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!7

!include early #1030701 // new structure function

set flag NoNanoHTTPD.

concept BEAObject {
  new Ref<UserPost> mirrorPost;

  void change :: after {
    ((GazelleBEA) botMod()).rstUpdateBEAMirrors.add(this);
  }

  void delete :: before {
    cdelete(mirrorPost!);
  }
  
  void updateMirrorPost {
    if (isDeleted()) ret;

    if (!mirrorPost.has())
      cset(this, mirrorPost := cnew UserPost(
        type := "BEA Object",
        creator := ((DynGazelleRocks) botMod()).internalUser(),
        botInfo := "BEA Mirror Bot"));

    S text = "Error";
    pcall {
      structure_Data data = new {
        structure_ClassInfo newClass(Class c) {
          structure_ClassInfo info = super.newClass(c);
          if (c == Concept.Ref.class) {
            info.special = true;
            info.serializeObject = o -> {
              Concept cc = cast deref((Concept.Ref) o);
              append("cu CRef " + (cc != null ? str(cc.id) : "null"), 3);
            };
          }
          ret info;          
        }

        void setFields(structure_ClassInfo info, L<Field> fields) {
          if (isSubclassOf(info.c, BEAObject)) {
            // Don't serialize "refs" field
            Field f = getField(BEAObject, "refs");
            remove(fields, f);
            print("Removing " + f + " from " + info.c + ", fields left: " + fields);
          }
          super.setFields(info, fields);
        }
      };
      
      S struct = structure(this, data);
      text = indentStructureString(struct);
    }
        
    cset(mirrorPost!, 
      title := str(this),
      +text);
  }
}

module GazelleBEA > DynGazelleRocks {
  void init {
    super.init();
    botName = heading = adminName = "Gazelle BEA";
    set enableVars;
    set showTalkToBotLink;
    unset phoneNumberSpecialInputField;
  }

  start {
    // mirror all objects to be sure
    rstUpdateBEAMirrors.addAll(list(BEAObject));
  }
  
  L<Class> crudClasses(Req req) {
    ret listPlus(super.crudClasses(req), BEAObject);
  }
  
  S authFormHeading() {
    ret h3("Gazelle BEA");
  }
  
  void makeFramer(Req req) {
    super.makeFramer(req);
      req.framer.renderTitle = () -> h1(ahref(baseLink + "/", "Gazelle BEA")
      + " " + htmlEncode2(req.framer.title));
  }

  <A extends Concept> HCRUD_Concepts<A> crudData(Class<A> c, Req req) {
    HCRUD_Concepts<A> cc = super.crudData(c, req);
    
    if (c == BEAObject) {
      cc.convertConceptValuesToRefs = true;
      cc.itemName = () -> "BEA Object";
      
      cc.getObjectForDuplication = id -> {
        MapSO item = cc.getObjectForDuplication_base(id);
        item.put(creator := req.auth.user!); // set default creator to current user
        item.put(createdFrom := getConcept(toLong(id)));
        ret item;
      };
    }

    ret cc;
  }

  <A extends Concept> HCRUD makeCRUD(Class<A> c, Req req, HTMLFramer1 framer) {
    HCRUD crud = super.makeCRUD(c, req, framer);

    if (c == BEAObject) {
      crud.cellColumnToolTips = true;
      HCRUD_Concepts cc = cast crud.data;
      crud.massageFormMatrix = (map, matrix) -> {
        S refSelector =
          crud.renderInput("newField_conceptValue",
            cc.makeConceptsComboBox("newField_conceptValue", BEAObject), null)
          + hjs([[$("[name=newField_conceptValue]").hide()]]);
            
        /*S refSelector =
          hselect_list(name := "newField_conceptValue",
            onchange := [[function() {
              var value = this.value;
              $("[name=newField_value]").toggle(value == "String");
              $("[name=newField_conceptValue]").toggle(value == "BEAObject");
            }]]);*/
            
        LS types = ll("String", "BEAObject");
            
        //S typeSelector = crud.renderComboBox("newField_type", "String", types, false);
        
        S typeSelector = hselect_list(types, name := "newField_type",
            onchange := [[
              var value = this.value;
              $("[name=newField_value]").toggle(value == "String");
              $("#newField_refBox").toggle(value == "BEAObject");
            ]]);
        
        matrix.add(ll("Add field", htmlTable2_noHtmlEncode(ll(
          ll("Name", htextfield newField_name(),
          "Value",
            // string input
            htextfield newField_value(),

            span(refSelector, id := "newField_refBox", display := "none"),
          "Type", typeSelector
          )),
          noHeader := true)));
      };
      
      crud.preprocessUpdateParams = params -> {
        params = cloneMap(params);
        S name = params.get("newField_name"),
          type = params.get("newField_type"),
          refValue = params.get("newField_conceptValue"),
          value = params.get("newField_value");

        if (eq(type, "BEAObject")) {
          value = refValue;
          params.put("metaInfo_" + name, "concept");
        }
        
        if (eq(value, "")) value = null;
          
        if (nempty(name) /*&& neqOneOf(value, null, "")*/)
          params.put(crud.fieldPrefix + name, value);
        ret params;
      };
    }
    
    ret crud;
  }
  
  O serveBotFunction(Req req, S function, Map data, User user) {
    if (eq(function, "beaList")) {
      long changedAfter = toLong(data.get("changedAfter"));
      double pollFor = min(bot_maxPollSeconds, toLong(data.get("pollFor"))); // how long to poll (seconds)
      long startTime = sysNow();

      // We're super-anal about catching all changes. This will probably never trigger
      if (changedAfter > 0 && changedAfter == now()) sleep(1);
      
      Cl<BEAObject> objects;
      while true {
        objects = changedAfter == 0 ? list(BEAObject)
          : conceptsWithFieldGreaterThan_sorted(BEAObject, _modified := changedAfter);

        // return when there are results, no polling or poll expired
        if (nempty(objects) || pollFor == 0 || elapsedSeconds_sysNow(startTime) >= pollFor)
          ret serveJSON_breakAtLevels(2, result := map(objects, obj ->
            litmap(id := obj.id) // TODO
          ));

        // sleep and try again
        sleep(bot_pollInterval);
      }
    }
    
    ret super.serveBotFunction(req, function, data, user);
  }

  transient ReliableSingleThread_Multi<BEAObject> rstUpdateBEAMirrors = new(100, c -> c.updateMirrorPost());

} // end of module