/*
 * Copyright (C) 2016 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 WIFI_AP_IFACE_H_
#define WIFI_AP_IFACE_H_

#include <android-base/macros.h>
#include <android/hardware/wifi/1.5/IWifiApIface.h>

#include "wifi_iface_util.h"
#include "wifi_legacy_hal.h"

namespace android {
namespace hardware {
namespace wifi {
namespace V1_6 {
namespace implementation {
using namespace android::hardware::wifi::V1_0;

/**
 * HIDL interface object used to control a AP Iface instance.
 */
class WifiApIface : public V1_5::IWifiApIface {
  public:
    WifiApIface(const std::string& ifname, const std::vector<std::string>& instances,
                const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
                const std::weak_ptr<iface_util::WifiIfaceUtil> iface_util);
    // Refer to |WifiChip::invalidate()|.
    void invalidate();
    bool isValid();
    std::string getName();
    void removeInstance(std::string instance);

    // HIDL methods exposed.
    Return<void> getName(getName_cb hidl_status_cb) override;
    Return<void> getType(getType_cb hidl_status_cb) override;
    Return<void> setCountryCode(const hidl_array<int8_t, 2>& code,
                                setCountryCode_cb hidl_status_cb) override;
    Return<void> getValidFrequenciesForBand(V1_0::WifiBand band,
                                            getValidFrequenciesForBand_cb hidl_status_cb) override;
    Return<void> setMacAddress(const hidl_array<uint8_t, 6>& mac,
                               setMacAddress_cb hidl_status_cb) override;
    Return<void> getFactoryMacAddress(getFactoryMacAddress_cb hidl_status_cb) override;
    Return<void> resetToFactoryMacAddress(resetToFactoryMacAddress_cb hidl_status_cb) override;

    Return<void> getBridgedInstances(getBridgedInstances_cb hidl_status_cb) override;

  private:
    // Corresponding worker functions for the HIDL methods.
    std::pair<WifiStatus, std::string> getNameInternal();
    std::pair<WifiStatus, IfaceType> getTypeInternal();
    WifiStatus setCountryCodeInternal(const std::array<int8_t, 2>& code);
    std::pair<WifiStatus, std::vector<WifiChannelInMhz>> getValidFrequenciesForBandInternal(
            V1_0::WifiBand band);
    WifiStatus setMacAddressInternal(const std::array<uint8_t, 6>& mac);
    std::pair<WifiStatus, std::array<uint8_t, 6>> getFactoryMacAddressInternal(
            const std::string& ifaceName);
    WifiStatus resetToFactoryMacAddressInternal();
    std::pair<WifiStatus, std::vector<hidl_string>> getBridgedInstancesInternal();

    std::string ifname_;
    std::vector<std::string> instances_;
    std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
    std::weak_ptr<iface_util::WifiIfaceUtil> iface_util_;
    bool is_valid_;

    DISALLOW_COPY_AND_ASSIGN(WifiApIface);
};

}  // namespace implementation
}  // namespace V1_6
}  // namespace wifi
}  // namespace hardware
}  // namespace android

#endif  // WIFI_AP_IFACE_H_