// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

package com.android.tools.r8.naming.mappinginformation;

import com.android.tools.r8.DiagnosticsHandler;
import com.android.tools.r8.naming.MapVersion;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import java.util.function.Consumer;

public class CompilerSynthesizedMappingInformation extends MappingInformation {

  public static final MapVersion SUPPORTED_VERSION = MapVersion.MapVersionExperimental;
  public static final String ID = "com.android.tools.r8.synthesized";

  public static class Builder {

    public CompilerSynthesizedMappingInformation build() {
      return new CompilerSynthesizedMappingInformation();
    }
  }

  public static boolean isSupported(MapVersion version) {
    return version.isGreaterThanOrEqualTo(SUPPORTED_VERSION);
  }

  private CompilerSynthesizedMappingInformation() {}

  public static Builder builder() {
    return new Builder();
  }

  @Override
  public String getId() {
    return ID;
  }

  @Override
  public boolean isCompilerSynthesizedMappingInformation() {
    return true;
  }

  @Override
  public CompilerSynthesizedMappingInformation asCompilerSynthesizedMappingInformation() {
    return this;
  }

  @Override
  public boolean allowOther(MappingInformation information) {
    return !information.isCompilerSynthesizedMappingInformation();
  }

  @Override
  public String serialize() {
    JsonObject object = new JsonObject();
    object.add(MAPPING_ID_KEY, new JsonPrimitive(ID));
    return object.toString();
  }

  public static void deserialize(
      MapVersion version,
      JsonObject object,
      DiagnosticsHandler diagnosticsHandler,
      int lineNumber,
      Consumer<MappingInformation> onMappingInfo) {
    if (isSupported(version)) {
      onMappingInfo.accept(builder().build());
    }
  }
}