using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using KGIS.Framework.Utils.Helper;
using KGIS.Framework.Utils.Interface;
using Kingo.ImageViewForWebSocket;
using System.Collections.Generic;
using System.IO;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media.Imaging;

namespace Kingo.Plugin.General.View
{
    /// <summary>
    /// UCShowImage.xaml 的交互逻辑
    /// </summary>
    public partial class UCShowImage : BaseWindow
    {
        private List<AttachEntity> attachEntities = null;
        public string _imagePath { get; set; }
        public UCShowImage(string imagePath = "", List<AttachEntity> ImgList = null)
        {
            InitializeComponent();
            Control.CheckForIllegalCrossThreadCalls = false;//添加这句
            if (!string.IsNullOrEmpty(imagePath))
            {
                _imagePath = imagePath;
                LoadImage(imagePath);
            }
            if (ImgList != null)
                attachEntities = ImgList;
        }

        private BitmapImage _image;
        public BitmapImage Image
        {
            get { return _image; }
            set
            {
                if (_image != value)
                {
                    _image = value;
                    //OnPropertyChanged(nameof(Image));
                }
            }
        }

        public void LoadImage(string imagePath)
        {
            try
            {
                // 从图片路径加载图像数据
                byte[] imageData = File.ReadAllBytes(imagePath);
                // 将字节数据转换为BitmapImage
                using (MemoryStream memoryStream = new MemoryStream(imageData))
                {
                    BitmapImage bitmapImage = new BitmapImage();
                    bitmapImage.BeginInit();
                    bitmapImage.StreamSource = memoryStream;
                    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                    bitmapImage.EndInit();
                    // 设置Image属性值
                    Image = bitmapImage;
                    imgInfo.Source = Image;
                }
            }
            catch (System.Exception ex)
            {
                LogAPI.Debug("LoadImage异常：" + ex.Message);
                LogAPI.Debug("LoadImage异常：" + ex.StackTrace);
            }
        }

        #region 上一张
        private void Prev_Click(object sender, System.Windows.RoutedEventArgs e)
        {
            try
            {
                if (attachEntities != null && !string.IsNullOrEmpty(_imagePath))
                {
                    int attIndex = attachEntities.FindIndex(x => x.AttachLocationPath == _imagePath);
                    if (attIndex <= 0) return;
                    attIndex = attIndex - 1;
                    var attachEntitie = attachEntities[attIndex];
                    if (attachEntitie != null)
                    {
                        LoadImage(attachEntitie.AttachLocationPath);
                        _imagePath = attachEntitie.AttachLocationPath;

                        Platform.Instance.SendMsg(new KGIS.Framework.Utils.Interface.NotifyMsgPackage() { MsgType = "Prev" });
                    }
                }
            }
            catch (System.Exception ex)
            {
                LogAPI.Debug("LoadImage异常：" + ex.Message);
                LogAPI.Debug("LoadImage异常：" + ex.StackTrace);
            }
        }
        #endregion

        #region 下一张
        private void Next_Click(object sender, System.Windows.RoutedEventArgs e)
        {
            try
            {
                if (attachEntities != null && !string.IsNullOrEmpty(_imagePath))
                {
                    int attIndex = attachEntities.FindIndex(x => x.AttachLocationPath == _imagePath);
                    if (attIndex >= attachEntities.Count - 1) return;
                    attIndex = attIndex + 1;
                    var attachEntitie = attachEntities[attIndex];
                    if (attachEntitie != null)
                    {
                        LoadImage(attachEntitie.AttachLocationPath);
                        _imagePath = attachEntitie.AttachLocationPath;

                        Platform.Instance.SendMsg(new KGIS.Framework.Utils.Interface.NotifyMsgPackage() { MsgType = "Next" });
                    }
                }
            }
            catch (System.Exception ex)
            {
                LogAPI.Debug("LoadImage异常：" + ex.Message);
                LogAPI.Debug("LoadImage异常：" + ex.StackTrace);
            }
        }
        #endregion

        Point _pressedPosition;
        bool _isDragMoved = false;
        private void BaseWindow_PreviewMouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            _pressedPosition = e.GetPosition(this);
        }

        private void BaseWindow_PreviewMouseMove(object sender, System.Windows.Input.MouseEventArgs e)
        {
            if (Mouse.LeftButton == MouseButtonState.Pressed && _pressedPosition != e.GetPosition(this))
            {
                _isDragMoved = true;
                DragMove();
            }
        }

        private void BaseWindow_PreviewMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            if (_isDragMoved)
            {
                _isDragMoved = false;
                e.Handled = true;
            }
        }


    }
}