/*	EQEmu: EQEmulator

	Copyright (C) 2001-2026 EQEmu Development Team

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once

#include "common/json/json.h"
#include "common/linked_list.h"
#include "common/path_manager.h"

#include "fmt/format.h"
#include <fstream>

struct LoginConfig {
	std::string LoginHost;
	std::string LoginAccount;
	std::string LoginPassword;
	uint16 LoginPort;
	bool LoginLegacy;
};

class EQEmuConfig
{
	public:
		virtual std::string GetByName(const std::string &var_name) const;

		// From <world/>
		std::string ShortName;
		std::string LongName;
		std::string WorldAddress;
		std::string LocalAddress;
		std::string LoginHost;
		std::string LoginAccount;
		std::string LoginPassword;
		uint16 LoginPort;
		bool LoginLegacy;
		uint32 LoginCount;
		LinkedList<LoginConfig*> loginlist;
		bool Locked;
		uint16 WorldTCPPort;
		std::string WorldIP;
		uint16 TelnetTCPPort;
		std::string TelnetIP;
		bool TelnetEnabled;
		int32 MaxClients;
		bool WorldHTTPEnabled;
		uint16 WorldHTTPPort;
		std::string WorldHTTPMimeFile;
		std::string SharedKey;
		bool DisableConfigChecks;

		// From <database/>
		std::string DatabaseHost;
		std::string DatabaseUsername;
		std::string DatabasePassword;
		std::string DatabaseDB;
		uint16 DatabasePort;

		// From <content_database/>
		std::string ContentDbHost;
		std::string ContentDbUsername;
		std::string ContentDbPassword;
		std::string ContentDbName;
		uint16      ContentDbPort;

		// From <qsdatabase> // QueryServ
		std::string QSDatabaseHost;
		std::string QSDatabaseUsername;
		std::string QSDatabasePassword;
		std::string QSDatabaseDB;
		uint16      QSDatabasePort;
		std::string QSHost;
		int         QSPort;

		// From <files/>
		std::string SpellsFile;
		std::string OpCodesFile;
		std::string MailOpCodesFile;
		std::string PluginPlFile;

		// From <directories/>
		std::string MapDir;
		std::string QuestDir;
		std::string PluginDir;
		std::string LuaModuleDir;
		std::string PatchDir;
		std::string OpcodeDir;
		std::string SharedMemDir;
		std::string LogDir;

		// From <launcher/>
		std::string LogPrefix;
		std::string LogSuffix;
		std::string ZoneExe;
		uint32 RestartWait;
		uint32 TerminateWait;
		uint32 InitialBootWait;
		uint32 ZoneBootInterval;

		// From <zones/>
		uint16 ZonePortLow;
		uint16 ZonePortHigh;
		uint8 DefaultStatus;

		bool auto_database_updates;

		const std::string &GetUCSHost() const;
		uint16 GetUCSPort() const;

		std::vector<std::string> GetQuestDirectories() const
		{
			return m_quest_directories;
		}

		std::vector<std::string> GetPluginsDirectories() const
		{
			return m_plugin_directories;
		}

		std::vector<std::string> GetLuaModuleDirectories() const
		{
			return m_lua_module_directories;
		}


//	uint16 DynamicCount;

//	map<string,uint16> StaticZones;

	protected:

		std::string m_ucs_host;
		uint16      m_ucs_port;

		static EQEmuConfig *_config;
		Json::Value _root;
		static std::string ConfigFile;

		std::vector<std::string> m_quest_directories = {};
		std::vector<std::string> m_plugin_directories = {};
		std::vector<std::string> m_lua_module_directories = {};

	protected:
		void parse_config();

		EQEmuConfig()
		{

		}

	public:
		virtual ~EQEmuConfig() {}

		// Produce a const singleton
		static const EQEmuConfig *get()
		{
			LoadConfig();
			return (_config);
		}

		// Load the config
		static bool LoadConfig(const std::string& path = "")
		{
			if (_config != nullptr) {
				return true;
			}
			_config = new EQEmuConfig;

			return parseFile(path);
		}

		// Load config file and parse data
		static bool parseFile(const std::string& file_path = ".")
		{
			if (_config == nullptr) {
				return LoadConfig(file_path);
			}

			std::string file = fmt::format(
				"{}/{}",
				(file_path.empty() ? PathManager::Instance()->GetServerPath() : file_path),
				EQEmuConfig::ConfigFile
			);

			std::ifstream fconfig(file, std::ifstream::binary);

			try {
				fconfig >> _config->_root;
				_config->parse_config();
			}
			catch (std::exception &) {
				return false;
			}
			return true;
		}

		void Dump() const;
		void CheckUcsConfigConversion();
};