/*

 * Copyright 2008 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com

 * All rights reserved. Distributed under the terms of the MIT License.

 */

#include <stdio.h>
#include <stdlib.h>

#include <bluetooth/bdaddrUtils.h>
#include <bluetooth/LocalDevice.h>

#include <bluetooth/DeviceClass.h>
#include <bluetooth/DiscoveryAgent.h>
#include <bluetooth/DiscoveryListener.h>

thread_id mainThread;

class SimpleDiscoveryListener : public DiscoveryListener {

public:

SimpleDiscoveryListener()
        : DiscoveryListener()
{

}


void
DeviceDiscovered(RemoteDevice* btDevice, DeviceClass cod)
{
        BString classString;

        printf("\t%s: Device %s discovered.\n",__FUNCTION__, 
                bdaddrUtils::ToString(btDevice->GetBluetoothAddress()));

        cod.GetServiceClass(classString);
        classString << " |";
        cod.GetMajorDeviceClass(classString);
        classString << " |";
        cod.GetMinorDeviceClass(classString);

        printf("\t\t%s: \n", classString.String());
}


void
InquiryCompleted(int discType)
{
        printf("\t%s: Inquiry process has finished ...\n",__FUNCTION__);
        (void)send_data(mainThread, discType, NULL, 0);
}


void
InquiryStarted(status_t status)
{
        printf("\t%s: Inquiry process has started ...\n",__FUNCTION__);
}


};


void
DumpInfo(LocalDevice* device)
{
        DiscoveryAgent* dAgent = device->GetDiscoveryAgent();

        if (dAgent == NULL) {
                printf("DiscoveryAgent could not be located\n");
                return;
        }

        printf("Discovering for  [LocalDevice] %s\t%s\n\n",
                (device->GetFriendlyName()).String(),
                bdaddrUtils::ToString(device->GetBluetoothAddress()));

        SimpleDiscoveryListener* dListener = new SimpleDiscoveryListener();

        dAgent->StartInquiry(BT_GIAC, dListener);

        thread_id sender;
        (void)receive_data(&sender, NULL, 0);

        printf("Retrieving names ...\n");

        for (int32 index = 0 ; index < dAgent->RetrieveDevices(0).CountItems(); index++ ) {

                RemoteDevice* rDevice = dAgent->RetrieveDevices(0).ItemAt(index);
                printf("\t%s \t@ %s ...\n", rDevice->GetFriendlyName(true).String(),
                        bdaddrUtils::ToString(rDevice->GetBluetoothAddress()));

    }

}


static status_t
LocalDeviceError(status_t status)
{
    fprintf(stderr,"No Device/s found");

    return status;
}


int
main(int argc, char *argv[])
{
        mainThread = find_thread(NULL);

        if (argc == 2) {
                // device specified

                LocalDevice* device = LocalDevice::GetLocalDevice(atoi(argv[0]));
                if (device == NULL)
                        return LocalDeviceError(ENODEV);

                DumpInfo(device);

        } else if (argc == 1) {
                // show all devices

                LocalDevice* device = NULL;

                printf("Performing discovery for %ld Bluetooth Local Devices ...\n",
                        LocalDevice::GetLocalDeviceCount());

                for (uint32 index = 0 ; index < LocalDevice::GetLocalDeviceCount() ; index++) {

                        device = LocalDevice::GetLocalDevice();
                        if (device == NULL) {
                                LocalDeviceError(ENODEV);
                                continue;
                        }
                        DumpInfo(device);

                }

                return B_OK;

        } else {
                fprintf(stderr,"Usage: bt_dev_info [device]\n");
                return B_ERROR;
        }
}