//! Error types for LSL operations

use thiserror::Error;

/// Errors that can occur during LSL operations
#[derive(Debug, Error)]
pub enum LslError {
    /// Stream not found during discovery
    #[error("Stream not found: {name}")]
    StreamNotFound { name: String },

    /// Connection failed
    #[error("Failed to connect to stream: {message}")]
    ConnectionFailed { message: String },

    /// Stream disconnected unexpectedly
    #[error("Stream disconnected: {stream_id}")]
    Disconnected { stream_id: String },

    /// Timeout waiting for samples
    #[error("Timeout waiting for samples")]
    Timeout,

    /// Invalid stream configuration
    #[error("Invalid stream configuration: {message}")]
    InvalidConfig { message: String },

    /// Buffer overflow - samples lost
    #[error("Buffer overflow: {lost} samples lost")]
    BufferOverflow { lost: usize },

    /// Native LSL library not available
    #[error("Native LSL library not available. Install liblsl and rebuild with 'native' feature.")]
    NativeNotAvailable,

    /// Channel send error
    #[error("Channel send error: {0}")]
    ChannelSend(String),

    /// I/O error
    #[error("I/O error: {0}")]
    Io(#[from] std::io::Error),
}

/// Result type for LSL operations
pub type Result<T> = std::result::Result<T, LslError>;