// Copyright 2015 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.rules.objc;

import com.google.devtools.build.lib.analysis.config.CoreOptionConverters.LabelConverter;
import com.google.devtools.build.lib.analysis.config.FragmentOptions;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.common.options.Converters;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionDocumentationCategory;
import com.google.devtools.common.options.OptionEffectTag;
import com.google.devtools.common.options.OptionMetadataTag;
import java.util.List;

/**
 * Command-line options for J2ObjC translation of Java source code to ObjC. These command line
 * options are used by Java rules that can be transpiled (specifically, J2ObjCAspects thereof).
 */
public class J2ObjcCommandLineOptions extends FragmentOptions {
  @Option(
      name = "j2objc_translation_flags",
      converter = Converters.CommaSeparatedOptionListConverter.class,
      allowMultiple = true,
      defaultValue = "null",
      documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
      effectTags = {OptionEffectTag.UNKNOWN},
      help = "Additional options to pass to the J2ObjC tool.")
  public List<String> translationFlags;

  /*
   *@deprecated Use J2ObjC tree shaker instead.
   */
  @Deprecated
  @Option(
      name = "j2objc_dead_code_removal",
      defaultValue = "false",
      documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
      effectTags = {OptionEffectTag.UNKNOWN},
      help =
          "Whether to perform J2ObjC dead code removal to strip unused code from the final app "
              + "bundle.")
  public boolean removeDeadCode;

  @Option(
    name = "j2objc_dead_code_report",
    defaultValue = "null",
    converter = LabelConverter.class,
    documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
    effectTags = {OptionEffectTag.UNKNOWN},
    help =
        "Allows J2ObjC to strip dead code reported by ProGuard. Takes a label that can "
            + "generate a dead code report as argument."
  )
  public Label deadCodeReport;

  @Option(
    name = "experimental_j2objc_header_map",
    defaultValue = "true",
    documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
    effectTags = {OptionEffectTag.UNKNOWN},
    help = "Whether to generate J2ObjC header map in parallel of J2ObjC transpilation."
  )
  public boolean experimentalJ2ObjcHeaderMap;

  @Option(
    name = "experimental_j2objc_shorter_header_path",
    defaultValue = "false",
    documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
    effectTags = {OptionEffectTag.AFFECTS_OUTPUTS},
    help = "Whether to generate with shorter header path (uses \"_ios\" instead of \"_j2objc\")."
  )
  public boolean experimentalShorterHeaderPath;

  @Option(
      name = "incompatible_j2objc_library_migration",
      defaultValue = "false",
      documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
      effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS},
      metadataTags = {OptionMetadataTag.INCOMPATIBLE_CHANGE},
      help =
          "If enabled, direct usage of the native j2objc_library rules is disabled. Please use the"
              + " Starlark rule instead.")
  public boolean j2objcLibraryMigration;

  @Override
  public FragmentOptions getExec() {
    J2ObjcCommandLineOptions exec = (J2ObjcCommandLineOptions) super.getExec();
    exec.translationFlags = this.translationFlags;
    exec.j2objcLibraryMigration = j2objcLibraryMigration;
    return exec;
  }
}