using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ComponentProgramming
{
    public partial class ControlImage : UserControl
    {
        private event EventHandler? _avatarChanged;
        private event Action? _errorOccured;
        public string Error { get; private set; }
        public Image Avatar
        {
            get
            {
                return pictureBoxAvatar.Image;
            }
            set
            {
                pictureBoxAvatar.Image = value;
            }
        }

        public event EventHandler AvatarChanged
        {
            add { _avatarChanged += value; }
            remove { _avatarChanged -= value; }
        }

        public event Action AnErrorOccured
        {
            add { _errorOccured += value; }
            remove { _errorOccured -= value; }
        }

        public ControlImage()
        {
            InitializeComponent();
            Error = string.Empty;
        }

        private void buttonLoad_Click(object sender, EventArgs e)
        {
            var ofd = new OpenFileDialog();
            if(ofd.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    pictureBoxAvatar.Image = Image.FromFile(ofd.FileName);
                    pictureBoxAvatar.Width = pictureBoxAvatar.Image.Width;
                    _avatarChanged?.Invoke(this, e);
                }
                catch( Exception ex)
                {
                    Error = ex.Message;
                    _errorOccured?.Invoke();
                }
            }
        }
    }
}