using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using MP.Stats.Data;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;

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

        private MP.Data.DbModels.DdbTurni currRecord = null;

        private string fileName = "Diario.csv";
        private List<MP.Data.DbModels.DdbTurni> ListRecords;
        private List<MP.Data.DbModels.DdbTurni> SearchRecords;

        #endregion Private Fields

        #region Private Properties

        private SelectData currFilter

        {
            get
            {
                return MessageService.DDB_Filter;
            }
            set
            {
                MessageService.DDB_Filter = value;
            }
        }

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

        private string fullPath
        {
            get => $"{Directory.GetCurrentDirectory()}\\temp\\{fileName}";
        }

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

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

        #endregion Private Properties

        #region Protected Properties

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

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

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

        [Inject]
        protected MpStatsService StatService { get; set; }

        protected int totalCount { get; set; } = 0;

        #endregion Protected Properties

        #region Private Methods

        private async void clearFile()
        {
            await Task.Run(() => File.Delete(fullPath));
        }

        private async Task ExportCsv()
        {
            isLoading = true;
            // recupero TUTTI i dati
            var allRecords = await StatService.StatDdbGetAllExport(currFilter, MessageService.SearchVal);
            // salvo davvero!
            await Egw.Core.Utils.SaveToCsv(allRecords, fullPath, ';');
            isLoading = false;
        }

        private async Task reloadData()
        {
            isLoading = true;
            totalCount = await StatService.StatDdbGetCount(currFilter, MessageService.SearchVal);
            SearchRecords = await StatService.StatDdbGetAll(currFilter, MessageService.SearchVal);
            // faccio paginazione SOLO NELLA DECINA attuale... (quindi non tutte le pagine ma solo subset)
            ListRecords = SearchRecords.Skip(numRecord * (currPage % 10 - 1)).Take(numRecord).ToList();
            isLoading = false;
        }

        #endregion Private Methods

        #region Protected Methods

        protected async Task DoFilter(SelectData newFilter)
        {
            clearFile();
            SearchRecords = null;
            ListRecords = null;
            currFilter = newFilter;
            await reloadData();
        }

        protected async Task ForceReload(int newNum)
        {
            numRecord = newNum;
            await reloadData();
        }

        protected async Task ForceReloadPage(int newNum)
        {
            currPage = newNum;
            await reloadData();
        }

        protected override async Task OnInitializedAsync()
        {
            clearFile();
            numRecord = 10;
            MessageService.ShowSearch = false;
            MessageService.PageName = "Diario Produzione";
            MessageService.PageIcon = "fa fa-clipboard";
            MessageService.EA_SearchUpdated += OnSeachUpdated;
            await reloadData();
        }

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

        protected async Task ResetFilter(SelectData newFilter)
        {
            clearFile();
            currRecord = null;
            SearchRecords = null;
            ListRecords = null;
            currFilter = SelectData.Init(5, 3);
            await reloadData();
        }

        protected async Task UpdateData()
        {
            currRecord = null;
            await reloadData();
        }

        #endregion Protected Methods

        #region Public Methods

        public string checkSelect(string IdxMacchina, string CodArticolo, DateTime InizioStato)
        {
            string answ = "";
            if (currRecord != null)
            {
                try
                {
                    answ = (currRecord.IdxMacchina == IdxMacchina && currRecord.CodArticolo == CodArticolo && currRecord.InizioStato == InizioStato) ? "table-info" : "";
                }
                catch
                { }
            }
            return answ;
        }

        public void Dispose()
        {
            MessageService.EA_SearchUpdated -= OnSeachUpdated;
        }

        public async void OnSeachUpdated()
        {
            await InvokeAsync(() =>
            {
                Task task = UpdateData();
                StateHasChanged();
            });
        }

        #endregion Public Methods
    }
}