import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { connectDB } from "@/lib/db";
import { Client } from "@/models/Client";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession, hasPermission } from "@/lib/adminAuth";
import { adminCreateOrderForClientAction } from "@/lib/actions/admin";
import { corsHeaders, corsPreflight } from "@/lib/teamApiCors";

export async function OPTIONS(request: NextRequest) {
  return corsPreflight(request);
}

export async function GET(request: NextRequest) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession()) || !(await hasPermission("orders_create"))) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  await connectDB();
  const clients = await Client.find({ role: "client" }).select("name email birthDate").sort({ name: 1 }).lean();
  return NextResponse.json(
    {
      clients: clients.map((c) => ({
        id: String(c._id),
        name: c.name,
        email: c.email,
        birthDate: c.birthDate ? new Date(c.birthDate).toISOString() : null,
      })),
    },
    { headers }
  );
}

export async function POST(request: NextRequest) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession())) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  const body = await request.json().catch(() => null);
  const formData = new FormData();
  formData.set("clientId", typeof body?.clientId === "string" ? body.clientId : "");
  formData.set("shootingType", typeof body?.shootingType === "string" ? body.shootingType : "");
  formData.set("characterOrConcept", typeof body?.characterOrConcept === "string" ? body.characterOrConcept : "");
  formData.set("eventLocation", typeof body?.eventLocation === "string" ? body.eventLocation : "");
  formData.set("datePeriod", typeof body?.datePeriod === "string" ? body.datePeriod : "");
  formData.set("instagramHandle", typeof body?.instagramHandle === "string" ? body.instagramHandle : "");
  formData.set("discordHandle", typeof body?.discordHandle === "string" ? body.discordHandle : "");
  formData.set("ideaMood", typeof body?.ideaMood === "string" ? body.ideaMood : "");
  formData.set("additionalNotes", typeof body?.additionalNotes === "string" ? body.additionalNotes : "");

  const result = await adminCreateOrderForClientAction({}, formData);
  if (result.error) return NextResponse.json({ error: result.error }, { status: 400, headers });
  return NextResponse.json({ ok: true, orderId: result.orderId }, { headers });
}