(**************************************************************************)
(*                                                                        *)
(*    Copyright (c) 2014 - 2018.                                          *)
(*    Dynamic Ledger Solutions, Inc. <contact@tezos.com>                  *)
(*                                                                        *)
(*    All rights reserved. No warranty, explicit or implicit, provided.   *)
(*                                                                        *)
(**************************************************************************)

open Data_encoding


module S = struct

  let protocols_arg = Protocol_hash.rpc_arg

  let contents =
    RPC_service.post_service
      ~query: RPC_query.empty
      ~input: empty
      ~output:
        (obj1 (req "data"
                 (describe ~title: "Tezos protocol"
                    (Protocol.encoding))))
      RPC_path.(root / "protocols" /: protocols_arg)

  type list_param = {
    contents: bool option ;
    monitor: bool option ;
  }

  let list_param_encoding =
    conv
      (fun {contents; monitor} -> (contents, monitor))
      (fun (contents, monitor) -> {contents; monitor})
      (obj2
         (opt "contents" bool)
         (opt "monitor" bool))

  let list =
    RPC_service.post_service
      ~query: RPC_query.empty
      ~input: list_param_encoding
      ~output:
        (obj1
           (req "protocols"
              (list
                 (obj2
                    (req "hash" Protocol_hash.encoding)
                    (opt "contents"
                       (dynamic_size Protocol.encoding)))
              )))
      RPC_path.(root / "protocols")

end

open RPC_context
let contents ctxt h =
  make_call1 S.contents ctxt h () ()
let monitor ?(contents = false) ctxt =
  make_streamed_call S.list ctxt () ()
    { contents = Some contents ; monitor = Some true }
let list ?(contents = false) ctxt =
  make_call S.list ctxt () ()
    { contents = Some contents ; monitor = Some false }