use thiserror::Error;

/// Result type alias for ComfyUI SDK operations
pub type Result<T> = std::result::Result<T, ComfyUIError>;

/// Error types for ComfyUI SDK operations
#[derive(Error, Debug)]
pub enum ComfyUIError {
    /// HTTP request error
    #[error("HTTP request failed: {0}")]
    Http(#[from] reqwest::Error),

    /// JSON serialization/deserialization error
    #[error("JSON error: {0}")]
    Json(#[from] serde_json::Error),

    /// URL parsing error
    #[error("URL parsing error: {0}")]
    Url(#[from] url::ParseError),

    /// API error response
    #[error("API error: {status} - {message}")]
    Api { status: u16, message: String },

    /// Validation error
    #[error("Validation error: {0}")]
    Validation(String),

    /// Server not found error
    #[error("Server not found: {0}")]
    ServerNotFound(String),

    /// Workflow not found error
    #[error("Workflow not found: {0}")]
    WorkflowNotFound(String),

    /// Generic error
    #[error("Error: {0}")]
    Generic(String),
}