using k8s.Models;
using Microsoft.AspNetCore.Components;
using NLog;
using WebDoorCreator.Data.DbModels;
using WebDoorCreator.Data.DTO;
using WebDoorCreator.Data.Services;
using WebDoorCreator.UI.Data;

namespace WebDoorCreator.UI.Components.FilesMan
{
    public partial class CompoCompare
    {
        #region Public Properties

        [Parameter]
        public CompoSelectFilter actFilter { get; set; } = new CompoSelectFilter();

        [Parameter]
        public EventCallback<int> updateRecordCount { get; set; }

        #endregion Public Properties

        #region Public Methods

        public static string getFolder(string key)
        {
            string answ = "";
            if (key.Contains("\\"))
            {
                answ = key.Split("\\")[1];
            }
            return answ;
        }

        public static string getType(string key)
        {
            string answ = "";
            if (key.Contains("\\"))
            {
                answ = key.Split("\\")[0];
            }
            return answ;
        }

        #endregion Public Methods

        #region Protected Fields

        protected static Logger Log = LogManager.GetCurrentClassLogger();

        protected List<DoorOpTypeModel> tempDOT = new List<DoorOpTypeModel>();

        #endregion Protected Fields

        #region Protected Properties

        protected bool _showAdd { get; set; } = true;

        protected bool _showRem { get; set; } = true;

        protected bool _showUpd { get; set; } = true;

        protected KeyValuePair<string, FileDTO> actFile { get; set; } = new KeyValuePair<string, FileDTO>();

        [Inject]
        protected IConfiguration configuration { get; set; } = null!;

        protected double expTime { get; set; } = 6;

        protected string filtBtnCssAdd
        {
            get => showAdd ? "btn-primary" : "btn-secondary";
        }

        protected string filtBtnCssRem
        {
            get => showRem ? "btn-danger" : "btn-secondary";
        }

        protected string filtBtnCssUpd
        {
            get => showUpd ? "btn-warning" : "btn-secondary";
        }

        protected bool isDrawing { get; set; } = false;
        protected bool isLoading { get; set; } = false;
        protected List<string> ListType { get; set; } = new List<string>();
        protected int numSteps { get; set; } = 4;

        protected bool show { get; set; } = false;

        protected bool showAdd
        {
            get => _showAdd;
            set => _showAdd = value;
        }

        protected bool showBtnCur
        {
            get => NumFileCur > 0;
        }

        protected bool showBtnNew
        {
            get => NumFileNew > 0;
        }

        protected bool showRem
        {
            get => _showRem;
            set => _showRem = value;
        }

        protected bool showUpd
        {
            get => _showUpd;
            set => _showUpd = value;
        }

        protected string tplMissing
        {
            get => numTplMissing >= 0 ? $"{numTplMissing}" : "???";
        }

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

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

        protected string TypeSel
        {
            get => _typeSel;
            set
            {
                if (_typeSel != value)
                {
                    _typeSel = value;
                    ReloadData().ConfigureAwait(false);
                    //var pUpd = Task.Run(async () =>
                    //{
                    //    await InvokeAsync(ReloadData);
                    //});
                    //pUpd.Wait();
                }
            }
        }

        [Inject]
        protected WebDoorCreatorService WDCService { get; set; } = null!;

        [Inject]
        protected WDCUserService WDCUService { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        protected string btnCssClass(Core.Enum.fileStatus fStat, bool doAct)
        {
            string answ = "";
            if (fStat == Core.Enum.fileStatus.add && doAct)
            {
                answ = "btn-primary";
            }
            else if (fStat == Core.Enum.fileStatus.mod && doAct)
            {
                answ = "btn-warning";
            }
            else if (fStat == Core.Enum.fileStatus.rem && doAct)
            {
                answ = "btn-danger";
            }
            else
            {
                answ = "btn-secondary";
            }
            return answ;
        }

        protected string btnIcon(Core.Enum.fileStatus fStat)
        {
            string answ = "";
            if (fStat == Core.Enum.fileStatus.add || fStat == Core.Enum.fileStatus.mod)
            {
                answ = "fa-solid fa-circle-arrow-right";
            }
            else if (fStat == Core.Enum.fileStatus.rem)
            {
                answ = "fa-solid fa-square-minus";
            }
            return answ;
        }

