using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace MP.Stats.Data
{
    public class SelectData
    {
        #region Public Properties

        public string CodArticolo { get; set; } = "*";
        public DateTime DateEnd { get; set; } = DateTime.Now.AddMinutes(1);
        public DateTime DateStart { get; set; } = DateTime.Now.AddDays(-7);

        /// <summary>
        /// Primo record x selezione paginata, tipicamente primo della "decina" della pagina corrente
        /// </summary>
        public int FirstRecord
        {
            get
            {
                int primaPag = PageNum % 10;
                int decina = PageNum - primaPag;
                return PageSize * decina + 1;
            }
        }

        public string IdxMacchina { get; set; } = "*";
        public List<string> ListIdxMaccSel { get; set; } = new List<string>();
        public int IdxOdl { get; set; } = -999;
        public string KeyRichiesta { get; set; } = "*";
        public string Azione { get; set; } = "*";

        /// <summary>
        /// Numero record da recuperare, tipicamente la decina della pag corrente (10 * PageSize)
        /// </summary>
        public int NumRecord
        {
            get
            {
                return PageSize * 10;
            }
        }

        public bool MaccSelValid
        {
            get => ListIdxMaccSel != null && ListIdxMaccSel.Count > 0;
        }

        public int PageNum { get; set; } = 1;
        public int PageSize { get; set; } = 10;

        #endregion Public Properties

        #region Public Methods

        /// <summary>
        /// Inizializzazione con periodo e arrotondamento
        /// </summary>
        /// <param name="minRound"></param>
        /// <param name="numDayPrev"></param>
        /// <returns></returns>
        public static SelectData Init(int minRound, int numDayPrev)
        {
            TimeSpan DayElapsed = DateTime.Now.Subtract(DateTime.Today);
            int minDay = (int)(DayElapsed.TotalMinutes / minRound) * minRound;
            DateTime endRounded = DateTime.Today.AddMinutes(minDay);
            SelectData answ = new SelectData()
            {
                DateEnd = endRounded,
                DateStart = endRounded.AddDays(-numDayPrev)
            };
            return answ;
        }

        public override bool Equals(object obj)
        {
            if (!(obj is SelectData item))
                return false;

            if (PageSize != item.PageSize)
                return false;
            if (PageNum != item.PageNum)
                return false;
            if (CodArticolo != item.CodArticolo)
                return false;
            if (DateEnd != item.DateEnd)
                return false;
            if (DateStart != item.DateStart)
                return false;
            if (IdxMacchina != item.IdxMacchina)
                return false;
            if (IdxOdl != item.IdxOdl)
                return false;
            if (KeyRichiesta != item.KeyRichiesta)
                return false;
            if (Azione != item.Azione)
                return false;

            return true;
        }

        public override int GetHashCode()
        {
            return base.GetHashCode();
        }

        #endregion Public Methods
    }
}