import useSWR from "swr";
import { FiHardDrive, FiCpu } from "react-icons/fi";
import { FaMemory } from "react-icons/fa";

export default function Resources({ options }) {
  const { data, error } = useSWR(
    `/api/widgets/resources?disk=${options.disk}`,
    {
      refreshInterval: 1500,
    }
  );

  if (error) {
    return <div>failed to load</div>;
  }

  if (!data) {
    return (
      <>
        {options.disk && (
          <div className="flex-none flex flex-row items-center justify-center mr-5">
            <FiHardDrive className="text-theme-800 dark:text-theme-200 w-5 h-5" />
            <div className="flex flex-col ml-3 text-left font-mono">
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - GB free
              </span>
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - GB used
              </span>
            </div>
          </div>
        )}

        {options.cpu && (
          <div className="flex-none flex flex-row items-center justify-center mr-5">
            <FiCpu className="text-theme-800 dark:text-theme-200 w-5 h-5" />
            <div className="flex flex-col ml-3 text-left font-mono">
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - Usage
              </span>
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - Load
              </span>
            </div>
          </div>
        )}

        {options.memory && (
          <div className="flex-none flex flex-row items-center justify-center mr-5">
            <FaMemory className="text-theme-800 dark:text-theme-200 w-5 h-5" />
            <div className="flex flex-col ml-3 text-left font-mono">
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - GB Used
              </span>
              <span className="text-theme-800 dark:text-theme-200 text-xs">
                - GB Free
              </span>
            </div>
          </div>
        )}
      </>
    );
  }

  if (data.error) {
    return <div className="flex flex-col items-center justify-center"></div>;
  }

  return (
    <>
      {options.disk && (
        <div className="flex-none flex flex-row items-center justify-center mr-5">
          <FiHardDrive className="text-theme-800 dark:text-theme-200 w-5 h-5" />
          <div className="flex flex-col ml-3 text-left font-mono">
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round(data.drive.freeGb)} GB free
            </span>
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round(data.drive.totalGb)} GB used
            </span>
          </div>
        </div>
      )}

      {options.cpu && (
        <div className="flex-none flex flex-row items-center justify-center mr-5">
          <FiCpu className="text-theme-800 dark:text-theme-200 w-5 h-5" />
          <div className="flex flex-col ml-3 text-left font-mono">
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round(data.cpu.usage)}% Usage
            </span>
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round(data.cpu.load * 100) / 100} Load
            </span>
          </div>
        </div>
      )}

      {options.memory && (
        <div className="flex-none flex flex-row items-center justify-center mr-5">
          <FaMemory className="text-theme-800 dark:text-theme-200 w-5 h-5" />
          <div className="flex flex-col ml-3 text-left font-mono">
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round((data.memory.usedMemMb / 1024) * 100) / 100} GB Used
            </span>
            <span className="text-theme-800 dark:text-theme-200 text-xs">
              {Math.round((data.memory.freeMemMb / 1024) * 100) / 100} GB Free
            </span>
          </div>
        </div>
      )}
    </>
  );
}