/**
 * @file
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/tags/track.h>

#include <sstream>
#include <stdlib.h>


Track :: Track()
       : GenericTag(),
	 _album(NULL), _artist(NULL), _genre(NULL), _library(NULL),
	 _count(0), _length(0), _track(0)
{}

Track :: Track(Album *album, Artist *artist, Genre *genre, Library *library,
	       const std::string &filepath, const std::string &name,
	       unsigned int length, unsigned int track)
       : GenericTag(name),
	 _album(album), _artist(artist), _genre(genre), _library(library),
	 _count(0), _length(length), _track(track),
	 _path(filepath.substr(library->primary_key().size() + 1))
{
	//filter :: add(name(), index());
	//filter :: add(_artist->name(), index());
	//filter :: add(_album->name(), index());
	_library->inc_size();
}

Track :: ~Track()
{
	if (_library)
		_library->dec_size();
}

Album   *Track :: album()   { return _album;   }
Artist  *Track :: artist()  { return _artist;  }
Genre   *Track :: genre()   { return _genre;   }
Library *Track :: library() { return _library; }

unsigned int Track :: count()  { return _count;  }
unsigned int Track :: length() { return _length; }
unsigned int Track :: track()  { return _track;  }

const std::string Track :: date() const
{
	struct tm tm;
	char buffer[20];
	std::string res = "Never";

	if (_count > 0) {
		tm.tm_mday = _date.day;
		tm.tm_mon  = _date.month  - 1;
		tm.tm_year = _date.year   - 1900;
		strftime(buffer, 20, "%Ex", &tm);
		res = buffer;
	}
	return res;
}

const std::string Track :: path() const
{
	if (_library)
		return _library->primary_key() + "/" + _path;
	return "";
}

const std::string Track :: length_str() const
{
	std::stringstream ss;
	unsigned int minutes = _length / 60;
	unsigned int seconds = _length % 60;

	ss << minutes << ":";
	if (seconds < 10)
		ss << 0;
	ss << seconds;
	return ss.str();
}

const std::string Track :: primary_key() const
{
	std::stringstream ss;
	if (_library)
		ss << _library->index() << "/" << _path;
	return ss.str();
}

void Track :: played()
{
	time_t rawtime = time(NULL);
	struct tm *now = localtime(&rawtime);

	_count++;
	_date.day   = now->tm_mday;
	_date.month = now->tm_mon + 1;
	_date.year  = now->tm_year + 1900;

	//tagdb :: commit();
}

int Track :: compare_date(const Track *rhs)
{
	int ret = _date.year - rhs->_date.year;
	if (ret == 0) {
		ret = _date.month - rhs->_date.month;
		if (ret == 0)
			ret = _date.day - rhs->_date.day;
	}
	return ret;
}