mod client;
mod error;
mod prompt_cache;
mod sse;
mod types;

pub use client::{
    oauth_token_is_expired, read_base_url, resolve_saved_oauth_token, resolve_startup_auth_source,
    AnthropicClient, AuthSource, MessageStream, OAuthTokenSet,
};
pub use error::ApiError;
pub use prompt_cache::{
    CacheBreakEvent, PromptCache, PromptCacheConfig, PromptCachePaths, PromptCacheRecord,
    PromptCacheStats,
};
pub use sse::{parse_frame, SseParser};
pub use types::{
    ContentBlockDelta, ContentBlockDeltaEvent, ContentBlockStartEvent, ContentBlockStopEvent,
    InputContentBlock, InputMessage, MessageDelta, MessageDeltaEvent, MessageRequest,
    MessageResponse, MessageStartEvent, MessageStopEvent, OutputContentBlock, StreamEvent,
    ToolChoice, ToolDefinition, ToolResultContentBlock, Usage,
};

#[cfg(test)]
pub(crate) fn test_env_lock() -> std::sync::MutexGuard<'static, ()> {
    static LOCK: std::sync::OnceLock<std::sync::Mutex<()>> = std::sync::OnceLock::new();
    LOCK.get_or_init(|| std::sync::Mutex::new(()))
        .lock()
        .unwrap_or_else(std::sync::PoisonError::into_inner)
}