module;

#include <SDL3/SDL_events.h>

export module wrappers.sdl.events;

export namespace sdl
{
    // Simple alias for SDL_Event union
    using Event = SDL_Event;

    // Alias for EventType enum
    using EventType = SDL_EventType;

    /**
     * Wrapper for the SDL_EventType enum.
     *
     * We're using a namespace here to emulate an enum-like interface, without having to copy the entire enum.
     * More constants can be added on demand.
     */
    namespace EventTypes
    {
        // Application events
        constexpr EventType Quit = SDL_EVENT_QUIT;

        // Window events
        constexpr EventType WindowMouseLeave = SDL_EVENT_WINDOW_MOUSE_LEAVE;
        constexpr EventType WindowDisplayScaleChanged = SDL_EVENT_WINDOW_DISPLAY_SCALE_CHANGED;
        constexpr EventType WindowPixelSizeChanged = SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED;

        // Keyboard events
        constexpr EventType KeyDown = SDL_EVENT_KEY_DOWN;
        constexpr EventType KeyUp = SDL_EVENT_KEY_UP;
        constexpr EventType TextInput = SDL_EVENT_TEXT_INPUT;

        // Mouse events
        constexpr EventType MouseMotion = SDL_EVENT_MOUSE_MOTION;
        constexpr EventType MouseButtonDown = SDL_EVENT_MOUSE_BUTTON_DOWN;
        constexpr EventType MouseButtonUp = SDL_EVENT_MOUSE_BUTTON_UP;
        constexpr EventType MouseWheel = SDL_EVENT_MOUSE_WHEEL;

        // Touch events
        constexpr EventType FingerDown = SDL_EVENT_FINGER_DOWN;
        constexpr EventType FingerUp = SDL_EVENT_FINGER_UP;
        constexpr EventType FingerMotion = SDL_EVENT_FINGER_MOTION;
    }
}