using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace VisableComponents
{
    public partial class MyTextBoxDate : UserControl
    {
        private EventHandler onValueChanged;
        public event EventHandler ValueChanged
        {
            add
            {
                onValueChanged += value;
            }
            remove
            {
                onValueChanged -= value;
            }
        }
        public string TextEr;
       public string Err { get { return TextEr; } private set { TextEr = value; } }
       public DateTime? DateMin = null;
       public DateTime? DateMax = null;
        public MyTextBoxDate()
        {
            InitializeComponent();
        }
        public DateTime? DateMaximum {
            get {  return DateMax ; }
            set {
                
                    DateMax = value;
                   
            }
        }
        public DateTime? DateMinimum
        {
            get { return DateMin; }
            set
            {
                
                    DateMin = value;
                   
                
            }
        }
        public DateTime? Value
        {
            get
            {
                if(DateMin is null || DateMax is null) {
                    Err = "Ошибка: НЕТ диапазона";
                    return null;
                }
                if (dateTimePicker.Value > DateMax || dateTimePicker.Value < DateMin)
                {
                    Err = "Ошибка: Выход за допустимые пределы!!!";
                    return null;
                }
                    return dateTimePicker.Value;
            }
            set 
            {
                if (value == null) return;
                if (value > DateMax || value < DateMin) return;
                dateTimePicker.Value = (DateTime)value;
            }
        }

        private void dateTimePicker_ValueChanged(object sender, EventArgs e)
        {
            if (dateTimePicker.Value >= DateMinimum && dateTimePicker.Value <= DateMaximum) panel.BackColor = Color.LightBlue;
            else panel.BackColor = Color.Red;
            onValueChanged?.Invoke(this,e);
        }
    }
}