/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * 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.
 */

#include <algorithm>
#include <vintf/HalManifest.h>
#include <vintf/VintfObject.h>

#include "rust/cxx.h"

rust::Vec<rust::String> convert(const std::set<std::string>& names) {
    rust::Vec<rust::String> result;
    std::copy(names.begin(), names.end(), std::back_inserter(result));
    return result;
}

rust::Vec<rust::String> get_hal_names() {
    const auto manifest = android::vintf::VintfObject::GetDeviceHalManifest();
    const auto names = manifest->getHalNames();
    return convert(names);
}

rust::Vec<rust::String> get_hal_names_and_versions() {
    const auto manifest = android::vintf::VintfObject::GetDeviceHalManifest();
    const auto names = manifest->getHalNamesAndVersions();
    return convert(names);
}

rust::Vec<rust::String> get_hidl_instances(rust::Str package, size_t major_version,
                                           size_t minor_version, rust::Str interfaceName) {
    android::vintf::Version version(major_version, minor_version);
    const auto manifest = android::vintf::VintfObject::GetDeviceHalManifest();
    const auto names = manifest->getHidlInstances(static_cast<std::string>(package), version,
                                                  static_cast<std::string>(interfaceName));
    return convert(names);
}

rust::Vec<rust::String> get_aidl_instances(rust::Str package, size_t version,
                                           rust::Str interfaceName) {
    const auto manifest = android::vintf::VintfObject::GetDeviceHalManifest();
    const auto names = manifest->getAidlInstances(static_cast<std::string>(package), version,
                                                  static_cast<std::string>(interfaceName));
    return convert(names);
}