/*
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
*/

#include <string>
#include "noannounce.h"
#include "epgsearchtools.h"

using std::string;

cNoAnnounces NoAnnounces;
char *cNoAnnounce::buffer = NULL;
// -- cNoAnnounce -----------------------------------------------------------------
cNoAnnounce::cNoAnnounce(void)
{
    title = shortText = "";
    startTime = nextAnnounce = 0;
    buffer = NULL;
}

cNoAnnounce::cNoAnnounce(const cEvent* e, time_t NextAnnounce)
{
   title = shortText = "";
   startTime = 0;
   buffer = NULL;
   if (e->Title()) title = e->Title();
   if (e->ShortText()) shortText = e->ShortText();
   channelID = e->ChannelID();
   startTime = e->StartTime();
   nextAnnounce = NextAnnounce;
}

cNoAnnounce::~cNoAnnounce(void)
{
    if (buffer) {
	free(buffer);
	buffer = NULL;
    }
}

bool cNoAnnounce::operator== (const cNoAnnounce &arg) const
{
    return (startTime == arg.startTime && channelID == arg.channelID);
}

bool cNoAnnounce::Parse(const char *s)
{
    char *line;
    char *pos;
    char *pos_next;
    int parameter = 1;
    int valuelen;
    
#define MAXVALUELEN (10 * MaxFileName)
    
    char value[MAXVALUELEN];
    
    pos = line = strdup(s);
    pos_next = pos + strlen(pos);
    if (*pos_next == '\n') *pos_next = 0;
    while (*pos) {
	while (*pos == ' ') pos++;
	if (*pos) {
	    if (*pos != ':') {
		pos_next = strchr(pos, ':');
		if (!pos_next)
		    pos_next = pos + strlen(pos);
		valuelen = pos_next - pos + 1;
		if (valuelen > MAXVALUELEN) 
		{
		    LogFile.eSysLog("entry '%s' is too long. Will be truncated!", pos);  
		    valuelen = MAXVALUELEN;
		}
		strn0cpy(value, pos, valuelen);
		pos = pos_next;
		switch (parameter) {
		    case 1:  title = value;
			break;
		    case 2:  shortText = value;
			break;
		    case 3:  channelID = tChannelID::FromString(value);
			break;
 		    case 4: startTime = atol(value);
			break;
 		    case 5: nextAnnounce = atol(value);
			break;
		} //switch
	    }
	    parameter++;
	}
	if (*pos) pos++;
    } //while
    
    title = ReplaceAll(title, "|", ":");
    shortText = ReplaceAll(shortText, "|", ":");
    
    free(line);
    return (parameter >= 5) ? true : false;
}

const char *cNoAnnounce::ToText(void) const
{
    free(buffer);
    msprintf(&buffer, "%s:%s:%s:%ld:%ld", 
	     ReplaceAll(title, ":", "|").c_str(),
	     ReplaceAll(shortText, ":", "|").c_str(),
	     *channelID.ToString(),
	     startTime,
	     nextAnnounce);
    return buffer;
}

bool cNoAnnounce::Save(FILE *f)
{
    return fprintf(f, "%s\n", ToText()) > 0;
}

// -- cNoAnnounces -----------------------------------------------------------------
cNoAnnounce* cNoAnnounces::InList(const cEvent* e)
{
   cNoAnnounce noAnnounceTemp(e);
   cNoAnnounce* noAnnounce = First();
   while (noAnnounce) 
   {
      if (*noAnnounce == noAnnounceTemp)
      {
         if (noAnnounce->nextAnnounce > 0 && noAnnounce->nextAnnounce < time(NULL))
         {
            Del(noAnnounce); // active again
            return NULL;
         }
         else
            return noAnnounce;
      }
      noAnnounce = Next(noAnnounce);
   }	
   return NULL;
}

void cNoAnnounces::ClearOutdated(void)
{
    // remove outdated items
    cNoAnnounce* noAnnounce = First();
    while (noAnnounce) 
    {
	cNoAnnounce* noAnnounceNext = Next(noAnnounce);
	if (noAnnounce->startTime < time(NULL))
	    Del(noAnnounce);
	noAnnounce = noAnnounceNext;
    }	
}

void cNoAnnounces::UpdateNextAnnounce(const cEvent* e, time_t NextAnnounce)
{
   cNoAnnounce* noAnnounce = InList(e);
   if (noAnnounce)
      noAnnounce->nextAnnounce = NextAnnounce; 
}
