using NPOI.SS.Formula.Functions;
using ProductionLineMonitor.Core.IRepositories;
using ProductionLineMonitor.Core.Utils;
using ProductionLineMonitor.Web.Services;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProductionLineMonitor.Application.Services.EnergyConsumptionService.Dtos
{
    public class LineEnergyConsumptionDto
    {
        public LineEnergyConsumptionDto(string id, string name)
        {
            LineId = id;
            LineName = name;
        }
        public string LineId { get; set; }
        public string LineName { get; set; }
        public double ElectricEnergiy
        {
            get
            {
                return Math.Round(MachineElectricEnergiy.Sum(), 2);
            }
        }
        public double[] MachineElectricEnergiy { get; set; } = new double[7];
        public IList<ElectricEnergyMeterDataDto> ElectricEnergyMeterDtos { get; set; } 
            = new List<ElectricEnergyMeterDataDto>();
    }

    public class EnergyConsumptionReportDto
    {
        public EnergyConsumptionReportDto(string startDate, string endDate, IUnitOfWork unitOfWork)
        {
            StartDate = Convert.ToDateTime($"{startDate} 08:00:00");
            EndDate = Convert.ToDateTime($"{endDate} 08:00:00").AddDays(1);

            var lines = unitOfWork.ProductionLineRepository.GetList()
                .OrderBy(o => o.Order).ToList();
            var machines = unitOfWork.MachineRepository.GetList()
                .OrderBy(o => o.ProductionLineOrder).ToList();

            foreach (var line in lines)
            {
                if (machines.Where(x => x.ProductionLineId == line.Id).Count() > 0)
                {
                    LineEnergyConsumptionDto dto = new LineEnergyConsumptionDto(line.Id, line.Name);
                    LineDtos.Add(dto);
                }
            }

            foreach (var line in LineDtos)
            {
                var ms = machines.Where(x => x.ProductionLineId == line.LineId);
                double electricEnergiy = 0;
                foreach (var machine in ms)
                {
                    int index = -1;
                    switch (machine.Type)
                    {
                        case "AG + FPL": index = 0; break;
                        case "FPL": index = 0; break;
                        case "COG": index = 1; break;
                        case "FOG": index = 2; break;
                        case "BT":  index = 3; break;
                        case "PS":  index = 4; break;
                        case "TP":  index = 5; break;
                        case "EC":  index = 6; break;
                        default: break;
                    }
                    if (index != -1)
                    {
                        var ees = MesApiService.GetPowerByEqpAndMonth(machine.Topic, startDate, endDate);
                        if (ees != null)
                        {
                            DateTime[] dts = ees
                                .OrderBy(o => o.DataTime)
                                .Select(x => x.DataTime)
                                .Distinct().ToArray();
                            if (dts.Count() >= 2)
                            {
                                int i = dts.Length - 1;
                                double electricEnergiy0 = ees.Where(x => x.DataTime == dts[i - 1]).Sum(x => x.ElectricEnergy);
                                double electricEnergiy1 = ees.Where(x => x.DataTime == dts[i]).Sum(x => x.ElectricEnergy);
                                electricEnergiy = electricEnergiy1 - electricEnergiy0;
                            }
                        }
                        line.MachineElectricEnergiy[index] = Math.Round(electricEnergiy, 2);
                    }
                }
            }
        }

        public EnergyConsumptionReportDto(DateTime startDate, DateTime endDate, IUnitOfWork unitOfWork)
        {
            StartDate = startDate;
            EndDate = endDate;

            var lines = unitOfWork.ProductionLineRepository.GetList()
                .OrderBy(o => o.Order).ToList();
            var machines = unitOfWork.MachineRepository.GetList()
                .OrderBy(o => o.ProductionLineOrder).ToList();

            foreach (var line in lines)
            {
                if (machines.Where(x => x.ProductionLineId == line.Id).Count() > 0)
                {
                    LineEnergyConsumptionDto dto = new LineEnergyConsumptionDto(line.Id, line.Name);
                    LineDtos.Add(dto);
                }
            }

            foreach (var line in LineDtos)
            {
                var ms = machines.Where(x => x.ProductionLineId == line.LineId);
                double electricEnergiy = 0;
                foreach (var machine in ms)
                {
                    int index = -1;
                    switch (machine.Type)
                    {
                        case "AG + FPL": index = 0; break;
                        case "FPL": index = 0; break;
                        case "COG": index = 1; break;
                        case "FOG": index = 2; break;
                        case "BT": index = 3; break;
                        case "PS": index = 4; break;
                        case "TP": index = 5; break;
                        case "EC": index = 6; break;
                        default: break;
                    }
                    if (index != -1)
                    {
                        var ees = MesApiService.GetPowerByEqpAndMonth(
                            machine.Topic, 
                            startDate.ToString("yyyy-MM-dd HH:mm:ss"), 
                            endDate.ToString("yyyy-MM-dd HH:mm:ss"));
                        if (ees != null)
                        {
                            DateTime[] dts = ees
                                .OrderBy(o => o.DataTime)
                                .Select(x => x.DataTime)
                                .Distinct().ToArray();
                            if (dts.Count() >= 2)
                            {
                                int i = dts.Length - 1;
                                double electricEnergiy0 = ees.Where(x => x.DataTime == dts[i - 1]).Sum(x => x.ElectricEnergy);
                                double electricEnergiy1 = ees.Where(x => x.DataTime == dts[i]).Sum(x => x.ElectricEnergy);
                                electricEnergiy = electricEnergiy1 - electricEnergiy0;
                            }
                        }
                        line.MachineElectricEnergiy[index] = Math.Round(electricEnergiy, 2);
                    }
                }
            }
        }

        public DateTime StartDate { get; set; }
        public DateTime EndDate { get; set; }
        public List<LineEnergyConsumptionDto> LineDtos { get; set; }
            = new List<LineEnergyConsumptionDto>();
    }
}