/*
 * Copyright 2000-2016 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jetbrains.plugins.groovy.lang.psi.impl.synthetic;

import com.intellij.openapi.util.Pair;
import com.intellij.psi.*;
import com.intellij.psi.impl.InheritanceImplUtil;
import com.intellij.psi.impl.PsiClassImplUtil;
import com.intellij.psi.impl.PsiSuperMethodImplUtil;
import com.intellij.psi.impl.light.LightElement;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocComment;
import org.jetbrains.plugins.groovy.lang.psi.GroovyElementVisitor;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrClassInitializer;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrExtendsClause;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrImplementsClause;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinition;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinitionBody;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMembersDeclaration;
import org.jetbrains.plugins.groovy.lang.psi.api.types.GrTypeParameter;
import org.jetbrains.plugins.groovy.lang.psi.impl.auxiliary.GrLightIdentifier;
import org.jetbrains.plugins.groovy.lang.psi.util.GrClassImplUtil;

import java.util.Collection;
import java.util.List;

public abstract class GrLightTypeDefinitionBase extends LightElement implements GrTypeDefinition {

  private final @NotNull GrLightModifierList myModifierList;
  private final @NotNull GrLightTypeParameterList myTypeParameterList;

  private @Nullable PsiClass myContainingClass;

  protected GrLightTypeDefinitionBase(@NotNull PsiElement context) {
    super(context.getManager(), context.getLanguage());
    myModifierList = new GrLightModifierList(this);
    myTypeParameterList = new GrLightTypeParameterList(context);
  }

  @NotNull
  @Override
  public PsiElement getNameIdentifierGroovy() {
    return new GrLightIdentifier(getManager(), getName());
  }

  @Nullable
  @Override
  public GrDocComment getDocComment() {
    return null;
  }

  @Override
  public void accept(GroovyElementVisitor visitor) {
  }

  @Override
  public void acceptChildren(GroovyElementVisitor visitor) {
  }

  @Override
  public boolean hasTypeParameters() {
    return getTypeParameters().length != 0;
  }

  @NotNull
  @Override
  public GrLightModifierList getModifierList() {
    return myModifierList;
  }

  @Override
  public boolean isDeprecated() {
    return false;
  }

  @Override
  public boolean hasModifierProperty(@PsiModifier.ModifierConstant @NonNls @NotNull String name) {
    return getModifierList().hasModifierProperty(name);
  }

  @NotNull
  @Override
  public GrTypeParameter[] getTypeParameters() {
    return getTypeParameterList().getTypeParameters();
  }

  @Override
  public boolean isInterface() {
    return false;
  }

  @Override
  public boolean isAnnotationType() {
    return false;
  }

  @Override
  public boolean isEnum() {
    return false;
  }

  @NotNull
  @Override
  public PsiClass[] getSupers(boolean includeSynthetic) {
    return GrClassImplUtil.getSupers(this, includeSynthetic);
  }

  @Nullable
  @Override
  public PsiReferenceList getExtendsList() {
    return null;
  }

  @NotNull
  @Override
  public PsiClassType[] getSuperTypes(boolean includeSynthetic) {
    return GrClassImplUtil.getSuperTypes(this, includeSynthetic);
  }

  @Nullable
  @Override
  public PsiReferenceList getImplementsList() {
    return null;
  }

  @Override
  public boolean isTrait() {
    return false;
  }

  @Nullable
  @Override
  public GrTypeDefinitionBody getBody() {
    return null;
  }

  @Override
  public String toString() {
    return "Light Groovy type definition: " + getName();
  }

  @NotNull
  @Override
  public GrClassInitializer[] getInitializers() {
    return GrClassInitializer.EMPTY_ARRAY;
  }

  @NotNull
  @Override
  public GrMembersDeclaration[] getMemberDeclarations() {
    return GrMembersDeclaration.EMPTY_ARRAY;
  }

  @Nullable
  @Override
  public String getQualifiedName() {
    return null;
  }

  @Nullable
  @Override
  public GrExtendsClause getExtendsClause() {
    return null;
  }

  @Nullable
  @Override
  public GrImplementsClause getImplementsClause() {
    return null;
  }

  @Nullable
  @Override
  public PsiField findCodeFieldByName(String name, boolean checkBases) {
    return GrClassImplUtil.findFieldByName(this, name, checkBases, false);
  }

