/*
Copyright (C) 2004-2008 Christian Wieninger

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.

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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

The author can be reached at cwieninger@gmx.de

The project's page is at http://winni.vdr-developer.org/epgsearch
*/

#ifndef EPGSEARCHSERVICES_INC
#define EPGSEARCHSERVICES_INC

// STL headers need to be before VDR tools.h (included by <vdr/osdbase.h>)
#include <string>
#include <list>
#include <set>
#include <memory>

#include <vdr/osdbase.h>


// Data structure for service "Epgsearch-search-v1.0"
struct Epgsearch_search_v1_0
{
// in
      char* query;               // search term
      int mode;                  // search mode (0=phrase, 1=and, 2=or, 3=regular expression)
      int channelNr;             // channel number to search in (0=any)
      bool useTitle;             // search in title
      bool useSubTitle;          // search in subtitle
      bool useDescription;       // search in description
// out
      cOsdMenu* pResultMenu;   // pointer to the menu of results
};

// Data structure for service "Epgsearch-exttimeredit-v1.0"
struct Epgsearch_exttimeredit_v1_0
{
// in
      cTimer* timer;             // pointer to the timer to edit
      bool bNew;                 // flag that indicates, if this is a new timer or an existing one
      const cEvent* event;             // pointer to the event corresponding to this timer (may be NULL)
// out
      cOsdMenu* pTimerMenu;   // pointer to the menu of results
};

// Data structure for service "Epgsearch-updatesearchtimers-v1.0"
struct Epgsearch_updatesearchtimers_v1_0
{
// in
      bool showMessage;           // inform via osd when finished?
};

// Data structure for service "Epgsearch-osdmessage-v1.0"
struct Epgsearch_osdmessage_v1_0
{
// in
      char* message;             // the message to display
      eMessageType type;
};

// Data structure for service "EpgsearchMenu-v1.0"
struct EpgSearchMenu_v1_0
{
// in
// out
      cOsdMenu* Menu;   // pointer to the menu
};

// Data structure for service "Epgsearch-lastconflictinfo-v1.0"
struct Epgsearch_lastconflictinfo_v1_0
{
// in
// out
      time_t nextConflict;       // next conflict date, 0 if none
      int relevantConflicts;     // number of relevant conflicts
      int totalConflicts;        // total number of conflicts
};

// Data structure for service "Epgsearch-searchresults-v1.0"
struct Epgsearch_searchresults_v1_0
{
// in
      char* query;               // search term
      int mode;                  // search mode (0=phrase, 1=and, 2=or, 3=regular expression)
      int channelNr;             // channel number to search in (0=any)
      bool useTitle;             // search in title
      bool useSubTitle;          // search in subtitle
      bool useDescription;       // search in description
// out

      class cServiceSearchResult : public cListObject 
      {
        public:
         const cEvent* event;
         explicit cServiceSearchResult(const cEvent* Event) : event(Event) {}
      };

      cList<cServiceSearchResult>* pResultList;   // pointer to the results
};

// Data structure for service "Epgsearch-switchtimer-v1.0"
struct Epgsearch_switchtimer_v1_0
{
// in
      const cEvent* event;
      int mode;                  // mode (0=query existance, 1=add/modify, 2=delete)
// in/out
      int switchMinsBefore;
      int announceOnly;
// out   		
      bool success;              // result
};

// Data structures for service "Epgsearch-services-v1.0"
class cServiceHandler
{
  public:
   virtual std::list<std::string> SearchTimerList() = 0;
   // returns a list of search timer entries in the same format as used in epgsearch.conf 
   virtual int AddSearchTimer(const std::string&) = 0;
   // adds a new search timer and returns its ID (-1 on error)
   virtual bool ModSearchTimer(const std::string&) = 0;
   // edits an existing search timer and returns success
   virtual bool DelSearchTimer(int) = 0;
   // deletes search timer with given ID and returns success
   virtual std::list<std::string> QuerySearchTimer(int) = 0;
   // returns the search result of the searchtimer with given ID in the same format as used in SVDRP command 'QRYS' (->MANUAL)        
   virtual std::list<std::string> QuerySearch(std::string) = 0;
   // returns the search result of the searchtimer with given settings in the same format as used in SVDRP command 'QRYS' (->MANUAL)        
   virtual std::list<std::string> ExtEPGInfoList() = 0;
   // returns a list of extended EPG categories in the same format as used in epgsearchcats.conf 
   virtual std::list<std::string> ChanGrpList() = 0;
   // returns a list of channel groups maintained by epgsearch
   virtual std::list<std::string> BlackList() = 0;
   // returns a list of blacklists in the same format as used in epgsearchblacklists.conf
   virtual std::set<std::string> DirectoryList() = 0;
   // List of all recording directories used in recordings, timers, search timers or in epgsearchdirs.conf
   virtual ~cServiceHandler() {}
   // Read a setup value
   virtual std::string ReadSetupValue(const std::string& entry) = 0;
   // Write a setup value
   virtual bool WriteSetupValue(const std::string& entry, const std::string& value) = 0;
};

struct Epgsearch_services_v1_0
{
// in/out
   std::unique_ptr<cServiceHandler> handler;
};

// Data structures for service "Epgsearch-services-v1.1"
class cServiceHandler_v1_1 : public cServiceHandler
{
  public:
   // Get timer conflicts
   virtual std::list<std::string> TimerConflictList(bool relOnly=false) = 0;    
   // Check if a conflict check is advised
   virtual bool IsConflictCheckAdvised() = 0;    
};

struct Epgsearch_services_v1_1
{
// in/out
   std::unique_ptr<cServiceHandler_v1_1> handler;
};

// Data structures for service "Epgsearch-services-v1.2"
class cServiceHandler_v1_2 : public cServiceHandler_v1_1
{
  public:
  // List of all recording directories used in recordings, timers (and optionally search timers or in epgsearchdirs.conf)
  virtual std::set<std::string> ShortDirectoryList() = 0;
  // Evaluate an expression against an event
  virtual std::string Evaluate(const std::string& expr, const cEvent* event) = 0;    
};

struct Epgsearch_services_v1_2
{
// in/out
   std::unique_ptr<cServiceHandler_v1_2> handler;
};

#endif
