using IStation.Untity;

namespace IStation.Service
{
    /// <summary>
    /// 调度分析辅助类
    /// </summary>
    public partial class ScheduleHelper
    {

        #region ViewModel 
        private class AnalysisConclusionViewModel : Entity.AnalysisParameter
        {
            public AnalysisConclusionViewModel() { }
            public AnalysisConclusionViewModel(Entity.AnalysisParameter rhs) : base(rhs) { }
            public AnalysisConclusionViewModel(Entity.AnalysisParameter rhs, int flag) : base(rhs)
            {
                this.Flag = flag;
            }
            public int Flag { get; set; }
        }
        #endregion

        #region Private Variable

        private readonly decimal _frequency_min = 25;
        private readonly decimal _frequency_max = 50;
        private readonly decimal _frequency_space = 1;//频率间隔 

        private readonly double _start_stop_loss_coefficient = 0.9;//泵启停损失系数

        private double _sel_opt_flow_excess = 1;//可选方案的流量余量
        private readonly double _sel_opt_pump_pressure_excess = 0;//可选方案的单泵扬程默认抬升余量
        private double _station_target_flow_diff = 0; // 站点目标流量差值


        private readonly double _sel_opt_flow_deviation_ratio = 0.05;//可选方案的流量偏差比
        private readonly double _sel_opt_reasonable_flow_deviation_ratio = 0.005;//合理的方案的流量偏差比

        private readonly Service.AnalysisParameter _service_analysis_parameter = new();

        private int _min_open_count;//最小开泵数量
        private int _max_open_count;//最大开泵数量
        private List<int> _current_open_flag_list = null;// 当前开泵列表
        private List<int> _must_open_flag_list = null; // 必开泵列表  
        private List<int> _must_close_flag_list = null; // 必关泵列表
        private List<List<int>> _forbidden_flag_combine_list = null; // 禁用泵组合 
        private List<List<int>> _associative_flag_combine_list = null; // 关联泵组合 
        private List<List<int>> _same_section_flag_combine_list = null; // 同段泵组合  
        private List<Model.WaterSupplyLimit> _water_supply_limit_list = null; //供水限制列表
        private List<Model.FrequencyLimit> _frequency_limit_list = null; // 频率限制列表 
        private List<int> _priority_open_flag_list = null; // 优先开泵列表
        private List<int> _maintenance_flag_list = null; // 检修列表

         



        #endregion

        /// <summary>
        /// 初始化
        /// </summary>
        public void Initial(List<int> current_open_flag_list, Model.ScheduleConfig schedule_config)
        {
            _current_open_flag_list = current_open_flag_list;
            _min_open_count = 1;
            _max_open_count = 0;
            _must_open_flag_list = null;
            _must_close_flag_list = null;
            _forbidden_flag_combine_list = null;
            _associative_flag_combine_list = null;
            _same_section_flag_combine_list = null;
            _water_supply_limit_list = null;
            _frequency_limit_list = null; 
            _priority_open_flag_list = null;
            _maintenance_flag_list = null;
            _station_target_flow_diff = 0;
            if (schedule_config != null)
            {
                _min_open_count = schedule_config.MinOpenCount;
                _max_open_count = schedule_config.MaxOpenCount;
                _must_open_flag_list = schedule_config.MustOpenFlagList;
                _must_close_flag_list = schedule_config.MustCloseFlagList;
                _forbidden_flag_combine_list = schedule_config.ForbiddenFlagCombineList;
                _associative_flag_combine_list = schedule_config.AssociativeFlagCombineList;
                _same_section_flag_combine_list = schedule_config.SameSectionFlagCombineList;
                _water_supply_limit_list = schedule_config.WaterSupplyLimitList;
                _frequency_limit_list = schedule_config.FrequencyLimitList; 
                _priority_open_flag_list = schedule_config.PriorityOpenFlagList;
                _maintenance_flag_list = schedule_config.MaintenanceFlagList;
            } 
        }


