package jetbrains.mps.make.facet.constraints;

/*Generated by MPS */

import jetbrains.mps.lang.scopes.runtime.SimpleScope;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SModule;
import jetbrains.mps.module.ReloadableModule;
import jetbrains.mps.project.Solution;
import jetbrains.mps.project.structure.modules.SolutionKind;
import java.util.Set;
import jetbrains.mps.internal.collections.runtime.SetSequence;
import java.util.HashSet;
import jetbrains.mps.internal.collections.runtime.CollectionSequence;
import jetbrains.mps.project.dependency.GlobalModuleDependenciesManager;
import org.jetbrains.mps.openapi.model.SModel;
import jetbrains.mps.internal.collections.runtime.ITranslator2;
import jetbrains.mps.internal.collections.runtime.Sequence;
import jetbrains.mps.internal.collections.runtime.IWhereFilter;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations;
import jetbrains.mps.smodel.adapter.structure.MetaAdapterFactory;
import jetbrains.mps.internal.collections.runtime.ISelector;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.NotNull;
import jetbrains.mps.lang.core.behavior.INamedConcept__BehaviorDescriptor;

public class FacetsScope extends SimpleScope {
  public FacetsScope(SNode contextNode) {
    super(getAvailableFacets(contextNode));
  }


  /**
   * TODO reorganize facets in the project: we must not look at SolutionKind here
   * probably it makes sense to declare all facets only in languages
   */
  private static boolean hackCondition(SModule module) {
    if (module instanceof ReloadableModule) {
      if (!((module instanceof Solution))) {
        return true;
      }
      return ((Solution) module).getKind() != SolutionKind.NONE;
    }
    return false;
  }

  public static Iterable<SNode> getAvailableFacets(SNode contextNode) {
    SModule contextModule = contextNode.getModel().getModule();

    Set<SModule> contextModules = SetSequence.fromSet(new HashSet<SModule>());
    for (SModule module : CollectionSequence.fromCollection(new GlobalModuleDependenciesManager(contextModule).getModules(GlobalModuleDependenciesManager.Deptype.VISIBLE))) {
      if (hackCondition(module)) {
        SetSequence.fromSet(contextModules).addElement(module);
      }
    }
    SetSequence.fromSet(contextModules).addElement(contextModule);

    // collect models 
    Iterable<SModel> models = SetSequence.fromSet(contextModules).translate(new ITranslator2<SModule, SModel>() {
      public Iterable<SModel> translate(SModule it) {
        return it.getModels();
      }
    });

    // collect facets 
    Iterable<SNode> facets = Sequence.fromIterable(models).where(new IWhereFilter<SModel>() {
      public boolean accept(SModel it) {
        return it != null;
      }
    }).translate(new ITranslator2<SModel, SNode>() {
      public Iterable<SNode> translate(SModel it) {
        return (Iterable<SNode>) it.getRootNodes();
      }
    }).where(new IWhereFilter<SNode>() {
      public boolean accept(SNode it) {
        return SNodeOperations.isInstanceOf(it, MetaAdapterFactory.getConcept(0x696c11654a59463bL, 0xbc5d902caab85dd0L, 0x5912a2ab1cd24c13L, "jetbrains.mps.make.facet.structure.FacetDeclaration"));
      }
    }).select(new ISelector<SNode, SNode>() {
      public SNode select(SNode it) {
        return SNodeOperations.cast(it, MetaAdapterFactory.getConcept(0x696c11654a59463bL, 0xbc5d902caab85dd0L, 0x5912a2ab1cd24c13L, "jetbrains.mps.make.facet.structure.FacetDeclaration"));
      }
    });

    return facets;
  }

  @Nullable
  @Override
  public String getReferenceText(@NotNull SNode target) {
    return (String) INamedConcept__BehaviorDescriptor.getFqName_idhEwIO9y.invoke(SNodeOperations.cast(target, MetaAdapterFactory.getConcept(0xc72da2b97cce4447L, 0x8389f407dc1158b7L, 0x1103553c5ffL, "jetbrains.mps.lang.structure.structure.AbstractConceptDeclaration")));
  }
}