using GPW.CORE.Comp;
using Microsoft.AspNetCore.Components;

namespace GPW.CORE.Smart.Components
{
    public partial class TestWeekCal
    {
        #region Public Properties

        [Parameter]
        public DateTime DtReq { get; set; } = DateTime.Today;

        [Parameter]
        public int NumDays { get; set; } = 1;

        #endregion Public Properties

        #region Protected Fields

        protected List<DateTime> ListDate = new List<DateTime>();

        public List<CalendarEvent> simEventList { get; set; } = new List<CalendarEvent>();

        #endregion Protected Fields

        #region Protected Methods

        protected async Task ChangePeriod(int numStep)
        {
            ListDate = new List<DateTime>();
            await Task.Delay(1);
            DtReq = DtReq.AddDays(NumDays * numStep);
            await reloadData();
            await Task.Delay(1);
        }

        protected override async Task OnInitializedAsync()
        {
            await reloadData();
        }

        protected override async Task OnParametersSetAsync()
        {
            await reloadData();
        }

        #endregion Protected Methods

        #region Private Methods

        protected Random rnd = new Random();

        private async Task reloadData()
        {
            ListDate = new List<DateTime>();
            int nWeek = DtReq.DayOfWeek - DayOfWeek.Monday;
            if (NumDays < 5 || NumDays > 7)
            {
                nWeek = 0;
            }
            for (int i = 0; i < NumDays; i++)
            {
                ListDate.Add(DtReq.AddDays(i - nWeek));
            }

            // aggiongo eventi simulati x ogni giorno
            int idxEv = 0;
            simEventList = new List<CalendarEvent>();
            int hStart = 0;
            int minDur = 0;
            DateTime dtInizio = DateTime.MinValue;
            DateTime dtFine = DateTime.MinValue;
            int numEv = 0;
            foreach (var giorno in ListDate)
            {
                // per prima cosa devo decidere quanti eventi...
                numEv = rnd.Next(0, 4);
                for (int i = 0; i < numEv; i++)
                {
                    hStart = rnd.Next(8, 14);
                    minDur = rnd.Next(6, 36) * 10;
                    dtInizio = giorno.AddHours(hStart);
                    dtFine = dtInizio.AddMinutes(minDur);
                    simEventList.Add(new CalendarEvent()
                    {
                        id = idxEv++,
                        CssClass = "text-light",
                        Inizio = dtInizio,
                        Fine = dtFine,
                        Title = $"Sim EV {idxEv}",
                        Description = $"Nuovo evento simulato, {dtInizio:HH:mm} --> {dtFine:HH:mm}"

                    });
                }
            }
            await Task.Delay(1);
        }

        #endregion Private Methods
    }
}