using System;
using System.IO;
using System.Web;
using System.Web.Services.Protocols;

namespace Repository
{
	/// <summary>
	/// <p>Deploys and undeploys archives.<br/>
	/// Calls Deploy proxy.<br/>
	/// Implements only static methods.<br/>
	/// Base class of RepSubs and RepoArchs.</p>
	/// <p>Copyright (c) 2002 Alexis Grandemange<br/>
	/// Mail: alexis.grandemange@pagebox.net</p>
	/// <pre>This program is free software; you can redistribute it and/or
	/// modify it under the terms of the GNU Lesser General Public
	/// License as published by the Free Software Foundation; version
	/// 2.1 of the License.
	/// This library 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 Lesser General Public License for more details.
	/// A copy of the GNU Lesser General Public License lesser.txt should be
	/// included in the distribution.</pre>
	/// </summary>
	public class Deployer
	{
		/// <summary>Deploy on a PageBox.</summary>
		/// <returns>status</returns>
		/// <param name="user">user who issued the command</param>
		/// <param name="host">host which issued the command</param>
		/// <param name="pu">PageBox URL</param>
		/// <param name="a">archive</param>
		/// <param name="o">owner</param>
		/// <param name="dou">documentation URL</param>
		/// <param name="du">download URL</param>
		protected static string deploy(string user, string host, string pu, string a, string o, 
			string dou, string du)
		{
			if (!File.Exists(Global.archRep.downloadPath + a))
				return a + " doesn't exist";
			DateTime date = File.GetLastWriteTime(Global.archRep.downloadPath + a);
			FileStream fs = File.Open(Global.archRep.downloadPath + a, FileMode.Open, FileAccess.Read);
			int size = (int)fs.Length;
			fs.Close();
			String pageboxURL = pu;
			if (pu.IndexOf("://") == -1)
				pageboxURL = "http://" + pu;
			Deploy d = new Deploy(pageboxURL);
			try 
			{
				d.Discover();
			}
			catch(Exception e) 
			{
				Log.write(user, host, "deploy(" + pu + ", " + a + ", " + o + ") returned pending deploy");
				return a + " pending deploy";
			}
			try 
			{
				string rc = d.add(a, du, o, size, date, dou, user);
				Log.write(user, host, "deploy(" + pu + ", " + a + ", " + o + ") returned " + rc);
				if (rc.Equals(a + " installed"))
					return rc;
				else
					return null;
			}
			catch(System.Net.WebException we) 
			{
				Log.write(user, host, "deploy(" + pu + ", " + a + ", " + o + ") returned pending deploy");
				return a + " pending deploy";
			}
			catch(System.Web.HttpException he)
			{
				Log.write(user, host, "deploy(" + pu + ", " + a + ", " + o + ") returned pending deploy");
				return a + " pending deploy";
			}
			catch(SoapException se) 
			{
				Log.write(user, host, "deploy(" + pu + ", " + a + ", " + o + ") returned pending deploy");
				return a + " pending deploy";
			}
		}
		/// <summary>Undeploy from a PageBox.</summary>
		/// <returns>true in case of success</returns>
		/// <param name="user">user who issued the command</param>
		/// <param name="host">host which issued the command</param>
		/// <param name="pu">PageBox URL</param>
		/// <param name="a">archive</param>
		/// <param name="o">owner</param>
		/// <param name="du">download URL</param>
		protected static bool undeploy(string user, string host, string pu, string a, string o, string du) 
		{
			String pageboxURL = pu;
			if (pu.IndexOf("://") == -1)
				pageboxURL = "http://" + pu;
			Deploy d = new Deploy(pageboxURL);
			try 
			{
				d.Discover();
			}
			catch(Exception e) 
			{
				Log.write(user, host,
					"undeploy(" + pu + ", " + a + ", " + o + ") returned pending undeploy");
				return false;
			}
			string rc = "";
			try
			{
				rc = d.delete(a, du, o, user);
			}
			catch(System.Net.WebException we) 
			{
				Log.write(user, host,
					"undeploy(" + pu + ", " + a + ", " + o + ") returned pending undeploy");
				return false;
			}
			catch(System.Web.HttpException he)
			{
				Log.write(user, host,
					"undeploy(" + pu + ", " + a + ", " + o + ") returned pending undeploy");
				return false;
			}
			catch(SoapException se) 
			{
				Log.write(user, host,
					"undeploy(" + pu + ", " + a + ", " + o + ") returned pending undeploy");
				return false;
			}
			Log.write(user, host, "undeploy(" + pu + ", " + a + ", " + o + ") returned " + rc);
			if (rc.Equals(a + " uninstalled"))
				return true;
			else
				return false;
		}
	}
}