#include "http_connection.h"

#include "http.h"

#include <boost/bind.hpp>
#include <boost/format.hpp>

HTTP::Connection::Connection(boost::asio::io_service& io_service) : socket(io_service) {
}

void HTTP::Connection::handle_write(const boost::system::error_code& error, size_t bytes_transferred) {
}

void HTTP::Connection::handle_read(const boost::system::error_code& error, size_t bytes_transferred, Handler callback) {
	if(!parse_request(buf)) {
		// Request parse error.
		std::cout << "Request parse error." << std::endl;
		send_error(400, "Bad Request");
		return;
	}
	
	std::cout << "Path: " << std::endl;
	for(PathList::iterator it = path.begin(); it != path.end(); it++) {
		std::cout << "  " << *it << std::endl;
	}
	
	std::cout << "Args: " << std::endl;
	for(std::map<std::string, std::string>::iterator it = args.begin(); it != args.end(); it++) {
		std::cout << "  " << it->first << " = " << it->second << std::endl;
	}
	
	std::cout << "Headers: " << std::endl;
	for(std::map<std::string, std::string>::iterator it = headers.begin(); it != headers.end(); it++) {
		std::cout << "  " << it->first << " = " << it->second << std::endl;
	}
	
	callback(shared_from_this());
}

void print(char c) {
	std::cout << "Char: " << int(c) << std::endl;
}

void HTTP::Connection::read_request(Handler callback) {
	boost::asio::async_read_until(socket, buf, "\r\n\r\n", boost::bind(&Connection::handle_read, shared_from_this(),
				boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred, callback));
}

std::string HTTP::Connection::pop_path_base() {
	if(!path.size()) {
		return "";
	}
	
	base_path.push_back(path.front());
	path.pop_front();
	
	return base_path.back();
}

void HTTP::Connection::send_error(int code, std::string name) {
	boost::asio::write(socket, boost::asio::buffer(boost::str(boost::format("HTTP/1.1 %1$d %2$s\r\n\r\n<h1>%1$d %2$s</h1>") % code % name)));
}