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

namespace BaseCellSimulation.Enzyms.Mytochondrion
{
    public class OxPhosEnzyme : InternalEnzym
    {
        public double PO_Ratio { get; set; } = 2.5;

        public OxPhosEnzyme()
        {
            Vmax = 0.8;
            Km = 0.01;

        }

        public override void ApplyChanges(CellRessources res, double dt)
        {
            double usedNADH = Math.Min(rate * dt, res.Res.Energy.NADH);
            if (usedNADH <= 0) return;

            res.TransferNADH(usedNADH, true);

            double o2Consumed = 0.5 * usedNADH;
            res.Res.Oxygen = Math.Max(0.0, res.Res.Oxygen - o2Consumed);

            double atpMade = PO_Ratio * usedNADH;
            res.RegenerateATP(atpMade);

            // ROS-Produktion
            double rosFactor = Math.Min(1.0, res.Res.Oxygen / 2.0);
            res.Res.Ions.H2O2 += usedNADH * 0.001 * rosFactor;
            res.Res.Protein.Waste += usedNADH * 0.001 * rosFactor;
        }

        public override void ComputeRate(Resources res)
        {
            double nadh = res.Energy.NADH;
            Michaelis_Menten(nadh);

            // Begrenzung durch O2
            double o2Limit = Math.Min(1.0, res.Oxygen / 0.05);
            rate *= o2Limit;

            // ATP/ROS Feedback
            double atpFactor = Math.Clamp(res.Energy.ATP / 0.5, 0.0, 1.0);
            double wasteFactor = 1.0 / (1.0 + res.Protein.Waste / 10.0);
            rate *= atpFactor * wasteFactor;
        }
    }
}