(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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(* copy of this software and associated documentation files (the "Software"),*)
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(* DEALINGS IN THE SOFTWARE.                                                 *)
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open Error_monad
include Resto_directory.Make (RPC_encoding)

let gen_register dir service handler =
  register dir service (fun p q i ->
      Lwt.catch
        (fun () -> handler p q i)
        (function
          | Not_found -> RPC_answer.not_found | exn -> RPC_answer.fail [Exn exn]))

let gen_register =
  (gen_register
    : _ -> _ -> (_ -> _ -> _ -> _ RPC_answer.t Lwt.t) -> _
    :> _ -> _ -> (_ -> _ -> _ -> [< _ RPC_answer.t] Lwt.t) -> _)

let register dir service handler =
  gen_register dir service (fun p q i ->
      let open Lwt_syntax in
      let* r = handler p q i in
      match r with Ok o -> RPC_answer.return o | Error e -> RPC_answer.fail e)

let register_chunked dir service handler =
  gen_register dir service (fun p q i ->
      let open Lwt_syntax in
      let* r = handler p q i in
      match r with
      | Ok o -> RPC_answer.return_chunked o
      | Error e -> RPC_answer.fail e)

let opt_register dir service handler =
  gen_register dir service (fun p q i ->
      let open Lwt_syntax in
      let* ro = handler p q i in
      match ro with
      | Ok (Some o) -> RPC_answer.return o
      | Ok None -> RPC_answer.not_found
      | Error e -> RPC_answer.fail e)

let lwt_register dir service handler =
  gen_register dir service (fun p q i ->
      let open Lwt_syntax in
      let* o = handler p q i in
      RPC_answer.return o)

open Curry

let register0 root s f = register root s (curry Z f)

let register0_chunked root s f = register_chunked root s (curry Z f)

let register1 root s f = register root s (curry (S Z) f)

let register2 root s f = register root s (curry (S (S Z)) f)

let register3 root s f = register root s (curry (S (S (S Z))) f)

let register4 root s f = register root s (curry (S (S (S (S Z)))) f)

let register5 root s f = register root s (curry (S (S (S (S (S Z))))) f)

let opt_register0 root s f = opt_register root s (curry Z f)

let opt_register1 root s f = opt_register root s (curry (S Z) f)

let opt_register2 root s f = opt_register root s (curry (S (S Z)) f)

let opt_register3 root s f = opt_register root s (curry (S (S (S Z))) f)

let opt_register4 root s f = opt_register root s (curry (S (S (S (S Z)))) f)

let opt_register5 root s f = opt_register root s (curry (S (S (S (S (S Z))))) f)

let gen_register0 root s f = gen_register root s (curry Z f)

let gen_register1 root s f = gen_register root s (curry (S Z) f)

let gen_register2 root s f = gen_register root s (curry (S (S Z)) f)

let gen_register3 root s f = gen_register root s (curry (S (S (S Z))) f)

let gen_register4 root s f = gen_register root s (curry (S (S (S (S Z)))) f)

let gen_register5 root s f = gen_register root s (curry (S (S (S (S (S Z))))) f)

let lwt_register0 root s f = lwt_register root s (curry Z f)

let lwt_register1 root s f = lwt_register root s (curry (S Z) f)

let lwt_register2 root s f = lwt_register root s (curry (S (S Z)) f)

let lwt_register3 root s f = lwt_register root s (curry (S (S (S Z))) f)

let lwt_register4 root s f = lwt_register root s (curry (S (S (S (S Z)))) f)

let lwt_register5 root s f = lwt_register root s (curry (S (S (S (S (S Z))))) f)