(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2021 Nomadic Labs, <contact@nomadic-labs.com>               *)
(*                                                                           *)
(* Permission is hereby granted, free of charge, to any person obtaining a   *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
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(* Software is furnished to do so, subject to the following conditions:      *)
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(* DEALINGS IN THE SOFTWARE.                                                 *)
(*                                                                           *)
(*****************************************************************************)

let ns = Namespace.make Registration_helpers.ns "translator"

let fv s = Free_variable.of_namespace (ns s)

let gas_full t_kind code_or_data =
  let name =
    Format.asprintf
      "%a_%a_gas"
      Translator_workload.pp_kind
      t_kind
      Translator_workload.pp_code_or_data
      code_or_data
  in
  let intercept = fv (Format.asprintf "%s_const" name) in
  let coeff = fv (Format.asprintf "%s_coeff" name) in
  Model.affine ~name:(ns name) ~intercept ~coeff

let size_full t_kind code_or_data =
  let name =
    Format.asprintf
      "%a_%a_size"
      Translator_workload.pp_kind
      t_kind
      Translator_workload.pp_code_or_data
      code_or_data
  in
  let coeff1 = fv (Format.asprintf "%s_traversal" name) in
  let coeff2 = fv (Format.asprintf "%s_int_bytes" name) in
  let coeff3 = fv (Format.asprintf "%s_string_bytes" name) in
  Model.trilinear ~name:(ns name) ~coeff1 ~coeff2 ~coeff3

let gas_based_model t_kind code_or_data =
  Model.make
    ~conv:(function
      | Translator_workload.Typechecker_workload {consumed; _} -> (consumed, ()))
    (gas_full t_kind code_or_data)

let size_based_model t_kind code_or_data =
  Model.make
    ~conv:(function
      | Translator_workload.Typechecker_workload {micheline_size; _} -> (
          match micheline_size with
          | {traversal; int_bytes; string_bytes} ->
              (traversal, (int_bytes, (string_bytes, ())))))
    (size_full t_kind code_or_data)