import { NextRequest, NextResponse } from "next/server";
import { requireRequestSession } from "@/lib/boss-auth";
import { jsonNoStore } from "@/lib/api-response";
import { setMasterAgentEvolutionMode } from "@/lib/master-agent-evolution";

export const runtime = "nodejs";

export async function GET(request: NextRequest) {
  const session = await requireRequestSession(request);
  if (!session) {
    return jsonNoStore({ ok: false, message: "UNAUTHORIZED" }, { status: 401 });
  }
  return jsonNoStore({ ok: false, message: "METHOD_NOT_ALLOWED" }, { status: 405 });
}

export async function POST(request: NextRequest) {
  const session = await requireRequestSession(request);
  if (!session) {
    return NextResponse.json({ ok: false, message: "UNAUTHORIZED" }, { status: 401 });
  }
  if (session.role !== "highest_admin") {
    return NextResponse.json({ ok: false, message: "FORBIDDEN" }, { status: 403 });
  }

  const rawBody = await request.text().catch(() => "");
  let body: unknown;
  try {
    body = JSON.parse(rawBody);
  } catch {
    return NextResponse.json({ ok: false, message: "INVALID_JSON_PAYLOAD" }, { status: 400 });
  }

  if (!body || typeof body !== "object" || Array.isArray(body)) {
    return NextResponse.json({ ok: false, message: "INVALID_EVOLUTION_CONFIG_PAYLOAD" }, { status: 400 });
  }

  const payload = body as { mode?: unknown };
  if (payload.mode !== "controlled" && payload.mode !== "autonomous") {
    return NextResponse.json({ ok: false, message: "INVALID_EVOLUTION_MODE" }, { status: 400 });
  }

  const config = await setMasterAgentEvolutionMode(payload.mode);
  return NextResponse.json({ ok: true, config });
}