using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;

namespace DotNetHelper
{
	#region // AssemblyProperties

	/// <summary>
	/// Contains static properties that reflect this assembly's properties, such as Title and Version.
	/// </summary>
	public static class AssemblyProperties
	{
		#region Properties ------------------------------------------

		/// <summary>
		/// Retrieves the title of the currently executing assembly.
		/// </summary>
		public static string AssemblyTitle
		{
			get
			{
				// Get all Title attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
				// If there is at least one Title attribute
				if (attributes.Length > 0)
				{
					// Select the first one
					AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
					// If it is not an empty string, return it
					if (titleAttribute.Title != "")
						return titleAttribute.Title;
				}
				// If there was no Title attribute, or if the Title attribute was the empty string, return the .exe name
				return System.IO.Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
			}
		}

		/// <summary>
		/// Retrieves the version of the currently executing assembly.
		/// </summary>
		public static string AssemblyVersion
		{
			get
			{
				return Assembly.GetExecutingAssembly().GetName().Version.ToString();
			}
		}

		/// <summary>
		/// Retrieves the trademark of the currently executing assembly.
		/// </summary>
		public static string AssemblyTrademark
		{
			get
			{
				// Get all Description attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTrademarkAttribute), false);
				// If there aren't any Description attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Description attribute, return its value
				return ((AssemblyTrademarkAttribute)attributes[0]).Trademark;
			}
		}

		/// <summary>
		/// Retrieves the description of the currently executing assembly.
		/// </summary>
		public static string AssemblyDescription
		{
			get
			{
				// Get all Description attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
				// If there aren't any Description attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Description attribute, return its value
				return ((AssemblyDescriptionAttribute)attributes[0]).Description;
			}
		}

		/// <summary>
		/// Retrieves the product of the currently executing assembly.
		/// </summary>
		public static string AssemblyProduct
		{
			get
			{
				// Get all Product attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
				// If there aren't any Product attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Product attribute, return its value
				return ((AssemblyProductAttribute)attributes[0]).Product;
			}
		}

		/// <summary>
		/// Retrieves the copyright of the currently executing assembly.
		/// </summary>
		public static string AssemblyCopyright
		{
			get
			{
				// Get all Copyright attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
				// If there aren't any Copyright attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Copyright attribute, return its value
				return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
			}
		}

		/// <summary>
		/// Retrieves the company of the currently executing assembly.
		/// </summary>
		public static string AssemblyCompany
		{
			get
			{
				// Get all Company attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
				// If there aren't any Company attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Company attribute, return its value
				return ((AssemblyCompanyAttribute)attributes[0]).Company;
			}
		}

		#endregion	// Properties
	}

	#endregion // AssemblyProperties

	#region // FileSystemHelper

	class FileSystemHelper
	{
		/// <summary>
		/// Removes any read-only attributes from files in a directory, optionally recursively.
		/// </summary>
		/// <param name="path">The directory from which to remove read-only attributes from files.</param>
		/// <param name="bRecurse">If true, attributes are changed for all sub-folders recursively.</param>
		/// <remarks>
		/// The function can be useful when you want to delete a directory that may or may not
		/// contain file that are read-only.
		/// </remarks>
		public static void MakeDirectoryReadWrite(string path, bool bRecurse)
		{
			string[] files = System.IO.Directory.GetFiles(path);

			foreach (string file in files)
			{
				System.IO.File.SetAttributes(file, System.IO.FileAttributes.Normal);
			}

			if (bRecurse)
			{
				string[] directories = System.IO.Directory.GetDirectories(path);
				foreach (string directory in directories)
				{
					MakeDirectoryReadWrite(directory, bRecurse);
				}
			}
		}
	}

	#endregion // FileSystemHelper
}