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

namespace BaseCellSimulation.Enzyms.Membrane.GLUT
{
    public class GLUT4 : GLUT1
    {
        public GLUT4()
        {
            Km = 5.0; // Example Km value in mM for GLUT4
            Vmax = 0.6; // Higher Vmax for GLUT4
            ActivationThreshold = 0.3; // Example threshold for insulin activation

            KmRange = new(4.0, 6.0);
            VmaxRange = new(0.2, 15.0);
        }

        public double ActivationThreshold { get; set; }

        public override void ComputeRate(double gradient, EnviromentState Env)
        {
            if (gradient <= 0)
            {
                rate = 0;
                return;
            }
            // GLUT4 is insulin-responsive, so we can add an insulin factor
            double insulinFactor = 0.5 * (Math.Tanh((Env.Insulin - ActivationThreshold) / 0.1) + 1.0); // Example: insulin increases rate up to 3x
            Michaelis_Menten(gradient);
            rate *= insulinFactor;
        }
    }
}