using LiMan.DB;
using LiMan.DB.DBModels;
using LiMan.DB.DTO;
using LiMan.UI.Data;
using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LiMan.UI.Components
{
    public partial class AggregateStats : IDisposable
    {
        #region Public Methods

        public void Dispose()
        {
            LMDService.EnrollMessPipe.EA_NewMessage -= async (sender, e) => await EnrollMessPipe_EA_NewMessage(sender, e);
            LMDService.UpdActMessPipe.EA_NewMessage -= async (sender, e) => await UpdActMessPipe_EA_NewMessage(sender, e);
            MServ.EA_SelCodImp -= async () => await MServ_EA_SelCodImp();
            MServ.EA_SelCodInst -= async () => await MServ_EA_SelCodInst();
        }

        #endregion Public Methods

        #region Protected Properties

        /// <summary>
        /// Codice installazione selezionata
        /// </summary>
        protected string CodInstSel
        {
            get => codInstSel;
            set
            {
                if (codInstSel != value)
                {
                    codInstSel = value;
                    isLoading = true;
                    var pUpd = Task.Run(async () =>
                    {
                        await ReloadData();
                        MServ.UsrParamSet("CodInst", value);
                        MServ.ReportSelCodInst();
                    });
                    pUpd.Wait();
                    isLoading = false;
                }
            }
        }

        /// <summary>
        /// Tipo app selezionato
        /// </summary>
        protected string CodTipoApp
        {
            get => codTipoApp;
            set
            {
                if (codTipoApp != value)
                {
                    codTipoApp = value;
                    isLoading = true;
                    var pUpd = Task.Run(async () =>
                    {
                        await ReloadData();
                        // resetto eventuale App
                        MServ.UsrParamSet("CodApp", "");
                        MServ.ReportSelCodApp();
                    });
                    pUpd.Wait();
                    isLoading = false;
                }
            }
        }

        [Inject]
        protected LiManDataService LMDService { get; set; } = null!;

        [Inject]
        protected MessageService MServ { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        protected override async Task OnInitializedAsync()
        {
            LMDService.EnrollMessPipe.EA_NewMessage += async (sender, e) => await EnrollMessPipe_EA_NewMessage(sender, e);
            LMDService.UpdActMessPipe.EA_NewMessage += async (sender, e) => await UpdActMessPipe_EA_NewMessage(sender, e);
            MServ.EA_SelCodImp += async () => await MServ_EA_SelCodImp();
            MServ.EA_SelCodInst += async () => await MServ_EA_SelCodInst();
            await ReloadLicData();
            await ReloadData();
        }

        #endregion Protected Methods

        #region Private Fields

        private string CodDeviceSel = "";

        private string codInstSel = "";

        private Dictionary<string, string> DetailFilt = new Dictionary<string, string>();

        private bool HasFiltClienti = false;

        private bool HasFiltImpiego = false;

        private List<InstallazioneModel> ListInstall;

        /// <summary>
        /// Lista Task in stato DONE
        /// </summary>
        private Dictionary<string, string> TaskDone = new Dictionary<string, string>();

        /// <summary>
        /// Lista Task in stato REQUESTED
        /// </summary>
        private Dictionary<string, string> TaskReq = new Dictionary<string, string>();

        /// <summary>
        /// Lista Task in stato RUNNING
        /// </summary>
        private Dictionary<string, string> TaskRun = new Dictionary<string, string>();

        /// <summary>
        /// Status degli udpater da mostrare
        /// </summary>
        private Core.Enum.UpdStatus UpdStatusReq = Core.Enum.UpdStatus.None;

        #endregion Private Fields

        #region Private Properties

        /// <summary>
        /// Impianto selezionato
        /// </summary>
        private string CodImpSel { get; set; } = "";

        private string codTipoApp { get; set; } = "";

        private string DevName { get; set; } = "";

        private DateTime DtFine { get; set; } = DateTime.Today.AddHours(DateTime.Now.Hour + 1);

        private DateTime DtInizio { get; set; } = DateTime.Today.AddMonths(-1);

        private InstallStatusDTO InfoStats { get; set; } = new InstallStatusDTO();

        private bool isLoading { get; set; } = false;

        [Inject]
        private IJSRuntime JSRuntime { get; set; }

        private List<DeviceDTO> ListDev2Show { get; set; } = new List<DeviceDTO>();
        private Dictionary<string, DeviceDTO> ListDevices { get; set; } = new Dictionary<string, DeviceDTO>();

        #endregion Private Properties

        #region Private Methods

        private string BtnState(int numRec, string cssAct = "text-success")
        {
            return numRec > 0 ? cssAct : "text-secondary";
        }

        /// <summary>
        ///  lancio richiesta udpate app info x ogni IMP gestito...
        /// </summary>
        private async Task DoMassiveRequest(Core.Enum.EgwAccTask reqType)
        {
            if (!await JSRuntime.InvokeAsync<bool>("confirm", $"Sicuro di voler inviare un comando di {reqType} a tutti i devices?"))
                return;

            if (!await JSRuntime.InvokeAsync<bool>("confirm", $"Sicuro di voler proseguire? Verranno interesati {InfoStats.TotalUpdaterAct} devices."))
                return;

            var listCodImp = InfoStats.InstDevices.Select(x => x.Value.CodImp).ToList();
            LMDService.TaskReqAdd(listCodImp, reqType, $"{DateTime.Now:yyyy-MM-dd HH:mm:ss}");
        }

