#include <device_info.h>
#include <devices.h>
#include <malloc.h>
#include <mprintf.h>
#include <process.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) {
  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();
  }
}