/*****************************************************************
|
|   Platinum - File Media Server
|
| Copyright (c) 2004-2010, Plutinosoft, LLC.
| All rights reserved.
| http://www.plutinosoft.com
|
| 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 2
| of the License, or (at your option) any later version.
|
| OEMs, ISVs, VARs and other distributors that combine and 
| distribute commercially licensed software with Platinum software
| and do not wish to distribute the source code for the commercially
| licensed software under version 2, or (at your option) any later
| version, of the GNU General Public License (the "GPL") must enter
| into a commercial license agreement with Plutinosoft, LLC.
| licensing@plutinosoft.com
|  
| 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; see the file LICENSE.txt. If not, write to
| the Free Software Foundation, Inc., 
| 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
| http://www.gnu.org/licenses/gpl-2.0.html
|
****************************************************************/

/** @file
 UPnP AV Filesystem based Media Server sample implementation 
 */

#ifndef _PLT_FILE_MEDIA_SERVER_H_
#define _PLT_FILE_MEDIA_SERVER_H_

/*----------------------------------------------------------------------
|   includes
+---------------------------------------------------------------------*/
#include "Neptune.h"
#include "PltMediaServer.h"
#include "PltMediaCache.h"

/*----------------------------------------------------------------------
|   PLT_FileMediaServerDelegate
+---------------------------------------------------------------------*/
/**
 File Media Server Delegate.
 The PLT_FileMediaServerDelegate class is an example of a PLT_MediaServerDelegate
 implementation for a file system backed Media Server.
 */
class PLT_FileMediaServerDelegate : public PLT_MediaServerDelegate
{
public:
    // class methods
    static NPT_String BuildSafeResourceUri(const NPT_HttpUrl& base_uri, 
                                           const char*        host, 
                                           const char*        file_path);
    // constructor & destructor
    PLT_FileMediaServerDelegate(const char* url_root, const char* file_root, bool use_cache = false);
    ~PLT_FileMediaServerDelegate() override;
    
protected:
    // PLT_MediaServerDelegate methods
    NPT_Result OnBrowseMetadata(PLT_ActionReference&          action, 
                                        const char*                   object_id, 
                                        const char*                   filter,
                                        NPT_UInt32                    starting_index,
                                        NPT_UInt32                    requested_count,
                                        const char*                   sort_criteria,
                                        const PLT_HttpRequestContext& context) override;
    NPT_Result OnBrowseDirectChildren(PLT_ActionReference&          action, 
                                              const char*                   object_id, 
                                              const char*                   filter,
                                              NPT_UInt32                    starting_index,
                                              NPT_UInt32                    requested_count,
                                              const char*                   sort_criteria,
                                              const PLT_HttpRequestContext& context) override;
    NPT_Result OnSearchContainer(PLT_ActionReference&          action, 
                                         const char*                   object_id, 
                                         const char*                   search_criteria,
                                         const char*                   filter,
                                         NPT_UInt32                    starting_index,
                                         NPT_UInt32                    requested_count,
                                         const char*                   sort_criteria, 
                                         const PLT_HttpRequestContext& context) override;
    NPT_Result ProcessFileRequest(NPT_HttpRequest&              request, 
                                          const NPT_HttpRequestContext& context,
                                          NPT_HttpResponse&             response) override;
    
    // overridable methods
    virtual NPT_Result ExtractResourcePath(const NPT_HttpUrl& url, NPT_String& file_path);
    virtual NPT_String BuildResourceUri(const NPT_HttpUrl& base_uri, const char* host, const char* file_path);
    virtual NPT_Result ServeFile(const NPT_HttpRequest&        request, 
                                 const NPT_HttpRequestContext& context,
                                 NPT_HttpResponse&             response,
                                 const NPT_String&             file_path);
    virtual NPT_Result GetFilePath(const char* object_id, NPT_String& filepath);
    virtual bool       ProcessFile(const NPT_String&, const char* filter = NULL) { NPT_COMPILER_UNUSED(filter); return true;}
    virtual PLT_MediaObject* BuildFromFilePath(const NPT_String&             filepath, 
                                               const PLT_HttpRequestContext& context,
                                               bool                          with_count = true,
                                               bool                          keep_extension_in_title = false,
                                               bool                          allip = false);
    
protected:
    friend class PLT_MediaItem;
    
    NPT_String  m_UrlRoot;
    NPT_String  m_FileRoot;
    bool        m_FilterUnknownOut;
    bool        m_UseCache;
    
    PLT_MediaCache<NPT_Reference<NPT_List<NPT_String> >, NPT_TimeStamp> m_DirCache;
};

/*----------------------------------------------------------------------
|   PLT_FileMediaServer
+---------------------------------------------------------------------*/
/**
 File Media Server.
 The PLT_FileMediaServer class is an example of a PLT_MediaServer implementation
 for a file system backed Media Server.
 */
class PLT_FileMediaServer : public PLT_MediaServer,
                            public PLT_FileMediaServerDelegate
{
public:    // constructor
    PLT_FileMediaServer(const char*  file_root,
                        const char*  friendly_name,
                        bool         show_ip = false,
                        const char*  uuid = NULL,
                        NPT_UInt16   port = 0,
                        bool         port_rebind = false) :
        PLT_MediaServer(friendly_name, 
                        show_ip,
                        uuid, 
                        port,
                        port_rebind),
        PLT_FileMediaServerDelegate("/", file_root) {SetDelegate(this);}

protected:
    ~PLT_FileMediaServer() override {}
};

#endif /* _PLT_FILE_MEDIA_SERVER_H_ */