import { createInquiry } from "@/lib/api";
import {
  isValidEmailAddress,
  isValidFullName,
  isValidRuPhone,
  normalizeRuPhone,
} from "@/lib/contact-fields";
import { NextResponse } from "next/server";

function asText(value: unknown) {
  return typeof value === "string" ? value.trim() : "";
}

export async function POST(request: Request) {
  const body = (await request.json()) as Record<string, unknown>;
  const name = asText(body.name ?? body.patientName).replace(/\s+/g, " ");
  const email = asText(body.email);
  const phone = normalizeRuPhone(asText(body.phone));
  const branchId = asText(body.branchId);
  const serviceId = asText(body.serviceId) || undefined;
  const doctorId = asText(body.doctorId) || undefined;

  if (!isValidFullName(name) || !isValidEmailAddress(email) || !isValidRuPhone(phone) || !branchId || (!serviceId && !doctorId)) {
    return NextResponse.json({ error: "invalid" }, { status: 400 });
  }

  try {
    const inquiry = await createInquiry({
      name,
      email,
      phone,
      branchId,
      serviceId,
      doctorId,
    });
    return NextResponse.json(inquiry);
  } catch {
    return NextResponse.json({ error: "unavailable" }, { status: 503 });
  }
}