        #region OptAnaCombine

        /// <summary>
        /// 获取最优组合
        /// </summary>
        /// <param name="pump_list"></param> 
        /// <param name="flag_inlet_water_level_dict"></param> 
        /// <param name="target_flow"></param>
        /// <param name="target_head"></param> 
        /// <returns></returns>
        public List<AnaCombine> GetAnaCombineList
            (
            List<Model.PumpModel> pump_list, 
            double target_flow,
            double target_head
            )
        {
            //获取方案时用补差的流量，供水限制用目标流量判断
            var target_flow_compensation = target_flow + _station_target_flow_diff;
            #region 初始化参数 
            if (pump_list == null || !pump_list.Any())
            {
                return default;
            }

            var current_open_flag_list = _current_open_flag_list;
            var min_open_count = _min_open_count;
            var max_open_count = _max_open_count < 1 ? pump_list.Count : _max_open_count;
            var must_open_flag_list = _must_open_flag_list;
            var must_close_flag_list = _must_close_flag_list;
            var forbidden_flag_combine_list = _forbidden_flag_combine_list;
            var associative_flag_combine_list = _associative_flag_combine_list;
            var same_section_flag_combine_list = _same_section_flag_combine_list;
            var water_supply_limit_list = _water_supply_limit_list;
            var frequency_limit_list = _frequency_limit_list; 
            var priority_open_flag_list = _priority_open_flag_list;
            var maintenance_flag_list = _maintenance_flag_list;

            var pump_bp_dict = pump_list.ToDictionary(x => x.Flag, x => x.IsBp);
            var pump_nr_dict = pump_list.ToDictionary(x => x.Flag, x => x.Nr);
            var pump_flag_list = pump_list.Select(x => x.Flag).ToList();

            var combine_merit_ratio = 1d;//组合择优率 

            target_flow = Math.Round(target_flow, 1);
            target_flow_compensation = Math.Round(target_flow_compensation,1);
            target_head = Math.Round(target_head, 1);

            #endregion

            #region 初始化规则

            #region 存在-必开泵列表

            var must_open_flag_list_remark = string.Empty;
            var exist_must_open_flag_list = must_open_flag_list != null && must_open_flag_list.Count > 0;
            if (exist_must_open_flag_list)
            {
                must_open_flag_list = must_open_flag_list.OrderBy(x => x).ToList();
                must_open_flag_list_remark = IntListHelper.ToString(must_open_flag_list);
            }

            #endregion

            #region 存在-必关泵列表

            var exist_must_close_flag_list = must_close_flag_list != null && must_close_flag_list.Count > 0;

            #endregion

            #region 存在-禁用组合

            var exist_forbidden_flag_combine_list = forbidden_flag_combine_list != null && forbidden_flag_combine_list.Count > 0;

            #endregion

            #region 存在-关联组合

            var exist_associative_flag_combine_list = associative_flag_combine_list != null && associative_flag_combine_list.Count > 0;

            #endregion 

            #region 存在-同段泵组合

            Dictionary<int, List<int[]>> same_section_combine_dict = new();
            var exist_same_section_flag_combine_list = same_section_flag_combine_list != null && same_section_flag_combine_list.Count > 0;
            if (exist_same_section_flag_combine_list)
            {
                same_section_combine_dict = GetSameSectionCombineDict(same_section_flag_combine_list, pump_list.Count);
            }

            #endregion

            #region 存在-供水限制

            var exist_water_supply_limit_list = water_supply_limit_list != null && water_supply_limit_list.Count > 0;
            if (exist_water_supply_limit_list)
            {
                var water_supply_min = water_supply_limit_list.Min(x => x.Min);
                var water_supply_max = water_supply_limit_list.Max(x => x.Max);

#if DEBUG
                water_supply_min = 0;
#endif
                if (target_flow < water_supply_min || target_flow > water_supply_max)
                {
                    return default;
                }
            }

            #endregion

            #region 存在-频率限制

            var frequency_limit_flag_dict = new Dictionary<int, Model.FrequencyLimit>();
            var exist_frequency_limit_list = frequency_limit_list != null && frequency_limit_list.Count > 0;
            if (exist_frequency_limit_list)
            {
                frequency_limit_flag_dict = frequency_limit_list.ToDictionary(x => x.Flag, x => x);
            }

