#pragma once
#include "FluidSim/MachinePorts.hpp"
#include <array>
#include <cstdint>
#include <string>

namespace fluidsim::port {
enum class MachineSensorKind {Pressure,DifferentialPressure,GasTemperature,MassFlow,Crank,ThrottlePosition};
inline constexpr int machine_sensor_kind_count=6;
struct MachineSensorTap {
    std::uint32_t part{};
    float position{.5f}; // Normalized pipe arclength, independent of fluid cells.
    std::string label; // Retains the intended host when a binding is unresolved.
    bool operator==(const MachineSensorTap&)const=default;
};
struct MachineSensor {
    std::uint32_t id{};
    MachineSensorKind kind{MachineSensorKind::Pressure};
    std::string name;
    MachineSensorTap target,reference;
    float angle_offset{}; // Radians, added to the physical shaft angle.
    bool operator==(const MachineSensor&)const=default;
};
enum class MachineSensorStatus {Valid,MissingHost,IncompatibleHost,Fault};
struct MachineSensorState {
    std::uint32_t id{};
    std::array<SignalValue,3> outputs;
    unsigned count{};
    MachineSensorStatus status{MachineSensorStatus::MissingHost};
    // An ideal crank pickup preserves provenance and unwrapped crossings. An
    // arbitrary numeric RPM signal must never acquire timing authority from it.
    std::uint32_t timing_shaft{};
    double unwrapped_angle{};
};
const char* machine_sensor_key(MachineSensorKind);
const char* machine_sensor_name(MachineSensorKind);
const char* machine_sensor_status_name(MachineSensorStatus);
unsigned machine_sensor_output_count(MachineSensorKind);
MachinePortDescriptor machine_sensor_output(const MachineSensor&,unsigned);
}