// WARNING: This file is machine generated by fidlgen.

// fidl_experiment = no_optional_structs
// fidl_experiment = output_index_json
// fidl_experiment = simple_empty_response_syntax
// fidl_experiment = unknown_interactions

#![allow(
    unused_parens, // one-element-tuple-case is not a tuple
    unused_mut, // not all args require mutation, but many do
    nonstandard_style, // auto-caps does its best, but is not always successful
)]
#![recursion_limit = "512"]

#[cfg(target_os = "fuchsia")]
#[allow(unused_imports)]
use fuchsia_zircon as zx;

#[allow(unused_imports)]
use {
    bitflags::bitflags,
    fidl::{
        client::{decode_transaction_body_fut, QueryResponseFut},
        encoding::{zerocopy, Decodable as _, Encodable as _},
        endpoints::{ControlHandle as _, Responder as _},
        fidl_bits, fidl_empty_struct, fidl_enum, fidl_struct, fidl_struct_copy, fidl_table,
        fidl_union, wrap_handle_metadata,
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

const _FIDL_TRACE_BINDINGS_RUST: u32 = 6;

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct TopMarker;

impl fidl::endpoints::ProtocolMarker for TopMarker {
    type Proxy = TopProxy;
    type RequestStream = TopRequestStream;
    const DEBUG_NAME: &'static str = "(anonymous) Top";
}

pub trait TopProxyInterface: Send + Sync {
    type GetFooResponseFut: std::future::Future<Output = Result<(fidl_test_bottom::Foo), fidl::Error>>
        + Send;
    fn r#get_foo(&self) -> Self::GetFooResponseFut;
}

#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct TopSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl TopSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <TopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(&self, deadline: zx::Time) -> Result<TopEvent, fidl::Error> {
        TopEvent::decode(self.client.wait_for_event(deadline)?)
    }
    pub fn r#get_foo(&self, ___deadline: zx::Time) -> Result<(fidl_test_bottom::Foo), fidl::Error> {
        let _value: (fidl_test_bottom::Foo,) = self.client.send_query::<_, _, false, false>(
            &mut (),
            0x401a9ffa95a4c333,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_value.0)
    }
}

#[derive(Debug, Clone)]
pub struct TopProxy {
    client: fidl::client::Client,
}

impl fidl::endpoints::Proxy for TopProxy {
    type Protocol = TopMarker;

    fn from_channel(inner: fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl TopProxy {
    /// Create a new Proxy for Top
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <TopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the Top protocol
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> TopEventStream {
        TopEventStream { event_receiver: self.client.take_event_receiver() }
    }
    pub fn r#get_foo(&self) -> fidl::client::QueryResponseFut<(fidl_test_bottom::Foo)> {
        TopProxyInterface::r#get_foo(self)
    }
}

impl TopProxyInterface for TopProxy {
    type GetFooResponseFut = fidl::client::QueryResponseFut<(fidl_test_bottom::Foo)>;
    fn r#get_foo(&self) -> Self::GetFooResponseFut {
        fn transform(
            result: Result<(fidl_test_bottom::Foo,), fidl::Error>,
        ) -> Result<(fidl_test_bottom::Foo), fidl::Error> {
            result.map(|_value| _value.0)
        }
        let send_result = self.client.call_send_raw_query::<_, false>(
            &mut (),
            0x401a9ffa95a4c333,
            fidl::encoding::DynamicFlags::empty(),
        );
        QueryResponseFut(match send_result {
            Ok(res_fut) => future::maybe_done(
                res_fut.and_then(|buf| decode_transaction_body_fut::<_, _, false>(buf, transform)),
            ),
            Err(e) => MaybeDone::Done(Err(e)),
        })
    }
}

pub struct TopEventStream {
    event_receiver: fidl::client::EventReceiver,
}

impl std::marker::Unpin for TopEventStream {}

impl futures::stream::FusedStream for TopEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for TopEventStream {
    type Item = Result<TopEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let buf = match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => buf,
            None => return std::task::Poll::Ready(None),
        };

