import { requireDriverProfile } from "@/lib/driver";
import { sql } from "@/lib/db";

// POST — driver location heartbeat. Each ping updates lat/lng/last_seen and
// keeps the driver marked online. The client (use-driver-location) fires this
// every few seconds while the driver's online toggle is on; going offline is
// an explicit PATCH to /driver/profile, not the absence of pings.
export async function POST(req: Request) {
  const result = await requireDriverProfile(req);
  if ("error" in result) return result.error;

  try {
    const body = await req.json();
    const { latitude, longitude } = body;

    if (
      typeof latitude !== "number" ||
      typeof longitude !== "number" ||
      Number.isNaN(latitude) ||
      Number.isNaN(longitude)
    ) {
      return Response.json(
        { error: "latitude and longitude must be numbers." },
        { status: 400 },
      );
    }

    const { driverId } = result;
    const rows = await sql`
      UPDATE drivers
      SET latitude = ${latitude},
          longitude = ${longitude},
          last_seen = CURRENT_TIMESTAMP,
          online = TRUE
      WHERE id = ${driverId}
      RETURNING id, latitude, longitude, last_seen, online
    `;

    return Response.json({ data: rows[0] });
  } catch (error) {
    console.error("[DRIVER_LOCATION]: ", error);
    return Response.json({ error: "Internal Server Error" }, { status: 500 });
  }
}