using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace OwnForms
{
    class Icons
    {
        /// <summary>
        /// Control the possible icons.
        /// </summary>
        public Icons()
        {
            SetIcon(Icon.Information); //Initialisiere ein Icon
        }

        //Die vorhandenen Icons
        public enum Icon
        {
            Construction,
            Email,
            Error,
            FatalError,
            Information,
            Instruction,
            Question,
            Telephon,
            Tips,
            Warning
        }

        /// <summary>
        /// Stores the current icon.
        /// </summary>
        public Icon CurrentIcon { private set; get; }

        /// <summary>
        /// Stores the current icon image.
        /// </summary>
        public Bitmap CurrentIconImage { private set; get; }

        /// <summary>
        /// Sets the used icon.
        /// </summary>
        /// <param name="icon">A valid icon. Possible options are: 'Construction', 'Email', 'Error', 'FatalError', 'Information', 'Instruction', 'Question', 'Telephone', 'Tips', 'Warning'.</param>
        /// <returns>Returns the image name.</returns>
        public Bitmap SetIcon(Icon icon)
        {
            switch (icon)
            {
                case Icon.Construction:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Construction.png");
                    break;
                case Icon.Email:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Email.png");
                    break;
                case Icon.Error:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Error.png");
                    break;
                case Icon.FatalError:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.FatalError.png");
                    break;
                case Icon.Instruction:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Instruction.png");
                    break;
                case Icon.Question:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Question.png");
                    break;
                case Icon.Telephon:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Telephon.png");
                    break;
                case Icon.Tips:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Tips.png");
                    break;
                case Icon.Warning:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Warning.png");
                    break;
                default:
                    CurrentIconImage = GetIconImage("Test_Form.Resources.Information.png");
                    break;
            }
            CurrentIcon = icon;
            return CurrentIconImage;
        }
        
        private Bitmap GetIconImage(string icon)
        {
            Assembly myAssembly = Assembly.GetExecutingAssembly();
            Stream myStream = myAssembly.GetManifestResourceStream(icon);
            Bitmap bmp = new Bitmap(myStream);
            return bmp;
        }
    }
}