//! 运行日志：日志级别与日志条目。





#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum LogLevel {
    Debug,
    Info,
    Warn,
    Error,
}

impl LogLevel {
    pub fn label(self) -> &'static str {
        match self {
            Self::Debug => "DEBUG",
            Self::Info => "INFO",
            Self::Warn => "WARN",
            Self::Error => "ERROR",
        }
    }

    pub fn parse(s: &str) -> Self {
        match s {
            "debug" => Self::Debug,
            "warn" => Self::Warn,
            "error" => Self::Error,
            _ => Self::Info,
        }
    }
}

#[derive(Debug, Clone)]
pub struct LogEntry {
    pub timestamp: i64,
    pub connection_id: String,
    pub level: LogLevel,
    pub event: String,
    pub message: String,
    pub details: Option<String>,
}

// ─── 连接状态 ────────────────────────────────────────────────────────────────