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

        const double _coef = 1e8 * 2.54 * 2.54 * 4 * 6 * 2 * 11 * 77 * 0.2 / 0.6;

        private static (double, double) GetFarInterplolateResult(string modelId, double porosity, double sw, double speed, double depth)
        {
            var cWinLength = _cWinEndIndex - _cWinStartIndex + 1;
            var oWinLength = _oWinEndIndex - _oWinStartIndex + 1;
            var oilLine = RepositoryInstance.Instance.COFarResultRepository?.GetCOFarResult(modelId, (int)porosity, 0);
            var waterLine = RepositoryInstance.Instance.COFarResultRepository?.GetCOFarResult(modelId, (int)porosity, 100);
            if (oilLine == null || waterLine == null)
                throw new InvalidDataException("COFarResult Line is null");
            var oilLineValArr = oilLine.InelasticSpec.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
            var waterLineValArr = waterLine.InelasticSpec.Split(',').Select(v => Convert.ToDouble(v)).ToArray();

            var oilLineC = oilLineValArr.Skip(_cWinStartIndex).Take(cWinLength).Sum() * _coef / speed * depth * 0.07;
            var oilLineO = oilLineValArr.Skip(_oWinStartIndex).Take(oWinLength).Sum() * _coef / speed * depth * 0.07;

            var waterLineC = waterLineValArr.Skip(_cWinStartIndex).Take(cWinLength).Sum() * _coef / speed * depth * 0.07;
            var waterLineO = waterLineValArr.Skip(_oWinStartIndex).Take(oWinLength).Sum() * _coef / speed * depth * 0.07;

            double cRes = 0, oRes = 0;
            if (sw == 0)
            {
                cRes = waterLineC;
                oRes = waterLineO;
            }
            else if (sw == 100)
            {
                cRes = waterLineC;
                oRes = waterLineO;
            }
            else if (sw > 0 && sw < 100)
            {
                cRes = Utility.Interpolate(sw, 100, waterLineC, 0, oilLineC);
                oRes = Utility.Interpolate(sw, 0, oilLineO, 100, waterLineO);
            }
            return (cRes, oRes);
        }

        private static (double, double) GetNearInterplolateResult(string modelId, double porosity, double sw, double speed, double depth)
        {
            var cWinLength = _cWinEndIndex - _cWinStartIndex + 1;
            var oWinLength = _oWinEndIndex - _oWinStartIndex + 1;
            var oilLine = RepositoryInstance.Instance.CONearResultRepository?.GetCONearResult(modelId, (int)porosity, 0);
            var waterLine = RepositoryInstance.Instance.CONearResultRepository?.GetCONearResult(modelId, (int)porosity, 100);
            if (oilLine == null || waterLine == null)
                throw new InvalidDataException("COFarResult Line is null");
            var oilLineValArr = oilLine.InelasticSpec.Split(',').Select(v => Convert.ToDouble(v)).ToArray();
            var waterLineValArr = waterLine.InelasticSpec.Split(',').Select(v => Convert.ToDouble(v)).ToArray();

            var oilLineC = oilLineValArr.Skip(_cWinStartIndex).Take(cWinLength).Sum() * _coef / speed * depth * 0.07;
            var oilLineO = oilLineValArr.Skip(_oWinStartIndex).Take(oWinLength).Sum() * _coef / speed * depth * 0.07;

            var waterLineC = waterLineValArr.Skip(_cWinStartIndex).Take(cWinLength).Sum() * _coef / speed * depth * 0.07;
            var waterLineO = waterLineValArr.Skip(_oWinStartIndex).Take(oWinLength).Sum() * _coef / speed * depth * 0.07;

            double cRes = 0, oRes = 0;
            if (sw == 0)
            {
                cRes = waterLineC;
                oRes = waterLineO;
            }
            else if (sw == 100)
            {
                cRes = waterLineC;
                oRes = waterLineO;
            }
            else if (sw > 0 && sw < 100)
            {
                cRes = Utility.Interpolate(sw, 100, waterLineC, 0, oilLineC);
                oRes = Utility.Interpolate(sw, 0, oilLineO, 100, waterLineO);
            }
            return (cRes, oRes);
        }

        /// <summary>
        /// 获取远探头C或O值
        /// </summary>
        /// <param name="connectionString">数据库连接字符串</param>
        /// <param name="modelId">管柱ID</param>
        /// <param name="porosity">孔隙度</param>
        /// <param name="sw">含水饱和度</param>
        /// <param name="readSw">读取含水饱和度（0为碳，100为氧）</param>
        /// <param name="speed">测速</param>
        /// <param name="depth">深度</param>
        /// <returns>碳和氧值</returns>
        /// <exception cref="InvalidDataException">孔隙度超过范围</exception>
        public static (double, double) GetFarMergeCOResult(string modelId, double porosity, double sw, double speed, double depth)
        {
            if (porosity > 40)
                throw new InvalidDataException("Porosity value out of range!");

            (double, double) result = (0, 0);
            if (porosity % 5 == 0)
            {
                result = GetFarInterplolateResult(modelId, porosity, sw, speed, depth);
            }
            else
            {
                var ceilingPorosity = Math.Ceiling(porosity / 5) * 5;
                var ceilingResult = GetFarInterplolateResult(modelId, ceilingPorosity, sw, speed, depth);

                var floorPorosity = Math.Floor(porosity / 5) * 5;
                var floorResult = GetFarInterplolateResult(modelId, floorPorosity, sw, speed, depth);

                result.Item1 = Utility.Interpolate(porosity, floorPorosity, floorResult.Item1, ceilingPorosity, ceilingResult.Item1);
                result.Item2 = Utility.Interpolate(porosity, floorPorosity, floorResult.Item2, ceilingPorosity, ceilingResult.Item2);
            }
            return result;
        }

        /// <summary>
        /// 获取近探头C或O值
        /// </summary>
        /// <param name="connectionString">数据库连接字符串</param>
        /// <param name="modelId">管柱ID</param>
        /// <param name="porosity">孔隙度</param>
        /// <param name="sw">含水饱和度</param>
        /// <param name="readSw">读取含水饱和度（0为碳，100为氧）</param>
        /// <param name="speed">测速</param>
        /// <param name="depth">深度</param>
        /// <returns>碳或氧值</returns>
        /// <exception cref="InvalidDataException">孔隙度超过范围</exception>
        public static (double, double) GetNearMergeCOResult(string modelId, double porosity, double sw, double speed, double depth)
        {
            if (porosity > 40)
                throw new InvalidDataException("Porosity value out of range!");

            (double, double) result = (0, 0);
            if (porosity % 5 == 0)
            {
                result = GetNearInterplolateResult(modelId, porosity, sw, speed, depth);
            }
            else
            {
                var ceilingPorosity = Math.Ceiling(porosity / 5) * 5;
                var ceilingResult = GetNearInterplolateResult(modelId, ceilingPorosity, sw, speed, depth);

                var floorPorosity = Math.Floor(porosity / 5) * 5;
                var floorResult = GetNearInterplolateResult(modelId, floorPorosity, sw, speed, depth);

                result.Item1 = Utility.Interpolate(porosity, floorPorosity, floorResult.Item1, ceilingPorosity, ceilingResult.Item1);
                result.Item2 = Utility.Interpolate(porosity, floorPorosity, floorResult.Item2, ceilingPorosity, ceilingResult.Item2);
            }
            return result;
        }
    }
}