#include <pgpl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

struct AppData {
  int counter;
  char counter_buffer[128];
  PGPL_Gui *gui;
};

static void on_counter_button_click(void *data) {
  struct AppData *app = data;
  app->counter++;
  snprintf(app->counter_buffer, sizeof(app->counter_buffer), "%d",
           app->counter);

  if (app->counter % 10 == 0) {
    pgpl_gui_theme_configure(
        &app->gui->theme,
        pgpl_color_create(rand() % 256, rand() % 256, rand() % 256, 255), 48,
        app->gui->theme.font);
  }
}

static void configure_widget_default(PGPL_GuiWidget *widget) {
  pgpl_gui_widget_configure(widget, 0, 0, true, true, true, true,
                            PGPL_GUI_FONT_SIZE_CONTENT, NULL, false, false,
                            false, false);
}

PGPL_GuiWidget *create_main_view(struct AppData *app) {
  PGPL_GuiContainerLayout *column_layout;
  PGPL_GuiButtonWidget *counter_button;
  PGPL_GuiTextWidget *counter;

  column_layout = pgpl_gui_container_layout_create(
      PGPL_GUI_CONTAINER_LAYOUT_DIRECTION_VERTICAL);
  pgpl_gui_widget_configure(&column_layout->parent, 0, 0, true, true, false,
                            false, PGPL_GUI_FONT_SIZE_CONTENT, NULL, false,
                            true, true, false);

  counter_button =
      pgpl_gui_button_widget_create("Click me!", on_counter_button_click);
  configure_widget_default(&counter_button->parent);

  counter = pgpl_gui_text_widget_create(app->counter_buffer);
  configure_widget_default(&counter->parent);
  counter->parent.font_size = PGPL_GUI_FONT_SIZE_TITLE;
  counter->parent.background = false;
  counter->parent.border = false;

  pgpl_gui_container_layout_widget_add(column_layout, &counter->parent);
  pgpl_gui_container_layout_widget_add(column_layout, &counter_button->parent);

  return (PGPL_GuiWidget *)column_layout;
}

int32_t main(void) {
  PGPL_Gui *gui;
  PGPL_GuiTheme theme;
  PGPL_Font *font;
  struct AppData app;

  pgpl_init();

  srand(time(NULL));

  strcpy(app.counter_buffer, "0");
  app.counter = 0;

  font = pgpl_font_create_from_file("../roboto.ttf", 256);

  pgpl_gui_theme_configure(&theme, pgpl_color_create(255, 255, 255, 255), 48,
                           font);

  gui = pgpl_gui_create("PGPL Test", 320, 320, 0, 0, &theme, &app);

  app.gui = gui;

  pgpl_gui_widget_add(gui, create_main_view(&app));

  pgpl_gui_run_and_show(gui, true);

  pgpl_font_destroy(NULL, font);

  pgpl_deinit();

  return 0;
}