/*
 * Copyright (C) 2017 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.
 */

#ifndef ANDROID_HARDWARE_OEMLOCK_OEMLOCK_H
#define ANDROID_HARDWARE_OEMLOCK_OEMLOCK_H

#include <android/hardware/oemlock/1.0/IOemLock.h>

#include <Avb.client.h>

namespace android {
namespace hardware {
namespace oemlock {

using ::android::hardware::oemlock::V1_0::IOemLock;
using ::android::hardware::oemlock::V1_0::OemLockSecureStatus;
using ::android::hardware::oemlock::V1_0::OemLockStatus;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;

using ::nugget::app::avb::CarrierUnlock;

using AvbClient = ::nugget::app::avb::IAvb;

struct OemLock : public IOemLock {
    OemLock(AvbClient& avbApp) : _avbApp{avbApp} {}
    ~OemLock() override = default;

    // Methods from ::android::hardware::oemlock::V1_0::IOemLock follow.
    Return<void> getName(getName_cb _hidl_cb) override;
    Return<OemLockSecureStatus> setOemUnlockAllowedByCarrier(
            bool allowed, const hidl_vec<uint8_t>& signature) override;
    Return<void> isOemUnlockAllowedByCarrier(isOemUnlockAllowedByCarrier_cb _hidl_cb) override;
    Return<OemLockStatus> setOemUnlockAllowedByDevice(bool allowed) override;
    Return<void> isOemUnlockAllowedByDevice(isOemUnlockAllowedByDevice_cb _hidl_cb) override;

    static bool carrierUnlockFromSignature(const hidl_vec<uint8_t>& signature,
                                           CarrierUnlock* unlock);

private:
    AvbClient& _avbApp;
};

} // namespace oemlock
} // namespace hardware
} // namespace android

#endif // ANDROID_HARDWARE_OEMLOCK_OEMLOCK_H