base.hxx

#pragma once
 
#include <StormByte/config/exception.hxx>
#include <StormByte/config/item/type.hxx>
#include <StormByte/clonable.hxx>
 
#include <optional>
#include <string>
#include <type_traits>
 
namespace StormByte::Config::Item {
    // Forwards
    class Container;
    class Group;
    class List;
    template<AllowedValueType T> class Value;
 
    bool STORMBYTE_CONFIG_PUBLIC IsNameValid(const std::string&) noexcept;
    
    class STORMBYTE_CONFIG_PUBLIC Base: public Clonable<Base, std::shared_ptr<Base>> {
        public:
            Base()                                          = default;
 
            Base(const std::string& name);
 
            Base(const Base& base)                          = default;
            
            Base(Base&& base) noexcept                      = default;
 
            Base& operator=(const Base& base)               = default;
 
            Base& operator=(Base&& base) noexcept           = default;
 
            virtual ~Base() noexcept                        = default;
 
            inline bool                                     operator==(const Base& base) const noexcept {
                return m_name == base.m_name;
            }
 
            inline bool                                     operator!=(const Base& base) const noexcept {
                return !operator==(base);
            }
 
            constexpr const std::optional<std::string>&     Name() const noexcept {
                return m_name;
            }
 
            constexpr void                                  Name(const std::string& name) noexcept {
                m_name = name;
            }
 
            inline bool                                     IsNameValid() const noexcept {
                return m_name.has_value() && Item::IsNameValid(m_name.value());
            }
 
            constexpr virtual Type                          Type() const noexcept = 0;
 
            constexpr std::string                           TypeToString() const noexcept {
                return Item::TypeToString(this->Type());
            }
 
            virtual std::string                             Serialize(const int& indent_level) const noexcept;
 
            operator                                        std::string() const {
                return this->Serialize(0);
            }
 
            template<typename T>
            const T& Value() const {
                if constexpr (std::is_base_of_v<std::remove_reference_t<decltype(*this)>, T>) {
                    // Direct match: T (e.g., Container, Group, etc.) matches this object type
                    return static_cast<const T&>(*this);
                } else if constexpr (std::is_base_of_v<std::remove_reference_t<decltype(*this)>, Item::Value<T>>) {
                    // Indirect match: T is wrapped inside Item::Value<T>
                    return *static_cast<const Item::Value<T>&>(*this);
                } else {
                    // No valid match: Throw an exception for incorrect conversion
                    throw WrongValueTypeConversion("Wrong value type {} while expecting {}", this->TypeToString(), typeid(T).name());
                }
            }
            
            template<typename T>
            T& Value() {
                return const_cast<T&>(static_cast<const Base&>(*this).Value<T>());
            }
                
 
        protected:
            std::optional<std::string> m_name;              
 
 
    };
}