        protected string btnTxt(Core.Enum.fileStatus fStat)
        {
            string answ = "";
            if (fStat == Core.Enum.fileStatus.add)
            {
                answ = "A";
            }
            else if (fStat == Core.Enum.fileStatus.mod)
            {
                answ = "U";
            }
            else if (fStat == Core.Enum.fileStatus.rem)
            {
                answ = "D";
            }
            return answ;
        }

        protected async Task changeDoAct(KeyValuePair<string, FileDTO> currObj)
        {
            await Task.Delay(1);
            files2Chk[currObj.Key].action = !files2Chk[currObj.Key].action;
        }

        protected async Task doSave()
        {
            isDrawing = true;
            isLoading = true;
            sendDataVal = 0;
            await Task.Delay(1);
            var updTask1 = Task.Run(() =>
            {
                files2Save = searchRecords.Where(x => x.Value.action).ToDictionary(x => x.Key, x => x.Value);
                foreach (var item in files2Save)
                {
                    string dir2chk = "";
                    var fileDirs = item.Key.Split("\\");

                    foreach (var dir in fileDirs.SkipLast(1))
                    {
                        dir2chk += $"\\{dir}";
                        if (!Directory.Exists($"{rootPathCur}{dir2chk}"))
                        {
                            Directory.CreateDirectory($"{rootPathCur}{dir2chk}");
                        }
                    }

                    if (item.Value.status == Core.Enum.fileStatus.add)
                    {
                        File.Copy($"{rootPathNew}\\{item.Key}", $"{rootPathCur}\\{item.Key}");
                        Log.Info($"Add new Compo: {rootPathNew}\\{item.Key}");
                    }
                    else if (item.Value.status == Core.Enum.fileStatus.mod)
                    {
                        ReplaceFile($"{rootPathNew}\\{item.Key}", $"{rootPathCur}\\{item.Key}");
                        Log.Info($"Updated Compo: {rootPathNew}\\{item.Key}");
                    }
                    else if (item.Value.status == Core.Enum.fileStatus.rem)
                    {
                        File.Delete($"{rootPathCur}\\{item.Key}");
                        Log.Info($"Removed Compo: {rootPathNew}\\{item.Key}");
                    }
                }
            }
                );
            await updTask1;
            sendDataVal = 30;
            var updTask2 = Task.Run(async () =>
            {
                await WDCService.ListValuesLuaNgeInsert(rootPathCur);
            });
            await updTask2;
            Log.Info($"DB Updated for Compo changes!");
            sendDataVal = 45;
            // svuoto cache!
            await WDCService.FlushCustomPattern("Cache");
            sendDataVal = 50;
            await doScan(true, true);
            sendDataVal = 90;
        }

        /// <summary>
        /// Scansione e comparazione directory COMPO
        /// </summary>
        /// <param name="scanCur"></param>
        /// <param name="scanNew"></param>
        /// <returns></returns>
        protected async Task doScan(bool scanCur, bool scanNew)
        {
            isDrawing = true;
            isLoading = true;
            files2Chk.Clear();
            searchRecords.Clear();
            stats2show.Clear();
            stats2show.Add(Core.Enum.fileStatus.add);
            stats2show.Add(Core.Enum.fileStatus.mod);
            stats2show.Add(Core.Enum.fileStatus.rem);
            ListType = new List<string>();
            Log.Info($"Component scan started by user {WDCUService.userId}");
            sendDataVal = 0;
            var updTask1 = Task.Run(async () =>
                    await WDCService.populateHws()
                );
            await updTask1;
            searchRecords = new Dictionary<string, FileDTO>();
            tempDOT.Clear();

            // gestione files nuovi
            var newFiles = await getCurFiles(rootPathNew, !scanNew);
            NumFileNew = newFiles.Count;
            sendDataVal = 30;

