using System;
using System.IO;
using System.Windows;
using System.Windows.Interop;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace JJServiceManager
{
    /// <summary>Views 폴더의 XAML 리소스를 실행 시 읽어들임</summary>
    public static class XamlLoader
    {
        public static object Load(string fileName)
        {
            var asm = typeof(XamlLoader).Assembly;
            var resName = "JJServiceManager.Views." + fileName;
            using var stream = asm.GetManifestResourceStream(resName)
                ?? throw new InvalidOperationException("화면 리소스를 찾을 수 없습니다: " + resName);
            return XamlReader.Load(stream);
        }

        public static FrameworkElement LoadElement(string fileName) => (FrameworkElement)Load(fileName);

        public static T Find<T>(this FrameworkElement root, string name) where T : class
            => root.FindName(name) as T ?? throw new InvalidOperationException($"'{name}' 요소를 찾을 수 없습니다.");
    }

    public static class AppIcon
    {
        private static ImageSource _image;
        private static System.Drawing.Icon _icon;

        /// <summary>트레이용 아이콘</summary>
        public static System.Drawing.Icon Icon
        {
            get
            {
                if (_icon == null)
                {
                    try { _icon = System.Drawing.Icon.ExtractAssociatedIcon(Environment.ProcessPath); }
                    catch { _icon = System.Drawing.SystemIcons.Application; }
                }
                return _icon;
            }
        }

        /// <summary>창 제목줄용 아이콘</summary>
        public static ImageSource Image
        {
            get
            {
                if (_image == null)
                {
                    try
                    {
                        _image = Imaging.CreateBitmapSourceFromHIcon(Icon.Handle, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
                        _image.Freeze();
                    }
                    catch { }
                }
                return _image;
            }
        }

        public static void Apply(Window w)
        {
            var img = Image;
            if (img != null) w.Icon = img;
        }
    }

    public static class Brushes2
    {
        public static SolidColorBrush Make(string hex)
        {
            var b = new SolidColorBrush((System.Windows.Media.Color)ColorConverter.ConvertFromString(hex));
            b.Freeze();
            return b;
        }

        public static readonly SolidColorBrush Running = Make("#2E7D32");
        public static readonly SolidColorBrush Stopped = Make("#C62828");
        public static readonly SolidColorBrush Pending = Make("#EF6C00");
        public static readonly SolidColorBrush Unknown = Make("#757575");
    }

    public static class Dialogs
    {
        public static bool Confirm(Window owner, string message, string title = "확인")
        {
            var r = owner != null && owner.IsVisible
                ? MessageBox.Show(owner, message, title, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No)
                : MessageBox.Show(message, title, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No);
            return r == MessageBoxResult.Yes;
        }

        public static void Info(Window owner, string message, string title = "알림")
        {
            if (owner != null && owner.IsVisible)
                MessageBox.Show(owner, message, title, MessageBoxButton.OK, MessageBoxImage.Information);
            else
                MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Information);
        }

        public static void Error(Window owner, string message, string title = "오류")
        {
            if (owner != null && owner.IsVisible)
                MessageBox.Show(owner, message, title, MessageBoxButton.OK, MessageBoxImage.Warning);
            else
                MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Warning);
        }
    }
}