import { mkdir, writeFile } from "node:fs/promises";
import path from "node:path";
import { fileURLToPath } from "node:url";
import type { RawProduct } from "./llm/types.js";

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const DATA_DIR = path.resolve(__dirname, "../data/raw");

function slugifyPath(text: string): string {
  return text
    .toLowerCase()
    .replace(/[^a-zа-яё0-9]+/gi, "-")
    .replace(/^-+|-+$/g, "")
    .replace(/-+/g, "-");
}

export async function dumpCategory(
  categoryName: string,
  products: RawProduct[],
): Promise<string> {
  await mkdir(DATA_DIR, { recursive: true });

  const filename = `${slugifyPath(categoryName)}.json`;
  const filepath = path.join(DATA_DIR, filename);

  await writeFile(filepath, JSON.stringify(products, null, 2), "utf-8");
  console.log(`  Wrote ${products.length} products → ${filepath}`);
  return filepath;
}