using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Web;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Reflection.Metadata;
using System.Runtime.InteropServices;
using WebWindow.Base;
using WebWindowComplex.DTO;
using WebWindowComplex.Json;
using static WebWindowComplex.Json.WindowConst;

namespace WebWindowComplex
{
    public partial class TableComp : IDisposable
    {
        #region Public Properties

        [Parameter]
        public string CssSvg { get; set; } = "responsive-svg";

        [Parameter]
        public EventCallback<bool> EC_OnClose { get; set; }

        [Parameter]
        public EventCallback<TemplateSelectDTO> EC_OnSelectedTemplate { get; set; }

        [Parameter]
        public EventCallback<Dictionary<string, string>> EC_OnUpdate { get; set; }

        [Parameter]
        public string CurrJwd
        {
            get => m_CurrJwd;
            set
            {
                // Se viene passato un JWD
                if (m_CurrJwd != value && value != "")
                {
                    m_CurrJwd = value;
                    // Aggiornati parametri di ingresso selezionati
                    UpdateSelParameter();
                    JsonWindow WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_CurrJwd, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
                    if (m_CurrWindow != null)
                    {
                        m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
                        m_CurrWindow = null;
                    }
                    m_CurrWindow = WindowFromJson.Deserialize();
                    m_CurrWindow.OnPreview += M_CurrWindow_OnPreview;
                    // Recupero dimensioni Frame e Joint del frame della finestra precedente
                    if (m_PreviousWindow != null)
                    {
                        for (int i = 0; i < 2; i++)
                            m_CurrWindow.AreaList[0].DimensionList[i] = m_PreviousWindow.AreaList[0].DimensionList[i];
                        for (int i = 0; i < 4; i++)
                            m_CurrWindow.AreaList[0].JointList[i] = m_PreviousWindow.AreaList[0].JointList[i];
                    }
                }
                if (m_CurrWindow != null)
                {
                    // Aggiornate liste di sash, split, splitted, fill e itemTable
                    UpdateLists();
                }
            }
        }

        [Parameter]
        public Template IN_SelTemplate
        {
            get => m_SelTemplate;
            set
            {
                // Se viene passato il template selezionato oppure se non è ancora stato selezionato un template oppure se si cambia template di selezione
                if (value != null && (m_SelTemplate == null || (m_SelTemplate != null && value.nIndex != m_SelTemplate.nIndex)) && !string.IsNullOrEmpty(value.JWD))
                {
                    m_SelTemplate = value;
                    // Aggiornamento parametri di ingresso selezionati
                    UpdateSelParameter();
                    JsonWindow WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_SelTemplate.JWD, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
                    if (m_CurrWindow != null)
                    {
                        m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
                        m_CurrWindow = null;
                    }
                    m_CurrWindow = WindowFromJson.Deserialize();
                    m_CurrWindow.OnPreview += M_CurrWindow_OnPreview;
                    // Recupero dimensioni Frame e Joint del frame della finestra precedente
                    if (m_PreviousWindow != null)
                    {
                        for (int i = 0; i < 2; i++)
                            m_CurrWindow.AreaList[0].DimensionList[i] = m_PreviousWindow.AreaList[0].DimensionList[i];
                        for (int i = 0; i < 4; i++)
                            m_CurrWindow.AreaList[0].JointList[i] = m_PreviousWindow.AreaList[0].JointList[i];
                    }
                }
                if (m_CurrWindow != null)
                {
                    // Aggiornamento liste sash, split, splitted, fill e itemTable
                    UpdateLists();
                }
            }
        }

        [Parameter]
        public List<TemplateSelectDTO> IN_TemplateDTOList { get; set; } = null!;

        [Parameter]
        public List<string> IN_FamilyHardwareList { get; set; } = null!;

        [Parameter]
        public string IN_SelFamilyHardware { get; set; } = null!;

        [Parameter]
        public List<Hardware> IN_HardwareList { get; set; } = null!;

        [Parameter]
        public List<string> IN_ColorMaterialList { get; set; } = null!;

        [Parameter]
        public string? IN_SelColorMaterial { get; set; } = null;

        [Parameter]
        public List<string> IN_MaterialList { get; set; } = null!;

        [Parameter]
        public string? IN_SelMaterial { get; set; } = null;

        [Parameter]
        public List<string> IN_GlassList { get; set; } = null!;

