#ifndef CONFIG_MANAGER_H
#define CONFIG_MANAGER_H

#include "common.h"
#include <string>
#include <vector>
#include <atomic>
#include <thread>
#include <functional>
#include <mutex>
#include <filesystem>

class ConfigManager {
public:
    ConfigManager(const std::string& config_path);
    ~ConfigManager();

    // Load configuration from file
    bool LoadConfig();

    // Get parsed rules
    std::vector<DomainRule> GetRules() const;

    // Start monitoring thread for live reload
    void StartMonitoring(std::function<void(const std::vector<DomainRule>&)> callback);

    // Stop monitoring thread
    void StopMonitoring();

    // Get configuration values
    std::string GetLogFile() const;
    bool IsLoggingEnabled() const;

private:
    std::string config_path_;
    std::vector<DomainRule> rules_;
    std::atomic<bool> monitoring_;
    std::thread monitor_thread_;

    // Last modification time of config file
    std::filesystem::file_time_type last_modified_;

    // Callback for rule updates
    std::function<void(const std::vector<DomainRule>&)> update_callback_;

    // Configuration values
    std::string log_file_;
    bool logging_enabled_;

    mutable std::mutex config_mutex_;

    // Monitoring thread function
    void MonitorFileChanges();

    // Parse JSON configuration
    bool ParseConfig();
};

#endif // CONFIG_MANAGER_H