using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BaseCellSimulation.Enzyms.Membrane
{
    public class NaK_ATPase : MembranEnzyme
    {
        public double ATPperCycle = 1.0;
        public double NaOutStoich = 3.0;
        public double KInStoich = 2.0;

        public override void ComputeRate(double gradient, EnviromentState env)
        {
            
            // niedriger Gradient → höhere Rate
            double effective = 1.0 / (1.0 + gradient);
            rate = Vmax * effective;
        }

        public override void ApplyChanges(CellRessources res, double dt)
        {
            double flux = rate * dt;

            // Verbrauch von ATP
            double atpNeeded = flux * ATPperCycle;
            if (res.Res.Energy.ATP < atpNeeded) flux *= res.Res.Energy.ATP / atpNeeded;

            res.Res.Ions.Na -= NaOutStoich * flux;   // Na raus
            res.Res.Ions.K += KInStoich * flux;      // K rein
            res.Env.Na += NaOutStoich * flux;
            res.Env.K -= KInStoich * flux;
            res.ConsumeATP(atpNeeded);
        }

        public override double CalculateGradient(CellRessources res)
        {
            return (res.Res.Ions.Na / res.Env.Na) * (res.Env.K / res.Res.Ions.K);
        }
    }
}