#pragma once
#include <map>
#include <string>
#include <vector>

typedef int (*FUNCTION)(const std::string &s);

static std::vector<std::string> Verbs{"Quit", "Exit", "Go", "Move", "Look"};
static std::vector<std::string> Nouns{"Object", "Door", "North", "South", "East", "West",
                                      "Up",     "Down", "Left",  "Right", "To",   "At"};

class CommandParser {
private:
    std::map<std::string, FUNCTION> commands;

public:
    CommandParser();

    bool AddCommand(std::string c, FUNCTION f);
    void RemoveCommand(std::string c);

    std::vector<std::string> Verb(std::stringstream &sentences);
    std::vector<std::string> Noun(std::stringstream &sentences);

    static inline void CommandUnrecognized() { printf("I don't know how to do that.\n"); }
    int Parse();
};