            #endregion
             

            #region 存在-优先开泵列表

            var priority_open_flag_list_remark = string.Empty;
            var exist_priority_open_flag_list = priority_open_flag_list != null && priority_open_flag_list.Count > 0;
            if (exist_priority_open_flag_list)
            {
                priority_open_flag_list = priority_open_flag_list.OrderBy(x => x).ToList();
                priority_open_flag_list_remark = IntListHelper.ToString(priority_open_flag_list);
            }

            #endregion

            #region 存在-检修列表

            var exist_maintenance_flag_list = maintenance_flag_list != null && maintenance_flag_list.Count > 0;
             
            #endregion

            #region 存在-当前开泵列表 (是否切泵)

            var exist_current_open_flag_list = current_open_flag_list != null && current_open_flag_list.Count > 0;
            if (exist_current_open_flag_list)
            {
                //供水限制
                var exist_limit = false;
                if (exist_water_supply_limit_list)
                {
                    var limit = water_supply_limit_list.Find(x => x.PumpCount == current_open_flag_list.Count);
                    if (limit != null)
                    {
                        if (target_flow < limit.Min || target_flow > limit.Max)
                        {
                            exist_limit = true;
                        }
                    }
                }
                if (!exist_limit)
                {
                    var current_ana_combine_list = GetOptAnaCombine
                       (
                       current_open_flag_list,
                       combine_merit_ratio,
                       pump_nr_dict,
                       pump_bp_dict,
                       exist_frequency_limit_list,
                       frequency_limit_flag_dict,
                       target_flow_compensation,
                       target_head
                       );
                    if (current_ana_combine_list != null)
                        return current_ana_combine_list;
                }
            }

            #endregion


            #endregion

            #region 调度分析

            var ana_combine_list = new List<AnaCombine>();
            for (int pump_count = min_open_count; pump_count <= max_open_count; pump_count++)
            {
                if (pump_count == 1)
                {
                    var max_total_flow = pump_list.Max(x => x.Qr);
                    if (max_total_flow < target_flow)
                        continue;
                }

                #region 供水限制

                //供水限制
                if (exist_water_supply_limit_list)
                {
                    var exist_limit = false;
                    foreach (var limit in water_supply_limit_list)
                    {
                        if (limit.PumpCount == pump_count)
                        {
                            if (target_flow < limit.Min || target_flow > limit.Max)
                            {
                                exist_limit = true;
                                break;
                            }
                        }
                    }
                    if (exist_limit)
                        continue;
                }

                #endregion

                var combine_list = GetCombineList(pump_flag_list, pump_count);//排列组合
                foreach (var combine in combine_list)
                {
                    combine_merit_ratio = 1;

                    #region 规则过滤
                    //必开
                    if (exist_must_open_flag_list)
                    {
                        var combine_remark = IntListHelper.ToString(combine.OrderBy(x => x));
                        if (!combine_remark.Contains(must_open_flag_list_remark))
                            continue;
                    }

                    //必关
                    if (exist_must_close_flag_list)
                    {
                        var exist_intersected = combine.Intersect(must_close_flag_list).Count() > 0;
                        if (exist_intersected)
                            continue;
                    }

                    //禁用组合
                    if (exist_forbidden_flag_combine_list)
                    {
                        var exist_equal = false;
                        foreach (var flag_list in forbidden_flag_combine_list)
                        {
                            if (combine.SequenceEqual(flag_list))
                            {
                                exist_equal = true;
                                break;
                            }
                        }
                        if (exist_equal)
                            continue;
                    }

                    //同段泵组合
                    if (exist_same_section_flag_combine_list)
                    {
                        var exist_equal = false;
                        foreach (var flag_list in same_section_combine_dict[pump_count])
                        {
                            //相同
                            if (combine.SequenceEqual(flag_list))
                            {
                                exist_equal = true;
                                break;
                            }

