sonos-sdk-state 0.4.0

Internal reactive state management for sonos-sdk
Documentation 
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//! Error types for sonos-state

use std::fmt;

/// Result type for sonos-state operations
pub type Result<T> = std::result::Result<T, StateError>;

/// Errors that can occur during state management
#[derive(Debug)]
pub enum StateError {
    /// Error during initialization
    Init(String),

    /// Error parsing data
    Parse(String),

    /// Error from sonos-api
    Api(sonos_api::ApiError),

    /// State manager is already running
    AlreadyRunning,

    /// Shutdown failed
    ShutdownFailed,

    /// Lock acquisition failed
    LockError(String),

    /// Speaker not found
    SpeakerNotFound(crate::model::SpeakerId),

    /// Invalid URL
    InvalidUrl(String),

    /// Initialization failed
    InitializationFailed(String),

    /// Device registration failed
    DeviceRegistrationFailed(String),

    /// Subscription failed
    SubscriptionFailed(String),

    /// Invalid IP address
    InvalidIpAddress(String),

    /// Lock poisoned (internal mutex error)
    LockPoisoned,
}

impl fmt::Display for StateError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            StateError::Init(msg) => write!(f, "Initialization error: {msg}"),
            StateError::Parse(msg) => write!(f, "Parse error: {msg}"),
            StateError::Api(err) => write!(f, "API error: {err}"),
            StateError::AlreadyRunning => write!(f, "State manager is already running"),
            StateError::ShutdownFailed => write!(f, "Shutdown failed"),
            StateError::LockError(msg) => write!(f, "Lock error: {msg}"),
            StateError::SpeakerNotFound(id) => write!(f, "Speaker not found: {id:?}"),
            StateError::InvalidUrl(url) => write!(f, "Invalid URL: {url}"),
            StateError::InitializationFailed(msg) => write!(f, "Initialization failed: {msg}"),
            StateError::DeviceRegistrationFailed(msg) => {
                write!(f, "Device registration failed: {msg}")
            }
            StateError::SubscriptionFailed(msg) => write!(f, "Subscription failed: {msg}"),
            StateError::InvalidIpAddress(ip) => write!(f, "Invalid IP address: {ip}"),
            StateError::LockPoisoned => write!(f, "Internal lock poisoned"),
        }
    }
}

impl std::error::Error for StateError {
    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
        match self {
            StateError::Api(err) => Some(err),
            _ => None,
        }
    }
}

impl From<sonos_api::ApiError> for StateError {
    fn from(err: sonos_api::ApiError) -> Self {
        StateError::Api(err)
    }
}