//    PRIVILEGE needed to be set in tizen-manifest.xml:
//    http://tizen.org/privilege/network.get

#include <wifi.h>
#include <dlog.h> // for logging purposes

//Callback performed on each access point found. It prints an access point ID.
bool access_point_callback(wifi_ap_h access_point, void *user_data)
{
    char* ap_id = NULL;
    if(wifi_ap_get_essid(access_point, &ap_id) == WIFI_ERROR_NONE)
    {
        LOGI("Access point ID: %s", ap_id);
    }
    else
    {
        LOGE("Error when getting access point ID!");
        return false;
    }
    return true;
}

//Callback called when access point scan is finished.
void scan_finished_callback(wifi_error_e result, void *user_data)
{
    if (result == WIFI_ERROR_NONE)
    {
        LOGI("WiFi access point scan finished!");
        if(wifi_foreach_found_aps(access_point_callback, NULL) == WIFI_ERROR_NONE)
        {
            LOGI("Listing access points successful!");
        }
        else
        {
            LOGE("Error when listing access points!");
        }
    }
    else
    {
        LOGE("Error when scanning for WiFi access points!");
    }
}

// This simple function deactivates WiFi.
// It returns false on failure, true on success
bool scan_for_wifi_APs()
{
    bool result = false;
    if (wifi_initialize() == WIFI_ERROR_NONE)
    {
        bool wifi_activated = false;
        if (wifi_is_activated(&wifi_activated) == WIFI_ERROR_NONE)
        {
            if (!wifi_activated)
            {
                LOGE("WIFI is not activated! Please activate WiFi first");
                result = false;
            }
            else
            {
                LOGI("WIFI is activated!");
                if(wifi_scan(scan_finished_callback, NULL) == WIFI_ERROR_NONE)
                {
                    LOGI("WiFi AP scan started!");
                    result = true;
                }
                else
                {
                    LOGE("Could not start scanning!");
                    result = false;
                }
            }
        }
        else
        {
            LOGE("Could not check WiFi status!");
            result = false;
        }
    }
    else
    {
        LOGE("WiFi initialization error!");
        result = false;
    }
    return result;
}

// This should be called when you don't need WiFi services anymore (e.g. on app shutdown).
void deinitialize()
{
    if (wifi_deinitialize() == WIFI_ERROR_NONE)
    {
        LOGI("WiFi deinitialized!");
    }
}