use alloc::{
    boxed::Box,
    string::{String, ToString},
};
use hashbrown::HashMap;

use crate::character_device::CharacterDevice;

pub mod dev_null;
pub mod dev_unicode;
pub mod dev_zero;

// FIXME: This is a hack to hold a device.
pub enum Device {
    CharacterDevice(Box<dyn CharacterDevice>),
    // BlockDevice,
}
unsafe impl Sync for Device {}
unsafe impl Send for Device {}

pub struct DeviceTable {
    pub devices: HashMap<String, Device>,
}
use self::dev_null::DevNull;
pub use self::Device::*;
impl DeviceTable {
    pub fn new() -> Self {
        let mut table: HashMap<String, Device> = HashMap::new();
        table.insert("null".to_string(), CharacterDevice(Box::new(DevNull)));
        DeviceTable { devices: table }
    }
}

lazy_static::lazy_static!(
    static ref DEVICE_TABLE: DeviceTable = DeviceTable::new();
);