/*
 * Copyright (C) 2016 The Dagger Authors.
 *
 * 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 dagger.internal.codegen.compileroption;

import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;

/** A collection of options that dictate how the compiler will run. */
public abstract class CompilerOptions {
  public abstract boolean usesProducers();

  /**
   * Returns true if the fast initialization flag, {@code fastInit}, is enabled.
   *
   * <p>If enabled, the generated code will attempt to optimize for fast component initialization.
   * This is done by reducing the number of factory classes loaded during initialization and the
   * number of eagerly initialized fields at the cost of potential memory leaks and higher
   * per-provision instantiation time.
   */
  public abstract boolean fastInit(TypeElement element);

  public abstract boolean formatGeneratedSource();

  public abstract boolean writeProducerNameInToken();

  public abstract Diagnostic.Kind nullableValidationKind();

  public final boolean doCheckForNulls() {
    return nullableValidationKind().equals(Diagnostic.Kind.ERROR);
  }

  public abstract Diagnostic.Kind privateMemberValidationKind();

  public abstract Diagnostic.Kind staticMemberValidationKind();

  /**
   * If {@code true}, Dagger will generate factories and components even if some members-injected
   * types have {@code private} or {@code static} {@code @Inject}-annotated members.
   *
   * <p>This should only ever be enabled by the TCK tests. Disabling this validation could lead to
   * generating code that does not compile.
   */
  public abstract boolean ignorePrivateAndStaticInjectionForComponent();

  public abstract ValidationType scopeCycleValidationType();

  /**
   * If {@code true}, Dagger will validate all transitive component dependencies of a component.
   * Otherwise, Dagger will only validate the direct component dependencies.
   *
   * <p>Note: this is different from scopeCycleValidationType, which lets you silence errors of
   * transitive component dependencies, but still requires the full transitive dependencies in the
   * classpath.
   *
   * <p>The main motivation for this flag is to prevent requiring the transitive component
   * dependencies in the classpath to speed up builds. See
   * https://github.com/google/dagger/issues/970.
   */
  public abstract boolean validateTransitiveComponentDependencies();

  public abstract boolean warnIfInjectionFactoryNotGeneratedUpstream();

  public abstract boolean headerCompilation();

  public abstract ValidationType fullBindingGraphValidationType();

  /**
   * If {@code true}, each plugin will visit the full binding graph for the given element.
   *
   * @throws IllegalArgumentException if {@code element} is not a module or (sub)component
   */
  public abstract boolean pluginsVisitFullBindingGraphs(TypeElement element);

  public abstract Diagnostic.Kind moduleHasDifferentScopesDiagnosticKind();

  public abstract ValidationType explicitBindingConflictsWithInjectValidationType();

  public abstract boolean experimentalDaggerErrorMessages();

  /** Returns the number of bindings allowed per shard. */
  public int keysPerComponentShard(TypeElement component) {
    return 3500;
  }

  /**
   * This option enables a fix to an issue where Dagger previously would erroneously allow
   * multibinding contributions in a component to have dependencies on child components. This will
   * eventually become the default and enforced.
   */
  public abstract boolean strictMultibindingValidation();
}