#include "noolite.h"

#include "src/libusbdevice.h"

namespace noolitelib
{

namespace Device
{

constexpr auto VID = 0x16c0;
constexpr auto PID = 0x05df;

}

namespace
{

constexpr auto WorkMode = 0;
constexpr auto Bitrate = 2;
constexpr auto Repeats = 2;

constexpr auto Mode = (Repeats << 5 | Bitrate << 3 | WorkMode);

}

Noolite::Noolite(IUsbDevice *device) :
    m_device(device ? device : new LibUsbDevice())
{
    m_device->openDevice(Device::VID, Device::PID);
}

Noolite::~Noolite()
{
    m_device->close();
    delete m_device;
}

bool Noolite::sendCommand(unsigned char channel, Command command, const Params &params)
{
    auto data = composeCommand(channel, command, params);

    if (data) {
        return m_device->sendDataToDevice(data.value());
    }

    return false;
}

std::optional<Data> Noolite::composeCommand(unsigned char channel, Command command, const Params &params) const
{
    if (noolitelib::Set == command && !(params.size() == 1 || params.size() == 3)) {
        return {};
    }

    unsigned char format = (noolitelib::Set == command) ? params.size() : (command > noolitelib::Bind ? 0x04: 0x00);

    Data res { Mode, static_cast<unsigned char>(command), format, 0x0, channel, 0x0, 0x0, 0x0 };
    for (int i = 0; i < params.size(); ++i) {
        res[5 + i] = params[i];
    }

    return res;
}

}