SystemScheduler.hpp

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/*
** EPITECH PROJECT, 2025
** rtype
** File description:
** SystemScheduler - Advanced system execution control
*/
 
#pragma once
 
#include <functional>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
#include "ECSWorld.hpp"
 
namespace ecs::wrapper {
 
    class SystemScheduler {
       public:
        struct SystemInfo {
            std::string name;
            int priority;                        
            std::vector<std::string> runBefore;  
            std::vector<std::string> runAfter;   
            bool enabled;
        };
 
       private:
        ECSWorld *_world;
        std::unordered_map<std::string, SystemInfo> _systemInfos;
        std::vector<std::string> _executionOrder;
        bool _needsReorder;
 
        void computeExecutionOrder();
        void topologicalSort();
 
       public:
        explicit SystemScheduler(ECSWorld *world);
 
        SystemScheduler &registerSystem(const std::string &name, int priority = 0);
 
        SystemScheduler &runBefore(const std::string &systemName, const std::string &afterSystemName);
 
        SystemScheduler &runAfter(const std::string &systemName, const std::string &beforeSystemName);
 
        void enable(const std::string &name);
 
        void disable(const std::string &name);
 
        bool isEnabled(const std::string &name) const;
 
        void update(float deltaTime);
 
        const std::vector<std::string> &getExecutionOrder() const;
 
        void printExecutionOrder() const;
    };
 
}  // namespace ecs::wrapper