            // gestione files cur
            var curFiles = await getCurFiles(rootPathCur, !scanCur);
            NumFileCur = curFiles.Count;
            sendDataVal = 60;

            foreach (var item in newFiles)
            {
                if (curFiles.ContainsKey(item.Key))
                {
                    if (curFiles[item.Key].FileMD5 != item.Value.FileMD5)
                    {
                        item.Value.status = Core.Enum.fileStatus.mod;
                        checkItemType(item);
                    }
                    curFiles.Remove(item.Key);
                }
                else
                {
                    item.Value.status = Core.Enum.fileStatus.add;
                    checkItemType(item);
                }
                searchRecords.Add(item.Key, item.Value);
            }

            sendDataVal = 90;
            foreach (var item in curFiles)
            {
                item.Value.status = Core.Enum.fileStatus.rem;
                searchRecords.Add(item.Key, item.Value);
                checkItemType(item);
            }

            searchRecords = searchRecords.Where(x => x.Value.status != Core.Enum.fileStatus.none).ToDictionary(x => x.Key, x => x.Value);
            await ReloadData();
            sendDataVal = 100;
            isLoading = false;
            isDrawing = false;
            if (searchRecords.Count == 0)
            {
                scanMsg = "THE DIRECTORIES HAVE NO DIFFERENCES";
            }
            Log.Info($"Component scan COMPLETED");
        }

        protected async Task filtBtnToggle(Core.Enum.fileStatus fileStat)
        {
            switch (fileStat)
            {
                case Core.Enum.fileStatus.add:
                    showAdd = !showAdd;
                    if (showAdd && !stats2show.Contains(Core.Enum.fileStatus.add))
                    {
                        stats2show.Add(Core.Enum.fileStatus.add);
                    }
                    else if (!showAdd && stats2show.Contains(Core.Enum.fileStatus.add))
                    {
                        stats2show.Remove(Core.Enum.fileStatus.add);
                    }
                    break;

                case Core.Enum.fileStatus.mod:
                    showUpd = !showUpd;
                    if (showUpd && !stats2show.Contains(Core.Enum.fileStatus.mod))
                    {
                        stats2show.Add(Core.Enum.fileStatus.mod);
                    }
                    else if (!showUpd && stats2show.Contains(Core.Enum.fileStatus.mod))
                    {
                        stats2show.Remove(Core.Enum.fileStatus.mod);
                    }
                    break;

                case Core.Enum.fileStatus.rem:
                    showRem = !showRem;
                    if (showRem && !stats2show.Contains(Core.Enum.fileStatus.rem))
                    {
                        stats2show.Add(Core.Enum.fileStatus.rem);
                    }
                    else if (!showRem && stats2show.Contains(Core.Enum.fileStatus.rem))
                    {
                        stats2show.Remove(Core.Enum.fileStatus.rem);
                    }
                    break;
            }
            await ReloadData();
        }

        /// <summary>
        /// Sistema i componenti missing creando file (vuoti) corrispondenti a quanto trovato sul DB
        /// </summary>
        /// <returns></returns>
        protected async Task fixMissing()
        {
            isLoading = true;
            bool done = await WDCService.CompoFixMissing(rootPathCur);
            numTplMissing = await WDCService.CompoCountMissing(rootPathCur);
            isLoading = false;
        }

        protected override async Task OnParametersSetAsync()
        {
            await ReloadData();
        }

        protected async Task ReloadData()
        {
            isDrawing = true;
            await Task.Delay(1);

            var filtData = searchRecords
                                     .Where(x => stats2show.Contains(x.Value.status) && (TypeSel == "*" || x.Key.StartsWith(TypeSel)))
                                     .ToList();
            totalCount = filtData.Count;

            files2Chk = filtData
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToDictionary(x => x.Key, x => x.Value);
            //await InvokeAsync(() => StateHasChanged());
            isDrawing = false;
        }

        protected void ReplaceFile(string FileToMoveAndDelete, string FileToReplace)
        {
            File.Replace(FileToMoveAndDelete, FileToReplace, null);
        }

        protected void selectAll(bool selUnsel)
        {
            foreach (var item in searchRecords)
            {
                item.Value.action = selUnsel;
            }
        }

