using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using MP.FileData.DatabaseModels;
using MP.Prog.Data;
using NLog;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace MP.Prog.Pages
{
    public partial class Archive : ComponentBase, IDisposable
    {
        #region Private Fields

        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();
        private FileModel currRecord = null;
        private List<FileModel> ListRecords;
        private List<MacchinaModel> MacList;
        private List<TagModel> TagList;

        #endregion Private Fields

        #region Protected Fields

        protected string _SearchTag;

        protected string defTag = "";

        protected int totalCount = 0;

        #endregion Protected Fields

        #region Private Properties

        private int currPage
        {
            get
            {
                return AppMService.File_Filter.PageNum;
            }
            set
            {
                AppMService.File_Filter.PageNum = value;
            }
        }

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

        private int numRecord
        {
            get
            {
                return AppMService.File_Filter.PageSize;
            }
            set
            {
                AppMService.File_Filter.PageSize = value;
            }
        }

        private bool OnlyActive
        {
            get
            {
                bool answ = false;
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.OnlyActive;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.OnlyActive.Equals(value))
                {
                    AppMService.File_Filter.OnlyActive = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private bool OnlyMod
        {
            get
            {
                bool answ = false;
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.OnlyMod;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.OnlyMod.Equals(value))
                {
                    AppMService.File_Filter.OnlyMod = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private bool OnlyNoTag
        {
            get
            {
                bool answ = false;
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.OnlyNoTag;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.OnlyNoTag.Equals(value))
                {
                    AppMService.File_Filter.OnlyNoTag = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private string SearchVal
        {
            get
            {
                string answ = "";
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.SearchVal;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.SearchVal.Equals(value))
                {
                    AppMService.File_Filter.SearchVal = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private string SelFileName
        {
            get
            {
                string answ = "";
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.FileName;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.FileName.Equals(value))
                {
                    AppMService.File_Filter.FileName = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private string SelIdxMacc
        {
            get
            {
                string answ = "";
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.IdxMacchina;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.IdxMacchina.Equals(value))
                {
                    AppMService.File_Filter.IdxMacchina = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        private string SelTag
        {
            get
            {
                string answ = "";
                if (AppMService.File_Filter != null)
                {
                    answ = AppMService.File_Filter.Tag;
                }
                return answ;
            }
            set
            {
                if (!AppMService.File_Filter.Tag.Equals(value))
                {
                    AppMService.File_Filter.Tag = value;
                    var pUpd = Task.Run(async () =>
                    {
                        await AsyncReload();
                    });
                    pUpd.Wait();
                }
            }
        }

        #endregion Private Properties

        #region Protected Properties

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

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

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

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

        protected string SearchTag
        {
            get
            {
                return _SearchTag;
            }
            set
            {
                _SearchTag = value;
                // se son > 3 char... debounce...
                if (string.IsNullOrEmpty(value))
                {
                    _SearchTag = defTag;
                }
                if (value.Length >= defTag.Length)
                {
                    var pUpd = Task.Run(async () =>
                    {
                        TagList = await DataService.TagGetFilt(SearchTag);
                    });
                    pUpd.Wait();
                }
                isLoading = false;
            }
        }

        #endregion Protected Properties

        #region Public Properties

        public bool DeleteDialogOpen { get; set; }

        #endregion Public Properties

        #region Private Methods

        private string cssActive(bool active)
        {
            string answ = active ? "text-dark" : "text-secondary textStriked";
            return answ;
        }

        private string cssStatusByCod(FileData.FileState currStatus)
        {
            string answ = "badge";
            switch (currStatus)
            {
                case FileData.FileState.Changed:
                    answ += " badge-warning";
                    break;

                case FileData.FileState.Deleted:
                    answ += " badge-danger";
                    break;

                case FileData.FileState.Ok:
                    answ += " badge-success";
                    break;

                case FileData.FileState.ND:
                default:
                    answ += " badge-light";
                    break;
            }
            return answ;
        }

        private async Task OnDialogClose(bool accepted)
        {
            DeleteDialogOpen = false;
            currPage = 1;
            await AsyncReload();
            //StateHasChanged();
        }

        private void OpenDialog()
        {
            DeleteDialogOpen = true;
            StateHasChanged();
        }

        #endregion Private Methods

        #region Protected Methods

        protected async Task AsyncReload()
        {
            isLoading = true;
            currRecord = null;
            ListRecords = null;
            await ReloadData();
            isLoading = false;
        }

        protected async Task Edit(FileModel selRecord)
        {
            if (!selRecord.Active)
            {
                if (!await JSRuntime.InvokeAsync<bool>("confirm", "Sicuro di voler confrontare una revisione vecchia/inattiva del programma??"))
                    return;
            }

