/*
 * Copyright (C) 2024 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 <memory>
#include <string_view>

#include <android/binder_interface_utils.h>
#include <health-impl/Health.h>
#include <health/utils.h>

using ::aidl::android::hardware::health::BatteryHealth;
using ::aidl::android::hardware::health::BatteryStatus;
using ::aidl::android::hardware::health::HalHealthLoop;
using ::aidl::android::hardware::health::Health;
using ::aidl::android::hardware::health::HealthInfo;
using ::aidl::android::hardware::health::IHealth;
using ::android::hardware::health::InitHealthdConfig;
using ::ndk::ScopedAStatus;
using ::ndk::SharedRefBase;
using namespace std::literals;

namespace aidl::android::hardware::health {

class HealthImpl : public Health {
  public:
    // Use default constructor from IHealth
    using Health::Health;
    virtual ~HealthImpl() {}

    ScopedAStatus getChargeCounterUah(int32_t* out) override;
    ScopedAStatus getCurrentNowMicroamps(int32_t* out) override;
    ScopedAStatus getCurrentAverageMicroamps(int32_t* out) override;
    ScopedAStatus getCapacity(int32_t* out) override;
    ScopedAStatus getChargeStatus(BatteryStatus* out) override;
    ScopedAStatus getEnergyCounterNwh(int64_t* out) override;

  protected:
    void UpdateHealthInfo(HealthInfo* health_info) override;
};

ScopedAStatus HealthImpl::getChargeCounterUah(int32_t* out) {
    *out = 10000;  // 10 Ah
    return ScopedAStatus::ok();
}

ScopedAStatus HealthImpl::getCurrentNowMicroamps(int32_t* out) {
    *out = 900000;  // 0.9A
    return ScopedAStatus::ok();
}

ScopedAStatus HealthImpl::getCurrentAverageMicroamps(int32_t* out) {
    *out = 900000;  // 0.9A
    return ScopedAStatus::ok();
}

ScopedAStatus HealthImpl::getCapacity(int32_t* out) {
    *out = 100;
    return ScopedAStatus::ok();
}

ScopedAStatus HealthImpl::getChargeStatus(BatteryStatus* out) {
    *out = BatteryStatus::CHARGING;
    return ScopedAStatus::ok();
}

ScopedAStatus HealthImpl::getEnergyCounterNwh(int64_t* out) {
    *out = LONG_MAX;
    return ScopedAStatus::ok();
}

void HealthImpl::UpdateHealthInfo(HealthInfo* health_info) {
    health_info->chargerAcOnline = true;
    health_info->batteryStatus = BatteryStatus::CHARGING;
    health_info->batteryLevel = 100;
    health_info->batteryChargeTimeToFullNowSeconds = 0;
}
}  // namespace aidl::android::hardware::health

int main(int /* argc */, char** /* argv */) {
    // Automotive does not support offline-charging mode, hence do not handle
    // --charger option.
    using aidl::android::hardware::health::HealthImpl;

    auto config = std::make_unique<healthd_config>();
    InitHealthdConfig(config.get());
    auto binder = SharedRefBase::make<HealthImpl>("default", std::move(config));
    auto hal_health_loop = std::make_shared<HalHealthLoop>(binder, binder);
    return hal_health_loop->StartLoop();
}