#ifndef ELOHIMSCRIPT_LEXTOKEN_HPP
#define ELOHIMSCRIPT_LEXTOKEN_HPP

#include <memory>
#include "LexTokenKind.hpp"

namespace ElohimScript::Parser {
    class LexToken {
        friend class Lexer;

        std::unique_ptr<const LexToken> _next;

    public:
        virtual ~LexToken() = default;
        [[nodiscard]] virtual LexTokenKind GetKind() const noexcept = 0;
        [[nodiscard]] const std::unique_ptr<const LexToken>& GetNext() const noexcept { return _next; }
    };

    template <LexTokenKind kind> class LexTokenImpl : public LexToken {
    public:
        LexTokenImpl() = default;
        [[nodiscard]] LexTokenKind GetKind() const noexcept override { return kind; }
    };

    class IntegerToken : public LexTokenImpl<LexTokenKind::IntegerToken> {
        uint64_t _value;

    public:
        IntegerToken(uint64_t value) : _value(value) {}
        [[nodiscard]] uint64_t GetValue() const noexcept { return _value; }
    };

    class FloatToken : public LexTokenImpl<LexTokenKind::FloatToken> {
        double _value;

    public:
        FloatToken(double value) : _value(value) {}
        [[nodiscard]] double GetValue() const noexcept { return _value; }
    };
}

#endif // ELOHIMSCRIPT_LEXTOKEN_HPP