// analytics2kml.cpp is copyright (c) 2006 by A. Jacob Cord, All rights reserved.
/*	
 *  analytics2kml 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.
 *
 *  analytics2kml 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
/*
 *	This program is also comment-ware. If you like it, stop by my blog and leave
 * me a note!  http://bogomip.net/blog/google-analytics-and-google-earth/
 */


#include <iostream>
#include <fstream>
#include <string>

void help();

int main(int argc, char *argv[]) {
	if(argc != 2) {
		help();
		return 0;
	}
	
	std::ifstream fin;
	fin.open(argv[1]);
	
	if(fin.fail()) {
		std::cerr << "Couldn't open " << argv[1] << " for processing." << std::endl;
		return 1;
	}
	
	int i = 0;
	std::string s;
	
	// output KML header
	std::cout << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" << std::endl;
	std::cout << "<kml xmlns=\"http://earth.google.com/kml/2.1\">" << std::endl;
	std::cout << "\t<Document>" << std::endl;
	
	while(!std::getline(fin, s).eof()) {
		if(s.empty() || s.substr(0,1) == "#" || s.substr(0,1) == "(") {
			// skip blank lines, comments, and (not set) tokens
			continue;
		}
		std::string country, city;
		float lat = 0.0, lon = 0.0;
		int visits = 0;
		
		std::string::size_type t, pos = 0;
		
		t = s.find("-", pos);
		
		if(t == std::string::npos) {
			std::cerr << "Couldn't find a dash character!" << std::endl;
			continue;
		}
		country = s.substr(pos, t);
		pos = t + 1;
		
		t = s.find("|", pos);
		if(t == std::string::npos) {
			std::cerr << "Couldn't find a pipe character!" << std::cerr;
			continue;
		}
		city = s.substr(pos, t-pos);
		
		pos = t + 1;
		
		t = s.find("|", pos);
		if(t == std::string::npos) {
			std::cerr << "Couldn't find second pipe character!" << std::endl;
			continue;
		}
		lat = atof(s.substr(pos, t-pos).c_str());
		pos = t + 1;
		
		t = s.find("\t", pos);
		if(t == std::string::npos) {
			std::cerr << "Couldn't find a tab character!" << std::endl;
			continue;
		}
		lon = atof(s.substr(pos, t-pos).c_str());
		pos = t + 1;
		
		t = s.find("\t", pos);
		if(t == std::string::npos) {
			std::cerr << "Couldn't find second tab character!" << std::endl;
			continue;
		}
		visits = atoi(s.substr(pos, t-pos).c_str());
		
		std::cout << "\t\t<Placemark id=\"" << i << "\">" << std::endl;
		++i;
		std::cout << "\t\t\t<name>" << city << " (" << visits << " visit";
		if(visits != 1) {
			std::cout << "s";
		}		
		std::cout << ")</name>" << std::endl;
		std::cout << "\t\t\t<Point>" << std::endl;
		std::cout << "\t\t\t\t<coordinates>" << lon / 10000 << "," << lat / 10000 << ",0</coordinates>" << std::endl;
		std::cout << "\t\t\t</Point>" << std::endl << "\t\t</Placemark>" << std::endl;
	}
	
	std::cout << "\t</Document>" << std::endl << "</kml>" << std::endl;
	
	return 0;
}

void help() {
	std::cout << "Usage: analytics2kml <file>" << std::endl;
	std::cout << "\tThis program translates Google Analytics tab-delimited data and " << std::endl;
	std::cout << "outputs KML data for Google Earth on std::out. Use redirection to send " << std::endl;
	std::cout << "it to a file. For example: google-kml report.txt > report.kml" << std::endl;
	std::cout << "\n\nThis program is also comment-ware. If you like it, stop by my blog and leave" << std::endl;
 	std::cout << "me a note!  http://bogomip.net/blog/google-analytics-and-google-earth/" << std::endl;
}