        [Parameter]
        public string? IN_SelGlass { get; set; } = null;

        [Parameter]
        public string LiveSVG
        {
            get => m_SelSVG;
            set => m_SelSVG = value;
        }

        #endregion Public Properties

        #region Public Methods

        public void Dispose()
        {
            if (m_CurrWindow != null)
            {
                m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
                m_CurrWindow = null;
            }
        }

        #endregion Public Methods

        #region Protected Enums

        protected enum CompileStep
        {
            Template = 0,
            Gerarchia = 1,
            Frame,
            Split,
            Sash,
            Fill,
            General
        }

        protected enum PositionJoints
        {
            BL = 0, // Bottom Left
            BR = 1, // Bottom Right
            TR,   // Top Right
            TL    // Top Left
        }

        #endregion Protected Enums

        #region Protected Properties

        protected Frame FrameWindow
        {
            get => m_Frame!;
            set => m_Frame = value;
        }
        protected string? m_CurrJwd { get; set; }
        protected string m_SelSVG { get; set; } = "";

        /// <summary>
        /// Componente SVG da mostrare
        /// </summary>
        protected MarkupString outSvg
        {
            get
            {
                // aggiunta gestione classe svg per posizionamento con costraints
                var newSvg = LiveSVG.Replace("<svg", $"<svg class=\"{CssSvg}\"");
                return (MarkupString)newSvg;
            }
        }

        protected List<Sash> SashList
        {
            get => m_SashList;
        }
        protected List<Split> SplitList
        {
            get => m_SplitList;
        }
        protected List<Fill> FillList
        {
            get => m_FillList;
        }
        protected List<Splitted> SplittedList
        {
            get => m_SplittedList;
        }
        protected List<ItemTable> ItemTableList
        {
            get => m_ItemTableList;
        }
        protected TemplateSelectDTO? SelTemplateDTO { get; set; } = null;
        protected string SelFamilyHardware
        {
            get
            {
                return m_SelFamilyHardware;
            }
            set
            {
                m_SelFamilyHardware = value;
                Sash.s_SelFamilyHW = value;
                for (int i = 0; i < SashList.Count; i++)
                {
                    SashList[i].RefreshHardwareList();
                    SashList[i].RefreshHardwareOptionList();
                    SashList[i].SetFirstHardware();
                }
                if (m_CurrWindow != null)
                {
                    m_CurrWindow.OnUpdatePreview(m_CurrWindow.sSerialized());
                }
            }
        }
        protected string SelColorMaterial { get; set; } = "";

        protected string SelMaterial { get; set; } = ""!;

        protected string SelGlass { get; set; } = "";

        #endregion Protected Properties

        #region Protected Methods

        protected override async Task OnInitializedAsync()
        {
            if (string.IsNullOrEmpty(CurrJwd))
            {
                currStep = CompileStep.Template;
            }
            else
            {
                currStep = CompileStep.Gerarchia;
            }
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo che resetta le liste (sash, split, splitted, fill e itemTable) e le crea nuovamente
        /// </summary>
        protected void UpdateLists()
        {
            m_maxCol = 0;
            m_maxRow = 0;
            m_FillList = new List<Fill>();
            m_SashList = new List<Sash>();
            m_SplitList = new List<Split>();
            m_SplittedList = new List<Splitted>();
            m_ItemTableList = new List<ItemTable>();
            CreateWindowsList((m_CurrWindow!).AreaList[0], false);
            CreateElementTable(m_CurrWindow.AreaList[0], 1, 1, 1, 1);
        }

        /// <summary>
        /// Metodo per settare i parmateri di ingresso selezionati
        /// </summary>
        protected void UpdateSelParameter()
        {
            SelFamilyHardware = IN_SelFamilyHardware;
            SelColorMaterial = IN_SelColorMaterial ?? "";
            SelMaterial = IN_SelMaterial ?? "";
            SelGlass = IN_SelGlass ?? "";
            Sash.m_HardwareCompleteList = IN_HardwareList;
            Sash.s_FamilyHardwareList = IN_FamilyHardwareList;
            Sash.s_SelFamilyHW = IN_SelFamilyHardware;
        }

