using ErrorAnalysis.Repository;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace ErrorAnalysis.Service
{
    public class COMergeCalcService
    {
        //Ncoef=1e8*2.54*2.54*2*6*11*2*77*0.2/0.6*speed;
        //Fcoef=1e8*2.54*2.54*4*6*2*11*77*0.2/0.6*speed;

        const double _gg = (9.0 - 0.0) / 255.0;//0.03529
        const double _offset = 0.0;

        const int _cWinStartIndex = (int)(3.3 / _gg + _offset); //C窗口index
        const int _cWinEndIndex = (int)(4.78 / _gg + _offset); // width= 4.78-3.3  = 1.48

        const int _oWinStartIndex = (int)(4.88 / _gg + _offset); // org
        const int _oWinEndIndex = (int)(6.36 / _gg + _offset); // width = 6.36-4.88=1.48

        private static double GetFarInterplolateResult(COFarResultRepository repos, string modelId, double porosity, double sw, double speed, double depth)
        {

        }

        private static double GetNearInterplolateResult(COFarResultRepository repos, string modelId, double porosity, double sw, double speed, double depth)
        {

        }

        public static double GetFarMergeCResult(string connectionString, string modelId, double porosity, double sw, double speed, double depth)
        {
            if (porosity > 40)
                throw new InvalidDataException("Porosity value out of range!");

            var repository = new COFarResultRepository(connectionString);
            double result = 0;
            if (porosity % 5 == 0)
            {
                var cResult = repository.GetCOFarResult(modelId, (int)porosity, 0);
                if (cResult == null)
                    throw new InvalidDataException("COFarResult not found");
                var cArr = cResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
                if (cArr == null)
                    throw new InvalidDataException("COFarResult InelasticSpec is null");

                var length = _cWinEndIndex - _cWinStartIndex + 1;
                var originC = cArr.Skip(_cWinStartIndex).Take(length).Sum();
                var coef = originC * 1e8 * 2.54 * 2.54 * 4 * 6 * 2 * 11 * 77 * 0.2 / 0.6 * speed * depth * 0.07;
                if (sw > 0)
                    result = Utility.Interpolate(sw, 100, 0, 0, coef);

            }
            else
            {
                double ceilingResult = 0;
                var ceilingPorosity = Math.Ceiling(porosity / 5) * 5;
                var ceilingCResult = repository.GetCOFarResult(modelId, (int)ceilingPorosity, 0);
                if (ceilingCResult == null)
                    throw new InvalidDataException("COFarResult not found");
                var ceilingCArr = ceilingCResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
                if (ceilingCArr == null)
                    throw new InvalidDataException("COFarResult InelasticSpec is null");

                var ceilingLength = _cWinEndIndex - _cWinStartIndex + 1;
                var ceilingOriginC = ceilingCArr.Skip(_cWinStartIndex).Take(ceilingLength).Sum();
                var ceilingCoef = ceilingOriginC * 1e8 * 2.54 * 2.54 * 4 * 6 * 2 * 11 * 77 * 0.2 / 0.6 * speed;
                if (sw > 0)
                    ceilingResult = Utility.Interpolate(sw, 100, 0, 0, ceilingCoef);

                double floorResult = 0;
                var floorPorosity = Math.Floor(porosity / 5) * 5;
                var floorCResult = repository.GetCOFarResult(modelId, (int)floorPorosity, 0);
                if (floorCResult == null)
                    throw new InvalidDataException("COFarResult not found");
                var floorCArr = floorCResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
                if (floorCArr == null)
                    throw new InvalidDataException("COFarResult InelasticSpec is null");

                var floorLength = _cWinEndIndex - _cWinStartIndex + 1;
                var floorOriginC = floorCArr.Skip(_cWinStartIndex).Take(floorLength).Sum();
                var floorCoef = floorOriginC * 1e8 * 2.54 * 2.54 * 4 * 6 * 2 * 11 * 77 * 0.2 / 0.6 * speed;
                if (sw > 0)
                    floorResult = Utility.Interpolate(sw, 100, 0, 0, floorCoef);

                result = Utility.Interpolate(porosity, floorPorosity, floorResult, ceilingPorosity, ceilingResult);
            }
            return result;
        }

        public static double GetFarMergeOResult(string connectionString, string modelId, double porosity, double sw, double speed)
        {
            var repository = new COFarResultRepository(connectionString);
            var cResult = repository.GetCOFarResult(modelId, porosity, 100);
            if (cResult == null)
                throw new InvalidDataException("COFarResult not found");
            var cArr = cResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
            if (cArr == null)
                throw new InvalidDataException("COFarResult InelasticSpec is null");

            var length = _oWinEndIndex - _oWinStartIndex + 1;
            var result = cArr.Skip(_oWinStartIndex).Take(length).Sum();

            return result;
        }

        public static double GetNearMergeCResult(string connectionString, string modelId, double porosity, double sw, double speed)
        {
            var repository = new CONearResultRepository(connectionString);
            var cResult = repository.GetCONearResult(modelId, porosity, 0);
            if (cResult == null)
                throw new InvalidDataException("CONearResult not found");
            var cArr = cResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
            if (cArr == null)
                throw new InvalidDataException("CONearResult InelasticSpec is null");

            var length = _cWinEndIndex - _cWinStartIndex + 1;
            var result = cArr.Skip(_cWinStartIndex).Take(length).Sum();

            return result;
        }

        public static double GetNearMergeOResult(string connectionString, string modelId, double porosity, double sw, double speed)
        {
            var repository = new CONearResultRepository(connectionString);
            var cResult = repository.GetCONearResult(modelId, porosity, 100);
            if (cResult == null)
                throw new InvalidDataException("CONearResult not found");
            var cArr = cResult.InelasticSpec?.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
            if (cArr == null)
                throw new InvalidDataException("CONearResult InelasticSpec is null");

            var length = _oWinEndIndex - _oWinStartIndex + 1;
            var result = cArr.Skip(_oWinStartIndex).Take(length).Sum();

            return result;
        }

    }
}