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!7

//set flag alwaysSetGlobalIDs. // legacy conversion

set flag NoNanoHTTPD.

concept BEAObject > ConceptWithGlobalID {
  new Ref<UserPost> mirrorPost;

  void change :: after {
    ((GazelleBEA) botMod()).rstUpdateBEAMirrors.add(this);
  }

  void delete :: before {
    cdelete(mirrorPost!);
  }
  
  void updateMirrorPost {
    GazelleBEA mod = cast botMod();
    if (isDeleted() || !mod.mirrorBEAObjects) ret;

    if (!mirrorPost.has())
      cset(this, mirrorPost := cnew UserPost(
        type := "BEA Object",
        creator := mod.internalUser(),
        botInfo := "BEA Mirror Bot"));

    S text = structureString();

    cset(mirrorPost!, 
      title := str(this),
      +text);
  }

  S structureString() {
    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);
              if (cc cast BEAObject)
                append("CRef(gid=" + quote(cc.globalID()) + ")", 6);
              else if (cc != null)
                append("CRef(id=" + cc.id + ")", 6);
              else
                append("CRef", 1);
            };
          }
          ret info;
        }

        void setFields(structure_ClassInfo info, L<Field> fields) {
          if (isSubclassOf(info.c, BEAObject)) {
            // Don't serialize "refs" and "backRefs" fields
            removeAll(fields,
              getField(BEAObject, "refs"),
              getField(BEAObject, "backRefs"));
          }
          super.setFields(info, fields);
        }
      };
      
      S struct = structure(this, data);
      struct = dropLoadableUtilsPackageFromStruct(struct);
      text = indentStructureString_firstLevels(1, struct);
    }

    ret text;
  }
      
  toString {
    S type = strOrNull(cget type(this));
    if (nempty(type)) {
      S s = type + " " + id;
      if (eqic(type, "Match"))
        s += " " + this.~mapping;
      ret s;
    }
    ret super.toString();
  }
}

module GazelleBEA > DynGazelleRocks {
  switchable bool mirrorBEAObjects; // don't do it for now
  
  void init {
    super.init();
    botName = heading = adminName = "Gazelle BEA";
    set enableVars;
    set showTalkToBotLink;
    unset phoneNumberSpecialInputField;
  }

  start {
    set showCRUDToEveryone;

    // mirror all objects to be sure
    rstUpdateBEAMirrors.addAll(list(BEAObject));
  }

  void makeIndices :: after {    
    indexConceptFieldDesc(BEAObject, "_modified");
    indexConceptFieldIC(BEAObject, "type");
    indexConceptField(BEAObject, "input"); // e.g. for counting how many matches we have for a given input
  }
  
  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.humanizeFieldNames = false;
      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;
      crud.unshownFields = litset("mirrorPost");
      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);

        // drop empty strings
        //removeFromMapWhereValue(params, v -> eq(v, ""));
        params = mapValues(params, v -> eq(v, "") ? null : v);
        
        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 ->
            litorderedmap(gid := str(obj.globalID()), struct := obj.structureString())
          ));

        // sleep and try again
        sleep(bot_pollInterval);
      }
    }
    
    ret super.serveBotFunction(req, function, data, user);
  }

  transient ReliableSingleThread_Multi<BEAObject> rstUpdateBEAMirrors = new(100, c -> c.updateMirrorPost());
  
  O serveOtherPage2(Req req) null {
    printVars_str serveOtherPage2(uri := req.uri);
    try object super.serveOtherPage2(req);
    
    S uri = dropTrailingSlashIfNemptyAfterwards(req.uri);
    
    if (eqOneOf(uri, "/inputs", "/inputs-v2"))
      ret renderBEAObjectTable(req, "input");
    
    if (eq(uri, "/patterns"))
      ret renderBEAObjectTable(req, "pattern");

    if (eq(uri, "/matches"))
      ret renderBEAObjectTable(req, "match");

    if (!inMasterMode(req)) null;
    
    if (eq(uri, "/uploadInputs"))
      ret serveUploadTexts(req, "Input");
    
    if (eq(uri, "/uploadPatterns"))
      ret serveUploadTexts(req, "Pattern");
  }
  
  O renderBEAObjectTable(Req req, S type) {
    {
      HCRUD crud = makeCRUD(BEAObject, req);
      crud.disableAllMutationRights();
      crud.baseLink = req.uri();
      ((HCRUD_Concepts) crud.data).ciFilters = litmap(+type);

      makeFramer(req);
      HTMLFramer1 framer = req.framer;
      S baseTitle = framer.title;
      S theTitle = firstToUpper(plural(type));
      crud.makeFrame = (title, contents) -> {
        framer.title = joinNemptiesWithVBar(hTitleClean(theTitle), baseTitle);
        ret h1(title) + contents;
      };
      
      crud.processSortParameter(req.params);
      framer.add(crud.renderPage(req.params));
      ret framer.render();
    }
  }
  
  O serveUploadTexts(Req req, S type) {
    S inputs = req.get("text");
    
    new LS output;
    
    if (nempty(inputs)) {
      for (S text : tlft(inputs)) {
        Pair<BEAObject, Bool> p = uniqCI2_sync BEAObject(+type, +text);
        if (cget uploadedBy(p.a) == null)
          cset(p.a, uploadedBy := req.auth.user);
        output.add(type + " " + (p.b ? "added" : "exists")
          + " (ID " + p.a.id + "): " + text);
      }
    }
    
    ret h2("Upload " + plural(type))
      + hpostform(
          p(plural(type) + " (one per line):")
        + p(htextarea(inputs, name := "text"))
        + pIfNempty(htmlEncode_nlToBR(lines(output)))
        + hsubmit("Upload " + plural(type)));
  }
  
  void reactAllInputsWithSomePatterns() {
    forEach reactInputWithSomePatterns(beaObjectsOfType("input"));
  }

  void reactInputWithSomePatterns(BEAObject input) {
    S text = getString text(input);
    if (empty(text)) ret;
    
    int max = 3, n = countConceptsWhereIC BEAObject(+input, type := "match");
    for (BEAObject pattern : conceptsWhereIC BEAObject(type := "Pattern")) {
      if (n >= max) break;
      if (reactInputWithPattern(input, pattern) != null)
        ++n;
      ++n;
    }
  }
  
  SS matchInputWithPattern(BEAObject input, BEAObject pattern) {
    ret flexMatchAngleBracketVarsIC_first(getString text(pattern), getString text(input));
  }
  
  BEAObject reactInputWithPattern(BEAObject input, BEAObject pattern) {
    SS mapping = matchInputWithPattern(pattern, input);
    if (mapping == null) null;
    ret cnew(BEAObject,
      type := "Match",
      +input,
      +pattern,
      +mapping);
  }
  
  Cl<BEAObject> beaObjectsOfType(S type) {
    ret conceptsWhereCI BEAObject(+type);
  }
} // end of module