                            //包含
                            if (flag_list.Intersect(combine).Count() == flag_list.Length)
                            {
                                exist_equal = true;
                                break;
                            }
                        }
                        if (exist_equal)
                            continue;
                    }

                    //关联组合
                    if (exist_associative_flag_combine_list)
                    {
                        var exist_intersected = false;
                        foreach (var flag_list in associative_flag_combine_list)
                        {
                            var except_count = combine.Except(flag_list).Count();
                            if (except_count != flag_list.Count && except_count > 0)
                            {
                                exist_intersected = true;
                            }
                        }
                        if (exist_intersected)
                            continue;
                    }

                    //当前开泵列表 
                    int start_stop_count = 0;//启停数量 
                    if (exist_current_open_flag_list)
                    {
                        var start_pump_count = combine.Except(current_open_flag_list).Count();
                        var close_pump_count = current_open_flag_list.Except(combine).Count();
                        start_stop_count = start_pump_count + close_pump_count;//启停数量 
                    }
                    else
                    {
                        start_stop_count = combine.Count();
                        if (exist_must_open_flag_list)
                        {
                            start_stop_count = combine.Except(must_open_flag_list).Count();
                        }
                    }

                    //优先开泵列表
                    if (exist_priority_open_flag_list)
                    {
                        //目前逻辑 优先开泵==必开方案
                        var combine_remark = IntListHelper.ToString(combine.OrderBy(x => x));
                        if (!combine_remark.Contains(priority_open_flag_list_remark))
                            continue;
                    }

                    //检修列表 
                    if (exist_maintenance_flag_list)
                    {
                        var exist_intersected = combine.Intersect(maintenance_flag_list).Count() > 0;
                        if (exist_intersected)
                            continue;
                    }


                    #endregion

                    var total_loss_ratio = Math.Pow(_start_stop_loss_coefficient, start_stop_count);//启停一次损失些能耗
                    combine_merit_ratio *= total_loss_ratio;

                    var current_ana_combine_list = GetOptAnaCombine
                        (
                        combine,
                        combine_merit_ratio,
                        pump_nr_dict,
                        pump_bp_dict,
                        exist_frequency_limit_list,
                        frequency_limit_flag_dict,
                        target_flow_compensation,
                        target_head
                        );
                    if (current_ana_combine_list == null)
                        continue;
                    ana_combine_list.AddRange(current_ana_combine_list);
                }

                // 20250422 注释原因：供水范围会有重叠，考虑切泵操作
                //如果当前循环已经满足，不需要再加泵
                //if (opt_ana_combine_list.Any())
                //{
                //    break;
                //}
            }

            if (ana_combine_list.Count < 1)
                return default;

            ana_combine_list = ana_combine_list.OrderBy(x => x.TotalPower).OrderByDescending(x => x.MeritRatio).ToList(); 
            return ana_combine_list;

            #endregion

        }


        /// <summary>
        /// 获取最优组合
        /// </summary>
        /// <param name="combine"></param>
        /// <param name="combine_merit_ratio"></param>
        /// <param name="flag_inlet_water_level_dict"></param>
        /// <param name="pump_nr_dict"></param>
        /// <param name="pump_bp_dict"></param>
        /// <param name="exist_frequency_limit_list"></param>
        /// <param name="frequency_limit_flag_dict"></param>
        /// <param name="target_flow"></param>
        /// <param name="target_head"></param>
        /// <returns></returns>
        private List<AnaCombine> GetOptAnaCombine
            (
            IEnumerable<int> combine,
            double combine_merit_ratio,
            Dictionary<int, double> pump_nr_dict,
            Dictionary<int, bool> pump_bp_dict,
            bool exist_frequency_limit_list,
            Dictionary<int, Model.FrequencyLimit> frequency_limit_flag_dict,
            double target_flow,
            double target_head
            )
        {
            if (combine == null || !combine.Any())
                return default;

            //先修正组合曲线和模型的偏差扬程

            var conclusion_ex_list_list = new List<List<AnalysisConclusionViewModel>>();
            var conclusion_ex_list_dict = new Dictionary<int, List<AnalysisConclusionViewModel>>();
            double max_supply_flow = 0;
            foreach (var flag in combine)
            {
                var run_flag = RunFlagHelper.Get(flag, pump_bp_dict[flag]);

