import { NextResponse } from "next/server";
import { errorResponse, requireReady } from "../_lib";
import { createModel, listModels, rejectWorkspaceForgery } from "@/server/spreadsheet-adapter/service";

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

export async function GET() {
  try {
    const { ctx, deps } = await requireReady();
    return NextResponse.json({ models: await listModels(deps, ctx) });
  } catch (error) {
    return errorResponse(error);
  }
}

export async function POST(request: Request) {
  try {
    const { ctx, deps } = await requireReady();
    const form = await request.formData();
    await rejectWorkspaceForgery(deps, ctx, form.get("workspace_id"));
    const file = form.get("file");
    if (!(file instanceof File)) return errorResponse(new Error("arquivo"));
    const requiredRaw = form.get("requiredColumns");
    const model = await createModel(deps, ctx, {
      name: String(form.get("name") ?? ""),
      filename: file.name,
      bytes: Buffer.from(await file.arrayBuffer()),
      sheet: form.get("sheet") ? String(form.get("sheet")) : null,
      headerRow: Number(form.get("headerRow") ?? 1),
      requiredColumns: requiredRaw ? (JSON.parse(String(requiredRaw)) as string[]) : undefined,
    });
    return NextResponse.json({ model }, { status: 201 });
  } catch (error) {
    if (error instanceof Error && error.message === "arquivo") {
      return NextResponse.json({ error: { code: "EMPTY_FILE", message: "Selecione um arquivo." } }, { status: 400 });
    }
    return errorResponse(error);
  }
}