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// Copyright (c) The Diem Core Contributors
// SPDX-License-Identifier: Apache-2.0

use crate::stream_rpc::transport::websocket::get_websocket_routes;
use diem_config::config::StreamConfig;
use std::sync::Arc;
use storage_interface::MoveDbReader;
use warp::{filters::BoxedFilter, Filter, Reply};

/// Gets all routes for all streaming endpoints
/// Each transport is responsible for handling it's own versioning and endpoints
/// This function also handles disabling/enabling streaming- returning a 404 if not enabled
pub fn get_stream_routes(
    config: &StreamConfig,
    content_length_limit: u64,
    diem_db: Arc<dyn MoveDbReader>,
) -> BoxedFilter<(impl Reply,)> {
    let wss_routes = get_websocket_routes(config, content_length_limit, diem_db.clone(), None).0;

    // If streaming rpc isn't enabled, return a 404
    // We do this here because we can't build routes conditionally as if/else types won't match
    let is_enabled = config.enabled;
    warp::any()
        .and_then(move || {
            futures::future::ready(if is_enabled {
                Ok(())
            } else {
                Err(warp::reject::not_found())
            })
        })
        .untuple_one()
        .and(wss_routes)
        .boxed()
}