/*
 * Copyright 2015-present Facebook, Inc.
 *
 * 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.facebook.buck.lua;

import com.facebook.buck.android.AndroidPackageable;
import com.facebook.buck.android.AndroidPackageableCollector;
import com.facebook.buck.cxx.AbstractCxxLibrary;
import com.facebook.buck.cxx.CxxPlatform;
import com.facebook.buck.cxx.CxxPreprocessorDep;
import com.facebook.buck.cxx.CxxPreprocessorInput;
import com.facebook.buck.cxx.HeaderVisibility;
import com.facebook.buck.cxx.Linker;
import com.facebook.buck.cxx.NativeLinkable;
import com.facebook.buck.cxx.NativeLinkableInput;
import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.parser.NoSuchBuildTargetException;
import com.facebook.buck.rules.SourcePath;
import com.facebook.buck.rules.args.StringArg;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;

public class SystemLuaCxxLibrary implements AbstractCxxLibrary {

  private final BuildTarget target;

  public SystemLuaCxxLibrary(BuildTarget target) {
    this.target = target;
  }

  @Override
  public BuildTarget getBuildTarget() {
    return target;
  }

  @Override
  public Iterable<AndroidPackageable> getRequiredPackageables() {
    return ImmutableList.of();
  }

  @Override
  public void addToCollector(AndroidPackageableCollector collector) {}

  @Override
  public Iterable<? extends CxxPreprocessorDep> getCxxPreprocessorDeps(CxxPlatform cxxPlatform) {
    return ImmutableList.of();
  }

  @Override
  public CxxPreprocessorInput getCxxPreprocessorInput(
      CxxPlatform cxxPlatform, HeaderVisibility headerVisibility)
      throws NoSuchBuildTargetException {
    return CxxPreprocessorInput.EMPTY;
  }

  @Override
  public ImmutableMap<BuildTarget, CxxPreprocessorInput> getTransitiveCxxPreprocessorInput(
      CxxPlatform cxxPlatform, HeaderVisibility headerVisibility)
      throws NoSuchBuildTargetException {
    return ImmutableMap.of();
  }

  @Override
  public Iterable<? extends NativeLinkable> getNativeLinkableDeps() {
    return ImmutableList.of();
  }

  @Override
  public Iterable<? extends NativeLinkable> getNativeLinkableExportedDeps() {
    return ImmutableList.of();
  }

  @Override
  public NativeLinkableInput getNativeLinkableInput(
      CxxPlatform cxxPlatform, Linker.LinkableDepType type) throws NoSuchBuildTargetException {
    return NativeLinkableInput.builder().addAllArgs(StringArg.from("-llua")).build();
  }

  @Override
  public Linkage getPreferredLinkage(CxxPlatform cxxPlatform) {
    return Linkage.SHARED;
  }

  @Override
  public ImmutableMap<String, SourcePath> getSharedLibraries(CxxPlatform cxxPlatform)
      throws NoSuchBuildTargetException {
    return ImmutableMap.of();
  }
}