import { NextRequest, NextResponse } from "next/server";
import { getApiKey } from "@/lib/utils/apiKey";
import axios from "axios";

export async function GET(req: NextRequest) {
  const service = req.nextUrl.searchParams.get("service");
  if (!service) return NextResponse.json({ ok: false, error: "Missing service" }, { status: 400 });

  const key = await getApiKey(service);
  if (!key) return NextResponse.json({ ok: false, error: "Not configured" });

  try {
    switch (service) {
      case "anymailfinder": {
        // Test with a known domain — no credits charged if email not found
        const res = await axios.post(
          "https://api.anymailfinder.com/v5.1/find-email/decision-maker",
          { domain: "microsoft.com", decision_maker_category: ["ceo"] },
          { headers: { Authorization: key }, timeout: 15000 }
        );
        return NextResponse.json({ ok: res.status === 200 });
      }
      case "apify": {
        const res = await axios.get("https://api.apify.com/v2/users/me", {
          params: { token: key },
          timeout: 10000,
        });
        return NextResponse.json({ ok: res.status === 200 });
      }
      case "vayne": {
        const res = await axios.get("https://www.vayne.io/api/credits", {
          headers: { Authorization: `Bearer ${key}` },
          timeout: 10000,
        });
        return NextResponse.json({ ok: res.status === 200 });
      }
      case "googlemaps": {
        const res = await axios.post(
          "https://places.googleapis.com/v1/places:searchText",
          { textQuery: "restaurant", maxResultCount: 1 },
          {
            headers: {
              "X-Goog-Api-Key": key,
              "X-Goog-FieldMask": "places.id",
              "Content-Type": "application/json",
            },
            timeout: 10000,
          }
        );
        return NextResponse.json({ ok: res.status === 200 });
      }
      default:
        return NextResponse.json({ ok: false, error: "Unknown service" });
    }
  } catch (err) {
    const status = (err as { response?: { status?: number } })?.response?.status;
    // 402 Payment Required = valid key but no credits → still connected
    if (status === 402) return NextResponse.json({ ok: true });
    return NextResponse.json({ ok: false });
  }
}