import { tryParseJson } from "./tryParseJson.js";
import { Json } from "./types/index.js";

/** Tries to find JSON in strings in JSON. If it does, parses that JSON and replaces the string with the parsed JSON. */
export const unwrapJson = (json: Json): Json => {
  if (json === null) {
    return null;
  }
  if (json === undefined) {
    return null;
  }

  if (typeof json === "boolean") {
    return json;
  }

  if (typeof json === "object" && !Array.isArray(json)) {
    const result = Object.keys(json).map((key) => {
      const value = json[key];
      return { [key]: unwrapJson(value) };
    });
    return result;
  }
  if (typeof json === "object" && Array.isArray(json)) {
    return json.map((item) => unwrapJson(item));
  }

  if (typeof json === "string") {
    // THE MAGIC
    const parsed = tryParseJson<Json>(json);
    return parsed || json;
  }
  //number is left
  return json;
};