        /// <summary>
        /// Evento refresh legato a ricezione evento da MessagePipe
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async Task EnrollMessPipe_EA_NewMessage(object sender, EventArgs e)
        {
            PubSubEventArgs currArgs = (PubSubEventArgs)e;
            // qualsiasi messaggio fa scattare reload data
            if (!string.IsNullOrEmpty(currArgs.newMessage))
            {
                isLoading = true;
                await InvokeAsync(StateHasChanged);
                await ReloadLicData();
                await ReloadData();
                isLoading = false;
                await InvokeAsync(StateHasChanged);
            }
        }

        /// <summary>
        /// Selezionato CodImp (PC)
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        private async Task MServ_EA_SelCodImp()
        {
            isLoading = true;
            // se trovo salvate in preferenze utente le info necessarie...
            CodImpSel = MServ.UsrParamGet("CodImp");
            HasFiltImpiego = !string.IsNullOrEmpty(CodImpSel);
            DetailFilt.Clear();
            DetailFilt.Add("Cliente", MServ.UsrParamGet("Cliente"));
            DevName = MServ.UsrParamGet("PcInst");
            DetailFilt.Add("PC", DevName);
            DetailFilt.Add("SW ver.", MServ.UsrParamGet("Version"));
            DetailFilt.Add("IP", MServ.UsrParamGet("PcIP"));
            DetailFilt.Add("Started", MServ.UsrParamGet("PcRestart"));
            ReloadTaskStatus();
            isLoading = false;
            await InvokeAsync(StateHasChanged);
        }

        /// <summary>
        /// Selezionato CodInstall (Cliente)
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        private async Task MServ_EA_SelCodInst()
        {
            isLoading = true;
            CodInstSel = MServ.UsrParamGet("CodInst");
            HasFiltClienti = !string.IsNullOrEmpty(CodInstSel);
            ReloadDevices();
            isLoading = false;
            await InvokeAsync(StateHasChanged);
        }

        private async Task ReloadData()
        {
            isLoading = true;
            InfoStats = await LMDService.InstallStatusGetInfo(DtInizio, DtFine, CodInstSel, CodTipoApp);
            ReloadDevices();
            ReloadTaskStatus();
            isLoading = false;
        }

        private void ReloadDevices()
        {
            ListDevices = new Dictionary<string, DeviceDTO>();
            if (InfoStats != null)
            {
                // se necessario filtro...
                if (HasFiltClienti)
                {
                    ListDevices = InfoStats
                                    .InstDevices
                                    .Where(x => x.Value.CodInst == CodInstSel)
                                    .OrderBy(x => x.Value.DevName)
                                    .ToDictionary(x => x.Key, x => x.Value);
                }
                else
                {
                    ListDevices = InfoStats
                                    .InstDevices
                                    .OrderBy(x => x.Value.DevName)
                                    .ToDictionary(x => x.Key, x => x.Value);
                }
            }
        }

        private async Task ReloadLicData()
        {
            ListInstall = await LMDService.InstallazioniNextGetAll();
        }

        /// <summary>
        /// Esegue update stato task
        /// </summary>
        private void ReloadTaskStatus()
        {
            TaskReq = LMDService.TaskListReqGet();
            TaskRun = LMDService.TaskListRunGet();
            TaskDone = LMDService.TaskListDoneGet();
        }

        /// <summary>
        /// Imposta status visualizzazione dettaglio
        /// </summary>
        /// <param name="newStatus"></param>
        private async void ShowDetail(Core.Enum.UpdStatus newStatus)
        {
            UpdStatusReq = newStatus;
            ListDev2Show = new List<DeviceDTO>();
            Dictionary<string, string> dictCurr = new Dictionary<string, string>();
            switch (UpdStatusReq)
            {
                case Core.Enum.UpdStatus.Pending:
                    dictCurr = TaskReq;
                    break;

                case Core.Enum.UpdStatus.Running:
                    dictCurr = TaskRun;
                    break;

                case Core.Enum.UpdStatus.Done:
                    dictCurr = TaskDone;
                    break;

                case Core.Enum.UpdStatus.None:
                default:
                    break;
            }
            // filtro x stato richiesto...
            List<DeviceDTO> list2show = new List<DeviceDTO>();
            foreach (var item in ListDevices)
            {
                if (dictCurr.ContainsKey(item.Key))
                {
                    // sistemo dataora in obj...
                    string rawDate = dictCurr[item.Key];
                    if (DateTime.TryParse(rawDate, out var date))
                    {
                        item.Value.LastUpdate = date;
                    }
                    list2show.Add(item.Value);
                }
            }
            ListDev2Show = list2show;
            await InvokeAsync(StateHasChanged);
        }

        /// <summary>
        /// Evento refresh legato a ricezione evento da MessagePipe
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async Task UpdActMessPipe_EA_NewMessage(object sender, EventArgs e)
        {
            PubSubEventArgs currArgs = (PubSubEventArgs)e;
            // qualsiasi messaggio fa scattare reload data
            if (!string.IsNullOrEmpty(currArgs.newMessage))
            {
                isLoading = true;
                ReloadTaskStatus();
                isLoading = false;
                await InvokeAsync(StateHasChanged);
            }
        }

        #endregion Private Methods
    }
}