/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using System;
using System.Drawing;
using System.IO;
using System.Windows.Media.Imaging;
using VisionCommon;

namespace VisionCommonUI {
    public static class ThumbnailImage {
        public static Bitmap OCR() {
            var bitmapImage = new BitmapImage(
                new Uri("pack://application:,,,/VisionCommonUI;component/Icons/Thumbnail/ocr.png"));
            return ToBitmap(bitmapImage);
        }

        public static Bitmap Code() {
            var bitmapImage = new BitmapImage(
                new Uri("pack://application:,,,/VisionCommonUI;component/Icons/Thumbnail/barcode.png"));
            return ToBitmap(bitmapImage);
        }

        public static Bitmap Blob() {
            var bitmapImage = new BitmapImage(
                new Uri("pack://application:,,,/VisionCommonUI;component/Icons/Thumbnail/blob.png"));
            return ToBitmap(bitmapImage);
        }

        public static Bitmap Brightness() {
            var bitmapImage = new BitmapImage(
                new Uri("pack://application:,,,/VisionCommonUI;component/Icons/Thumbnail/brightness.png"));
            return ToBitmap(bitmapImage);
        }

        private static Bitmap ToBitmap(BitmapImage bitmapImage) {
            using (MemoryStream outStream = new MemoryStream()) {
                BitmapEncoder enc = new BmpBitmapEncoder();
                enc.Frames.Add(BitmapFrame.Create(bitmapImage));
                enc.Save(outStream);
                Bitmap bitmap = new Bitmap(outStream);
                if (VisionEnv.GetMainTheme() == Aurora.View.eMainTheme.Light) {
                    bitmap = ApplyWhiteFilter(bitmap);
                }
                return new Bitmap(bitmap);
            }
        }
        static Bitmap ApplyWhiteFilter(Bitmap original) {
            Bitmap result = new Bitmap(original.Width, original.Height);

            for (int y = 0; y < original.Height; y++) {
                for (int x = 0; x < original.Width; x++) {
                    Color pixelColor = original.GetPixel(x, y);

                    // 하얀색 필터 적용 (여기서는 색상을 밝게 조정)
                    int r = Math.Min(255, pixelColor.R + 100); // 빨간색 값 증가
                    int g = Math.Min(255, pixelColor.G + 100); // 초록색 값 증가
                    int b = Math.Min(255, pixelColor.B + 100); // 파란색 값 증가

                    Color newColor = Color.FromArgb(r, g, b);
                    result.SetPixel(x, y, newColor);
                }
            }
            return result;
        }
    }
}