#include "texture.hpp"

#include <iostream>
#include "glad/glad.h"
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"

Texture::Texture(const char* texture_path)
{
	glGenTextures(1, &id);
	glBindTexture(GL_TEXTURE_2D, id);
	// set the texture wrapping/filtering options (on the currently bound texture object)
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);	
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	int width, height, nrChannels;
	stbi_set_flip_vertically_on_load(true);
	unsigned char *data = stbi_load(texture_path, &width, &height, &nrChannels, 0);
	if (data)
	{
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
		glGenerateMipmap(GL_TEXTURE_2D);
	}
	else
	{
		std::cout << "Failed to load texture" << std::endl;
	}
	stbi_image_free(data);
}