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

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use {
    bitflags::bitflags,
    fidl::{
        client::QueryResponseFut,
        endpoints::{ControlHandle as _, Responder as _},
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

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

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

impl fidl::endpoints::ProtocolMarker for HandshakeMarker {
    type Proxy = HandshakeProxy;
    type RequestStream = HandshakeRequestStream;

    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = HandshakeSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Handshake";
}

pub trait HandshakeProxyInterface: Send + Sync {
    type DoResponseFut: std::future::Future<Output = Result<(), fidl::Error>> + Send;
    fn r#do(&self) -> Self::DoResponseFut;
}

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

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for HandshakeSynchronousProxy {
    type Proxy = HandshakeProxy;
    type Protocol = HandshakeMarker;

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

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

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

#[cfg(target_os = "fuchsia")]
impl HandshakeSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <HandshakeMarker 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<HandshakeEvent, fidl::Error> {
        HandshakeEvent::decode(self.client.wait_for_event(deadline)?)
    }

    pub fn r#do(&self, ___deadline: zx::Time) -> Result<(), fidl::Error> {
        let _response =
            self.client.send_query::<fidl::encoding::EmptyPayload, fidl::encoding::EmptyPayload>(
                (),
                0x17a1af007ed86afe,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response)
    }
}

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

impl fidl::endpoints::Proxy for HandshakeProxy {
    type Protocol = HandshakeMarker;

    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 HandshakeProxy {
    /// Create a new Proxy for fuchsia.inspect.test/Handshake.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <HandshakeMarker 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 protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> HandshakeEventStream {
        HandshakeEventStream { event_receiver: self.client.take_event_receiver() }
    }

    pub fn r#do(&self) -> fidl::client::QueryResponseFut<()> {
        HandshakeProxyInterface::r#do(self)
    }
}

impl HandshakeProxyInterface for HandshakeProxy {
    type DoResponseFut = fidl::client::QueryResponseFut<()>;
    fn r#do(&self) -> Self::DoResponseFut {
        fn _decode(mut _buf: Result<fidl::MessageBufEtc, fidl::Error>) -> Result<(), fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::EmptyPayload,
                0x17a1af007ed86afe,
            >(_buf?)?;
            Ok(_response)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, ()>(
            (),
            0x17a1af007ed86afe,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

impl HandshakeEvent {
    /// Decodes a message buffer as a [`HandshakeEvent`].
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<HandshakeEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <HandshakeMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.inspect.test/Handshake.
pub struct HandshakeRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for HandshakeRequestStream {
    type Protocol = HandshakeMarker;
    type ControlHandle = HandshakeControlHandle;

    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 {
        HandshakeControlHandle { 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 HandshakeRequestStream {
    type Item = Result<HandshakeRequest, 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.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled HandshakeRequestStream 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)?;

            std::task::Poll::Ready(Some(match header.ordinal {
                0x17a1af007ed86afe => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload);
                    fidl::encoding::Decoder::decode_into::<fidl::encoding::EmptyPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = HandshakeControlHandle { inner: this.inner.clone() };
                    Ok(HandshakeRequest::Do {
                        responder: HandshakeDoResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <HandshakeMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

#[derive(Debug)]
pub enum HandshakeRequest {
    Do { responder: HandshakeDoResponder },
}

impl HandshakeRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_do(self) -> Option<(HandshakeDoResponder)> {
        if let HandshakeRequest::Do { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

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

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

impl fidl::endpoints::ControlHandle for HandshakeControlHandle {
    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(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }
}

impl HandshakeControlHandle {}

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

/// Set the the channel to be shutdown (see [`HandshakeControlHandle::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 HandshakeDoResponder {
    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 HandshakeDoResponder {
    type ControlHandle = HandshakeControlHandle;

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

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

    fn send_raw(&self) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::EmptyPayload>(
            (),
            self.tx_id,
            0x17a1af007ed86afe,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;
}