                //进口水位
                var inlet_water_level = 0;

                //组合偏差系数 
                var current_head = target_head - inlet_water_level + _sel_opt_pump_pressure_excess;

                current_head = Math.Round(current_head, 1);

                //频率限制
                var conclusion_list = new List<Entity.AnalysisParameter>();
                if (exist_frequency_limit_list && frequency_limit_flag_dict.ContainsKey(flag))
                {
                    var limit = frequency_limit_flag_dict[flag];
                    conclusion_list = _service_analysis_parameter.GetHeadList(run_flag, limit.Min, limit.Max, current_head);
                }
                else
                {

                    //定频泵 可能最小压差超过目标压差
                    var min_head_conclusion = _service_analysis_parameter.GetMinHead(run_flag);
                    if (min_head_conclusion != null && min_head_conclusion.Head > current_head)
                    {
                        conclusion_list = new List<Entity.AnalysisParameter>() { min_head_conclusion };
                    }
                    else
                    {
                        var is_bp = pump_bp_dict[flag];
                        if (is_bp)
                        {
                            conclusion_list = _service_analysis_parameter.GetHeadList(run_flag, current_head);
                        }
                        else
                        {
                            var list = _service_analysis_parameter.GetList(run_flag);
                            conclusion_list = _service_analysis_parameter.GetHeadList(run_flag, current_head);
                        }
                    }
                }
                if (conclusion_list == null || !conclusion_list.Any())
                {
                    break;
                }
                max_supply_flow += conclusion_list.Max(x => x.Flow);
                var conclusion_ex_list = conclusion_list.Select(x => new AnalysisConclusionViewModel(x, flag)).ToList();
                conclusion_ex_list_list.Add(conclusion_ex_list);
                conclusion_ex_list_dict[flag] = conclusion_ex_list;
            }

            if (conclusion_ex_list_list.Count != combine.Count())
                return default;

            if (max_supply_flow < target_flow * _sel_opt_flow_excess)
            { 
                var flow_excess = target_flow * _sel_opt_flow_excess;
                if (max_supply_flow < flow_excess)
                    return default;
            }

            var temp_ana_combine_list = GetOptAnaCombine(conclusion_ex_list_dict, pump_nr_dict, pump_bp_dict, target_flow);
            if (temp_ana_combine_list == null || !temp_ana_combine_list.Any())
                return default; 
            temp_ana_combine_list = temp_ana_combine_list.OrderBy(x => x.TotalFlow).ToList();

            var ana_combine_list = new List<AnaCombine>();
            foreach (var ana_combine in temp_ana_combine_list)
            {
                var total_flow = ana_combine.TotalFlow;
                var total_power = ana_combine.TotalPower;
                if (total_flow < target_flow * _sel_opt_flow_excess)
                    return default;


                var total_flow_deviation_ratio = Math.Abs(1 - Math.Abs(total_flow / target_flow));
                if (total_flow_deviation_ratio > _sel_opt_flow_deviation_ratio)
                    continue;
                if (total_flow_deviation_ratio > _sel_opt_reasonable_flow_deviation_ratio)
                {
                    combine_merit_ratio -= total_flow_deviation_ratio;
                }

                double eff = 0, wp = 0, uwp = 0;
                wp = Model.CurveCalcuHelper.CalculateWP(total_power, total_flow);
                foreach (var ana_pump in ana_combine.AnaFrePumps)
                {
                    var pump_flow = ana_pump.Flow;
                    var pump_eff = ana_pump.Eff;
                    var pump_uwp = ana_pump.UWP;

                    eff += pump_eff * pump_flow / total_flow;
                    uwp += pump_uwp * pump_flow / total_flow;
                }

                ana_combine.TotalFlow = total_flow;
                ana_combine.TotalHead = target_head;
                ana_combine.TotalPower = total_power;
                ana_combine.TotalEfficiency = eff;
                ana_combine.WP = wp;
                ana_combine.UWP = uwp;
                ana_combine.MeritRatio = combine_merit_ratio;
                ana_combine_list.Add(ana_combine);
            }
            return  ana_combine_list;

