using Microsoft.AspNetCore.Components;
using Newtonsoft.Json.Linq;
using WebWindowComplex.Models;
using static WebWindowComplex.Json.WindowConst;
using static WebWindowComplex.LayoutConst;

namespace WebWindowComplex.Compo
{
    public partial class CardSplit
    {
       
        /// <summary>
        /// Split corrente rispetto alla lista split
        /// </summary>
        [Parameter]
        public Split CurrSplit { get; set; } = null!;

        /// <summary>
        /// Lista di sash
        /// </summary>
        [Parameter]
        public List<Sash> SashGroupList { get; set; } = null!;

        /// <summary>
        /// Lista di split
        /// </summary>
        [Parameter]
        public List<Split> SplitList { get; set; } = null!;

        /// <summary>
        /// Frame
        /// </summary>
        [Parameter]
        public Frame FrameWindow { get; set; } = null!;

        /// <summary>
        /// Livello di accesso (utente base)
        /// </summary>
        [CascadingParameter(Name = "User")]
        public bool User { get; set; } = false!;

        /// <summary>
        /// Evento per richiedere reset dizionario
        /// </summary>
        [Parameter]
        public EventCallback<DataUpdateRes> EC_ReqResetDict { get; set; }

        /// <summary>
        /// Evento per aggiornare Split
        /// </summary>
        [Parameter]
        public EventCallback<DataUpdateSplit> EC_UpdateSplit { get; set; }

        /// <summary>
        /// Evento per aggiornare Frame
        /// </summary>
        [Parameter]
        public EventCallback<DataUpdateFrame> EC_UpdateFrame { get; set; }

        /// <summary>
        /// Evento per richiesta profili degli Element
        /// </summary>
        [Parameter]
        public EventCallback<Split> EC_ReqElement { get; set; }

        /// <summary>
        /// Evento per tornare nella pagine Tree
        /// </summary>
        [Parameter]
        public EventCallback<bool> EC_ReqClose { get; set; }

        /// <summary>
        /// Metodo per scambiare le aree di uno split (solo se si hanno due aree)
        /// </summary>
        /// <param name="item"> split corrente </param>
        /// <returns></returns>
        protected async Task SwapTwoAree()
        {
            CurrSplit.SwapAree();
            var args = new DataUpdateSplit(){
                currSplit = CurrSplit,
                svgNoHw = true
            };
            await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDictShape });
            await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDimElem });
            await EC_ReqElement.InvokeAsync(CurrSplit);
            await EC_UpdateSplit.InvokeAsync(args);
        }

        /// <summary>
        /// Metodo per rimuovere split
        /// </summary>
        /// <param name="item"> split corrente </param>
        /// <returns></returns>
        protected async Task RemoveArea()
        {
            CurrSplit.Remove();
            var args = new DataUpdateFrame()
            {
                currFrame = FrameWindow
            };
            // richiesta reset dict shape
            await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDictShape });
            await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDimElem });
            await EC_UpdateFrame.InvokeAsync(args);
            await EC_ReqClose.InvokeAsync(true);
        }

        /// <summary>
        /// Proprietà per selezionare shape split
        /// </summary>
        /// <returns></returns>
        protected int SplitShapeIndex
        {
            get => CurrSplit.SelSplitShapeIndex;
            set
            {
                if (CurrSplit.SelSplitShapeIndex != value)
                {
                    CurrSplit.SelSplitShapeIndex = value;
                    var args = new DataUpdateSplit()
                    {
                        currSplit = CurrSplit
                    };
                    _ = EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = LayoutConst.DataAction.ResetDimElem });
                    if(!(CurrSplit.ParentArea.ParentArea is Sash))
                    {
                        // Se la shape selezionata è grid o custom, richiede reset shape 
                        if (value == (int)SplitShapes.GRID || value == (int)SplitShapes.CUSTOM)
                            _ = EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDictShape });
                        if (SearchSash(CurrSplit))
                            _ = EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetHwOpt });
                    }
                    _ = EC_ReqElement.InvokeAsync(CurrSplit);
                    _ = EC_UpdateSplit.InvokeAsync(args);
                }
            } 
        }

        private bool SearchSash(Area area)
        {
            if (area is Sash)
                return true;
            foreach (var item in area.AreaList)
                return SearchSash(item);
            return false;
        }

        /// <summary>
        /// Proprietà per selezionare numero di split verticali
        /// </summary>
        /// <returns></returns>
        protected int SplitQtyVert
        {
            get => CurrSplit.nSplitQtyVert;
            set
            {
                if (CurrSplit.nSplitQtyVert != value)
                {
                    CurrSplit.nSplitQtyVert = value;
                    _ = EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDimElem });
                    var args = new DataUpdateSplit()
                    {
                        currSplit = CurrSplit
                    };
                    _ = EC_ReqElement.InvokeAsync(CurrSplit);
                    _ = EC_UpdateSplit.InvokeAsync(args);
                }
            }
        }

