#ifndef WIDGET_IMAGE_H_
#define WIDGET_IMAGE_H_

#include "Widget.h"

#include <string>

#include "../sdl_helpers.h"

class WidgetImage : public Widget
{
protected:
	// Image filepath
	std::string m_filename;

	// Image surface
	SDL_Surface* m_image_surface;

	// Whether to resize the image and how
	// RESIZE_NONE - Do not resize
	// RESIZE_FIT - Scale the image to fit the rectangle
	// RESIZE_STRETCH - Scale and stretch the image to fit the box perfectly
	ImageResize m_resize_type;

	// Default - center
	HorizontalAlign m_halign;

	// Default - center
	VerticalAlign m_valign;

	// Background color to be used
	// Default - transparent white
	SDL_Color m_bg_color;

public:
	WidgetImage(int x, int y, int width, int height, std::string filename,
		ImageResize resize_type = RESIZE_FIT,
		HorizontalAlign halign = HALIGN_CENTER,
		VerticalAlign valign = VALIGN_CENTER,
		SDL_Color bg_color = SDL_Color{.r = 255, .g = 255, .b = 255, .a = SDL_ALPHA_TRANSPARENT});

	virtual void draw() override;

	static std::unique_ptr<Widget> builder(const nlohmann::json& j);

protected:
	// Create a new surface of the image_surface that is scaled via RESIZE_FIT method
	// NOTE: The user MUST free the surface when done with it
	SDL_Surface* image_scale_fit();
};

#endif // WIDGET_IMAGE_H_