        }


        /// <summary>
        /// 获取最优组合
        /// </summary>
        /// <param name="conclusion_ex_list_dict"></param>
        /// <param name="pump_nr_dict"></param>
        /// <param name="pump_bp_dict"></param>
        /// <param name="target_flow"></param>
        /// <returns></returns>
        private List<AnaCombine> GetOptAnaCombine(
            Dictionary<int, List<AnalysisConclusionViewModel>> conclusion_ex_list_dict,
            Dictionary<int, double> pump_nr_dict,
            Dictionary<int, bool> pump_bp_dict,
            double target_flow
            )
        {
            if (conclusion_ex_list_dict == null || !conclusion_ex_list_dict.Any())
                return default;
            var frequency_min = (double)_frequency_min;
            var frequency_max = (double)_frequency_max;
            var frequency_space = (double)_frequency_space;

            var all_fre_conclusion_ex_list_list = new List<List<AnalysisConclusionViewModel>>();
            var all_fix_conclusion_ex_list_list = new List<List<AnalysisConclusionViewModel>>();
            foreach (var item in conclusion_ex_list_dict)
            {
                var flag = item.Key;
                var cl_list = item.Value;
                if (pump_bp_dict[flag])
                {
                    all_fre_conclusion_ex_list_list.Add(cl_list);
                }
                else
                {
                    all_fix_conclusion_ex_list_list.Add(cl_list);
                }
            }
            var cl_ex_list_list_list = new List<List<List<AnalysisConclusionViewModel>>>();


            //默认1hz内能求出满足目标需求的排列组合，不满足继续迭代
            var frequency_iteration_count = 5;//频率迭代次数
            var frequency_iteration_space = 1d;//频率迭代间隔
            for (int i = 0; i < frequency_iteration_count; i++)
            {
                var current_frequency_space = frequency_space + (i * frequency_iteration_space);
                cl_ex_list_list_list = FrequencyFilters(target_flow, frequency_min, frequency_max, current_frequency_space, all_fre_conclusion_ex_list_list, all_fix_conclusion_ex_list_list);
                if (cl_ex_list_list_list.Any())
                {
                    break;
                }
            }

            if (!cl_ex_list_list_list.Any())
            {
                return default;
            }

            //分组排列组合求最优
            var ana_combine_list = new List<AnaCombine>();
            foreach (var item_cl_ex_list_list in cl_ex_list_list_list)
            {
                var cl_ex_list_list = CartesianProduct(item_cl_ex_list_list, target_flow);
                var opt_cl_ex_list = cl_ex_list_list.OrderBy(x => x.Sum(x => x.Power)).FirstOrDefault();
                if (opt_cl_ex_list != null && opt_cl_ex_list.Any())
                {
                    var ana_combine = new AnaCombine();
                    ana_combine.Flags = new List<int>();
                    ana_combine.AnaFrePumps = new List<AnaFrePump>();
                    foreach (var opt_cl_ex in opt_cl_ex_list)
                    {
                        var flag = opt_cl_ex.Flag;
                        ana_combine.Flags.Add(flag);
                        ana_combine.TotalFlow += opt_cl_ex.Flow;
                        ana_combine.TotalPower += opt_cl_ex.Power;

