using System.IO;
using System.Reflection;
using System.Windows.Forms;

namespace Notepad.Presentation.Views.Menu.Help {
    public partial class AboutApplicationView : Form, IAboutApplicationView {
        public AboutApplicationView() {
            InitializeComponent();
            labelProductName.Text = AssemblyProduct;
            labelVersion.Text = string.Format("Version {0} {0}", AssemblyVersion);
            uxCopyright.Text = AssemblyCopyright;
            uxCompanyName.Text = AssemblyCompany;
            uxDescription.Text = AssemblyDescription;
        }

        public void Display() {
            ShowDialog();
        }

        public string AssemblyTitle
        {
            get
            {
                object[] attributes =
                    Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
                if (attributes.Length > 0)
                {
                    AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
                    if (titleAttribute.Title != "")
                    {
                        return titleAttribute.Title;
                    }
                }
                return Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
            }
        }

        public string AssemblyVersion
        {
            get { return Assembly.GetExecutingAssembly().GetName().Version.ToString(); }
        }

        public string AssemblyDescription
        {
            get
            {
                object[] attributes =
                    Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyDescriptionAttribute)attributes[0]).Description;
            }
        }

        public string AssemblyProduct
        {
            get
            {
                object[] attributes =
                    Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyProductAttribute)attributes[0]).Product;
            }
        }

        public string AssemblyCopyright
        {
            get
            {
                object[] attributes =
                    Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
            }
        }

        public string AssemblyCompany
        {
            get
            {
                object[] attributes =
                    Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyCompanyAttribute)attributes[0]).Company;
            }
        }
    }
}