/*
  * Copyright (c) 2022 LG Electronics Inc.
  * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
  */

using AuroraUIComponent.UserControls.KeyValueBase;
using System;
using System.Collections.Generic;
using System.Windows;

namespace AuroraUIComponent.UserControls
{
    /// <summary>
    /// Interaction logic for UCKeyComboBox.xaml
    /// </summary>
    public partial class UCKeyComboBoxNumber : UCKeyValueBase
    {
        public static readonly DependencyProperty ValueTextProperty
               = DependencyProperty.Register(
                   nameof(ValueText),
                   typeof(int),
                   typeof(UCKeyComboBoxNumber),
                   new FrameworkPropertyMetadata(
                       0,
                       FrameworkPropertyMetadataOptions.BindsTwoWayByDefault
                   ));

        public object ValueText {
            get { return GetValue(ValueTextProperty); }
            set { SetValue(ValueTextProperty, value); }
        }

        public static readonly DependencyProperty MinValueProperty
                       = DependencyProperty.Register(
                           nameof(MinValue),
                           typeof(int),
                           typeof(UCKeyComboBoxNumber),
                           new FrameworkPropertyMetadata(
                               0,
                               FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnMinMaxValueChanged));

        public int MinValue {
            get { return (int)GetValue(MinValueProperty); }
            set { SetValue(MinValueProperty, value); }
        }

        public static readonly DependencyProperty MaxValueProperty
                       = DependencyProperty.Register(
                           nameof(MaxValue),
                           typeof(int),
                           typeof(UCKeyComboBoxNumber),
                           new FrameworkPropertyMetadata(
                               2,
                               FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnMinMaxValueChanged));

        public int MaxValue {
            get { return (int)GetValue(MaxValueProperty); }
            set { SetValue(MaxValueProperty, value); }
        }

        private static void OnMinMaxValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (d is UCKeyComboBoxNumber sender) {
                sender.ResizeComboBox();
            }
        }
        public UCKeyComboBoxNumber()
        {
            InitializeComponent();
        }

        public override void EndInit()
        {
            ResizeComboBox();

            base.EndInit();
        }

        private void ResizeComboBox()
        {
            if (KeyText != null) {
                List<int> list = new List<int>();
                for (int i = MinValue; i <= MaxValue; i++) {
                    list.Add(i);
                }

                TextValue.ItemsSource = list;
                TextValue.SelectedItem = ValueText;
            }
        }

        protected override void KeyTextChanged(string newValue)
        {
            if (string.IsNullOrEmpty(newValue)) {
                // KeyText 가 없으므로, 해당 grid 의 width 를 0 으로 만든다
                GridParent.ColumnDefinitions[0].Width = new GridLength(0);
            }
        }
    }
}