// Smersh
//
// Douglas Thrift
//
// $Id$

#include "Smersh.hpp"
#include "Matcher.hpp"
#include "Person.hpp"
#include "Daemon.hpp"
#include "Redirector.hpp"

string program;
bool debug(false);

int main(int argc, char* argv[])
{
	program = argv[0];

	int port(8080);
	bool daemon(false), redirector(false);
	string redirect;

	for (int index(1); index < argc; ++index)
	{
		string arg(argv[index]);
		Matcher matcher;

		if (arg == "-D")
		{
			if (!debug) debug = true;
		}
		else if (arg == "-daemon")
		{
			if (!daemon) daemon = true;
		}
		else if (arg == matcher("^-redirector=(.+)$"))
		{
			if (!redirector) redirector = true;

			redirect = matcher[1];
		}
		else if (arg == matcher("^-port=([0-9]+)$"))
		{
			port = lexical_cast<int>(matcher[1]);
		}
	}

	if (daemon)
	{
		Daemon daemon(port);
	}
	else if (redirector)
	{
		Redirector redirector(port, redirect);
	}
	else
	{
		Smersh smersh;
	}

	return 0;
}

Smersh::Smersh(ostream& sout)
{
	string method = sgetenv("REQUEST_METHOD");

	parse(method);

	sout << "Content-Type: text/plain\n\n" << (cgi.find("sn") != cgi.end() ? 
		cgi.find("sn")->second : "Unknown") << '\n';
}

void Smersh::parse(const string& method)
{
	string query(sgetenv("QUERY_STRING"));

	if (method == "POST") getline(cin, query);
	if (query == "") return;

	istringstream input(query);

	do
	{
		string name, value;

		getline(input, name, '=');
		getline(input, value, '&');

		cgi.insert(pair<string, string>(name, value));
	}
	while (input.good());
}