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!7

// cmodule fails because of loadPageWithUserAgent
module GBot > DynDiscordHopper {
  S myName = "GBot";
  int defaultResults = 1;
  Set<S> syntaxes = synchroSet();
  
  @Override S answer(S input, Map map) {
    ret mapEachLine_tlft_nempties(input, s -> {
      new Matches m;
      
      s = simpleSpaces_noTok(s);
      
      if (swic_trim(s, myName + ":", m))
        ret doIt(m.rest());
        
      if (swic_trim(s, myName + " default results:", m)) {
        setField(defaultResults := parseInt(m.rest());
        ret "OK, returning " + nResults(defaultResults) + " from now on";
      }
        
      if (eqic(s, myName + " default results"))
        ret "I'm returning " + nResults(defaultResults) + " by default";
      
      if (eqic(s, myName + " syntaxes"))
        ret backtickQuote(lines_rtrim(elementPlusList(myName + ": ...", syntaxes)));
        
      if (swic_trim(s, myName + " new syntax:", m)) {
        S syntax = unquote(m.rest());
        if (!endsWithEllipsis(syntax))
          ret "Shouldn't this end with \"...\"? >> " + syntax;
        syntax = trim(dropSuffix("...", syntax)) + " ...";
        if (!syntaxes.add(syntax)) ret "I already know that syntax!";
        change();
        ret "Syntax added! You can try: " + backtickQuote(replaceSuffix("...", randomThingToGoogle(), syntax));
      }
      
      if (swic_trim(s, myName + " drop syntax:", m)) {
        if (!syntaxes.remove(syntax)) ret "Syntax not found";
        change();
        ret "Syntax removed!";
      }
      
      if (ellipsisToDotPlusRegexpIC_matchAny(syntaxes, s, m))
        ret doIt(m.rest());
      
      null;
    });
  }
  
  S doIt(S query) {
    LS l = regexpICFullMatch_groups("(\\d+) results? for[ :](.+)", query);
    int results = defaultResults;
    if (l != null) {
      results = parseInt(first(l));
      query = unquote(trim(last(l)));
    }
    ret discord_google(query, +results);
  }
  
  S randomThingToGoogle() {
    ret "Why are penguins black and white?";
  }
}