        protected async Task showDiff(KeyValuePair<string, FileDTO> currFile, Core.Enum.fileStatus cStatus)
        {
            await Task.Delay(1);
            actFile = currFile;
            txtSx = "";
            txtDx = "";
            // in base al tipo di modifica leggo...
            switch (cStatus)
            {
                case Core.Enum.fileStatus.add:
                    txtSx = File.ReadAllText($"{rootPathNew}\\{currFile.Key}");
                    break;

                case Core.Enum.fileStatus.mod:
                    txtSx = File.ReadAllText($"{rootPathNew}\\{currFile.Key}");
                    txtDx = File.ReadAllText($"{rootPathCur}\\{currFile.Key}");
                    break;

                case Core.Enum.fileStatus.rem:
                    txtDx = File.ReadAllText($"{rootPathCur}\\{currFile.Key}");
                    break;

                case Core.Enum.fileStatus.none:
                default:
                    break;
            }
        }

        /// <summary>
        /// verifica numero template missing x eventuale fix con creazione nuovi file vuoti
        /// </summary>
        /// <returns></returns>
        protected async Task updateNumMissing()
        {
            isLoading = true;
            numTplMissing = await WDCService.CompoCountMissing(rootPathCur);
            isLoading = false;
        }

        #endregion Protected Methods

        #region Private Fields

        private Dictionary<string, FileDTO> files2Chk = new Dictionary<string, FileDTO>();
        private Dictionary<string, FileDTO> files2Save = new Dictionary<string, FileDTO>();
        private string scanMsg = "CLICK TO SCAN";
        private Dictionary<string, FileDTO> searchRecords = new Dictionary<string, FileDTO>();
        private int sendDataMaxVal = 100;
        private int sendDataVal = 0;
        private List<Core.Enum.fileStatus> stats2show = new List<Core.Enum.fileStatus>();
        private string titleMsg = "Scanning directories";

        #endregion Private Fields

        #region Private Properties

        private bool _selUns { get; set; } = false;
        private int _totalCount { get; set; } = -1;
        private string _typeSel { get; set; } = "*";

        private int currPage
        {
            get => actFilter.CurrPage;
            set
            {
                selUns = false;
                actFilter.CurrPage = value;
            }
        }

        /// <summary>
        /// Numero files CURRENT
        /// </summary>
        private int NumFileCur { get; set; } = 0;

        /// <summary>
        /// Numero files NEW
        /// </summary>
        private int NumFileNew { get; set; } = 0;

        private int numRecord
        {
            get => actFilter.NumRec;
            set => actFilter.NumRec = value;
        }

        private int numTplMissing { get; set; } = -1;

        private string rootPathCur
        {
            get => configuration.GetValue<string>("CompoBaseDirs:CurrCompoDir");
        }

        private string rootPathNew
        {
            get => configuration.GetValue<string>("CompoBaseDirs:NewCompoDir");
        }

        private bool selUns
        {
            get => _selUns;
            set
            {
                _selUns = value;
                selectAll(_selUns);
            }
        }

        private int totalCount
        {
            get => _totalCount;
            set
            {
                if (_totalCount != value)
                {
                    _totalCount = value;
                    updateRecordCount.InvokeAsync(value);
                }
            }
        }

        #endregion Private Properties

        #region Private Methods

        private void checkItemType(KeyValuePair<string, FileDTO> item)
        {
            string type = getType(item.Key);
            if (!ListType.Contains(type))
            {
                ListType.Add(type);
            }
        }

        /// <summary>
        /// Recupera i dati files current,
        /// </summary>
        /// <param name="rootPath">Path di ricerca</param>
        /// <param name="useCache">Usa cache Redis vs lettura da filesystem</param>
        /// <returns></returns>
        private async Task<Dictionary<string, FileDTO>> getCurFiles(string rootPath, bool useCache)
        {
            var updTask = Task.Run(async () =>
                    await WDCService.scanSrcDestDir(rootPath, useCache)
                );
            var listFiles = await updTask;
            return listFiles;
        }

        #endregion Private Methods
    }
}