#pragma once

#include "renderer_interface.h"
#include <SDL3/SDL_render.h>
#include <vector>

namespace vibe4 {

// Implementación básica usando SDL_Renderer como fallback
class SDLRenderer : public RendererInterface {
public:
    SDLRenderer();
    ~SDLRenderer() override;

    // Implementación de la interfaz
    bool initialize(SDL_Window* window, int width, int height) override;
    void shutdown() override;

    bool beginFrame() override;
    void endFrame() override;
    void present() override;

    void renderGradientBackground(
        float top_r, float top_g, float top_b,
        float bottom_r, float bottom_g, float bottom_b
    ) override;

    void renderSpriteBatch(
        const std::vector<SpriteData>& sprites,
        void* texture_data
    ) override;

    void setCRTParams(const CRTParams& params) override;
    void enableCRT(bool enable) override;

    BackendType getBackendType() const override { return BackendType::SDL; }
    const char* getBackendName() const override { return "SDL Fallback"; }

    void setVSync(bool enable) override;
    void resize(int width, int height) override;

    // Getter específico para compatibilidad con dbgtxt.h
    SDL_Renderer* getSDLRenderer() const { return renderer_; }

private:
    SDL_Renderer* renderer_ = nullptr;
    SDL_Texture* sprite_texture_ = nullptr;

    // Buffers para batch rendering
    std::vector<SDL_Vertex> batch_vertices_;
    std::vector<int> batch_indices_;

    // Métodos auxiliares
    void addSpriteToBatch(float x, float y, float w, float h, float r, float g, float b);
    void clearBatch();
    void renderBatch();

    // Simulación básica de efectos CRT (sin shaders reales)
    void applyCRTEffectsToColor(float& r, float& g, float& b, float x, float y);
};

} // namespace vibe4