using System.Linq;
using SHJX.Service.Model.Dao;
using System.Collections.Generic;
using System;
namespace SHJX.Service.Common.Calculate
{
    public static class SampleCalculate
    {
        /// <summary>
        /// 获取空白样的结果
        /// </summary>
        /// <param name="noneTasks"></param>
        /// <param name="blankValue"></param>
        public static double[] temp = new double[50];
        public static int tempCount = 0;
        public static void GeBlankTaskResult(this List<EquipmentTask> noneTasks, double maxVolume, out double blankValue)
        {
            if (noneTasks?.Count==0)
            {
                blankValue = 0;
                return;
            }
            if (noneTasks?.Count > 1)
            {
                var noneMaxValue = noneTasks.Max(item => item.Amount);
                var noneMinValue = noneTasks.Min(item => item.Amount);
                if (noneMaxValue >= maxVolume)
                {
                    GeBlankTaskResult( noneTasks.Where(item => item.Amount != noneMaxValue).ToList(), maxVolume, out blankValue);
                }
                if (noneMaxValue - noneMinValue > 0.8)
                {
                    GeBlankTaskResult( noneTasks.Where(item => item.Amount != noneMinValue).ToList(), maxVolume, out blankValue);
                }
                temp[tempCount++] = Math.Round(noneTasks.Average(item => item.Amount), 2);
                blankValue = temp[0];
            }
            else
            {
                var first = noneTasks?.FirstOrDefault();
                if (first?.Amount >= maxVolume)
                {
                    temp[tempCount++] = 0;
                }
                else
                    temp[tempCount++] = Math.Round(first?.Amount ?? 0, 2);
                blankValue = temp[0];
            }
            //if (noneTasks?.Count > 1)
            //{
            //    var noneMaxValue = noneTasks.Max(item => item.Amount);
            //    var noneMinValue = noneTasks.Min(item => item.Amount);
            //    if (noneMaxValue - noneMinValue <= 0.8)
            //    {
            //        blankValue = noneTasks.Average(item => item.Amount);
            //        return;
            //    }
            //    if (noneMaxValue >= maxVolume)
            //    {
            //        GeBlankTaskResult(noneTasks.Where(item => item.Amount != noneMaxValue).ToList(), maxVolume, out blankValue);
            //    }
            //    else
            //    {
            //        blankValue = noneMaxValue;
            //    }
            //}
            //else
            //{
            //    var first = noneTasks?.FirstOrDefault();
            //    blankValue = first?.Amount ?? 0;
            //}
        }

        public static void GetBDTaskResult(this List<EquipmentTask> bdTasks, double maxVolume, string level, out double bdValue)
        {
            if (bdTasks?.Count == 0)
            {
                bdValue = 0;
                return;
            }
            double bdAmount = 0;
            if (bdTasks is not null && bdTasks.Any())
            {
                List<EquipmentTask> bdTasksUsed = new List<EquipmentTask>();
                for (int i = 0; i < bdTasks.Count; i++)
                {
                    if (bdTasks[i].Amount < maxVolume)
                    {
                        bdTasksUsed.Add(bdTasks[i]);
                    }
                }
                if (bdTasksUsed.Count == 0)
                {
                    bdAmount = Math.Round(maxVolume, 2);
                }
                else
                {
                    bdAmount = Math.Round(bdTasksUsed.Average(item => Convert.ToDouble(item.Amount)), 2);
                }
                if (bdAmount == 0)
                {
                    bdValue = 0;
                }
                else
                {
                    bdValue = level switch
                    {
                        "Low" => 0.125 / bdAmount,
                        "High" => 1.25 / bdAmount,
                        _ => throw new ArgumentNullException(level)
                    };
                }
                bdValue = Math.Round(bdValue, 5);
            }
            else
            {
                bdAmount = 0;
                var first = bdTasks?.FirstOrDefault();
                if (first?.Amount >= maxVolume)
                    bdAmount = Math.Round(maxVolume, 2); 
                else
                {
                    bdAmount = Math.Round(first?.Amount ?? 0, 2);
                }
                if (bdAmount == 0)
                {
                    bdValue = 0;
                }
                else 
                { 
                    bdValue = level switch
                    {
                        "Low" => 0.125 / bdAmount,
                        "High" => 1.25 / bdAmount,
                        _ => throw new ArgumentNullException(level)
                    };
                }
                 bdValue = Math.Round(bdValue, 5);
                
                
            }
        }
    }
}