import * as Sentry from "@sentry/nextjs";
import { NextResponse } from "next/server";
import { requireClient, unauthorizedJson, UnauthorizedError } from "@/lib/nextcloud-session";
import { normalizePath } from "@/lib/paths";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";

function json<T>(data: T, init?: { status?: number } & ResponseInit) {
  return NextResponse.json(data, init);
}

export async function POST(req: Request) {
  try {
    const body = (await req.json().catch(() => ({}))) as {
      from?: string;
      to?: string;
    };

    if (!body?.from || !body?.to) {
      return json({ error: "from and to are required" }, { status: 400 });
    }

    const from = normalizePath(body.from);
    const to = normalizePath(body.to);

    let client;
    try {
      client = await requireClient(req);
    } catch (err) {
      if (err instanceof UnauthorizedError) return unauthorizedJson();
      throw err;
    }

    const result = await Sentry.startSpan(
      { op: "function", name: "api.files.copy" },
      async (span) => {
        span.setAttribute("path_from", from);
        span.setAttribute("path_to", to);
        const res = await client.copyFile(from, to);
        return res;
      },
    );

    return json(result);
  } catch (error: unknown) {
    Sentry.captureException(error);
    const message = error instanceof Error ? error.message : String(error);
    const status = /409|conflict/i.test(message)
      ? 409
      : /423|locked/i.test(message)
      ? 423
      : 500;
    return json({ error: "Failed to copy file", message }, { status });
  }
}