namespace FluidSim.Interfaces
{
    /// <summary>
    /// A fluid port that belongs to a component. The solver writes mass flow,
    /// enthalpy, etc. here, and reads pressure, density, etc.
    /// </summary>
    public class Port
    {
        // Set by the solver during coupling resolution
        public double MassFlowRate;         // kg/s, positive INTO the component that owns this port
        public double SpecificEnthalpy;     // J/kg, enthalpy of the fluid crossing the port (inflow direction)

        // Set by the owning component after integration to reflect its current state
        public double Pressure;             // Pa
        public double Density;              // kg/m³
        public double Temperature;          // K

        // Link back to owner (optional, but handy for debugging)
        public object? Owner { get; set; }

        public Port()
        {
            MassFlowRate = 0.0;
            SpecificEnthalpy = 0.0;
            Pressure = 101325.0;
            Density = 1.225;
            Temperature = 300.0;
        }
    }
}