import fs from "node:fs/promises";
import path from "node:path";
import process from "node:process";
import { anonymize1cXml, decodeXmlBuffer } from "../src/utils/anonymize1cXml.js";

const printUsage = () => {
  process.stdout.write("Usage: node scripts/anonymize-1c-xml.mjs <input.xml> [output.xml]\n");
};

const buildDefaultOutputPath = (inputPath) => {
  const parsed = path.parse(inputPath);
  return path.join(parsed.dir, `${parsed.name}.anonymized${parsed.ext || ".xml"}`);
};

const main = async () => {
  const [, , inputPathArg, outputPathArg] = process.argv;

  if (!inputPathArg) {
    printUsage();
    process.exitCode = 1;
    return;
  }

  const inputPath = path.resolve(process.cwd(), inputPathArg);
  const outputPath = path.resolve(process.cwd(), outputPathArg || buildDefaultOutputPath(inputPath));

  if (inputPath === outputPath) {
    throw new Error("Output path must be different from input path.");
  }

  const sourceXml = decodeXmlBuffer(await fs.readFile(inputPath));
  const anonymizedXml = anonymize1cXml(sourceXml);

  await fs.writeFile(outputPath, anonymizedXml, "utf8");

  process.stdout.write(`Anonymized XML saved to ${outputPath}\n`);
};

main().catch((error) => {
  process.stderr.write(`${error instanceof Error ? error.message : String(error)}\n`);
  process.exitCode = 1;
});