/*
 * TextArea.h
 *
 *  Created on: Nov 27, 2016
 *      Author: tibi
 */

#ifndef GUI_PRIMITIVES_TEXTAREA_H_
#define GUI_PRIMITIVES_TEXTAREA_H_

#include <gui/primitives/UIElement.h>

#include <vector>

namespace farmlands {
namespace gui {
namespace widgets {

	enum class TextAlign
	{
		TopLeft,
		TopCenter,
		TopRight,
		MiddleLeft,
		MiddleCenter,
		MiddleRight,
		BottomLeft,
		BottomCenter,
		BottomRight,
	};

	enum class TextHorizontalWrapping
	{
		Overflow,
		Wrap,
		Trim,
		Ellipsis
	};

	enum class TextVerticalWrapping
	{
		Overflow,
		Trim
	};

	class TextArea: public primitives::UIElement
	{
	public:
		TextArea();
		virtual ~TextArea();

		virtual void render(RenderContext& context) override;

		// Getters and setters
		inline std::string text() const { return m_text; }
		inline int font() const { return m_fontId; }
		inline int textSize() const { return m_fontSize; }
		inline SDL_Color color() const { return m_color; }
		inline TextAlign alignment() const { return m_align; }
		inline TextHorizontalWrapping horizontalWrap() const { return m_horWrap; }
		inline TextVerticalWrapping verticalWrap() const { return m_verWrap; }

		void setText(const std::string& text);
		void setFont(int fontId);
		void setTextSize(int size);
		void setColor(SDL_Color color);
		void setColor(float r, float g, float b, float a = 1.0f);
		void setAlignment(TextAlign align);
		void setHorizontalWrap(TextHorizontalWrapping wrap);
		void setVerticalWrap(TextVerticalWrapping wrap);

	private:
		void wrapText(TTF_Font* font);
		void renderLines(RenderContext& context, TTF_Font* font);

		std::string m_text;
		std::string m_wrappedText;

		bool m_textChanged;
		int m_fontId;
		int m_fontSize;
		SDL_Color m_color;
		TextAlign m_align;
		TextHorizontalWrapping m_horWrap;
		TextVerticalWrapping m_verWrap;

		std::vector<SDL_Texture*> m_renderedLines;
	};

} /* namespace primitives */
} /* namespace gui */
} /* namespace farmlands */

#endif /* GUI_PRIMITIVES_TEXTAREA_H_ */