// 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.common.collect.Multimap;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration.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.OptionsParser.OptionUsageRestrictions;
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 = "",
    category = "flags",
    help = "Additional options to pass to the J2ObjC tool."
  )
  public List<String> translationFlags;

  @Option(
    name = "j2objc_dead_code_removal",
    defaultValue = "false",
    optionUsageRestrictions = OptionUsageRestrictions.UNDOCUMENTED,
    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",
    optionUsageRestrictions = OptionUsageRestrictions.UNDOCUMENTED,
    converter = LabelConverter.class,
    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 = "explicit_jre_deps",
    defaultValue = "true",
    category = "flags",
    help = "Requires JRE dependencies to be declared in j2objc_library's jre_deps attribute."
  )
  public boolean explicitJreDeps;

  @Option(
    name = "experimental_j2objc_header_map",
    defaultValue = "true",
    category = "flags",
    help = "Whether to generate J2ObjC header map in parallel of J2ObjC transpilation."
  )
  public boolean experimentalJ2ObjcHeaderMap;

  @Override
  public void addAllLabels(Multimap<String, Label> labelMap) {}
}