#[macro_use]
extern crate log;

use clap::Parser;
use env_logger::Env;
use fuser::MountOption;

mod fs;

#[derive(Parser)]
#[command(version, about, long_about = None)]
struct Args {
    /// Pass FUSE options to library
    #[arg(short = 'o', value_name = "OPT")]
    options: Vec<String>,

    /// Allow opening files with O_DIRECT
    #[arg(long = "allow-direct-io")]
    allow_direct_io: bool,

    /// Mount point
    #[arg(value_name = "MOUNT_POINT")]
    mount_point: String,
}

fn main() {
    env_logger::init_from_env(Env::new().filter("CORRUPTFS_LOG"));

    let args = Args::parse();
    debug!("extra options: {:?}", args.options);

    let mut options = vec![
        MountOption::FSName("corruptfs".to_string()),
        MountOption::NoDev,
        MountOption::NoSuid,
        MountOption::RW,
    ];
    options.extend(
        args.options
            .iter()
            .map(|opt| MountOption::CUSTOM(opt.clone())),
    );

    fuser::mount2(fs::CorruptFs::new(args.allow_direct_io), args.mount_point, &options).unwrap();
}