/*
 * PinFromDecoderSetupv2.cpp
 *
 *  Created on: 22 окт. 2019 г.
 *      Author: user
 */


#include "PinFromDecoderv2Setup.hh"

#include "../../systemic/SystemException.hh"

struct GpioPinDecoderError : public systemic::SystemException {

    const char * what() const noexcept { return "driver::GpioPinDecoder_v2::grab return nullptr"; }
    std::size_t id() const noexcept { return 3873; };
    std::pair<const char *, std::size_t> binary() const noexcept {
        return {reinterpret_cast<const char *>(this), sizeof(GpioPinDecoderError)};
    }

    GpioPinDecoderError( configuration::Environment::Id decoder_id, uint16_t pin_id ) : decoder_id(decoder_id), pin_id(pin_id) {}

    configuration::Environment::Id decoder_id;
    uint16_t pin_id;
};

bool application::virtualization::PinFromDecoder_v2Setup::input( Environment & env ) {

    return grab( pin_decoder, env.rholder.getShared< driver::GpioPinDecoder_v2 >( links.gpio_decoder_id ) );

}

void application::virtualization::PinFromDecoder_v2Setup::build( Environment & env ) {

    Local< driver::GpioPinDecoder_v2 > decoder( pin_decoder, *env.rholder.getShared< driver::GpioPinDecoder_v2 >( links.gpio_decoder_id ) );

    peripheral::IGpio * pin = decoder->grab( config.pin_id );

    if( not pin )
        throw GpioPinDecoderError( links.gpio_decoder_id, config.pin_id );

    if( links.gpio_id )
        env.rholder.share( *pin, links.gpio_id );

}

application::virtualization::PinFromDecoder_v2Setup::PinFromDecoder_v2Setup(
        const Links & links, const Setting & config ) : links(links), config(config)
{}