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use std::{fmt, io};
use try_from::TryFrom;

#[repr(u8)]
#[derive(Clone, Debug, PartialEq)]
pub enum ModuleState {
    Uninitialized = 0,
    Ready = 1,
    Running = 2,
    Error = 3,
}

impl TryFrom<u8> for ModuleState {
    type Err = io::Error;
    fn try_from(value: u8) -> io::Result<Self> {
        match value {
            0 => Ok(ModuleState::Uninitialized),
            1 => Ok(ModuleState::Ready),
            2 => Ok(ModuleState::Running),
            3 => Ok(ModuleState::Error),
            _ => Err(io::Error::new(
                io::ErrorKind::InvalidData,
                format!("Invalid ModuleState enum value {}", value),
            )),
        }
    }
}

impl fmt::Display for ModuleState {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}