import { NextResponse } from "next/server";
import { z } from "zod";
import { listSessions, startSession } from "@/lib/db/queries/sessions";
import { withRouteLogging } from "@/lib/api/with-route-logging";

const deviceInputSchema = z.object({
  slotLabel: z.string().min(1),
  bleName: z.string().min(1),
  deviceClass: z.string().nullish(),
  capabilities: z.object({ outputs: z.array(z.string()), featureCount: z.number() }).optional(),
});

const bodySchema = z.object({
  name: z.string().min(1).optional(),
  devices: z.array(deviceInputSchema).min(1),
});

export const GET = withRouteLogging("sessions.list", async () => {
  const rows = await listSessions();
  return NextResponse.json({ sessions: rows });
});

export const POST = withRouteLogging("sessions.start", async (req: Request) => {
  const parsed = bodySchema.safeParse(await req.json().catch(() => null));
  if (!parsed.success) {
    return NextResponse.json({ error: parsed.error.message }, { status: 400 });
  }
  const result = await startSession(parsed.data);
  return NextResponse.json(result, { status: 201 });
});