using IStation.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace IStation.WinFrmUI.Monitor
{
    public class HistoryDataAPiHelper
    {
       
        /// <summary>
        /// 模糊合并时间段
        /// </summary>
        /// <param name="Date"></param>
        /// <returns></returns>
        public List<(DateTime, DateTime, int, double, double, double)> MergeTimeSlots(List<(DateTime, DateTime, double, double, double)> Date)
        {
            if(Date==null)
                return null;
            List<(DateTime, DateTime, int, double, double, double)> mergedSlots = new List<(DateTime, DateTime, int, double, double, double)>(); // 初始化合并后的列表

            Date.Sort((x, y) => x.Item2.CompareTo(y.Item2)); // 按照起始时间排序
            if (Date.Count==0)
                return null;
            DateTime mergedStart = Date[0].Item1;
            DateTime mergedEnd = Date[0].Item2;
            int mergeCount = 1;
            double mergedDoubleELePrice = Date[0].Item3; // 电费
            double mergedDoubleWater = Date[0].Item4; // 取水量
            double mergedDoubleEle = Date[0].Item5; // 用电量

            // 从第二个时间段开始迭代
            for (int i = 1; i < Date.Count; i++)
            {
                DateTime start = Date[i].Item1;
                DateTime end = Date[i].Item2;
                double currentDouble1 = Date[i].Item3;  
                double currentDouble2 = Date[i].Item4;  
                double currentDouble3 = Date[i].Item5;  

                // 如果当前时间段与合并时间段有重叠，则合并
                if (start <= mergedStart.AddMinutes(30) && start >= mergedStart.AddMinutes(-30) &&
                    end <= mergedEnd.AddMinutes(30) && end >= mergedEnd.AddMinutes(-30))
                {
                    mergedStart = DateTime.Compare(mergedStart, start) < 0 ? mergedStart : start;
                    mergedEnd = DateTime.Compare(mergedEnd, end) < 0 ? end : mergedEnd;
                    mergeCount++;
                    mergedDoubleELePrice += currentDouble1;  
                    mergedDoubleWater += currentDouble2;  
                    mergedDoubleEle += currentDouble3;  
                }
                else
                {
                    // 将已合并的时间段添加到列表中
                    mergedSlots.Add((mergedStart, mergedEnd, mergeCount, mergedDoubleELePrice, mergedDoubleWater, mergedDoubleEle));
                    // 更新合并时间段和 double 字段为当前时间段的值
                    mergedStart = start;
                    mergedEnd = end;
                    mergeCount = 1;
                    mergedDoubleELePrice = currentDouble1;  
                    mergedDoubleWater = currentDouble2; 
                    mergedDoubleEle = currentDouble3; 
                }
            }
             // 添加最后一个时间段
            mergedSlots.Add((mergedStart, mergedEnd, mergeCount, mergedDoubleELePrice, mergedDoubleWater, mergedDoubleEle));

            return mergedSlots;
        }
    }
}