        std::task::Poll::Ready(Some(TopEvent::decode(buf)))
    }
}

#[derive(Debug)]
pub enum TopEvent {}

impl TopEvent {
    /// Decodes a message buffer as a [`TopEvent`]. Transaction
    /// ID in the message must be zero; this method does not check TXID.
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<TopEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

        match tx_header.ordinal() {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal(),
                protocol_name: <TopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for Top
pub struct TopRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

impl std::marker::Unpin for TopRequestStream {}

impl futures::stream::FusedStream for TopRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for TopRequestStream {
    type Protocol = TopMarker;
    type ControlHandle = TopControlHandle;

    fn from_channel(channel: fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        TopControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(self) -> (::std::sync::Arc<fidl::ServeInner>, bool) {
        (self.inner, self.is_terminated)
    }

    fn from_inner(inner: std::sync::Arc<fidl::ServeInner>, is_terminated: bool) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for TopRequestStream {
    type Item = Result<TopRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.poll_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled TopRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|bytes, handles| {
            match this.inner.channel().read_etc(cx, bytes, handles) {
                std::task::Poll::Ready(Ok(())) => {}
                std::task::Poll::Pending => return std::task::Poll::Pending,
                std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                    this.is_terminated = true;
                    return std::task::Poll::Ready(None);
                }
                std::task::Poll::Ready(Err(e)) => {
                    return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                }
            }

            // A message has been received from the channel
            let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
            if !header.is_compatible() {
                return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
                    header.magic_number(),
                ))));
            }

            std::task::Poll::Ready(Some(match header.ordinal() {
                0x401a9ffa95a4c333 => {
                    let mut req: () = fidl::encoding::Decodable::new_empty();
                    fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.foreigntypeinresponseusedthroughcompose/TopGetFooRequest");
                    fidl::trace_blob!("fidl:blob", "decode", bytes);
                    if header.dynamic_flags().contains(fidl::encoding::DynamicFlags::BYTE_OVERFLOW)
                    {
                        Err(fidl::Error::LargeMessageImpossible)?;
                    }
                    fidl::encoding::Decoder::decode_into(&header, _body_bytes, handles, &mut req)?;
                    fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
                    let control_handle = TopControlHandle { inner: this.inner.clone() };

                    Ok(TopRequest::GetFoo {
                        responder: TopGetFooResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal(),
                    protocol_name: <TopMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}
#[derive(Debug)]
pub enum TopRequest {
    GetFoo { responder: TopGetFooResponder },
}

impl TopRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_foo(self) -> Option<(TopGetFooResponder)> {
        if let TopRequest::GetFoo { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            TopRequest::GetFoo { .. } => "get_foo",
        }
    }
}

#[derive(Debug, Clone)]
pub struct TopControlHandle {
    inner: std::sync::Arc<fidl::ServeInner>,
}

impl fidl::endpoints::ControlHandle for TopControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }

    fn on_closed<'a>(&'a self) -> fidl::OnSignals<'a> {
        self.inner.channel().on_closed()
    }
}

impl TopControlHandle {}
#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct TopGetFooResponder {
    control_handle: std::mem::ManuallyDrop<TopControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

/// Set the the channel to be shutdown (see [`TopControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for TopGetFooResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for TopGetFooResponder {
    type ControlHandle = TopControlHandle;

    fn control_handle(&self) -> &TopControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl TopGetFooResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut foo: &mut fidl_test_bottom::Foo) -> Result<(), fidl::Error> {
        let r = self.send_raw(foo);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut foo: &mut fidl_test_bottom::Foo,
    ) -> Result<(), fidl::Error> {
        let r = self.send_raw(foo);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut foo: &mut fidl_test_bottom::Foo) -> Result<(), fidl::Error> {
        let mut response = (foo);

        let mut msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: &mut response,
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::duration_begin!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.foreigntypeinresponseusedthroughcompose/TopGetFooResponse");
            fidl::encoding::Encoder::encode(bytes, handles, &mut msg)?;
            fidl::trace_blob!("fidl:blob", "encode", bytes.as_slice());
            fidl::duration_end!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);

            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}