!752

static int port = 7654;

concepts.

concept Definition {
  S name;   // what is defined
  S text;   // definition text
  O source; // where definition comes from (optional)
  O caveat; // an optional restriction of the definition, like "maybe" or "allegedly" or "rarely" or smth.
  
  *() {}
  *(S *name, S *text) { change(); }
}

p {
  useProgramDirOf("#1005059");
  concepts();
  serveHttp(port);
  makeBot("Wiki.");
  print("Go to http://localhost:\*port*/ to browse Wiki.\nType here to edit. Commands: def \"the topic\" \"the text\". undef \"the topic\".");
}

synchronized answer {
  if "def * *" {
    S name = $1, text = $2;
    new Definition(name, text);
    int count = countConcepts(Definition, +name);
    ret "Definition saved! Now have " + n(count, "definition") + " for " + quote(name) + ".";
  }
  
  if "undef *" {
    S x = $1;
    if (isInteger(x))
      ret deleteConcept(parseLong(x)) != null ? "Deleted" : "Nothing to delete";
    else
      ret nempty(deleteConcepts(Definition, name := x)) ? "Deleted" : "Nothing to delete";
  }
}

synchronized html {
  uri = dropPrefix("/", uri);
  
  // serve definition
  
  if (startsWith(uri, "!")) {
    S name = substring(uri, 1);
    L<Definition> l = findConceptsWhere(Definition, +name);
    if (empty(l))
      ret fixHTML("No definition found for " + quote(htmlencode(name)));
    else
      ret fixHTML(
          htitle("Wiki: " + htmlencode(name))
        + h1(htmlencode(name))
        + ul(map(l, func(Definition d) { spanTitle("#" + d.id, htmlencode(d.text)) })));
  }
  
  // process action
  
  if (eq(uri, "add")) {
    printStruct(params);
    S name = params.get("word").trim();
    S text = params.get("definition").trim();
    new Definition(name, text);
    ret hrefresh("/");
  }
  
  // serve home page

  final MultiSet<S> ms = collectMultiSet(list(Definition.class), "name");
  L<S> names = sorted(ms.keySet());
  ret fixHTML(
      htitle_h1("A. I. Wiki!")
    + p("Yo I got definitions for:")
    + ul(map(names, func(S name) {
        int count = ms.get(name);
        //S xinfo = bracketedCount(count);
        Definition example = findConceptWhere(Definition, +name);
        S xinfo = " - " + htmlencode(example.text);
        if (count > 1) xinfo += " +\*count-1*/";
        ret ahref("/!" + urlencode(name), htmlencode(name)) + xinfo;
      }))
    + h3("Add definition")
    + hform(
        htableRaw(ll(
          ll("Word", htextinput("word")),
          ll("Definition", htextinput("definition", style := "width: 500px")),
          ll("", hsubmit())
        ))
      , action := "/add", method := "POST")
  );
}