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use crate::*;
#[cfg(feature = "radix_engine_fuzzing")]
use arbitrary::Arbitrary;
use core::str::FromStr;
use sbor::rust::prelude::*;

/// Represents the level of a log message.
#[cfg_attr(
    feature = "radix_engine_fuzzing",
    derive(Arbitrary, serde::Serialize, serde::Deserialize)
)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Sbor, Ord, PartialOrd, Default)]
pub enum Level {
    Error,
    Warn,
    #[default]
    Info,
    Debug,
    Trace,
}

impl fmt::Display for Level {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Level::Error => write!(f, "ERROR"),
            Level::Warn => write!(f, "WARN"),
            Level::Info => write!(f, "INFO"),
            Level::Debug => write!(f, "DEBUG"),
            Level::Trace => write!(f, "TRACE"),
        }
    }
}

impl FromStr for Level {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s {
            "ERROR" => Ok(Self::Error),
            "WARN" => Ok(Self::Warn),
            "INFO" => Ok(Self::Info),
            "DEBUG" => Ok(Self::Debug),
            "TRACE" => Ok(Self::Trace),
            _ => Err(format!("Invalid level: {}", s)),
        }
    }
}