using OpenCvSharp;
using OpenCvSharp.WpfExtensions;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
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.Forms;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace ILSOS_KS.Views.PopUP
{
    public class BoolToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
            => (value is bool b && b) ? Visibility.Visible : Visibility.Collapsed;

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
            => (value is Visibility v && v == Visibility.Visible);
    }

    public class InverseBoolToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
            => (value is bool b && b) ? Visibility.Collapsed : Visibility.Visible;

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
            => !(value is Visibility v && v == Visibility.Visible);
    }

    /// <summary>
    /// PopupUpWindows.xaml에 대한 상호 작용 논리
    /// </summary>
    public partial class PopupUpWindows : System.Windows.Window
    {
        public PopupUpWindows(PopupWindowViewModel viewModel)
        {
            InitializeComponent();
            DataContext = viewModel;

            this.Title = "PopUpWindows";

            Loaded += (s, e) =>
            {
                // 세로 기준 화면 90%, 비율 1:1, 가로 추가 100px
                AdjustWindowSize(0.95, 1, 1, 100 + 468);
                CenterOnActiveScreen();
            };
        }

        private void AdjustWindowSize(double heightPercent, double aspectWidth, double aspectHeight, double extraWidth = 0)
        {
            var vm = DataContext as PopupWindowViewModel;
            if (vm == null) return;

            // 현재 화면 가져오기
            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
            var workingArea = screen.WorkingArea;

            // DPI 보정
            double dpiX = GetDpiX();
            double dpiY = GetDpiY();

            // 화면 세로 기준 비율 적용
            double targetHeight = workingArea.Height * heightPercent * (96.0 / dpiY);

            // 가로/세로 비율 계산
            double aspectRatio = aspectWidth / aspectHeight;

            // 가로는 비율에 맞춰 계산 + 추가 가로
            double targetWidth = targetHeight * aspectRatio + extraWidth;

            // 화면 너비보다 크면 화면에 맞춰 조정
            double maxWidth = workingArea.Width * (96.0 / dpiX);
            if (targetWidth > maxWidth)
            {
                targetWidth = maxWidth;
                targetHeight = targetWidth / aspectRatio; // 비율 유지
            }

            // 창 크기 적용
            this.Width = targetWidth;
            this.Height = targetHeight;
        }

        private void CenterOnActiveScreen()
        {
            var hwnd = new System.Windows.Interop.WindowInteropHelper(this).Handle;
            if (hwnd == IntPtr.Zero) return;

            var screen = System.Windows.Forms.Screen.FromHandle(hwnd);
            var workingArea = screen.WorkingArea;

            double dpiX = GetDpiX();
            double dpiY = GetDpiY();

            double workAreaLeft = workingArea.Left * 96.0 / dpiX;
            double workAreaTop = workingArea.Top * 96.0 / dpiY;
            double workAreaWidth = workingArea.Width * 96.0 / dpiX;
            double workAreaHeight = workingArea.Height * 96.0 / dpiY;

            Left = workAreaLeft + (workAreaWidth - ActualWidth) / 2;
            Top = workAreaTop + (workAreaHeight - ActualHeight) / 2;
        }

        private double GetDpiX()
        {
            var source = PresentationSource.FromVisual(this);
            return source?.CompositionTarget != null
                ? 96.0 * source.CompositionTarget.TransformToDevice.M11
                : 96.0;
        }

        private double GetDpiY()
        {
            var source = PresentationSource.FromVisual(this);
            return source?.CompositionTarget != null
                ? 96.0 * source.CompositionTarget.TransformToDevice.M22
                : 96.0;
        }


    }


}