#ifndef DRAW_HPP
#define DRAW_HPP
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <string>
#include "constants.hpp"

struct offsetsStruct {
    offsetsStruct(): xOffset(0), yOffset(0), zOffset(0) { }
    float xOffset, yOffset, zOffset;
};

struct drawFigureReturn {
    int success;
    unsigned int VAO;
    unsigned int VBO;
    unsigned int EBO;
};

drawFigureReturn drawFigure(const int whatToDraw);
drawFigureReturn drawSquare(const float squareVertices[] = constants::SQUARE_VERTICES, const size_t squareVerticesSize = constants::SQUARE_VERTICES_SIZE, const unsigned int squareIndices[] = constants::SQUARE_INDICES, const size_t squareIndicesSize = constants::SQUARE_INDICES_SIZE, const char* vertexShaderSource = constants::VERTEX_SHADER_SOURCE, const char* fragmentShaderSource = constants::FRAGMENT_SHADER_SOURCE, const bool colorIncluded = false, const bool textureIncluded = false, const offsetsStruct offsets = offsetsStruct());
drawFigureReturn drawSquareClass(const char* vertexPath, const char* fragmentPath, const bool colorIncluded = false, const bool textureIncluded = false, const offsetsStruct offsets = offsetsStruct());
void doDrawElements(const unsigned int shaderProgram, const unsigned int vertexArrayObject, const GLenum drawArrayMode, const GLenum drawType, const int numberOfElementsToDraw);
drawFigureReturn drawTriangleClass(const float triangleVertices[], const size_t triangleVerticesSize, const char* vertexPath, const char* fragmentPath, const bool colorIncluded = false, const bool textureIncluded = false, const offsetsStruct offsets = offsetsStruct());
drawFigureReturn drawTriangle(const float triangleVertices[], const size_t triangleVerticesSize, const char* vertexShaderSource, const char* fragmentShaderSource, const bool colorIncluded = false, const bool textureIncluded = false);
int drawTexture();
void updateUniformColor(const unsigned int shaderProgram, const GLchar* uniformName);
void doDrawArrays(const unsigned int shaderProgram, const unsigned int vertexArrayObject, const GLenum drawArrayMode, const int firstIndex, const unsigned int numberOfIndicesToBeRendered );
unsigned int drawSquareShaderProgram(const char* vertexShaderSource, const char* fragmentShaderSource);
drawFigureReturn drawDebilMode(const char* vertexPath, const char* fragmentPath, const float vertices[], const size_t verticesSize, const unsigned int indices[], const size_t indicesSize);

#endif