// Edits balance.json from the command line and keeps its compact layout.
//   node tools/bal-edit.mjs path=value [path=value ...]      e.g. gain=2.8 debt.premiumCoef=0.0008
import fs from "node:fs";
import { format } from "./cardfmt.mjs";

const p = new URL("../web/data/balance.json", import.meta.url);
const j = JSON.parse(fs.readFileSync(p, "utf8"));
for (const a of process.argv.slice(2)) {
  const [path, val] = a.split("=");
  const keys = path.split(".");
  let o = j;
  for (const k of keys.slice(0, -1)) o = o[k] ??= {};
  o[keys.at(-1)] = JSON.parse(val);
}
fs.writeFileSync(p, `${format(j)}\n`);