        /// <summary>
        /// Metodo per la scelta della maniglia univoca
        /// </summary>
        /// <param name="sashDim"> anta su cui si seleziona la maniglia </param>
        /// <returns></returns>
        protected void changeHandle(SashDimension sashDim, Sash currSash)
        {
            // Cerco la Sash che si sta considerando nella lista Sash
            foreach (Sash s in SashList)
            {
                if (s.Equals(currSash))
                {
                    // Per ogni anta della Sash setto bHasHandle 
                    foreach (SashDimension item in s.SashList)
                    {
                        if (item.Equals(sashDim))
                        {
                            item.bHasHandle = true;
                        }
                        else
                        {
                            item.bHasHandle = false;
                        }
                    }
                }
            }
        }

        // Ancora da fare...
        protected async Task DoClose()
        {
            await EC_OnClose.InvokeAsync(true);
        }

        /// <summary>
        /// Anteprima SVG
        /// </summary>
        /// <returns></returns>
        protected async Task DoPreviewSvg()
        {
            if (m_CurrWindow != null)
            {
                var CurrJwd = JsonConvert.SerializeObject(m_CurrWindow.Serialize(), Formatting.Indented);
                Dictionary<string, string> Args = new Dictionary<string, string>();
                Args.Add("Mode", $"{(int)Enums.EngineQueryType.Preview}");
                Args.Add("Jwd", CurrJwd);
                await EC_OnUpdate.InvokeAsync(Args);
            }
        }

        /// <summary>
        /// Metodo di reset dei dati a quelli del template
        /// </summary>
        protected async Task DoReset()
        {
            // Aggiornati parametri di ingresso selezionati
            UpdateSelParameter();
            JsonWindow WindowFromJson;
            if (string.IsNullOrEmpty(CurrJwd))
                WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_SelTemplate.JWD, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
            else
                WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_CurrJwd!, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
            if (m_CurrWindow != null)
            {
                m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
                m_CurrWindow = null;
            }
            m_CurrWindow = WindowFromJson.Deserialize();
            m_CurrWindow.OnPreview += M_CurrWindow_OnPreview;
            // Aggiorante liste sash, split, splitted, fill e itemTable
            UpdateLists();
            currSash = -1;
            await DoPreviewSvg();
        }

        // Ancora da fare..
        protected async Task DoSave()
        {
            //manca salvataggio JWD
            await EC_OnClose.InvokeAsync(true);
        }

        /// <summary>
        /// Selezione del template
        /// </summary>
        /// <param name="newSel"> template selezionato </param>
        protected async void DoSelect(TemplateSelectDTO newSel)
        {
            SelTemplateDTO = newSel;
            await EC_OnSelectedTemplate.InvokeAsync(newSel);
        }

        /// <summary>
        /// Metodo per cambiare step e aggiornare preview svg
        /// </summary>
        /// <param name="newStep"> step successivo </param>
        protected async void NextStepAndPreview(CompileStep newStep, int Index = -1)
        {
            currStep = newStep;
            if (newStep == CompileStep.Sash)
                currSash = Index;
            else
                currSash = -1;
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo per riempire le liste Sash, Split, Splitted e Fill  
        /// </summary>
        /// <param name="node"> Area da classificare </param>
        /// <param name="IntoSash"> Parametro per sapere se si è dentro un'anta </param>
        protected void CreateWindowsList(Area node, bool IntoSash)
        {
            if (node != null)
            {
                if (node.ParentArea is Sash || IntoSash == true)
                    IntoSash = true;
                switch (node.AreaType)
                {
                    case AreaTypes.FRAME:
                        {
                            FrameWindow = (Frame)node;
                            break;
                        }
                    case AreaTypes.SASH:
                        {
                            m_SashList.Add((Sash)node);
                            break;
                        }
                    case AreaTypes.FILL:
                        {
                            m_FillList.Add((Fill)node);
                            break;
                        }
                    case AreaTypes.SPLIT:
                        {
                            m_SplitList.Add((Split)node);
                            break;
                        }
                    case AreaTypes.SPLITTED:
                        {
                            if (node.ParentArea is Split && !IntoSash && node.AreaList[0] is Fill)
                            {
                                m_SplittedList.Add((Splitted)node);
                            }
                            break;
                        }
                }
                foreach (var item in node.AreaList)
                {
                    CreateWindowsList(item, IntoSash);
                }
            }
        }

