using ProductionLineMonitor.Core.Dtos;
using ProductionLineMonitor.Core.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProductionLineMonitor.Core.Services
{
    public class GlobalService
    {
        public static List<string> GetModuleTypes(List<MachineOutPutPerHour> machineOutPutPerHours)
        {
            List<string> ModuleTypes = new List<string>();
            foreach (MachineOutPutPerHour machineOutPutPerHour in machineOutPutPerHours)
            {
                if (!ModuleTypes.Any(x => x == machineOutPutPerHour.ModuleType))
                {
                    ModuleTypes.Add(machineOutPutPerHour.ModuleType);
                }
            }
            return ModuleTypes;
        }

        public static List<MachineStatisticsDto> CalculationStatistics(
            List<MachineOutPutPerHour> machineOutPutPerHours, List<Recipe> recipes, List<string> moduleTypes)
        {
            List<MachineStatisticsDto> machineStatisticsDtos = new List<MachineStatisticsDto>();
            if (recipes.Count == 0)
            {
                foreach (var item in moduleTypes)
                {
                    MachineStatisticsDto machineStatisticsDto = new MachineStatisticsDto();
                    machineStatisticsDto.ModuleType = item;
                    machineStatisticsDto.Capacity = machineOutPutPerHours.Where(x => x.ModuleType == item).Sum(x => x.OutPut);
                    machineStatisticsDtos.Add(machineStatisticsDto);
                }

                //MachineStatisticsDto machineStatisticsDto = new MachineStatisticsDto();
                //machineStatisticsDto.ModuleType = "";
                //machineStatisticsDto.Capacity = machineOutPutPerHours.Sum(x => x.OutPut);
                //machineStatisticsDtos.Add(machineStatisticsDto);

                return machineStatisticsDtos;
            }
            foreach (var recipe in recipes)
            {
                MachineStatisticsDto machineStatisticsDto = new MachineStatisticsDto();
                
                //List<MachineOutPutPerHour> outPutPerHours = machineOutPutPerHours.Where(
                //    x => (x.ModuleType == recipe.ModuleType)
                //    && (x.AutoRunTime != 0 || x.IdleTime != 0 || x.AlarmTime != 0)).ToList();

                List<MachineOutPutPerHour> outPutPerHours = machineOutPutPerHours.Where(
                    x => (x.ModuleType == recipe.ModuleType)
                    && x.AutoRunTime != 0 && x.OutPut != 0).ToList();

                machineStatisticsDto.ModuleType = recipe.ModuleType;

                double runTime = outPutPerHours.Sum(x => x.AutoRunTime).Value / 60;
                double allTime = outPutPerHours.Count * 60;

                //double runTime = outPutPerHours.Sum(x => x.AutoRunTime).Value / 60;
                //double allTime = outPutPerHours.Count * 60;

                //if (outPutPerHours != null && outPutPerHours.Count >= 2)
                //{
                //    var out1 = outPutPerHours.First();
                //    var out2 = outPutPerHours.Last();
                    
                //    //allTime = (outPutPerHours.Count - 1) * 60 + (lastOut.AutoRunTime.Value / 60) - 15;
                //    //if (outPutPerHours.Count >= 13)
                //    //    allTime -= 15;

                //    allTime = (outPutPerHours.Count - 2) * 60 
                //        + (out1.AutoRunTime.Value / 60) 
                //        + (out2.AutoRunTime.Value / 60);
                //}
                
                machineStatisticsDto.Capacity = outPutPerHours.Sum(x => x.OutPut);
                machineStatisticsDto.Quality = 1;

                if (allTime == 0 || runTime == 0)
                {
                    machineStatisticsDto.Availability = 0;
                    machineStatisticsDto.Performance = 0;
                }
                else
                {
                    machineStatisticsDto.Availability = Math.Round(runTime / allTime, 3);
                    //if (machineStatisticsDto.Availability > 1)
                    //    machineStatisticsDto.Availability = 1;

                    machineStatisticsDto.Performance = Math.Round(machineStatisticsDto.Capacity.Value * recipe.TheoryTT.Value / 60 / runTime, 3);
                    //if (machineStatisticsDto.Performance > 1)
                    //    machineStatisticsDto.Performance = 1;
                }

                machineStatisticsDto.OEE = Math.Round(
                    machineStatisticsDto.Availability.Value *
                    machineStatisticsDto.Performance.Value *
                    machineStatisticsDto.Quality.Value, 3);
                machineStatisticsDtos.Add(machineStatisticsDto);
            }
            return machineStatisticsDtos;
        }
    }
}