// command_interpreter.cpp

#include "command_interpreter.h"

namespace cmd {
	void do_command(SocketDriver *driver, INT index) {
		sil_log::log("command from descriptor %d", index);
		STRING response, other, client_command;
		ClientSocket *client = driver->get_client_ptr(index);
		
		client_command = client->get_next_command();
		
		if(client_command == "quit") {
			STRING quit_msg("$revBye!$res");
			
			driver->write_to(index, quit_msg, false);
			driver->get_client_ptr(index)->set_prompt(false);
			
			driver->flush_output(index);
			driver->shutdown_connection(index);
			return;
		} else if (client_command == "uptime") {
			driver->write_to(index, driver->get_uptime());
			return;
		} else if (client_command.substr(0, 4) == "idle") {
			INT i = 0;
			if(client_command.length() < 6) {
				for(i=0; i<driver->get_number_of_connections(); i++)
					driver->write_to(index, driver->get_client_idle_time(i));
				return;
			}
			i = driver->find_client_by_name(client_command.substr(5));
			if(i != -1)
				driver->write_to(index, driver->get_client_idle_time(i));
			else
				driver->write_to(index, "No such client (case-sensitive)!");
			return;
		} else if (client_command == "stats") {
			driver->write_to(index, driver->get_stats());
			return;
		} else if (client_command == "who") {
			std::stringstream s;
			s << "Online: " << END;
			for(INT i = 0; i<driver->get_number_of_connections(); i++)
				s << "$byk" << driver->get_client_ptr(i)->get_name() << "$res (" << driver->get_client_ptr(i)->get_hostname() << ")" << END;
			driver->write_to(index, s.str());
			return;
		} else if (client_command.substr(0, 4) == "when") {
			INT i = 0;
			if(client_command.length() < 6) {
				for(i=0; i<driver->get_number_of_connections(); i++)
					driver->write_to(index, driver->get_client_connected_time(i));
				return;
			}
			i = driver->find_client_by_name(client_command.substr(5));
			if(i != -1)
				driver->write_to(index, driver->get_client_connected_time(i));
			else
				driver->write_to(index, "No such client (case sensitive)!");
			return;
		} else if (client_command == "help") {
			std::stringstream s;
			s << "Valid commands are:" << END;
			s << " uptime, stats, who, idle, when, quit, and help." << END;
			driver->write_to(index, s.str());
			return;
		}
		
		response = "You say, ";
		response += client_command;
		response += END;
		
		other = END;
		other += client->get_name();
		other += ": ";
		other += client_command;
		other += END;
		
		driver->broadcast(other, index, response);
	}
	
	void update(SocketDriver *driver) {
		// this is called every second or so
		//sil_log::log("calling cmd::update");
	}
}