            // rileggo dal DB il record corrente...
            currRecord = await DataService.FileGetByKey(selRecord.FileId);
        }

        protected async Task FilterPath(string searchVal)
        {
            SelFileName = searchVal;
            OnlyActive = false;
            currPage = 1;
            await ReloadAllData();
            isLoading = false;
        }

        protected async Task FilterTag(string searchVal)
        {
            SelTag = searchVal;
            currPage = 1;
            await ReloadAllData();
            isLoading = false;
        }

        protected async Task ForceCheck(int numDays)
        {
            currRecord = null;
            ListRecords = null;
            // importante altrimenti NON mostra update UI
            await Task.Delay(1);
            //AppMService.File_Filter = SelectData.Init(5, 10);
            var numCheck = await DataService.updateAllArchive(numDays, false);
            await ReloadAllData();
            await Task.Delay(1);
            await RefreshDisplayLoading();
        }

        protected override async Task OnInitializedAsync()
        {
            SearchTag = defTag;
            AppMService.ShowSearch = true;
            AppMService.PageName = "Archivio File Programmi";
            AppMService.PageIcon = "fas fa-folder pr-2";
            AppMService.EA_SearchUpdated += OnSeachUpdated;
            AppMService.EA_FilterUpdated += OnFilterUpdated;
            await ReloadAllData();
            isLoading = false;
        }

        protected async Task PagerReloadNum(int newNum)
        {
            numRecord = newNum;
            await ReloadData();
            isLoading = false;
        }

        protected async Task PagerReloadPage(int newNum)
        {
            currPage = newNum;
            await ReloadData();
            isLoading = false;
        }

        protected async Task RefreshDisplayLoading()
        {
            await Task.Delay(1);
            isLoading = false;
        }

        protected async Task ReloadAllData()
        {
            isLoading = true;
            MacList = await DataService.MacchineGetAll();
            SelIdxMacc = "0";
            SearchTag = defTag;
            TagList = await DataService.TagGetFilt(SearchTag);
            await ReloadData();
        }

        protected async Task ReloadData()
        {
            isLoading = true;
            // importante altrimenti NON mostra update UI
            await Task.Delay(1);
            totalCount = await DataService.FileCountFilt(AppMService.File_Filter);
            //SearchRecords = await DataService.FileGetFilt(AppMService.File_Filter);
            //// faccio paginazione SOLO NELLA DECINA attuale... (quindi non tutte le pagine ma solo subset)
            //ListRecords = SearchRecords.Skip(numRecord * (currPage % 10 - 1)).Take(numRecord).ToList();

            ListRecords = await DataService.FileGetFilt(AppMService.File_Filter);
            await Task.Delay(1);
        }

        protected void ResetData()
        {
            DataService.rollBackEdit(currRecord);
            currRecord = null;
        }

        protected async Task ResetFilter()
        {
            currRecord = null;
            ListRecords = null;
            currPage = 1;
            AppMService.File_Filter = SelectData.Init(5, 10);
            AppMService.SearchVal = "";
            SearchTag = defTag;
            await ReloadAllData();
            isLoading = false;
        }

        protected void ResetSearchTag()
        {
            SearchTag = defTag;
        }

        protected void ResetTag()
        {
            SelTag = "";
            currPage = 1;
        }

        protected void Select(FileModel selRecord)
        {
            // applico filtro da selezione
            currRecord = selRecord;
        }

        protected string TextReduce(string textOriginal, int maxChar)
        {
            string answ = textOriginal;
            if (answ.Length > maxChar)
            {
                answ = $"...{textOriginal.Substring(answ.Length - maxChar)}";
            }
            return answ;
        }

        protected async Task UpdateData()
        {
            currRecord = null;
            ListRecords = null;
            DataService.ResetController();
            await ReloadData();
            await Task.Delay(1);
            isLoading = false;
        }

        #endregion Protected Methods

        #region Public Methods

        public string checkSelect(int FileId)
        {
            string answ = "";
            if (currRecord != null)
            {
                try
                {
                    answ = (currRecord.FileId == FileId) ? "table-info" : "";
                }
                catch
                { }
            }
            return answ;
        }

        public void Dispose()
        {
            AppMService.EA_SearchUpdated -= OnSeachUpdated;
            AppMService.EA_FilterUpdated -= OnFilterUpdated;
        }

        public async void OnFilterUpdated()
        {
            await ReloadData();
            //StateHasChanged();
        }

        public void OnSeachUpdated()
        {
            SearchVal = AppMService.SearchVal;
            StateHasChanged();
        }

        #endregion Public Methods
    }
}