#ifndef SHADER_H
#define SHADER_H

#include <glew/glew.h>
#include <string>
#include <glm/fwd.hpp>

class QString;

class Shader
{
    static const std::string DEFAULT_VERT;
    static const std::string DEFAULT_FRAG;
    GLuint program;
    QString fileToString(QString filename);
    GLuint createShader(QString filename, GLenum shaderType);
    void printShaderInfoLog(GLuint shaderId);
    void printProgramInfoLog(GLuint programId);

public:
    Shader(const QString &vertFilename, const QString &fragFilename);
    ~Shader();
    GLuint getLocation(std::string attribName);

    void bind();
    void unbind();
    void bindFloat(GLuint location, float val);
    void bindMatrix(GLuint location, glm::mat4 mat);
    void bindVec3(GLuint location, glm::vec3 vec);
};

#endif // SHADER_H