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

namespace MP.Stats.Components
{
    public partial class ModalSearchMacc
    {
        #region Public Properties

        [Parameter]
        public List<AutocompleteModel> AllRecords { get; set; } = null!;

        [Parameter]
        public List<string> CurrList { get; set; } = new List<string>();

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

        [Parameter]
        public EventCallback<List<string>> EC_ListUpdated { get; set; }

        [Parameter]
        public int MaxSelection { get; set; } = 6;

        #endregion Public Properties

        #region Protected Properties

        protected string CssClear
        {
            get => CurrList == null || CurrList.Count == 0 ? "btn-outline-secondary" : "btn-primary";
        }

        protected string CssReset
        {
            get => string.IsNullOrEmpty(SearchVal) ? "btn-outline-secondary" : "btn-primary";
        }

        protected List<AutocompleteModel> ListRecords { get; set; } = null!;

        protected string ListSelected
        {
            get => CurrList != null && CurrList.Count > 0 ? string.Join(", ", CurrList) : "-";
        }

        protected int numSelected
        {
            get => CurrList.Count;
        }

        protected List<AutocompleteModel> SearchRecords { get; set; } = null!;

        protected string SearchVal
        {
            get => _searchVal;
            set
            {
                if (_searchVal != value)
                {
                    _searchVal = value;
                    ReloadData();
                }
            }
        }

        #endregion Protected Properties

        #region Protected Methods

        protected string CheckSelect(AutocompleteModel currRec)
        {
            string answ = "";
            if (CurrList.Contains(currRec.ValueField))
            {
                answ = "table-info";
            }
            else if (numSelected >= MaxSelection)
            {
                answ = "opacity-25";
            }
            return answ;
        }

        protected void ClearSel()
        {
            CurrList.Clear();
        }

        protected override void OnParametersSet()
        {
            ReloadData();
        }

        protected void ReloadData()
        {
            // ricerca
            SearchRecords = AllRecords
                            .Where(x => string.IsNullOrEmpty(SearchVal) || x.LabelField.Contains(SearchVal, System.StringComparison.InvariantCultureIgnoreCase))
                            .ToList();
            totalCount = SearchRecords.Count;

            // paginazione
            ListRecords = SearchRecords
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
        }

        protected void ResetSearch()
        {
            SearchVal = "";
            ReloadData();
        }

        protected void SetNumRec(int newNum)
        {
            numRecord = newNum;
            ReloadData();
        }

        protected void SetPage(int newNum)
        {
            currPage = newNum;
            ReloadData();
        }

        /// <summary>
        /// Esegue toggle selezione fino a numMax in aggiunta e rimuovendo tutti se era true
        /// </summary>
        protected async Task ToggleAllSel()
        {
            AllSelected = !AllSelected;
            if (AllSelected)
            {
                foreach (var record in ListRecords)
                {
                    if (!CurrList.Contains(record.ValueField))
                    {
                        CurrList.Add(record.ValueField);
                    }
                    // controllo superamento
                    if (CurrList.Count() >= MaxSelection)
                    {
                        return;
                    }
                }
            }
            else
            {
                CurrList.Clear();
            }
            await EC_ListUpdated.InvokeAsync(CurrList);
        }

        protected void ToggleSel(string newVal)
        {
            if (!CurrList.Contains(newVal))
            {
                CurrList.Add(newVal);
            }
            else
            {
                CurrList.Remove(newVal);
            }
            // riordino
            CurrList = CurrList.OrderBy(x => x).ToList();
            // controllo se ho selezionato il max...
            if (CurrList.Count >= MaxSelection)
            {
                AllSelected = true;
            }
        }

        #endregion Protected Methods

        #region Private Fields

        private string _searchVal = "";
        private bool AllSelected = false;
        private int currPage = 1;
        private int numRecord = 10;
        private int totalCount = 0;

        #endregion Private Fields

        #region Private Methods

        private async Task SearchMaccToggle()
        {
            await EC_ListUpdated.InvokeAsync(CurrList);
            await EC_CloseSearch.InvokeAsync(true);
        }

        #endregion Private Methods
    }
}