using ComPDFKitViewer.PdfViewer;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;

namespace Compdfkit_Tools.Measure
{
    /// <summary>
    /// MeasureSettingPanel.xaml 的交互逻辑
    /// </summary>
    public partial class MeasureSettingPanel : UserControl
    {
        public event EventHandler CancelEvent;
        public event EventHandler DoneEvent;

        public bool ReturnToInfoPanel { get; set; }
        public MeasureSettingPanel()
        {
            InitializeComponent();
        }

        private void ButtonCancel_Click(object sender, RoutedEventArgs e)
        {
            CancelEvent?.Invoke(this, e);
            ReturnToInfoPanel = false;
        }

        private void ButtonDone_Click(object sender, RoutedEventArgs e)
        {
            SaveMeasureSetting();
            DoneEvent?.Invoke(this, e);
            ReturnToInfoPanel = false;
        }

        private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            List<Key> allowKeys = new List<Key>()
            {
                Key.Delete, Key.Back, Key.Enter, Key.NumPad0,  Key.NumPad1, Key.NumPad2, Key.NumPad3,
                Key.NumPad4, Key.NumPad5, Key.NumPad6, Key.NumPad7, Key.NumPad8, Key.NumPad9, Key.D0,
                Key.D1, Key.D2, Key.D3, Key.D4, Key.D5, Key.D6, Key.D7, Key.D8, Key.D9, Key.Left, Key.Right,
                Key.OemPeriod,Key.Decimal
            };

            if (allowKeys.Contains(e.Key) == false)
            {
                e.Handled = true;
            }
        }

        private void TextBox_CanExecute(object sender, CanExecuteRoutedEventArgs e)
        {
            try
            {
                if (e.Command == ApplicationCommands.Paste && Clipboard.ContainsText())
                {
                    string checkText = Clipboard.GetText();
                    if (int.TryParse(checkText, out int value))
                    {
                        e.CanExecute = true;
                    }
                    e.Handled = true;
                }
            }
            catch (Exception ex)
            {

            }
        }

        public void BindMeasureSetting()
        {
            RulerBaseText.Text=MeasureSetting.RulerBase.ToString();
            RulerTranslateText.Text=MeasureSetting.RulerTranslate.ToString();
            RulerTranslateCombo.SelectedIndex = -1;
            RulerBaseUnitCombo.SelectedIndex = -1;
            PrecisionBox.SelectedIndex = -1;
            if (MeasureSetting.RulerBaseUnit=="in")
            {
                RulerBaseUnitCombo.SelectedIndex = 0;
            }
            if (MeasureSetting.RulerBaseUnit == "cm")
            {
                RulerBaseUnitCombo.SelectedIndex = 1;
            }
            if (MeasureSetting.RulerBaseUnit == "mm")
            {
                RulerBaseUnitCombo.SelectedIndex = 2;
            }

           for(int i=0;i< RulerTranslateCombo.Items.Count;i++)
            {
                ComboBoxItem checkItem= RulerTranslateCombo.Items[i] as ComboBoxItem;
                if(checkItem!=null && checkItem.Content.ToString()==MeasureSetting.RulerTranslateUnit.ToString())
                {
                    RulerTranslateCombo.SelectedIndex = i;
                }
            }

            for (int i = 0; i < PrecisionBox.Items.Count; i++)
            {
                ComboBoxItem checkItem = PrecisionBox.Items[i] as ComboBoxItem;
                if (checkItem != null && checkItem.Content.ToString() == MeasureSetting.Precision.ToString())
                {
                    PrecisionBox.SelectedIndex = i;
                }
            }
        }

        private void SaveMeasureSetting()
        {
            if(double.TryParse(RulerBaseText.Text,out double ruleBase))
            {
                MeasureSetting.RulerBase = ruleBase;
            }
            
            if(RulerBaseUnitCombo.SelectedItem!=null)
            {
                ComboBoxItem checkItem = RulerBaseUnitCombo.SelectedItem as ComboBoxItem;
                MeasureSetting.RulerBaseUnit= checkItem.Content.ToString();
            }

            if (double.TryParse(RulerTranslateText.Text, out double ruletranBase))
            {
                MeasureSetting.RulerTranslate = ruletranBase;
            }

            if (RulerTranslateCombo.SelectedItem != null)
            {
                ComboBoxItem checkItem = RulerTranslateCombo.SelectedItem as ComboBoxItem;
                MeasureSetting.RulerTranslateUnit = checkItem.Content.ToString();
            }

            if (PrecisionBox.SelectedValue!=null)
            {
                ComboBoxItem checkItem = PrecisionBox.SelectedValue as ComboBoxItem;
                if (double.TryParse(checkItem.Content.ToString(), out double precision))
                {
                    MeasureSetting.Precision = precision;
                }
            }
        }
    }
}