using Microsoft.AspNetCore.Components;
using System.Drawing;

namespace GPW.CORE.Comp
{
    public partial class CalWeekColumn
    {
        #region Public Enums

        public enum ColType
        {
            /// <summary>
            /// Tipo etichetta Start (SX)
            /// </summary>
            labelStart,

            /// <summary>
            /// Tipo etichetta End (DX)
            /// </summary>
            labelEnd,

            /// <summary>
            /// Colonna dati
            /// </summary>
            dataContainer
        }

        #endregion Public Enums

        #region Public Properties

        /// <summary>
        /// Lista etichette da mostrare (richiede tipo label...)
        /// </summary>
        [Parameter]
        public List<CalendarEvent> EventList { get; set; } = new List<CalendarEvent>();

        /// <summary>
        /// Modalità di disegno
        /// </summary>
        [Parameter]
        public ColType ItemMode { get; set; } = ColType.dataContainer;

        [Parameter]
        public int ValMax { get; set; } = 19;

        [Parameter]
        public int ValMin { get; set; } = 9;

        /// <summary>
        /// Dimensioni viewbox
        /// </summary>
        [Parameter]
        public Size vBox { get; set; } = new Size(1200, 3600);

        #endregion Public Properties

        #region Protected Methods

        protected string getLabel(labelData currData)
        {
            return $"<text class=\"lblText\">{currData.value}</text>";
        }

        protected string getRect(boxData currData)
        {
            return $"<rect x=\"0\" y=\"0\" width=\"{currData.width}\" height=\"{currData.height}\" fill=\"rgba(120,120,120,0.5)\" rx=\"3\" ry=\"3\" />";
        }
        protected string getBoxTitle(boxData currData)
        {
            return $"<text class=\"lblBoxTitle\" x=\"2\" y=\"4\">{currData.title}</text>";
        }
        protected string getBoxDesc(boxData currData)
        {
            return $"<text class=\"lblBoxText\" x=\"2\" y=\"8\">{currData.value}</text>";
        }


        protected int mFO
        {
            get => vBox.Width * 2 / 100;
        }
        protected int wFO
        {
            get => vBox.Width * 98 / 100;
        }
        protected int hFO
        {
            get => 100;// EventList.Count > 0 ? vBox.Height / EventList.Count : vBox.Height;
        }


        /// <summary>
        /// Converte la stringa in formato markup valido
        /// </summary>
        /// <param name="rawData"></param>
        /// <returns></returns>
        protected MarkupString getMarkup(string rawData)
        {
            return new MarkupString(rawData);
        }

        private int numEv
        {
            get => EventList.Count > 0 ? EventList.Count : 1;
        }

        /// <summary>
        /// Genera una lista di etichette con corrdinate
        /// </summary>
        /// <returns></returns>
        protected List<labelData> LabelItems()
        {

            int step = vBox.Height / numEv;// (ValMax - ValMin);
            int offset = 0;// step / 2;

            List<labelData> answ = EventList
                    .OrderBy(x => x.Inizio)
                    .Select(x => new labelData()
                    {
                        pX = vBox.Width / 10,
                        pY = offset + (x.Inizio.Hour - ValMin) * step,
                        //pY = (x.Inizio.Hour - ValMin) * vBox.Height / (ValMax - ValMin),
                        value = x.Title
                    })
                    .ToList();
            return answ;
        }

        protected List<boxData> BoxItems()
        {
            List<boxData> answ = new List<boxData>();
            int step = vBox.Height / (ValMax - ValMin);
            int numEv = EventList.Count;
            int evWidth = numEv > 1 ? (int)(1.2 * vBox.Width / numEv) : (int)(0.9 * vBox.Width);
            int offsetX = 1;
            int offsetY = 0;// step / 2;
            if (numEv > 0)
            {
                int xStep = evWidth / EventList.Count;
                int deltaX = 0;
                answ = EventList
                         .OrderBy(x => x.Inizio)
                         .Select(x => new boxData()
                         {
                             pX = offsetX + xStep * (deltaX++),
                             pY = offsetY + (x.Inizio.Hour - ValMin) * step,
                             width = evWidth,
                             height = offsetY + (x.Fine.Hour - ValMin) * step,
                             title = x.Title,
                             value = x.Description,
                             start = x.Inizio,
                             end = x.Fine,
                         })
                         .ToList();
            }
            return answ;
        }


        #endregion Protected Methods

        #region Protected Classes

        protected class labelData
        {
            #region Public Properties

            public int pX { get; set; } = 0;
            public int pY { get; set; } = 0;
            public string value { get; set; } = "";

            #endregion Public Properties
        }
        protected class boxData
        {
            #region Public Properties

            public int pX { get; set; } = 0;
            public int pY { get; set; } = 0;
            public int width { get; set; } = 0;
            public int height { get; set; } = 0;
            public DateTime start { get; set; } = DateTime.Today;
            public DateTime end { get; set; } = DateTime.Today;
            public string title { get; set; } = "";
            public string value { get; set; } = "";

            #endregion Public Properties
        }

        #endregion Protected Classes
    }
}