#pragma once
#include <string>
#include <chrono>
#include <filesystem>

class HotReload {
public:
    // Accept either a single script file or a directory to watch. If a directory is
    // provided, any change to any file in the directory will trigger a reload.
    HotReload(const std::string& pathToWatch);

    bool CheckForChanges();
    void UpdateLastWriteTime();

private:
    std::string path;
    std::time_t lastWriteTime;

    std::time_t GetFileWriteTime(const std::string& filename);
    // Return the most recent write time found in the watched path. If `path` is a
    // directory, this scans all files (non-recursive) and returns the newest
    // modification time. If it's a file, it returns that file's write time.
    std::time_t GetLatestWriteTimeInPath();
};