        /// <summary>
        /// Metodo per riempire la lista ItemTable in modo da poter rappresentarla come tabella
        /// </summary>
        /// <param name="node"> Area da classificare </param>
        /// <param name="row"> numero di riga </param>
        /// <param name="col"> numero di colonna </param>
        /// <param name="maxRow"> numero di riga massimo </param>
        /// <param name="maxCol"> numero di colonna massimo </param>
        protected void CreateElementTable(Area node, int row, int col, int maxRow, int maxCol)
        {
            if (node != null)
            {
                switch (node.AreaType)
                {
                    case AreaTypes.FRAME:
                        {
                            if (node.AreaList.Count >= 1)
                                ItemTableList.Add(new ItemTable(AreaTypes.FRAME, "FR", row, col, -1, node.AreaList.Count));
                            else
                                ItemTableList.Add(new ItemTable(AreaTypes.FRAME, "FR", row, col, -1, 0));
                            row++;
                            col++;
                            maxRow++;
                            maxCol++;
                            break;
                        }
                    case AreaTypes.SASH:
                        {
                            // Se ha fratelli
                            if ((node.ParentArea.ParentArea != null && node.ParentArea.ParentArea.AreaList.Count > 1) ||
                                (node.ParentArea != null && node.ParentArea.AreaList.Count > 1))
                            {
                                for (int i = 0; i < SashList.Count; i++)
                                {
                                    if (SashList[i].Equals(node))
                                    {
                                        // Se il nodo ha figli, salvo il numero nell'oggetto
                                        if (node.AreaList.Count >= 1)
                                            ItemTableList.Add(new ItemTable(AreaTypes.SASH, "SH", maxRow, col, i, node.AreaList.Count));
                                        else
                                            ItemTableList.Add(new ItemTable(AreaTypes.SASH, "SH", maxRow, col, i, 0));
                                    }
                                }
                                maxCol++;
                            }
                            else
                            {
                                // Se il nodo ha figli, salvo il numero nell'oggetto
                                if (node.AreaList.Count >= 1)
                                    ItemTableList.Add(new ItemTable(AreaTypes.SASH, "SH", row, col, 0, node.AreaList.Count));
                                else
                                    ItemTableList.Add(new ItemTable(AreaTypes.SASH, "SH", row, col, 0, 0));
                                maxCol++;
                            }
                            row++;
                            col++;
                            maxRow++;
                            break;
                        }
                    case AreaTypes.FILL:
                        {
                            if ((node.ParentArea.AreaList.Count > 1 && node.ParentArea.AreaList[0].Equals(node)) ||
                                (node.ParentArea.ParentArea != null && node.ParentArea.ParentArea.AreaList.Count > 1 && node.ParentArea.ParentArea.AreaList[0].AreaList[0].Equals(node)))
                                maxCol++;
                            ItemTableList.Add(new ItemTable(AreaTypes.FILL, "FL", maxRow, col, -1, 0));
                            row++;
                            col++;
                            maxRow++;
                            break;
                        }
                    case AreaTypes.SPLIT:
                        {
                            if (node.ParentArea.AreaList.Count > 1 || (node.ParentArea.ParentArea != null && node.ParentArea.ParentArea.AreaList.Count > 1))
                            {
                                if (node.ParentArea.AreaList[0].Equals(node) || node.ParentArea.ParentArea.AreaList[0].Equals(node))
                                    maxCol++;
                                if (node.AreaList.Count >= 1 || node.AreaList.Count >= 1)
                                    ItemTableList.Add(new ItemTable(AreaTypes.SPLIT, "SP", maxRow, col, -1, node.AreaList.Count));
                                else
                                    ItemTableList.Add(new ItemTable(AreaTypes.SPLIT, "SP", maxRow, col, -1, 0));
                            }
                            else
                            {
                                if (node.AreaList.Count >= 1 || node.AreaList.Count >= 1)
                                    ItemTableList.Add(new ItemTable(AreaTypes.SPLIT, "SP", row, col, -1, node.AreaList.Count));
                                else
                                    ItemTableList.Add(new ItemTable(AreaTypes.SPLIT, "SP", row, col, -1, 0));
                                maxCol++;
                            }
                            row++;
                            col++;
                            maxRow++;
                            break;
                        }
                    case AreaTypes.SPLITTED:
                        {
                            break;
                        }
                }
                foreach (var item in node.AreaList)
                {
                    if (maxRow < m_maxRow)
                        CreateElementTable(item, row, col, m_maxRow, maxCol);
                    else
                        CreateElementTable(item, row, col, maxRow, maxCol);
                }
            }
            if (maxCol > m_maxCol)
            {
                m_maxCol = maxCol;
            }
            if (maxRow > m_maxRow)
            {
                m_maxRow = maxRow;
            }
        }

