!7

beaConcept BInput {
  S text;
  
  toString { ret "[\*id*/] Input " + quote(text); }
}

beaConcept BOutput {
  S text;
  
  toString { ret "[\*id*/] Output " + quote(text); }
}

beaConcept BPattern {
  S text;
  
  toString { ret "[\*id*/] " + shortDynName(this) + " " + quote(text); }
  
  void reactWith(BInput input) {}
  
  @Override Map<S, FieldMigration> _fieldMigrations() {
    ret litmap(pattern := new FieldMigration("text"));
  }
}

beaConcept BStarPattern > BPattern {
  void reactWith(BInput input) {
    LS mapping = matchesToStringList(flexMatchIC_first(text, input.text));
    if (mapping == null) ret;
    uniqPeer BEAObject(this,
      type := "match",
      +input,
      pattern := this,
      +mapping);
  }
}

beaConcept BAngleVarPattern > BPattern {
  void reactWith(BInput input) {
    SS mapping = flexMatchAngleBracketVarsIC_first(text, input.text);
    if (mapping == null) ret;
    uniqPeer BEAObject(this,
      type := "match",
      +input,
      pattern := this,
      +mapping);
  }
}

beaConcept BMatch {
  new Ref<BPattern> pattern;
  SS mapping;
}

beaConcept BMatchToScenario {
  void reactWith(BMatch match) {
    uniqPeer(BEAObject, this,
      /*fromReaction_1 := this,
      fromReaction_2 := match,*/
      fromReaction := ll(this, match),
      type := "scenario",
      text := mapToLines(match.mapping,
          (a, b) -> b + " is a " + a));
  }
}

beaConcept BScenarioToOutput {
  bool canReactWith(BEAObject o) {
    ret o.typeIs("scenario");
  }
  
  void reactWith(BEAObject scenario) {
    uniqPeer(BOutput, this,
      fromReaction := ll(this, scenario),
      type := "Output",
      text := getString text(scenario));
  }
}

cmodule2 > DynCRUD_v2<BEAObject> {
  S input, output;
  
  transient new BEAUtils beaUtils;

  start {
    crud.humanizeFieldNames = false;
    crud.showBackRefs = true;
    crud.specialFieldsForItem = a -> {
      MapSO map = litorderedmap(crud.hID, str(a.id));
      S j = crud.javaClassDescForItem(a);
      mapPut(map, "Class/Type", joinUniqueNemptiesCI("/", j, a.type()));
      ret map;
    };

    thread {
      uniq BMatchToScenario();
      uniq BScenarioToOutput();
      uniq BInput(text := "UBports community delivers 'second-largest release of Ubuntu Touch ever'");
      //uniq BPattern(text := "* delivers *");
      uniq BAngleVarPattern(text := "<company> delivers <product>");
    }
  }
  
  visualize {
    JComponent c = jvsplit(jhsplit(dm_wordWrapTextAreaAsSection input(),
      dm_wordWrapTextAreaAsSection output()),
      super.visualize());

    tablePopupMenuFirst(table(), (menu, row) -> {
      BEAObject o = getItem(row);
      print("Item: " + o);
      if (o == null) ret;
      
      Class<? extends BEAObject> targetClass = beaUtils.defaultCustomClass(o);
      print(+targetClass);
      if (targetClass != null && targetClass != _getClass(o)) pcall-short {
        beaUtils.migrateConceptToClass(targetClass, o);
        addMenuItem(menu, "Convert to " + shortName(targetClass), r {
          replaceConceptAndUpdateRefs(o, beaUtils.migrateConceptToClass(targetClass, o));
        });
      }
      
      pcall {
        L<BEAObject> partners = filter(list(BEAObject),
          partner -> o.canReactWith(partner));
        if (nempty(partners))
          addScrollingSubMenu(menu, "React with", menu2 -> {
            for (BEAObject p : partners)
              addMenuItem(menu2, str(p), rThread {
                call(o, 'reactWith, p);
              });
          });
      }
    });
    
    ret c;
  }
}