#ifndef UI_H
#define UI_H

#include "renderer.h"
#include <GLFW/glfw3.h>
#include <string>
#include <map>

class UI {
public:
	float height;
	float width;
	float xpos;
	float ypos;
	int R;
	int G;
	int B;

	int texIndex = 0; // default dummy texture
	const float* uvs = nullptr; // default no texture coordinates
    virtual void pushToRenderer(Renderer* renderer);

	virtual bool isHovered(GLFWwindow* window);
	virtual bool isClicked(GLFWwindow* window);
};

class Button : public UI {
public:
	Button(float height, float width, float xpos, float ypos, int R, int G, int B, int texIndex, const float* uvs);
	Button(float height, float width, float xpos, float ypos, int R, int G, int B, int texIndex, std::string message);
	void pushToRenderer(Renderer* renderer) override;
	std::string message;
};

class Text : public UI {
public:
	Text(float width, float xpos, float ypos, int texIndex, std::string message);
	void pushToRenderer(Renderer* renderer) override;
	std::string message;
};

class TextBox : public Text {
public:
	TextBox(float width, float fontSize, float xpos, float ypos, int texIndex, std::string defaultMessage);
	void pushToRenderer(Renderer* renderer) override;
	void collectInput(GLFWwindow* window);

	float fontSize;
	std::map<int, bool> keyHeld;
};

class DrawingBoard : public UI {
private:
	std::vector<std::pair<GLfloat, GLfloat>> drawingPoints;
public:
	Button& clearBtn;
	Button& saveBtn;

	bool saveRequested = false;
	bool saved = false;
	std::string saveAs;

	DrawingBoard(float height, float width, float xpos, float ypos, std::string saveAs);
	void pushToRenderer(Renderer* renderer) override;
	bool isClicked(GLFWwindow* window) override;
	bool isCleared(GLFWwindow* window);
	bool isSaved(GLFWwindow* window);
};

#endif