#include "ble/Bluetooth.h"
#include "BluetoothImpl.h"

#include <sstream>
#include <iomanip>

namespace trygvis {
namespace bluetooth {
using namespace std;

const uint8_t BluetoothGattDescriptor::DISABLE_NOTIFICATION_VALUE[] = {0x00, 0x00};
const uint8_t BluetoothGattDescriptor::ENABLE_INDICATION_VALUE[] = {0x02, 0x00};
const uint8_t BluetoothGattDescriptor::ENABLE_NOTIFICATION_VALUE[] = {0x01, 0x00};

// -----------------------------------------------------------------------
// Mac
// -----------------------------------------------------------------------

string Mac::str() const {
    std::ostringstream buf;

    buf
            << setw(2) << hex << setfill('0') << (int) bytes[5] << ":"
            << setw(2) << hex << setfill('0') << (int) bytes[4] << ":"
            << setw(2) << hex << setfill('0') << (int) bytes[3] << ":"
            << setw(2) << hex << setfill('0') << (int) bytes[2] << ":"
            << setw(2) << hex << setfill('0') << (int) bytes[1] << ":"
            << setw(2) << hex << setfill('0') << (int) bytes[0];

    return buf.str();
}

bool Mac::operator==(Mac &other) const {
    const uint8_t *b = bytes;
    return memcmp(b, other.bytes, sizeof(bytes)) == 0;
}

bool Mac::operator!=(Mac &other) const {
    return !operator==(other);
}

bool operator<(const Mac &a, const Mac &b) {
    return memcmp(a.bytes, b.bytes, sizeof(a.bytes)) < 0;
}

void Mac::copy(uint8_t &_5, uint8_t &_4, uint8_t &_3, uint8_t &_2, uint8_t &_1, uint8_t &_0) const {
    _5 = bytes[5];
    _4 = bytes[4];
    _3 = bytes[3];
    _2 = bytes[2];
    _1 = bytes[1];
    _0 = bytes[0];
}

Mac Mac::parseMac(string s) {
    unsigned int bytes[6];
    int count = sscanf(s.c_str(), "%02x:%02x:%02x:%02x:%02x:%02x",
            &bytes[5], &bytes[4], &bytes[3], &bytes[2], &bytes[1], &bytes[0]);

    if (count != 6) {
        throw BluetoothException("Unable to parseAttributeData mac: " + s);
    }

    return Mac((uint8_t) bytes[5], (uint8_t) bytes[4], (uint8_t) bytes[3], (uint8_t) bytes[2], (uint8_t) bytes[1], (uint8_t) bytes[0]);
}

// -----------------------------------------------------------------------
// Gatt
// -----------------------------------------------------------------------

BluetoothGatt::BluetoothGatt() = default;

BluetoothGatt::~BluetoothGatt() = default;

// -----------------------------------------------------------------------
// Device
// -----------------------------------------------------------------------

BluetoothDevice::BluetoothDevice() = default;

BluetoothDevice::~BluetoothDevice() = default;

// -----------------------------------------------------------------------
// Adapter
// -----------------------------------------------------------------------

BluetoothAdapter::BluetoothAdapter() = default;

BluetoothAdapter::~BluetoothAdapter() = default;
// -----------------------------------------------------------------------
// Bluetooth System. This is not sub-classed by implementations.
// -----------------------------------------------------------------------

BluetoothSystem::BluetoothSystem() = default;

BluetoothSystem::~BluetoothSystem() {
    adapters.clear();
}

shared_ptr<BluetoothAdapter> BluetoothSystem::getAdapter(string name) {
    auto it = adapters.find(name);

    if (it == adapters.end()) {
        auto adapter = adapters[name] = getAdapterImpl(name);
        return adapter;
    }

    return it->second;
}

} // namespace bluetooth
} // namespace trygvis