  @NotNull
  @Override
  public PsiMethod[] findCodeMethodsByName(@NonNls String name, boolean checkBases) {
    return GrClassImplUtil.findCodeMethodsByName(this, name, checkBases);
  }

  @NotNull
  @Override
  public PsiMethod[] findCodeMethodsBySignature(PsiMethod patternMethod, boolean checkBases) {
    return GrClassImplUtil.findCodeMethodsBySignature(this, patternMethod, checkBases);
  }

  @Nullable
  @Override
  public PsiClass getSuperClass() {
    return GrClassImplUtil.getSuperClass(this);
  }

  @Override
  public boolean isAnonymous() {
    return false;
  }

  @NotNull
  @Override
  public GrLightTypeParameterList getTypeParameterList() {
    return myTypeParameterList;
  }

  @NotNull
  @Override
  public PsiClass[] getInterfaces() {
    return GrClassImplUtil.getInterfaces(this);
  }

  @NotNull
  @Override
  public PsiField[] getAllFields() {
    return GrClassImplUtil.getAllFields(this);
  }

  @NotNull
  @Override
  public PsiMethod[] getAllMethods() {
    return GrClassImplUtil.getAllMethods(this);
  }

  @NotNull
  @Override
  public PsiClass[] getAllInnerClasses() {
    return PsiClassImplUtil.getAllInnerClasses(this);
  }

  @Nullable
  @Override
  public PsiField findFieldByName(@NonNls String name, boolean checkBases) {
    return GrClassImplUtil.findFieldByName(this, name, checkBases, true);
  }

  @Nullable
  @Override
  public PsiMethod findMethodBySignature(PsiMethod patternMethod, boolean checkBases) {
    return GrClassImplUtil.findMethodBySignature(this, patternMethod, checkBases);
  }

  @NotNull
  @Override
  public PsiMethod[] findMethodsBySignature(PsiMethod patternMethod, boolean checkBases) {
    return GrClassImplUtil.findMethodsBySignature(this, patternMethod, checkBases);
  }

  @NotNull
  @Override
  public PsiMethod[] findMethodsByName(@NonNls String name, boolean checkBases) {
    return GrClassImplUtil.findMethodsByName(this, name, checkBases);
  }

  @NotNull
  @Override
  public List<Pair<PsiMethod, PsiSubstitutor>> findMethodsAndTheirSubstitutorsByName(@NonNls String name, boolean checkBases) {
    return GrClassImplUtil.findMethodsAndTheirSubstitutorsByName(this, name, checkBases);
  }

  @NotNull
  @Override
  public List<Pair<PsiMethod, PsiSubstitutor>> getAllMethodsAndTheirSubstitutors() {
    return GrClassImplUtil.getAllMethodsAndTheirSubstitutors(this);
  }

  @Nullable
  @Override
  public PsiClass findInnerClassByName(@NonNls String name, boolean checkBases) {
    return GrClassImplUtil.findInnerClassByName(this, name, checkBases);
  }

  @Nullable
  @Override
  public PsiElement getLBrace() {
    return null;
  }

  @Nullable
  @Override
  public PsiElement getRBrace() {
    return null;
  }

  @Nullable
  @Override
  public PsiIdentifier getNameIdentifier() {
    return null;
  }

  @Override
  public PsiElement getScope() {
    return null;
  }

  @Override
  public boolean isInheritor(@NotNull PsiClass baseClass, boolean checkDeep) {
    return InheritanceImplUtil.isInheritor(this, baseClass, checkDeep);
  }

  @Override
  public boolean isInheritorDeep(PsiClass baseClass, @Nullable PsiClass classToByPass) {
    return InheritanceImplUtil.isInheritorDeep(this, baseClass, classToByPass);
  }

  @Nullable
  @Override
  public PsiClass getContainingClass() {
    return myContainingClass;
  }

  @NotNull
  @Override
  public Collection<HierarchicalMethodSignature> getVisibleSignatures() {
    return PsiSuperMethodImplUtil.getVisibleSignatures(this);
  }

  @Override
  public PsiElement setName(@NonNls @NotNull String name) {
    throw new UnsupportedOperationException();
  }

  @NotNull
  public GrLightTypeDefinitionBase setContainingClass(@Nullable PsiClass containingClass) {
    myContainingClass = containingClass;
    return this;
  }
}