import { Variable } from "astal";
import GTop from 'gi://GTop';

const computeStorage = (): string => {
    try {
        const currentFsUsage = new GTop.glibtop_fsusage();

        GTop.glibtop_get_fsusage(currentFsUsage, '/');

        const total = currentFsUsage.blocks * currentFsUsage.block_size;
        const available = currentFsUsage.bavail * currentFsUsage.block_size;
        const used = total - available;

        const storagestring = "    " + Math.floor(used / total * 100) + "%"

        return storagestring
    } catch (error) {
        console.error('Error calculating RAM usage:', error);
        return "";
    }
};

export default function Storage() {
    const storage_usage = Variable<string>("").poll(5000, () =>
        computeStorage())

    return <box className="storage">
        <label 
            className="Storage"
            onDestroy={() => storage_usage.drop()}
            label={storage_usage()} />
    </box>
}