/*
TShock, a server mod for Terraria
Copyright (C) 2011 The TShock Team

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
using System.Linq;
using System.Text.RegularExpressions;

namespace Rests
{
	public class RestCommand
	{
		public string Name { get; protected set; }
		public string UriTemplate { get; protected set; }
		public string UriVerbMatch { get; protected set; }
		public string[] UriVerbs { get; protected set; }
		public RestCommandD Callback { get; protected set; }
		public bool RequiresToken { get; set; }

		/// <summary>
		/// 
		/// </summary>
		/// <param name="name">Used for identification</param>
		/// <param name="uritemplate">Url template</param>
		/// <param name="callback">Rest Command callback</param>
		public RestCommand(string name, string uritemplate, RestCommandD callback)
		{
			Name = name;
			UriTemplate = uritemplate;
			UriVerbMatch = string.Format("^{0}$", string.Join("([^/]*)", Regex.Split(uritemplate, "\\{[^\\{\\}]*\\}")));
			var matches = Regex.Matches(uritemplate, "\\{([^\\{\\}]*)\\}");
			UriVerbs = (from Match match in matches select match.Groups[1].Value).ToArray();
			Callback = callback;
			RequiresToken = true;
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="uritemplate">Url template</param>
		/// <param name="callback">Rest Command callback</param>
		public RestCommand(string uritemplate, RestCommandD callback)
			: this(string.Empty, uritemplate, callback)
		{
		}

		public bool HasVerbs
		{
			get { return UriVerbs.Length > 0; }
		}
	}
}