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 MahApps.Metro.Controls;
using System.Reflection;
using System.Collections.ObjectModel;

namespace WPFColorAssiant
{
    public class ColorInfo
    {
        public Brush SolidColorBrush { get; set; }
        public Color ColorObject;
        public string Name { get; set; }

        public ColorInfo(PropertyInfo pi) {
            Name = pi.Name;
            var c = (Color)pi.GetValue(null, null);
            ColorObject = c;
            SolidColorBrush = new SolidColorBrush(c);
        }
    }
    
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    /// 
    public partial class MainWindow : MetroWindow
    {
        private ObservableCollection<ColorInfo> SysColorList;

        public MainWindow()
        {
            InitializeComponent();
            SysColorList = new ObservableCollection<ColorInfo>();
            PropertyInfo[] props = typeof(Colors).GetProperties();
            foreach(var color in props){
                ColorInfo ci = new ColorInfo(color);
                SysColorList.Add(ci);
            }
            ColorListBox.ItemsSource = SysColorList;
        }

        private void ColorListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (ColorListBox.SelectedValue != null)
            {
                ColorInfo ci = (ColorInfo)ColorListBox.SelectedValue;
                ColorViewBox.Fill = ci.SolidColorBrush;
                vlb_ColorName.Content = ci.Name;
                vlb_ColorHex.Content = ColorToHex(ci.ColorObject);
                vlb_ColorR.Content = ci.ColorObject.R;
                vlb_ColorG.Content = ci.ColorObject.G;
                vlb_ColorB.Content = ci.ColorObject.B;
                vlb_ColorScR.Content = ci.ColorObject.ScR;
                vlb_ColorScG.Content = ci.ColorObject.ScG;
                vlb_ColorScB.Content = ci.ColorObject.ScB;
            }
        }

        private void btn_CopyColorName_Click(object sender, RoutedEventArgs e)
        {
            Clipboard.SetText(vlb_ColorName.Content.ToString(), TextDataFormat.Text);
        }

        private void btn_CopyColorHex_Click(object sender, RoutedEventArgs e)
        {
            Clipboard.SetText(vlb_ColorHex.Content.ToString(), TextDataFormat.Text);
        }

        public static string ColorToHex(Color c){
            return string.Format("#{0:X02}{1:X02}{2:X02}", c.R, c.G, c.B);
        }

        private void btn_CopyRGB_Click(object sender, RoutedEventArgs e)
        {
            var s = string.Format(
                "({0},{1},{2})",
                vlb_ColorR.Content.ToString(),
                vlb_ColorG.Content.ToString(),
                vlb_ColorB.Content.ToString()
            );
        }

        private void btn_CopyScRGB_Click(object sender, RoutedEventArgs e)
        {
            var s = string.Format(
                "({0},{1},{2})",
                vlb_ColorScR.Content.ToString(),
                vlb_ColorScG.Content.ToString(),
                vlb_ColorScB.Content.ToString()
            );
        }

        private void Btn_AsForeground_Click(object sender, RoutedEventArgs e)
        {
            if (ColorListBox.SelectedValue != null)
            {
                var c = (ColorInfo)ColorListBox.SelectedValue;
                clb_l1.Foreground = c.SolidColorBrush;
                clb_l2.Foreground = c.SolidColorBrush;
            }
        }

        private void Btn_AsBackground_Click(object sender, RoutedEventArgs e)
        {
            if (ColorListBox.SelectedValue != null)
            {
                var c = (ColorInfo)ColorListBox.SelectedValue;
                clb_l1.Background = c.SolidColorBrush;
                clb_l2.Background = c.SolidColorBrush;
            }
        }
    }
}