import { NextRequest, NextResponse } from "next/server";

const BE_BASE_URL = process.env.BE_BASE_URL || "http://localhost:5000";
const COOKIE_NAME = "auth_token";

export async function PUT(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    const { id } = await params;
    const { cookies } = await import("next/headers");
    const cookieStore = await cookies();
    const token = cookieStore.get(COOKIE_NAME)?.value;

    if (!token) {
      return NextResponse.json(
        { message: "Missing Authorization header" },
        { status: 401 }
      );
    }

    const payload = await request.json();

    const upstream = await fetch(`${BE_BASE_URL}/api/v1/transactions/${id}`, {
      method: "PUT",
      headers: {
        "Content-Type": "application/json",
        Authorization: `Bearer ${token}`,
      },
      body: JSON.stringify(payload),
    });

    const data = await upstream.json();
    console.log("[DEBUG] [TRANSACTIONS] [PUT] Response data:", data);
    return NextResponse.json(data, { status: upstream.status });
  } catch (err: unknown) {
    const errorMessage = err instanceof Error ? err.message : "Unknown error";
    return NextResponse.json(
      { message: "Internal server error", error: errorMessage },
      { status: 500 }
    );
  }
}