#include <device_info.h>
#include <devices.h>
#include <malloc.h>
#include <mprintf.h>
#include <process_self.h>
#include <status.h>
#include <string.h>
#include <system.h>

static const char* device_types_str[] = {
    [DEVICE_TYPE_DEBUGCONSOLE] = "Debug console", [DEVICE_TYPE_TERMINAL] = "System terminal",
    [DEVICE_TYPE_KEYBOARD] = "Keyboard",          [DEVICE_TYPE_DRIVE] = "Drive",
    [DEVICE_TYPE_USB_CTRL] = "USB controller",
};

static void list_all_devices (void) {
  struct device_info* infos = malloc (sizeof (struct device_info) * 1024);
  memset (infos, 0, sizeof (struct device_info) * 1024);

  int device_count = get_device_info (infos, 1024);

  mprintf ("%-30s %-20s\n", "NAME", "TYPE");
  for (int dev = 0; dev < device_count; dev++) {
    struct device_info* info = &infos[dev];

    mprintf ("%-30s %-20s\n", info->key, device_types_str[info->type]);
  }
}

void app_main (void) {
  libprocess_self_init ();

  char commandbuf[32];
  memset (commandbuf, 0, sizeof (commandbuf));

  if (env_get (process_get_pgid (), "help", (void*)commandbuf, sizeof (commandbuf)) == ST_OK) {
    mprintf ("devices -C command\n");
    mprintf ("commands: list_all\n");
    return;
  }

  if (env_get (process_get_pgid (), "C", (void*)commandbuf, sizeof (commandbuf)) != ST_OK) {
    mprintf ("ERROR C=???. No command provided\n");
    return;
  }

  if (strcmp (commandbuf, "list_all") == 0) {
    list_all_devices ();
  }
}