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

namespace BCMToolbox.Stimuli
{
    public class ConsistentExcitator : StimulatorBase
    {
        public const string CE_INTERVALS = "CE Intervals";
        public const string CE_MAXSTRENGTH = "CE Max Strength";
        public const string CE_MINSTRENGTH = "CE Min Strength";
        public const string CE_WIDTH = "CE Interval Width";
        Random r = new Random();

        public override string[] GetParameters()
        {
            return new string[] {
                STIMULUS_LENGTH,
                STIMULUS_START,
                CE_INTERVALS,
                CE_MAXSTRENGTH,
                CE_MINSTRENGTH,
                CE_WIDTH};
        }

        protected override void Apply()
        {
            int intervals = (int)__parameters[CE_INTERVALS];
            int width = (int)__parameters[CE_WIDTH];

            double maxStrength = GetDouble(__parameters[CE_MAXSTRENGTH]);
            double minStrength = GetDouble(__parameters[CE_MINSTRENGTH]);
           

            double[] allChannels = new double[this.Bound.Count];

            int intervalWidth = this.Bound.Count / intervals;

            for (int i = 0; i < intervals; i++)
            {
                int intervalStart = i * intervalWidth;
                intervalStart += (intervalWidth - width) / 2;
                for (int j = 0; j < width; j++)
                    allChannels[intervalStart + j] = r.NextDouble() * (maxStrength-minStrength) + minStrength;
            }

            this.Bound.ApplyInputs(allChannels);
        }
    }
}