let crypto;

import { readdirSync, readFileSync, writeFileSync } from "fs";
import {dirname, join} from "path";

try {



  crypto = await import('node:crypto');
/**
 * Generate a random alphanumeric string ID of a given requested length using `crypto.getRandomValues()`.
 * @param {number} length    The length of the random string to generate, which must be at most 16384.
 * @returns {string}         A string containing random letters (A-Z, a-z) and numbers (0-9).
 */
function randomID(length=16) {
  const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
  const cutoff = 0x100000000 - (0x100000000 % chars.length);
  const random = new Uint32Array(length);
  do {
    crypto.getRandomValues(random);
  } while ( random.some(x => x >= cutoff) );
  let id = "";
  for ( let i = 0; i < length; i++ ) id += chars[random[i] % chars.length];
  return id;
}


  const DIRECTORY = "./src/packs/_source/zauber";

  readdirSync(DIRECTORY).forEach( file => {

    let originalSource = JSON.parse(readFileSync(join(DIRECTORY, file), {encoding: "utf8"}));
    let id = randomID();
    let targetSource = {
      _id: id,
      _key: "!items!" + id,
      type: "Spell",
      name: originalSource.name,
      system: {...originalSource}
    }
    delete targetSource.system.name
    let target = JSON.stringify(targetSource, null, 2);
    let newFileName = "./" + join(DIRECTORY, targetSource.name.toLowerCase().replace(/[ /]/g, "-").replace(/\--{2,}/g, "-").replace(/[.,!]/g, "") + ".json");
    console.log(newFileName);
    writeFileSync(newFileName, target, { encoding: "utf8" });
  });
} catch (err) {
	console.error(err);
}