        /// <summary>
        /// Proprietà per selezionare numero di split verticali
        /// </summary>
        /// <returns></returns>
        protected int SplitQtyHoriz
        {
            get => CurrSplit.nSplitQtyHoriz;
            set
            {
                if (CurrSplit.nSplitQtyHoriz != value)
                {
                    CurrSplit.nSplitQtyHoriz = value;
                    _ = EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = LayoutConst.DataAction.ResetDimElem });
                    var args = new DataUpdateSplit()
                    {
                        currSplit = CurrSplit
                    };
                    _ = EC_ReqElement.InvokeAsync(CurrSplit);
                    _ = EC_UpdateSplit.InvokeAsync(args);
                }
            }
        }

        /// <summary>
        /// Aggiornamento element
        /// </summary>
        /// <param name="updRec"></param>
        /// <returns></returns>
        private async Task UpdateElement(SplitElementDimension updRec)
        {
            if (updRec != null)
            {
                SplitElementDimension? currRec = new SplitElementDimension(updRec.ParentArea, 0,0,-1);
                if (updRec.nSubArea != 0)
                {
                    List<SplitElementDimension> ElemIndexList = new List<SplitElementDimension>();
                    if (CurrSplit.bSplitStartVert)
                        ElemIndexList = CurrSplit.ElemDimHorizList
                                                            .Where(x => x.nSubArea != updRec.nSubArea && x.nIndex == updRec.nIndex)
                                                            .ToList();
                    else
                        ElemIndexList = CurrSplit.ElemDimVertList
                                                            .Where(x => x.nSubArea == updRec.nSubArea && x.nIndex == updRec.nIndex)
                                                            .ToList();
                    foreach (var item in ElemIndexList)
                    {
                        item.SetDimension(updRec.dDimension);
                    }
                }
                else
                {
                    if(CurrSplit.bSplitStartVert)
                        currRec = CurrSplit.ElemDimVertList.FirstOrDefault(x => x.ParentArea == updRec.ParentArea && x.nIndex == updRec.nIndex);
                    else
                        currRec = CurrSplit.ElemDimHorizList.FirstOrDefault(x => x.ParentArea == updRec.ParentArea && x.nIndex == updRec.nIndex);
                    // lo aggiorno
                    currRec = updRec;
                }
                var args = new DataUpdateSplit()
                {
                    currSplit = CurrSplit,
                    svgNoHw = false
                };
                await EC_UpdateSplit.InvokeAsync(args);
            }
        }

        /// <summary>
        /// Metodo per aggiornare la dimensione dello split
        /// </summary>
        /// <param name="updRec"></param>
        /// <returns></returns>
        protected async Task UpdateDimension(DataUpdateSplitDimension updRec)
        {
            SplitDimension currSplitDim = updRec.currSplit;
            SplitDimension currRec = new SplitDimension(0, MeasureTypes.NULL, false, updRec.currSplit.Parent, false);
            // cerco il record
            if (currSplitDim.bIsVertListDim)
                currRec = CurrSplit.SplitVertList.ElementAt(updRec.index);
            else
                currRec = CurrSplit.SplitHorizList.ElementAt(updRec.index);
            // lo aggiorno
            if (currSplitDim != null)
            {
                currRec = currSplitDim;
                var args = new DataUpdateSplit()
                {
                    currSplit = CurrSplit,
                    noSvg = updRec.noSvg
                };
                await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDictShape });
                await EC_UpdateSplit.InvokeAsync(args);
            }
        }

        //protected async Task UpdateSplit(DataUpdateSplit updRec)
        //{
        //    if (updRec.currSplit != null)
        //    {
        //        CurrSplit = updRec.currSplit;
        //        var args = new DataUpdateSplit()
        //        {
        //            currSplit = CurrSplit,
        //            noSvg = updRec.noSvg
        //        };
        //        //await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDictShape });
        //        await EC_UpdateSplit.InvokeAsync(args);
        //    }
        //}

        /// <summary>
        /// Metodo per cambiare la dimensione principale
        /// </summary>
        /// <param name="e"></param>
        /// <returns></returns>
        protected async Task ChangeStartVert(ChangeEventArgs e)
        {
            foreach (Split s in SplitList)
            {
                if (s.Equals(CurrSplit) && e.Value != null)
                {
                    s.bSplitStartVert = (bool)e.Value;
                    //s.SetSplitStartVert((bool)e.Value);
                }
            }
            await EC_ReqResetDict.InvokeAsync(new DataUpdateRes { req = DataAction.ResetDimElem });
            var args = new DataUpdateSplit()
            {
                currSplit = CurrSplit
            };
            await EC_ReqElement.InvokeAsync(CurrSplit);
            await EC_UpdateSplit.InvokeAsync(args);
        }