                        var ana_fre_pump = new AnaFrePump();
                        ana_fre_pump.Flag = flag;
                        ana_fre_pump.Flow = opt_cl_ex.Flow;
                        ana_fre_pump.Head = opt_cl_ex.Head;
                        ana_fre_pump.Power = opt_cl_ex.Power;
                        ana_fre_pump.Eff = opt_cl_ex.Eff;
                         ana_fre_pump.WP = Model.CurveCalcuHelper.CalculateWP(ana_fre_pump.Power, ana_fre_pump.Flow);
                        ana_fre_pump.UWP = Model.CurveCalcuHelper.CalculateUWP(ana_fre_pump.Power, ana_fre_pump.Flow, ana_fre_pump.Head);
                        ana_fre_pump.Frequency = opt_cl_ex.Hz;
                        ana_fre_pump.Speed = opt_cl_ex.Hz / 50 * pump_nr_dict[flag];
                        ana_combine.AnaFrePumps.Add(ana_fre_pump);
                    }

                    ana_combine.FlagCount = opt_cl_ex_list.Count;
                    ana_combine.Remark = IntListHelper.ToString(ana_combine.Flags);
                    ana_combine_list.Add(ana_combine);
                }
            }
            if (!ana_combine_list.Any())
                return default;
            ana_combine_list = ana_combine_list.ToList();
            return ana_combine_list;
            //var opt_ana_combine = ana_combine_list.OrderBy(x => x.TotalFlow).OrderBy(x => x.TotalPower).First();
            //return opt_ana_combine;
        }


        /// <summary>
        /// 获取同段泵组合
        /// </summary>
        /// <param name="same_section_flag_combine_list"></param>
        /// <param name="pump_list_count"></param>
        /// <returns></returns>
        public Dictionary<int, List<int[]>> GetSameSectionCombineDict(List<List<int>> same_section_flag_combine_list, int pump_list_count)
        {
            Dictionary<int, List<int[]>> same_section_combine_dict = new();
            for (int pump_count = 1; pump_count <= pump_list_count; pump_count++)
            {
                same_section_combine_dict[pump_count] = new List<int[]>();
                switch (pump_count)
                {
                    case 2:
                        {
                            foreach (var same_section_flag_combine in same_section_flag_combine_list)
                            {
                                var combine_list = GetCombineList(same_section_flag_combine, 2);
                                same_section_combine_dict[pump_count].AddRange(combine_list);
                            }
                        }
                        break;
                    case 3:
                        {
                            foreach (var same_section in same_section_flag_combine_list)
                            {
                                var combine_list = GetCombineList(same_section, 3);
                                same_section_combine_dict[pump_count].AddRange(combine_list);
                            }
                        }
                        break;
                    case 4:
                        {
                            foreach (var same_section in same_section_flag_combine_list)
                            {
                                var combine_list3 = GetCombineList(same_section, 3);
                                same_section_combine_dict[pump_count].AddRange(combine_list3);
                                if (same_section.Count > 3)
                                {
                                    var combine_list = GetCombineList(same_section, 4);
                                    same_section_combine_dict[pump_count].AddRange(combine_list);
                                }
                            }
                        }
                        break;
                    case 5:
                        {
                            foreach (var same_section in same_section_flag_combine_list)
                            {
                                if (same_section.Count > 3)
                                {
                                    var combine_list = GetCombineList(same_section, 4);
                                    same_section_combine_dict[pump_count].AddRange(combine_list);
                                }
                            }
                        }
                        break;
                    case 6:
                        {
                            foreach (var same_section in same_section_flag_combine_list)
                            {
                                if (same_section.Count > 3)
                                {
                                    var combine_list = GetCombineList(same_section, 4);
                                    same_section_combine_dict[pump_count].AddRange(combine_list);
                                }
                            }
                        }
                        break;
                    default:
                        break;
                }
            }

            return same_section_combine_dict;
        }

        /// <summary>
        /// 获取泵累计运行时长损失系数字典
        /// </summary>
        /// <param name="flag_cumulative_runtime_dict"></param>
        /// <returns></returns>
        public Dictionary<int, double> GetFlagCumulativeRuntimeLossRatioDict(Dictionary<int, double> flag_cumulative_runtime_dict)
        {
            var rating_value = 24 * 5;
            var flag_cumulative_runtime_loss_ratio_dict = new Dictionary<int, double>();
            foreach (var item in flag_cumulative_runtime_dict)
            {
                var flag = item.Key;
                var cumulative_runtime = item.Value;
                var level = cumulative_runtime / rating_value / 100;
                var loss_ratio = 1 - level;
                flag_cumulative_runtime_loss_ratio_dict.Add(flag, loss_ratio);
            }
            return flag_cumulative_runtime_loss_ratio_dict;
        }

