import { NextResponse } from "next/server";
import { renameChannelFromForm } from "../../../channels/actions";
import { opsFail, ops, reqSlug } from "../_lib";

export const dynamic = "force-dynamic";

// POST { slug: string, newSlug: string }
//
// The channel page's Danger → Rename, over HTTP. The form makes the operator
// type the current slug to confirm; here the body naming `slug` IS that
// confirmation, so it is passed through as the typed value and the action
// applies every other rule unchanged — a busy channel (a running job, a lane
// unit writing into data/, media in transition), a taken or invalid new slug.
//
// Answers { ok, slug: <new slug>, warnings }. A warning is a non-fatal
// metadata-migration problem after the directory moved: the form can only log
// it, and this can say it.
export async function POST(request: Request) {
  return ops(request, ["slug", "newSlug"], async (body) => {
    const slug = reqSlug(body, "slug");
    const newSlug = reqSlug(body, "newSlug");
    const fd = new FormData();
    fd.set("confirmSlug", slug);
    fd.set("newSlug", newSlug);
    const result = await renameChannelFromForm(slug, fd);
    if (!result.ok) return opsFail(result.error);
    return NextResponse.json({
      ok: true,
      slug: result.slug,
      from: slug,
      warnings: result.warnings,
    });
  });
}