/* source-validator.v1.js
   Centralizes logic for deciding if a "Source" string should link to WOL.
   Exposes:
     - SourceValidator.isWOLSource(text) -> boolean
     - SourceValidator.buildWOLSearchURL(text) -> string
*/
window.SourceValidator = (function () {
  // Publications / codes that produce valid WOL links (from your template list)
  const PUB_CODES = [
    "wp","ws","yb","mwb","w","g","ap","apf","be","bh","br","bt","btg","cf","cl","ct","dp",
    "fg","fy","gt","hb","im","ip","it","jv","ka","kj","kl","lf","lff","ll","ly","my","od",
    "pe","po","pt","rr","rs","sg","sh","si","td","tp","tr","ts","un","jy"
  ];

  function normalize(s) { return (s || "").trim().toLowerCase(); }

  function isWOLSource(text) {
    const t = normalize(text);
    if (!t) return false;
    // Keep this simple: if the string starts with any known code, treat it as WOL-capable.
    return PUB_CODES.some(code => t.startsWith(code));
  }

  function buildWOLSearchURL(text) {
    const q = encodeURIComponent(text || "");
    // Same search endpoint you’re already using
    return `https://wol.jw.org/en/wol/l/r1/lp-e?q=${q}`;
  }

  return { isWOLSource, buildWOLSearchURL };
})();