#include "file_input.h"
#include <utility>
#include <string>

file_input::file_input(std::ifstream &&ifs):
        in{std::move(ifs)} {}

game_command file_input::get_command() {
        std::string cmd;
        in >> cmd;
        game_command tmp;

        if (in.eof())
                return game_command_terminate;

        if (cmd == "q")
                return game_command_terminate;
        else if (cmd == "f")
                return the_world;
        else if (cmd == "r")
                return game_restart;
        else if (cmd == "u" || cmd == "a") {
                in >> cmd;

                if (in.eof())
                        return game_command_panic;

                return (game_command)((tmp = get_direction(cmd)) ==
                                      game_command_panic
                                      ? tmp : tmp - move_north +
                                      (cmd == "u" ? apply_north : attack_north));
        } else // is just moving
                return get_direction(cmd);

        return game_command_pass;
}