use std::sync::Arc;
use clap::Parser;
use fuser::MountOption;
use log::LevelFilter;
use users::{get_current_gid, get_current_uid};
use aya::AyaFS;
use aya::block_device::memory_disk::MemoryDisk;

#[derive(Parser, Debug)]
#[command(author, version, about)]
struct Args {
    mount_point: Option<String>,
    #[arg(short, action = clap::ArgAction::Count)]
    verbosity: u8,
    #[arg(long)]
    auto_unmount: bool,
    #[arg(long)]
    allow_root: bool,
}

fn main() {
    let args = Args::parse();
    let mount_point = args.mount_point.unwrap();
    let verbosity = args.verbosity;
    let log_level = match verbosity {
        0 => LevelFilter::Error,
        1 => LevelFilter::Warn,
        2 => LevelFilter::Info,
        3 => LevelFilter::Debug,
        _ => LevelFilter::Trace,
    };
    env_logger::builder().filter_level(log_level).init();
    let options = vec![
        // MountOption::RO,
        MountOption::FSName("hello".to_string()),
        MountOption::AutoUnmount,
        MountOption::AllowRoot,
    ];
    let disk = Arc::new(MemoryDisk::new(16384));
    let filesystem = AyaFS::new(disk, 16384, get_current_uid(), get_current_gid());

    fuser::mount2(filesystem, mount_point, &options).unwrap();
}