        /// <summary>
        /// Metodo per determinare la descrizione del parent dello split corrente
        /// </summary>
        /// <returns></returns>
        protected string descParentSplit()
        {
            if ((CurrSplit.ParentArea is Splitted || CurrSplit.ParentArea is Sash) && SashGroupList.Count > 0)
            {
                for (int j = 0; j < SashGroupList.Count; j++)
                {
                    if (SashGroupList[j].Equals(CurrSplit.ParentArea))
                    {
                        return "Sash " + (j + 1);
                    }
                    else if (SashGroupList[j].Equals(CurrSplit.ParentArea.ParentArea))
                    {
                        for (int k = 0; k < SashGroupList[j].AreaList.Count; k++)
                        {
                            if (SashGroupList[j].AreaList[k].AreaList[0].Equals(CurrSplit))
                            {
                                return "Sash group " + (j + 1) + " - sash " + (k + 1);
                            }
                        }
                    }
                }
            }
            else
            {
                return "Frame";
            }
            return "";
        }

        /// <summary>
        /// Sollevo evento per tornare alla pagina Tree
        /// </summary>
        private void ReqClose()
        {
            _ = EC_ReqClose.InvokeAsync(true);
        }

        private bool isOpen = false;
        private void ToggleDropdown()
        {
            isOpen = !isOpen;
        }

        protected MeasureTypes MeasureType
        {
            get
            {
                MeasureTypes type = MeasureTypes.NULL;
                if (CurrSplit.SplitVertList.Count > 0)
                    type = CurrSplit.SplitVertList.First().SelMeasureType;
                else
                    type = CurrSplit.SplitHorizList.First().SelMeasureType;
                for (int i = 1; i < CurrSplit.SplitVertList.Count; i++)
                {
                    if (CurrSplit.SplitVertList.ElementAt(i).SelMeasureType != type)
                        return MeasureTypes.NULL;
                }
                for (int i = 1; i < CurrSplit.SplitHorizList.Count; i++)
                {
                    if (CurrSplit.SplitHorizList.ElementAt(i).SelMeasureType != type)
                        return MeasureTypes.NULL;
                }
                return type;
            }
            set
            {
                foreach (var item in CurrSplit.SplitVertList)
                {
                    item.SelMeasureTypeIndex = (int)value;
                    //item.SetSelMeasureType(value);
                }
                foreach (var item in CurrSplit.SplitHorizList)
                {
                    item.SelMeasureTypeIndex = (int)value;
                    //item.SetSelMeasureType(value);
                }
                var args = new DataUpdateSplit()
                {
                    currSplit = CurrSplit,
                    noSvg = true
                };
                _ = EC_UpdateSplit.InvokeAsync(args);
            }
        }

        /// <summary>
        /// Metodo per cambiare il tipo di misura di tutti gli SplitDimension
        /// </summary>
        /// <param name="type"> nuovo tipo </param>
        /// <returns></returns>
        protected Task SetMeasureType(MeasureTypes type)
        {
            isOpen = !isOpen;
            foreach (var item in CurrSplit.SplitVertList)
            {
                item.SelMeasureTypeIndex = (int)type;
                //item.SetSelMeasureType(type);
            }
            foreach (var item in CurrSplit.SplitHorizList)
            {
                item.SelMeasureTypeIndex = (int)type;
                //item.SetSelMeasureType(type);
            }
            var args = new DataUpdateSplit()
            {
                currSplit = CurrSplit,
                noSvg = true
            };
            return EC_UpdateSplit.InvokeAsync(args);
        }

        private List<SplitElementDimension> horizList()
        {
            int subAreaMin = CurrSplit.ElemDimHorizList.Min(x => x.nSubArea);
            return CurrSplit.ElemDimHorizList.Where(x => x.nSubArea == subAreaMin).ToList();
        }

        private List<SplitElementDimension> vertList()
        {
            int subAreaMin = CurrSplit.ElemDimVertList.Min(x => x.nSubArea);
            return CurrSplit.ElemDimVertList.Where(x => x.nSubArea == subAreaMin).ToList();
        }

        private string MeasureTypeCss(MeasureTypes type)
        {
            for (int i = 0; i < CurrSplit.SplitVertList.Count; i++)
            {
                if (!CurrSplit.SplitVertList.ElementAt(i).MeasureType.Equals(type))
                    return "btn btn-outline-secondary";
            }
            for (int i = 0; i < CurrSplit.SplitHorizList.Count; i++)
            {
                if (!CurrSplit.SplitHorizList.ElementAt(i).MeasureType.Equals(type))
                    return "btn btn-outline-secondary";
            }
            return "btn btn-secondary";
        }
    }

    /// <summary>
    /// Classe per raggruppare oggetti che servono per aggiornare split
    /// </summary>
    public class DataUpdateSplit
    {
        public Split currSplit { get; set; } = null!;
        public bool svgNoHw { get; set; } = false;
        public bool noSvg { get; set; } = false;
    }
}