using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using GWMS.UI.Data;
using GWMS.Data.DTO;
using Microsoft.AspNetCore.Components;
using Blazorise.Charts;
using System.Threading;
using Microsoft.Extensions.Configuration;

namespace GWMS.UI.Components
{
    public partial class PlantOverview
    {
        #region Protected Fields

        protected PlantDTO _currItem = new PlantDTO();

        protected LineChart<double> LevelVal = new LineChart<double>();

        protected object lineChartOptions = new
        {
            Scales = new
            {
                XAxes = new object[]
                 {
                     new {
                         display = true,
                         //type = "timeseries",
                         //type = "time",
                         //Time = new {
                         //    unit="day"
                         //}
                     }
                 },
                YAxes = new object[]
                {
                    new {
                        display = true,
                        position = "right",
                        //text    = "Kg",
                        ticks = new {
                            suggestedMin = 0,
                            suggestedMax = 30000
                        }
                    }
                }
            },
            Tooltips = new
            {
                Mode = "nearest",
                Intersect = false
            },
            Hover = new
            {
                Mode = "nearest",
                Intersect = false
            },
            Animation = false,
            Responsive = true,
            AspectRatio = 2,
            type = "line",
            Legend = new
            {
                display = false
            }
        };

        /// <summary>
        /// fattore di riduzione x visualizzare meno punti (in base alla numerosità...
        /// </summary>
        protected int redFact = 1;

        #endregion Protected Fields

        #region Private Properties

        [Inject]
        private IConfiguration Configuration { get; set; }

        [Inject]
        private NavigationManager NavManager { get; set; }

        private int SelPlantId
        {
            get
            {
                int answ = 0;
                if (AppMService.Order_Filter != null)
                {
                    answ = AppMService.Order_Filter.PlantId;
                }
                return answ;
            }
            set
            {
                if (!AppMService.Order_Filter.PlantId.Equals(value))
                {
                    AppMService.Order_Filter.PlantId = value;
                }
            }
        }

        #endregion Private Properties

        #region Protected Properties

        [Inject]
        protected MessageService AppMService { get; set; }

        [Inject]
        protected GWMSDataService DataService { get; set; }

        #endregion Protected Properties

        #region Public Properties

        public string checkRTime
        {
            get => DateTime.Now.Subtract(_currItem.LastUpdate).TotalMinutes > 2 ? $"Mancata ricezione: ultimo aggiornamento {_currItem.LastUpdate}" : $"Dati Realtime aggiornati al {_currItem.LastUpdate}";
        }

        [Parameter]
        public PlantDTO currItem
        {
            get
            {
                return _currItem;
            }
            set
            {
                _currItem = value;
                if (value != null)
                {
                    var dataReload = Task.Run(async () =>
                    {
                        // aggiunta delay o non riesce a disegnare
                        int ChartWaitDelay = 150;
                        int.TryParse(Configuration["ChartWaitDelay"], out ChartWaitDelay);
                        Thread.Sleep(ChartWaitDelay);
                        await HandleRedraw();
                    });
                }
            }
        }

        public string headerStatus
        {
            get
            {
                string answ = "";
                int TimeoutOffline = 5;
                int.TryParse(Configuration["TimeoutOffline"], out TimeoutOffline);
                answ = DateTime.Now.Subtract(_currItem.LastUpdate).TotalMinutes > TimeoutOffline ? "text-secondary" : "active";
                return answ;
            }
        }

        public string playStatus
        {
            get => DateTime.Now.Subtract(_currItem.LastUpdate).TotalMinutes > 2 ? "text-danger" : "text-success";
        }

        #endregion Public Properties

        #region Private Methods

        private void fixRedFactor()
        {
            int answ = 1;
            int numCount = _currItem.LevelTS.Count;
            // passo a 2h se > 3 gg
            if (numCount > 72)
                answ = 3;
            // passo a 3h se > 5 gg
            else if (numCount > 120)
                answ = 4;
            // passo a 4h se > 10 gg
            else if (numCount > 240)
                answ = 5;
            redFact = answ;
        }

        private LineChartDataset<double> GetLineChartDataset()
        {
            fixRedFactor();
            var answ = new LineChartDataset<double>
            {
                //Label = "Livello",
                Data = _currItem.LevelTS.Where((cat, index) => index % redFact == 0).Select(x => x.ValDouble).ToList(),
                BorderColor = getLineColors(1f),
                BackgroundColor = getFillColors(0.25f),
                Fill = true,
                PointRadius = 3,
                BorderWidth = 2,
                LineTension = 0,
                BorderDash = new List<int> { }
            };
            return answ;
        }

        private List<string> GetLineChartLabels()
        {
            fixRedFactor();
            var answ = _currItem.LevelTS.Where((cat, index) => index % redFact == 0).Select(x => x.DtEvent.ToString("dd/MM HH")).ToList();
            return answ;
        }

        #endregion Private Methods

        #region Protected Methods

        /// <summary>
        /// Genera colori sfondo
        /// </summary>
        /// <param name="numRecords"></param>
        /// <returns></returns>
        protected List<string> getFillColors(float alpha)
        {
            List<string> answ = new List<string>();
            answ.Add(ChartColor.FromRgba(108, 164, 254, alpha));
            return answ;
        }

        /// <summary>
        /// Genera colori linea
        /// </summary>
        /// <param name="numRecords"></param>
        /// <returns></returns>
        protected List<string> getLineColors(float alpha)
        {
            List<string> answ = new List<string>();
            answ.Add(ChartColor.FromRgba(54, 82, 254, alpha));
            return answ;
        }

        protected async Task HandleRedraw()
        {
            if (LevelVal != null)
            {
                await LevelVal.Clear();
                await LevelVal.AddLabelsDatasetsAndUpdate(GetLineChartLabels(), GetLineChartDataset());
            }
        }

        protected void ShowDetail(int currPlantId)
        {
            SelPlantId = currPlantId;
            // rimando...
            NavManager.NavigateTo($"PlantAnalisys");
        }

        protected void ShowOrders(int currPlantId)
        {
            SelPlantId = currPlantId;
            // rimando...
            NavManager.NavigateTo($"Orders");
        }

        #endregion Protected Methods

        #region Public Methods

        public string getPressData(string valore, string formato)
        {
            string answ = "";
            if (currItem.PressAct.ContainsKey(valore))
            {
                answ = currItem.PressAct[valore].ToString(formato);
            }
            return answ;
        }

        #endregion Public Methods
    }
}