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use uuid::Uuid;

use api::protocol::Event;

// public api from other crates
pub use sentry_types::protocol::v7 as protocol;
pub use sentry_types::protocol::v7::{Breadcrumb, Level, User};
pub use sentry_types::Dsn;

// public exports from this crate
#[cfg(feature = "with_client_implementation")]
pub use client::{init, Client, ClientOptions};
pub use hub::Hub;
pub use scope::Scope;

use hub::IntoBreadcrumbs;

/// Useful internals.
///
/// This module contains types that users of the create typically do not
/// have to directly interface with directly.  These are often returned
/// from methods on other types.
pub mod internals {
    #[cfg(feature = "with_client_implementation")]
    pub use client::{ClientInitGuard, IntoClient};
    pub use hub::IntoBreadcrumbs;
    pub use scope::ScopeGuard;
    pub use sentry_types::{Auth, DsnParseError, ProjectId, ProjectIdParseError, Scheme};
}

/// Captures an event on the currently active client if any.
///
/// The event must already be assembled.  Typically code would instead use
/// the utility methods like `capture_exception`.  The return value is the
/// event ID.  In case Sentry is disabled the return value will be the nil
/// UUID (`Uuid::nil`).
///
/// # Example
///
/// ```
/// use sentry::protocol::{Event, Level};
///
/// sentry::capture_event(Event {
///     message: Some("Hello World!".into()),
///     level: Level::Info,
///     ..Default::default()
/// });
/// ```
#[allow(unused_variables)]
pub fn capture_event(event: Event<'static>) -> Uuid {
    with_client_impl! {{
        Hub::with(|hub| hub.capture_event(event))
    }}
}

/// Captures an arbitrary message.
///
/// This creates an event form the given message and sends it to the current hub.
#[allow(unused_variables)]
pub fn capture_message(msg: &str, level: Level) -> Uuid {
    with_client_impl! {{
        Hub::with_active(|hub| {
            hub.capture_message(msg, level)
        })
    }}
}

/// Records a breadcrumb by calling a function.
///
/// The total number of breadcrumbs that can be recorded are limited by the
/// configuration on the client.  This function accepts any object that
/// implements `IntoBreadcrumbs` which is implemented for a varienty of
/// common types.  For efficiency reasons you can also pass a closure returning
/// a breadcrumb in which case the closure is only called if the client is
/// enabled.
///
/// The most common implementations that can be passed:
///
/// * `Breadcrumb`: to record a breadcrumb
/// * `Vec<Breadcrumb>`: to record more than one breadcrumb in one go.
/// * `Option<Breadcrumb>`: to record a breadcrumb or not
/// * additionally all of these can also be returned from an `FnOnce()`
///
/// # Example
///
/// ```
/// use sentry::protocol::{Breadcrumb, Map};
///
/// sentry::add_breadcrumb(|| Breadcrumb {
///     ty: "http".into(),
///     category: Some("request".into()),
///     data: {
///         let mut map = Map::new();
///         map.insert("method".into(), "GET".into());
///         map.insert("url".into(), "https://example.com/".into());
///         map
///     },
///     ..Default::default()
/// });
/// ```
#[allow(unused_variables)]
pub fn add_breadcrumb<B: IntoBreadcrumbs>(breadcrumb: B) {
    with_client_impl! {{
        Hub::with_active(|hub| {
            hub.add_breadcrumb(breadcrumb)
        })
    }}
}

/// Invokes a function that can modify the current scope.
///
/// The function is passed a mutable reference to the `Scope` so that modifications
/// can be performed.  Because there might currently not be a scope or client active
/// it's possible that the callback might not be called at all.  As a result of this
/// the return value of this closure must have a default that is returned in such
/// cases.
///
/// # Example
///
/// ```rust
/// sentry::configure_scope(|scope| {
///     scope.set_user(Some(sentry::User {
///         username: Some("john_doe".into()),
///         ..Default::default()
///     }));
/// });
/// ```
///
/// # Panics
///
/// While the scope is being configured accessing scope related functionality is
/// not permitted.  In this case a wide range of panics will be raised.  It's
/// unsafe to call into `sentry::bind_client` or similar functions from within
/// the callback as a result of this.
#[allow(unused_variables)]
pub fn configure_scope<F, R>(f: F) -> R
where
    R: Default,
    F: FnOnce(&mut Scope) -> R,
{
    with_client_impl! {{
        Hub::with_active(|hub| {
            hub.configure_scope(f)
        })
    }}
}