#pragma once

#include <SDL3/SDL.h>
#include <vector>
#include <queue>
#include <mutex>
#include <string>

namespace Game {
    class Input {
        public:
            Input() = delete;

            static void update();
            static bool isKeyPressed(SDL_Scancode key);
            static bool isKeyJustPressed(SDL_Scancode key);
            static bool isKeyJustReleased(SDL_Scancode key);
            static bool isMouseButtonPressed(Uint8 button);
            static bool isMouseButtonJustPressed(Uint8 button);
            static bool isMouseButtonJustReleased(Uint8 button);
            static float getMouseX();
            static float getMouseY();

            // Text input from SDL text-input events (pushed by window thread, consumed by game thread)
            static void pushText(const std::string& utf8);
            static void consumeText(std::vector<std::string>& out);

        private:
            static const bool* mCurrentKeyStates;
            static std::vector<Uint8> mPreviousKeyStates;
            static int mNumKeys;
            static int mPrevNumKeys;
            static SDL_MouseButtonFlags mCurrentMouseButtonStates;
            static SDL_MouseButtonFlags mPreviousMouseButtonStates;
            static float mMouseX;
            static float mMouseY;

            // Text input queue and mutex (window thread writes via pushText, game thread reads via consumeText)
            static std::mutex mTextMutex;
            static std::vector<std::string> mPendingText;
    };
}