#define STB_IMAGE_IMPLEMENTATION

#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <stb_image.h>
#include <funcs.h>
#include <shader.h>
#include <NBEngine/Window.h>
#include "Draw.h"

int main() {
    NB::NBWindow myWindow(800, 600, "Howdy Naif!");
    auto window = myWindow.getWindow();

    myWindow.init();
    glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);

    NB::Shader myShader("../shaders/vert.vs", "../shaders/frag.fs");
    myShader.use();

    std::vector<NB::VertexAttribute> attrs = {
        {2, GL_FLOAT, false},
        {3, GL_FLOAT, false}
    };
    __NB_GL_DEBUG__(NB::DrawBuffer myBuffer(attrs, myShader));
    __NB_GL_DEBUG__(myBuffer.generateElementBuffer({0, 1, 2, 0, 2, 3}, GL_TRIANGLES));
    std::vector<float> data_float = {
        -0.5, -0.5, 1.0, 0.0, 0.0,
         0.5, -0.5, 0.0, 1.0, 0.0,
         0.5,  0.5, 0.0, 0.0, 1.0,
        -0.5,  0.5, 1.0, 0.0, 1.0
    };
    __NB_GL_DEBUG__(myBuffer.generateVertexBuffer(NB::rawDataVector(data_float)));


    std::cout << "elmt buf to " << NB::getBound(GL_ELEMENT_ARRAY_BUFFER_BINDING) << "\n";
    std::cout << "vert buf to " << NB::getBound(GL_VERTEX_ARRAY_BINDING) << "\n";
    // Window loop
    GLenum err;
    while(!glfwWindowShouldClose(window)) {
        __NB_GL_DEBUG_THROW__("nothing", "during");
        // Input checking
        processInput(window);

        // Rendering Loop
        myShader.use();
        glClearColor(0.2f, 0.4f, 0.3f, 1.0f);
        glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
        __NB_GL_DEBUG__(myBuffer.draw());

        // Events and buffer swap
        glfwPollEvents();
        glfwSwapBuffers(window);
    }

    glfwTerminate();

    return 0;
}