#include "nova64_core.h"
#include "FreeRTOS.h"
#include "queue.h"
#include "task.h"
#include <stdio.h>

#if defined(ESP_PLATFORM)
/* ESP32-spezifische Header für Low-Power & Watchdog */
#include "esp_pm.h"
#include "esp_rom_sys.h"
#include "esp_task_wdt.h"
#elif defined(_WIN32)
/* Windows API für Schlafen im Desktop-Thread */
#include <windows.h>
#else
/* POSIX / Linux / macOS Sleep */
#define _POSIX_C_SOURCE 199309L
#include <time.h>
#endif

static bool is_initialized = false;
static QueueHandle_t event_queue = NULL;


NOVA64_API bool nova64_init_io(const nova64_io_interface_t *io_interface) {
  printf("[Nova64 Core] System Initializing...\n");

  event_queue = xQueueCreate(10, sizeof(uint32_t));

  is_initialized = true;
  return true;
}

NOVA64_API int32_t nova64_process_tick(uint32_t delta_ms) {
  if (!is_initialized)
    return -1;
  // Core Game-Logic & State Machine Ticks
  return 0; // OK
}

NOVA64_API uint32_t nova64_get_version(void) {
  return 0x010000; // v1.0.0
}

/* FreeRTOS hook: called by the kernel when the idle task runs.
 * Required because configUSE_IDLE_HOOK is enabled in FreeRTOSConfig.h
 */
void vApplicationIdleHook(void) {
#if defined(ESP_PLATFORM)

  // -------------------------------------------------------------------------
  // ESP32-specific idle hook code
  // -------------------------------------------------------------------------
#if CONFIG_ESP_TASK_WDT
  // Feed the watchdog to prevent reset
  esp_task_wdt_reset();
#endif
  asm volatile("wfi"); // Wait for interrupt to save power

#elif defined(_WIN32)

  // -------------------------------------------------------------------------
  // Windows-specific idle hook code
  // -------------------------------------------------------------------------
  Sleep(1); // Sleep for 1 millisecond to yield CPU

#else

  // -------------------------------------------------------------------------
  // POSIX-specific idle hook code
  // -------------------------------------------------------------------------
  struct timespec ts = {0, 1000000}; // 1 millisecond
  nanosleep(&ts, NULL);

#endif
}