        /// <summary>
        /// Metodo per riempire tabella con contenuto vuoto o con i simboli per rappresentare la struttura
        /// </summary>
        /// <param name="row"> riga della cella </param>
        /// <param name="col"> colonna della cella </param>
        /// <returns></returns>
        private string FillTable(int row, int col)
        {
            List<ItemTable> itemSameCol = new List<ItemTable>();
            for (int k = 0; k < row; k++)
            {
                if (ItemTableList[k].Col == col + 1)
                {
                    itemSameCol.Add(ItemTableList[k]);
                }
                continue;
            }
            int numItemNextCol = 0;
            for (int k = 0; k < row; k++)
            {
                if (ItemTableList[k].Row <= row && ItemTableList[k].Col == col + 2)
                {
                    numItemNextCol++;
                }
                continue;
            }
            if (itemSameCol.Count > 1)
            {
                for (int i = 0; i <= itemSameCol.Count - 2; i++)
                {
                    if (itemSameCol[i].NumChild > 0)
                        numItemNextCol = numItemNextCol - itemSameCol[i].NumChild;
                }
            }
            if (itemSameCol.Count > 0)
            {
                // Sono alla riga successiva di un elemento e nella stessa colonna
                if (itemSameCol.Last().Row == row)
                {
                    // se ha un solo figlio
                    if (itemSameCol.Last().NumChild == 1)
                    {
                        return "└";
                    }
                    else if (itemSameCol.Last().NumChild == 0)
                    {
                        return " ";
                    }
                    else
                    {
                        return "├";
                    }
                }
                // Non sono alla riga successiva
                else
                {
                    // se ha un solo figlio
                    if (itemSameCol.Last().NumChild == 1)
                    {
                        return " ";
                    }
                    else if (col + 2 <= m_maxCol && ItemTableList[row].Col == col + 2)
                    {
                        if (numItemNextCol < itemSameCol.Last().NumChild && numItemNextCol != (itemSameCol.Last().NumChild - 1))
                        {
                            return "├";
                        }
                        return "└";
                    }
                    else if (numItemNextCol < itemSameCol.Last().NumChild)
                    {
                        return "│";
                    }
                    else
                    {
                        return " ";
                    }
                }
            }
            else
            {
                return " ";
            }
        }

        /// <summary>
        /// Metodo per settare tutti i Joints di Frame o Sash come ANGLED o FULL_H o FULL_V
        /// </summary>
        /// <param name="n_type"> tipo di giunzione (ANGLED o FULL_H o FULL_V) </param>
        /// <param name="area"> area su cui eseguire la funzione (Frame o Sash) </param>
        /// <returns></returns>
        private async Task ChangeAllJoints(WindowConst.Joints type, Area area)
        {
            if (area is Frame)
            {
                foreach (Joint joint in FrameWindow.JointList)
                {
                    joint.SetSelJointType(type);
                }
            }
            else
            {
                Sash a = (Sash)area;
                foreach (Joint joint in a.JointList)
                {
                    joint.SetSelJointType(type);
                }
            }
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo per settare tutti i Fill in contemporanea
        /// </summary>
        /// <param name="type"> tipo di riempimento (GLASS o WOOD) </param>
        /// <returns></returns>
        private async Task ChangeAllFill(WindowConst.FillTypes type)
        {
            foreach (Fill currFill in m_FillList)
            {
                currFill.SetFillType(type);
            }
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo per copiare contenuto di un'anta in un'altra anta
        /// </summary>
        /// <param name="sashItem"> Sash corrispondente all'anta </param>
        /// <param name="IndexCopy"> Indice dell'anta che si copia </param>
        /// <param name="IndexModify"> Indice dell'anta che si modifica </param>
        private async Task CopyContentSash(Sash sashItem, int IndexCopy, int IndexModify)
        {
            // Anta selezionata
            Area sashSplitted = sashItem.AreaList[IndexModify];
            // Rimuovo riempimento da anta selezionata
            sashSplitted.AreaList.RemoveAt(0);
            // Creo la copia dell'anta scelta
            Area a = sashItem.AreaList[IndexCopy - 1].AreaList[0].Copy(sashSplitted);
            // Aggiungo copia all'anta selezionata
            sashItem.AreaList[IndexModify].AreaList.Add(a);
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo per copiare una Sash intera
        /// </summary>
        /// <param name="currSplitted"> Area Splitted corrente </param>
        /// <param name="numSash"> Indice della Sash che si vuole copiare </param>
        /// <returns></returns>
        private async Task CopySash(Splitted currSplitted, int numSash)
        {
            //Rimuovo contenuto di Splitted
            currSplitted.AreaList.RemoveAll(i => i != null);
            // Copio sash
            Area a = SashList[numSash].Copy(currSplitted);
            a.SetParentArea(currSplitted);
            // Aggiungo copia a Splitted
            currSplitted.AreaList.Add(a);
            await DoPreviewSvg();
        }

