#include "texture.h"
#include <cache.h>
#include <gfx/image.h>
#include <resource.h>
#include <stb/stb_image.h>

Cache<Texture> Texture::cachedTexture;

Texture::Texture(const std::filesystem::path & fileName) : m_texture {}
{
	const Image tex {Resource::mapPath(fileName).c_str(), STBI_rgb_alpha};

	glGenTextures(1, &m_texture);
	glBindTexture(GL_TEXTURE_2D, m_texture);

	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);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, static_cast<GLsizei>(tex.width), static_cast<GLsizei>(tex.height), 0,
			GL_RGBA, GL_UNSIGNED_BYTE, tex.data.data());
}

Texture::~Texture()
{
	glDeleteTextures(1, &m_texture);
}

void
Texture::Bind() const
{
	glBindTexture(GL_TEXTURE_2D, m_texture);
}