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

/* @author Geir K. Nilsen (geir.kjetil.nilsen@gmail.com) 2017 */

namespace ParametricEqualizer
{
    public class ParametricEqualizer
    {
        private int numberOfSections;
        private List<Section> section;
        private double[] G0;
        private double[] G;
        private double[] GB;
        private double[] f0;
        private double[] Bf;
    

        public ParametricEqualizer(int numberOfSections, int fs, double[] f0, double[] Bf, double[] GB, double[] G0, double[] G)
        {
            this.numberOfSections = numberOfSections;
            this.G0 = G0;
            this.G = G;
            this.GB = GB;
            this.f0 = f0;
            this.Bf = Bf;
            
            section = new List<Section>();

            for (int sectionNumber = 0; sectionNumber < numberOfSections; sectionNumber++)
            {
                section.Add(new Section(f0[sectionNumber], Bf[sectionNumber], GB[sectionNumber], G0[sectionNumber], G[sectionNumber], fs));
            }
        }

        public void run(List<double> x, ref List<double> y)
        {
            for (int sectionNumber = 0; sectionNumber < numberOfSections; sectionNumber++)
            {
                section[sectionNumber].run(x, out y);
                x = y; // next section
            }
        }
    }
}