#define CIMGUI_DEFINE_ENUMS_AND_STRUCTS

#include <GL/gl.h>
#include <GLFW/glfw3.h>
#include <imgui/cimgui.h>
#include <imgui/imgui_impl_opengl3.h>
#include <imgui/imgui_impl_glfw.h>

extern "C" {
#include "ui.h"
}

#define WIDTH 425
#define HEIGHT 200

void glfw_logger(int error, const char *desc)
{
  fprintf(stderr, "Erreur %d GLFW: %s\n", error, desc);
}

int main(void)
{
  GLFWwindow* window;

  ImGuiContext *ctx;
  /* ImGuiIO *io; */

  const char *glsl_version;

  if (!glfwInit())
  {
    fprintf(stderr, "Erreur à l'initialisation de GLFW.\n");
    return -1;
  }

  glfwSetErrorCallback(glfw_logger);

  glfwWindowHint(GLFW_RESIZABLE, 0);
  window = glfwCreateWindow(WIDTH, HEIGHT, "Macros", NULL, NULL);
  if (!window)
  {
    fprintf(stderr, "Erreur lors de la création de la fenêtre GLFW.\n");
    glfwTerminate();
    return -1;
  }

  glfwMakeContextCurrent(window);

  ctx = igCreateContext(NULL);
  /* io  = igGetIO(); */

  glsl_version = "#version 330 core";
  ImGui_ImplGlfw_InitForOpenGL(window, true);
  ImGui_ImplOpenGL3_Init(glsl_version);

  igStyleColorsDark(NULL);

  const char *name = "fichier.macros";

  ui_infos *ui = init_ui(name);

  while (!glfwWindowShouldClose(window))
  {
    glfwPollEvents();

    ImGui_ImplOpenGL3_NewFrame();
    ImGui_ImplGlfw_NewFrame();
    igNewFrame();

    if (draw_ui(ui)) break;

    igRender();
    glClear(GL_COLOR_BUFFER_BIT);
    ImGui_ImplOpenGL3_RenderDrawData(igGetDrawData());
    glfwSwapBuffers(window);
  }

  free_ui(ui);

  ImGui_ImplOpenGL3_Shutdown();
  ImGui_ImplGlfw_Shutdown();
  igDestroyContext(ctx);

  glfwDestroyWindow(window);
  glfwTerminate();

  return 0;
}