        /// <summary>
        /// 过滤频率分组
        /// </summary>
        /// <param name="target_flow"></param>
        /// <param name="frequency_min"></param>
        /// <param name="frequency_max"></param>
        /// <param name="frequency_space"></param>
        /// <param name="all_fre_conclusion_ex_list_list"></param>
        /// <param name="all_fix_conclusion_ex_list_list"></param> 
        /// <returns></returns>
        private List<List<List<AnalysisConclusionViewModel>>> FrequencyFilters(
            double target_flow,
            double frequency_min,
            double frequency_max,
            double frequency_space,
            List<List<AnalysisConclusionViewModel>> all_fre_conclusion_ex_list_list,
            List<List<AnalysisConclusionViewModel>> all_fix_conclusion_ex_list_list)
        {
            double fix_total_flow = 0;
            var exist_all_fix_conclusion_ex_list_list = all_fix_conclusion_ex_list_list.Any();
            if (exist_all_fix_conclusion_ex_list_list)
            {
                fix_total_flow = all_fix_conclusion_ex_list_list.Sum(x => x.Sum(x => x.Flow));
            }

            //频率按间隔分组
            var cl_ex_list_list_list = new List<List<List<AnalysisConclusionViewModel>>>();
            for (double fre_current_min = frequency_min; fre_current_min <= frequency_max; fre_current_min++)
            {
                var fre_current_max = fre_current_min + frequency_space;
                var skip_current = false;
                var total_flow_current = 0d;
                var cl_ex_list_list = new List<List<AnalysisConclusionViewModel>>();
                foreach (var conclusion_ex_list in all_fre_conclusion_ex_list_list)
                {
                    var cl_ex_list = conclusion_ex_list.Where(x => x.Hz <= fre_current_max && x.Hz >= fre_current_min).ToList();
                    if (cl_ex_list == null || !cl_ex_list.Any())
                    {
                        skip_current = true;
                        break;
                    }
                    total_flow_current += cl_ex_list.Max(x => x.Flow);
                    cl_ex_list_list.Add(cl_ex_list);
                }
                if (skip_current)
                    continue;
                if (exist_all_fix_conclusion_ex_list_list)
                {
                    total_flow_current += fix_total_flow;
                    cl_ex_list_list.AddRange(all_fix_conclusion_ex_list_list);
                }
                if (total_flow_current < target_flow * _sel_opt_flow_excess)
                    continue;
                cl_ex_list_list_list.Add(cl_ex_list_list);
            }
            return cl_ex_list_list_list;
        }


        /// <summary>
        /// 获取排列组合列表(笛卡尔乘积)
        /// </summary>
        private List<List<AnalysisConclusionViewModel>> CartesianProduct(List<List<AnalysisConclusionViewModel>> lstSplit, double target_flow)
        {
            long count = 1;
            lstSplit.ForEach(item => count *= item.Count);
            var lstResult = new List<List<AnalysisConclusionViewModel>>();
            for (long i = 0; i < count; ++i)
            {
                var lstTemp = new List<AnalysisConclusionViewModel>();
                long j = 1;
                var lstFre = new List<double>();
                double totalFlow = 0;
                lstSplit.ForEach(item =>
                {
                    j *= item.Count;
                    var index = (i / (count / j)) % item.Count;
                    var index_int = (int)index;
                    var obj = item[index_int];
                    totalFlow += obj.Flow;
                    lstTemp.Add(obj);
                });
                if (totalFlow < target_flow * _sel_opt_flow_excess)
                    continue;
                lstResult.Add(lstTemp);
            }
            return lstResult;
        }


        /// <summary>
        /// 获取排列组合
        /// </summary>
        /// <param name="flags"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        private List<int[]> GetCombineList(List<int> flags, int count)
        {
            var combine = Model.PermutationAndCombination<int>.GetCombination(flags.ToArray(), count);
            return combine;
        }

 

        #endregion
         

    }
}