#pragma once

#include "app_framework.hpp"

#include <memory>
#include <string>
#include <vector>

class AppSystem {
public:
    explicit AppSystem(AppContext context);

    void registerApp(std::unique_ptr<IAppFactory> factory);
    bool startApp(const std::string& name);
    bool startAppByIndex(std::size_t index);

    void run();

    [[nodiscard]] std::size_t appCount() const { return factories.size(); }
    [[nodiscard]] const IAppFactory* factoryAt(std::size_t index) const;
    [[nodiscard]] std::size_t indexOfFactory(const IAppFactory* factory) const;
    [[nodiscard]] std::size_t currentFactoryIndex() const { return activeIndex; }

    [[nodiscard]] const IApp* currentApp() const { return current.get(); }
    [[nodiscard]] const IAppFactory* currentFactory() const { return activeFactory; }

private:
    AppContext                       context;
    std::vector<std::unique_ptr<IAppFactory>> factories;
    std::unique_ptr<IApp>                    current;
    IAppFactory*                             activeFactory = nullptr;
    std::size_t                               activeIndex   = static_cast<std::size_t>(-1);
};