using System;
using System.Drawing;
using System.IO;

namespace ImageProcessing
{
    internal class Program
    {
        // Path to the input and output image files
        // The file should be located where the .exe application is
        public static string imagePath = "image.jpg";
        public static string newImagePath = "newImage.jpg";

        public static void Main(string[] args)
        {

        }

        public static void BrightenImage(Bitmap img)
        {

        }

        public static void DarkenImage(Bitmap img)
        {

        }

        public static void SwapColors(Bitmap img)
        {


        }

        // This method converts the RGB values entered by the user into a Color object.
        public static Color ConvertStringToColor(string rgb)
        {
            int r, g, b;

            try
            {
                string[] rgbComponents = rgb.Split(',');
                r = int.Parse(rgbComponents[0]);
                g = int.Parse(rgbComponents[1]);
                b = int.Parse(rgbComponents[2]);
                return Color.FromArgb(r, g, b);
            }
            catch (Exception e)
            {
                Console.WriteLine("Invalid color input. Setting default color (black).");
                return Color.Black;
            }
        }

        // This method prevents values from exceeding the 0-255 (RGB) range by clamping the variables.
        public static int ClampValue(int value)
        {
            if (value < 0) return 0;
            if (value > 255) return 255;

            return value;
        }

        // This method retrieves the image from the given path and displays a message if there's a problem.
        public static Bitmap LoadImage(string filePath)
        {
            if (File.Exists(filePath) == false) return null;

            try
            {
                Bitmap bitmap = new Bitmap(filePath);
                return bitmap;
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                return null;
            }
        }
    }
}