#include "file_input.h"

#include <utility>
#include <string>
#include "../constants.h"

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

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

        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" || cmd == "t") {
                auto cmdtmp = cmd;
                in >> cmd;

                if (in.eof())
                        return game_command_panic;

                auto tmp = get_direction(cmd);

                if (cmdtmp == "u")
                        return static_cast<game_command>(tmp + apply_north);
                else if (cmdtmp == "a")
                        return static_cast<game_command>(tmp + attack_north);
                else
                        return static_cast<game_command>(tmp + throw_north);
        } else if (cmd == "yes") {
                return game_command::enter;
        } else if (cmd == "i") {
                return toggle_inventory;
        } else {
                auto tmp = get_direction(cmd);

                if (tmp != game_command_panic)
                        return static_cast<game_command>
                               (tmp + move_north);
        }

        return game_command_pass;
}