        /// <summary>
        /// Metodo per scambiare due aree di uno split
        /// </summary>
        /// <param name="currArea"> Area corrente </param>
        /// <returns></returns>
        private async Task SwapTwoAree(Area currArea)
        {
            currArea.SwapAree();
            await DoPreviewSvg();
        }

        #endregion Protected Methods

        #region Private Fields

        private CompileStep currStep;
        private int currSash = -1;
        private Frame? m_Frame;
        private List<Sash> m_SashList = new List<Sash>();
        private List<Split> m_SplitList = new List<Split>();
        private List<Fill> m_FillList = new List<Fill>();
        private List<Splitted> m_SplittedList = new List<Splitted>();
        private List<ItemTable> m_ItemTableList = new List<ItemTable>();
        private int m_maxCol = 0;
        private int m_maxRow = 0;

        #endregion Private Fields

        #region Private Properties

        private Window? m_CurrWindow { get; set; } = null;
        private Window? m_PreviousWindow { get; set; } = null;
        private Template m_SelTemplate { get; set; } = null!;
        private string m_SelFamilyHardware { get; set; } = "";

        #endregion Private Properties

        #region Private Methods

        /// <summary>
        /// Metodo per andare allo step successivo
        /// </summary>
        /// <param name="newStep"> step successivo </param>
        private void AdvStep(CompileStep newStep)
        {
            currStep = newStep;
            currSash = -1;
        }

        private void M_CurrWindow_OnPreview(object? sender, OnPreviewEventArgs e)
        {
            Dictionary<string, string> Args = new Dictionary<string, string>();
            Args.Add("Mode", $"{(int)Enums.EngineQueryType.Preview}");
            Args.Add("Jwd", e.sJwd);
            EC_OnUpdate.InvokeAsync(Args);
        }

        /// <summary>
        /// Calcola il css del tab selezionato
        /// </summary>
        /// <param name="testStep"> Step </param>
        /// <returns></returns>
        private string tabNavCss(CompileStep testStep, int Index = -1)
        {
            if (testStep == CompileStep.Sash)
            {
                if ((currSash == 0 && Index == 0) || (currSash == 1 && Index == 1))
                    return "nav-link active fw-bold";
                else
                    return "nav-link text-secondary";
            }
            return (testStep == currStep) ? "nav-link active fw-bold" : "nav-link text-secondary";
        }

        /// <summary>
        /// Calcola larghezza colonna contenente nav da mostrare
        /// </summary>
        /// <returns></returns>
        private string mainCss()
        {
            return (currStep == CompileStep.Template) ? "col-12" : "col-6";
        }

        /// <summary>
        /// Calcola larghezza colonna header nav
        /// </summary>
        /// <returns></returns>
        private string headerCss()
        {
            return (currStep == CompileStep.Template) ? "col-10 d-grid gap-1 px-2 d-md-flex justify-content-md-start" : "col-8 d-grid gap-1 px-2 d-md-flex justify-content-md-start";
        }

        /// <summary>
        /// Calcola larghezza colonna button nav
        /// </summary>
        /// <returns></returns>
        private string buttonCss()
        {
            return (currStep == CompileStep.Template) ? "col-2 d-grid gap-1 d-md-flex justify-content-md-end" : "col-4 d-grid gap-1 d-md-flex justify-content-md-end";
        }

        #endregion Private Methods
    }
}