// Copyright (c) 2012, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must  retain  the  above copyright notice, this
//   list of conditions and the following disclaimer.
//
// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
//   this list of conditions  and  the  following  disclaimer in  the documentation
//   and/or other materials provided with the distribution.
//
// - Neither  the  name  of  the  Outercurve Foundation  nor   the   names  of  its
//   contributors may be used to endorse or  promote  products  derived  from  this
//   software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING  IN  ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.ComponentModel;
using System.Web.Services;
using System.Web.Services.Protocols;
using WebsitePanel.Providers;
using WebsitePanel.Providers.HostedSolution;
using WebsitePanel.Providers.SharePoint;
using WebsitePanel.Server.Utils;
using Microsoft.Web.Services3;

namespace WebsitePanel.Server
{
    /// <summary>
    /// Summary description for HostedSharePointServer
    /// </summary>
    [WebService(Namespace = "http://smbsaas/websitepanel/server/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [Policy("ServerPolicy")]
    [ToolboxItem(false)]
    public class HostedSharePointServer : HostingServiceProviderWebService
    {
        private delegate TReturn Action<TReturn>();

        /// <summary>
        /// Gets hosted SharePoint provider instance.
        /// </summary>
        private IHostedSharePointServer HostedSharePointServerProvider
        {
            get { return (IHostedSharePointServer)Provider; }
        }

        /// <summary>
        /// Gets list of supported languages by this installation of SharePoint.
        /// </summary>
        /// <returns>List of supported languages</returns>
        [WebMethod, SoapHeader("settings")]
        public int[] GetSupportedLanguages()
        {
            return ExecuteAction<int[]>(delegate
            {
                return HostedSharePointServerProvider.GetSupportedLanguages();
            }, "GetSupportedLanguages");
        }


        /// <summary>
        /// Gets list of SharePoint collections within root web application.
        /// </summary>
        /// <returns>List of SharePoint collections within root web application.</returns>
        [WebMethod, SoapHeader("settings")]
        public SharePointSiteCollection[] GetSiteCollections()
        {
            return ExecuteAction<SharePointSiteCollection[]>(delegate
            {
                return HostedSharePointServerProvider.GetSiteCollections();
            }, "GetSiteCollections");
        }

        /// <summary>
        /// Gets SharePoint collection within root web application with given name.
        /// </summary>
        /// <param name="url">Url that uniquely identifies site collection to be loaded.</param>
        /// <returns>SharePoint collection within root web application with given name.</returns>
        [WebMethod, SoapHeader("settings")]
        public SharePointSiteCollection GetSiteCollection(string url)
        {
            return ExecuteAction<SharePointSiteCollection>(delegate
            {
                return HostedSharePointServerProvider.GetSiteCollection(url);
            }, "GetSiteCollection");
        }

        /// <summary>
        /// Creates site collection within predefined root web application.
        /// </summary>
        /// <param name="siteCollection">Information about site coolection to be created.</param>
        [WebMethod, SoapHeader("settings")]
        public void CreateSiteCollection(SharePointSiteCollection siteCollection)
        {
            siteCollection.OwnerLogin = AttachNetbiosDomainName(siteCollection.OwnerLogin);
            ExecuteAction<object>(delegate
            {
                HostedSharePointServerProvider.CreateSiteCollection(siteCollection);
                return new object();
            }, "CreateSiteCollection");
        }


        [WebMethod, SoapHeader("settings")]
        public void UpdateQuotas(string url, long maxSize, long warningSize)
        {
            ExecuteAction<object>(delegate
            {
                HostedSharePointServerProvider.UpdateQuotas(url, maxSize, warningSize);
                return new object();
            }, "UpdateQuotas");



        }

        [WebMethod, SoapHeader("settings")]
        public SharePointSiteDiskSpace[] CalculateSiteCollectionsDiskSpace(string[] urls)
        {
            SharePointSiteDiskSpace[] ret = null;
            ret = ExecuteAction<SharePointSiteDiskSpace[]>(delegate
            {
                return HostedSharePointServerProvider.CalculateSiteCollectionsDiskSpace(urls);
            }, "CalculateSiteCollectionDiskSpace");
            return ret;

