Lumacs/include/lumacs/plugin_manager.hpp

#pragma once

#include <string>
#include <vector>
#include <memory>
#include <unordered_map>
#include <filesystem>

namespace lumacs {

// Forward declarations
class EditorCore;
class LuaApi;

/// @brief Represents a loaded Lua plugin.
struct Plugin {
    std::string name;
    std::filesystem::path path;
    // Potentially add more state like loaded status, config table, etc.
};

/// @brief Manages the discovery, loading, and unloading of Lua plugins.
class PluginManager {
public:
    explicit PluginManager(EditorCore& core, LuaApi& lua_api);

    /// @brief Discovers Lua plugin files in specified directories.
    /// @param plugin_dirs A list of directories to search for plugins.
    void discover_plugins(const std::vector<std::filesystem::path>& plugin_dirs);

    /// @brief Loads a specific plugin by name.
    /// @param name The name of the plugin to load (e.g., "my_plugin").
    /// @return True if the plugin was loaded successfully, false otherwise.
    bool load_plugin(const std::string& name);

    /// @brief Unloads a specific plugin by name.
    /// @param name The name of the plugin to unload.
    /// @return True if the plugin was unloaded successfully, false otherwise.
    bool unload_plugin(const std::string& name);

    /// @brief Gets a list of all discovered plugin names.
    std::vector<std::string> get_discovered_plugins() const;

    /// @brief Gets a list of currently loaded plugin names.
    std::vector<std::string> get_loaded_plugins() const;

private:
    [[maybe_unused]] EditorCore& core_; // Reserved for future plugin integration
    LuaApi& lua_api_;

    std::unordered_map<std::string, std::filesystem::path> discovered_plugins_;
    std::unordered_map<std::string, Plugin> loaded_plugins_;

    /// @brief Helper to execute a plugin's `on_load` function.
    void execute_on_load(const Plugin& plugin);

    /// @brief Helper to execute a plugin's `on_unload` function.
    void execute_on_unload(const Plugin& plugin);
};

} // namespace lumacs