof Error ? error.message : "Erro ao verificar cobrança",
      },
      { status: 500 },
    );
  }
}