#ifndef TOKENIZE_H
#define TOKENIZE_H

#include <vector>
#include <variant>
#include <string>
#include <stdexcept>
using namespace std;

enum class TokenType { Type, Identifier, Int, Plus, Minus, DoublePlus, DoubleMinus, DoubleEqual, Star, Slash, Percent, Equal, Semicolon, LParenthese, RParenthese, LCurlyBracket, RCurlyBracket, If, Else };
enum class Type { Int };

using TokenData = variant<int, string, Type>;

struct CodePosition {
    int line;
    int column;
};

struct Token {
    TokenType type;
    TokenData data { };
    CodePosition pos;
};

class TokenError : public runtime_error {
public:
    explicit TokenError(const string& message, CodePosition pos)
        : runtime_error(message), pos(pos) {}

    const CodePosition pos;
};

/*
    Parses a string into a vector of tokens
*/
vector<Token> tokenize(vector<string> str, int initial_line=0);

/*
    Format and print a Token
*/
void _debug_print_token(Token token);

/*
    Formats a list of tokens and prints it
*/
void _debug_print_tokens(vector<Token> tokens);

#endif