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open Injector_sigs

exception Protocol_not_found

module Make (Parameters : PARAMETERS) = struct
  type proto_client =
    (module PROTOCOL_CLIENT
       with type state = Parameters.state
        and type operation = Parameters.Operation.t)

  let proto_clients : proto_client Protocol_hash.Table.t =
    Protocol_hash.Table.create 7

  let register protocol proto_client =
    Protocol_hash.Table.replace proto_clients protocol proto_client

  let proto_client_for_protocol protocol =
    WithExceptions.Option.to_exn ~none:Protocol_not_found
    @@ Protocol_hash.Table.find proto_clients protocol

  let registered_proto_clients () =
    Protocol_hash.Table.to_seq proto_clients |> List.of_seq

  let check_registered_proto_clients state =
    Protocol_hash.Table.iter_e
      (fun _proto_hash (proto_client : proto_client) ->
        let module Proto_client = (val proto_client) in
        Proto_client.checks state)
      proto_clients
end