#include "Gedeng/RenderBackend.h"

namespace Gedeng {

void RenderBackend::initialize_window(unsigned int width, unsigned int height, String title) {
    glfwInit();
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

#ifdef __APPLE__
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif

    window = glfwCreateWindow(width, height, title, NULL, NULL);
    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);

    glEnable(GL_DEPTH_TEST);
    // glEnable(GL_CULL_FACE);
    // glEnable(GL_BLEND);
    // glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}

bool RenderBackend::is_window_created() {
    return window != nullptr;
}

void RenderBackend::set_depth_test_enabled(bool enabled) {
    if (enabled) {
        glEnable(GL_DEPTH_TEST);
    } else {
        glDisable(GL_DEPTH_TEST);
    }
}

bool RenderBackend::does_window_want_to_close() {
    return glfwWindowShouldClose(window);
}

GLFWwindow *RenderBackend::get_window() {
    return window;
}

void RenderBackend::render() {
    glfwSwapBuffers(window);
}

} // namespace Gedeng