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

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

        public static double GetFarMergeCResult(string connectionString, string modelId, int porosity)
        {
            var repository = new COFarResultRepository(connectionString);
            var cResult = repository.GetCOFarResult(modelId, 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 result = cArr.Skip(_cWinStartIndex).Take(length).Sum();

            return result;
        }

        public static double GetFarMergeOResult(string connectionString, string modelId, int porosity)
        {
            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, int porosity)
        {
            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, int porosity)
        {
            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;
        }

    }
}