// License: Modified MIT (NON-AI)
// See the LICENSE file in the root directory for license information.
// Copyright 2025 Timothy Prepscius

#pragma once

#include <map>
#include <string>
#include <string_view>

#include "../threads/Lock.hpp"
#include "../ptr/Ptr.hpp"

namespace tjp {
namespace core {
namespace string_dictionary {

struct Instance;
struct Entry;
struct Dictionary;

struct Reference
{
	StrongPtr<Entry> entry;
	
	operator const std::string &() const;
	operator const std::string_view () const;
} ;

struct Entry
{
	StrongPtr<Dictionary> container;
	const std::string value;
	
	Entry(const StrongPtr<Dictionary> &container, std::string &&string);

	~Entry ();
} ;

bool operator ==(const Reference &lhs, const Reference &rhs);
bool operator ==(const Reference &lhs, const std::string &r);
bool operator ==(const Reference &lhs, const std::string_view &r);
bool operator ==(const Reference &lhs, const char *r);

bool operator ==(const std::string &l, const Reference &rhs);
bool operator ==(const std::string_view &l, const Reference &rhs);
bool operator ==(const char *l, const Reference &rhs);

bool operator !=(const Reference &lhs, const Reference &rhs);
bool operator !=(const Reference &lhs, const std::string &r);
bool operator !=(const Reference &lhs, const std::string_view &r);
bool operator !=(const Reference &lhs, const char *r);

bool operator !=(const std::string &l, const Reference &rhs);
bool operator !=(const std::string_view &l, const Reference &rhs);
bool operator !=(const char *l, const Reference &rhs);

bool operator <(const Reference &lhs, const Reference &rhs);
bool operator <(const Reference &lhs, const std::string &r);
bool operator <(const Reference &lhs, const std::string_view &r);
bool operator <(const Reference &lhs, const char *r);

bool operator <(const std::string &l, const Reference &rhs);
bool operator <(const std::string_view &l, const Reference &rhs);
bool operator <(const char *l, const Reference &rhs);

// ----

struct Dictionary : StrongThis<Dictionary>
{
	Mutex mutex;
	std::map<std::string_view, WeakPtr<Entry>> entries;
	
	void remove(Entry *entry);
	
	Reference get(const std::string_view &value);
	Reference get(const std::string &value);
	Reference get(std::string &&value);
	Reference get(const char *value);
} ;

} // namespace

using StringDictionary = string_dictionary::Dictionary;
using StringRef = string_dictionary::Reference;

} // namespace
} // namespace

#include "Dictionary.inl"