using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using AbazovViewComponents.Exceptions;

namespace AbazovViewComponents.Components
{
    public partial class AbazovDatePicker : UserControl
    {
        public AbazovDatePicker()
        {
            InitializeComponent();
        }
        public event Action<DateTime> DateChange;
        private bool lowBoundrySet = false;
        private bool highBoundrySet = false;

        public DateTime? dateFrom
        {
            get
            {
                return lowBoundrySet ? dateTimePicker.MinDate : null;
            }
            set
            {
                if (value.HasValue)
                {
                    dateTimePicker.MinDate = value.Value;
                    lowBoundrySet = true;
                }
            }
        }
        public DateTime? dateTo
        {
            get 
            { 
                return highBoundrySet ? dateTimePicker.MaxDate : null; }
            set 
            {
                if (value.HasValue)
                {
                    dateTimePicker.MaxDate = value.Value;
                    highBoundrySet = true;
                }
            }
        }

        public DateTime Value
        {
            get 
            { 
                if (dateFrom is null && dateTo is null) throw new DateBoundsNotSetException("Не заданы диапазоны компонента!");
                if (this.dateTimePicker.Value < dateFrom || this.dateTimePicker.Value > dateTo) throw new DateOutOfBoundsException("Дата вне диапазона!");
                return this.dateTimePicker.Value; 
            }
            set 
            { 
                if (dateFrom is not null && dateTo is not null && value >= dateFrom && value <= dateTo) this.dateTimePicker.Value = value; 
            }
        }

        private void dateTimePicker_ValueChanged(object sender, EventArgs e)
        {
            DateChange.Invoke(dateTimePicker.Value);
        }
    }
}