using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Media.Imaging;
using Work;

namespace _29WxOrderWpf.Converters
{
    public class ImageUrlToBitmapImageConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string url && Uri.IsWellFormedUriString(url, UriKind.Absolute))
            {
                try
                {
                    // 直接加载绑定如果遇到有问题的网络图片会直接崩溃。
                    //var bitMap = new BitmapImage(new Uri(url));
                    BitmapImage bitMap = null;
                    //bitMap = LoadImageFromUrl(url + "?imageView2/1/w/100/format/webp|imageMogr2/auto-orient=");
                    bitMap = AllBase.ImageBuild.LoadBitmipImageFromUrl(url);
                    return bitMap;
                    //string errStr = "";
                    //var bitmapImg = GetUrlImg(url, out errStr);
                    //return bitmapImg;
                }
                catch
                {

                }
                //return Task.Run(() => new BitmapImage(new Uri(url))); // 使用 Task.Run 来异步加载图片。
            }
            return null;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException(); // 不需要反向转换，所以不实现。
        }
    }
}