        }
        /// <summary>
        /// Deletes site collection under given url.
        /// </summary>
        /// <param name="url">Url that uniquely identifies site collection to be deleted.</param>
        [WebMethod, SoapHeader("settings")]
        public void DeleteSiteCollection(SharePointSiteCollection siteCollection)
        {
            ExecuteAction<object>(delegate
            {
                HostedSharePointServerProvider.DeleteSiteCollection(siteCollection);
                return new object();
            }, "DeleteSiteCollection");
        }
        /// <summary>
        /// Backups site collection under give url.
        /// </summary>
        /// <param name="url">Url that uniquely identifies site collection to be deleted.</param>
        /// <param name="filename">Resulting backup file name.</param>
        /// <param name="zip">A value which shows whether created backup must be archived.</param>
        /// <returns>Created backup full path.</returns>
        [WebMethod, SoapHeader("settings")]
        public string BackupSiteCollection(string url, string filename, bool zip)
        {
            return ExecuteAction<string>(delegate
            {
                return
                    HostedSharePointServerProvider.BackupSiteCollection(url, filename, zip);
            }, "BackupSiteCollection");
        }

        /// <summary>
        /// Restores site collection under given url from backup.
        /// </summary>
        /// <param name="siteCollection">Site collection to be restored.</param>
        /// <param name="filename">Backup file name to restore from.</param>
        [WebMethod, SoapHeader("settings")]
        public void RestoreSiteCollection(SharePointSiteCollection siteCollection, string filename)
        {
            siteCollection.OwnerLogin = AttachNetbiosDomainName(siteCollection.OwnerLogin);
            ExecuteAction<object>(delegate
            {
                HostedSharePointServerProvider.RestoreSiteCollection(siteCollection, filename);
                return new object();
            }, "RestoreSiteCollection");
        }

        /// <summary>
        /// Gets binary data chunk of specified size from specified offset.
        /// </summary>
        /// <param name="path">Path to file to get bunary data chunk from.</param>
        /// <param name="offset">Offset from which to start data reading.</param>
        /// <param name="length">Binary data chunk length.</param>
        /// <returns>Binary data chunk read from file.</returns>
        [WebMethod, SoapHeader("settings")]
        public byte[] GetTempFileBinaryChunk(string path, int offset, int length)
        {
            return ExecuteAction<byte[]>(delegate
            {
                return
                    HostedSharePointServerProvider.GetTempFileBinaryChunk(path, offset, length);
            }, "GetTempFileBinaryChunk");
        }

        /// <summary>
        /// Appends supplied binary data chunk to file.
        /// </summary>
        /// <param name="fileName">Non existent file name to append to.</param>
        /// <param name="path">Full path to existent file to append to.</param>
        /// <param name="chunk">Binary data chunk to append to.</param>
        /// <returns>Path to file that was appended with chunk.</returns>
        [WebMethod, SoapHeader("settings")]
        public virtual string AppendTempFileBinaryChunk(string fileName, string path, byte[] chunk)
        {
            return ExecuteAction<string>(delegate
            {
                return
                    HostedSharePointServerProvider.AppendTempFileBinaryChunk(fileName, path, chunk);
            }, "AppendTempFileBinaryChunk");
        }


        [WebMethod, SoapHeader("settings")]
        public long GetSiteCollectionSize(string url)
        {
            return ExecuteAction<long>(delegate
            {
                return
                    HostedSharePointServerProvider.GetSiteCollectionSize(url);
            }, "GetSiteCollectionSize");
        }


        [WebMethod, SoapHeader("settings")]
        public void SetPeoplePickerOu(string site, string ou)
        {
            HostedSharePointServerProvider.SetPeoplePickerOu(site, ou);
        }


        /// <summary>
        /// Executes supplied action and performs logging.
        /// </summary>
        /// <typeparam name="TReturn">Type of action's return value.</typeparam>
        /// <param name="action">Action to be executed.</param>
        /// <param name="actionName">Action name for logging purposes.</param>
        /// <returns>Action execution result.</returns>
        private TReturn ExecuteAction<TReturn>(Action<TReturn> action, string actionName)
        {
            try
            {
                Log.WriteStart("'{0}' {1}", ProviderSettings.ProviderName, actionName);
                TReturn result = action();
                Log.WriteEnd("'{0}' {1}", ProviderSettings.ProviderName, actionName);
                return result;
            }
            catch (Exception ex)
            {
                Log.WriteError(String.Format("Can't {1} '{0}' provider", ProviderSettings.ProviderName, actionName), ex);
                throw;
            }
        }

        /// <summary>
        /// Returns fully qualified netbios account name.
        /// </summary>
        /// <param name="accountName">Account name.</param>
        /// <returns>Fully qualified netbios account name.</returns>
        private string AttachNetbiosDomainName(string accountName)
        {
            string domainNetbiosName = String.Format("{0}\\", ActiveDirectoryUtils.GetNETBIOSDomainName(ServerSettings.ADRootDomain));
            return String.Format("{0}{1}", domainNetbiosName, accountName.Replace(domainNetbiosName, String.Empty));
        }
    }
}