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

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

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

        public string FileName { get; set; } = "";

        /// <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; } = "";

        /// <summary>
        /// Recorda da saltare x arrivare alla pagina corrente
        /// </summary>
        public int NumSkip
        {
            get
            {
                return PageSize * (PageNum - 1);
            }
        }

        public bool OnlyActive { get; set; } = true;
        public bool OnlyMod { get; set; } = false;
        public bool OnlyNoTag { get; set; } = false;
        public int PageNum { get; set; } = 1;
        public int PageSize { get; set; } = 10;
        public string SearchVal { get; set; } = "";
        public string Tag { get; set; } = "";

        #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) + 1) * minRound;
            DateTime endRounded = DateTime.Today.AddMinutes(minDay);
            SelectData answ = new SelectData()
            {
                DateEnd = endRounded,
                DateStart = endRounded.AddDays(-numDayPrev),
                SearchVal = ""
            };
            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 (OnlyActive != item.OnlyActive)
                return false;
            if (OnlyMod != item.OnlyMod)
                return false;
            if (OnlyNoTag != item.OnlyNoTag)
                return false;
            if (SearchVal != item.SearchVal)
                return false;
            if (FileName != item.FileName)
                return false;
            if (IdxMacchina != item.IdxMacchina)
                return false;
            if (Tag != item.Tag)
                return false;
            if (DateEnd != item.DateEnd)
                return false;
            if (DateStart != item.DateStart)
                return false;

            return true;
        }

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

        #endregion Public Methods
    }
}