#pragma once

#include "FluidSim/Engine.hpp"

namespace fluidsim::port {

// Fixed thermodynamic boundary matching the C# Atmosphere component.
class Atmosphere final : public Component {
public:
    float pressure{101325.0f};
    float temperature{300.0f};
    float gas_constant_value{gas_constant};
    float gamma_value{gamma};
    Port port{};

    Atmosphere() { update_port(); }

    float density() const { return pressure / (gas_constant_value * temperature); }
    float specific_enthalpy() const {
        return gamma_value / (gamma_value - 1.0f) * pressure / density();
    }
    std::vector<Port*> ports() override { return {&port}; }
    void update_state(float /*dt*/) override { update_port(); }

private:
    void update_port() {
        port.gamma_value = gamma_value;
        port.gas_constant_value = gas_constant_value;
        port.pressure = pressure;
        port.density = density();
        port.temperature = temperature;
        port.enthalpy = specific_enthalpy();
        port.air_fraction = 1.0f;
        port.fuel_fraction = 0.0f;
    }
};

} // namespace fluidsim::port