-module(aion@workflow@define).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/aion/workflow/define.gleam").
-export([define/5, name/1, input_codec/1, output_codec/1, error_codec/1, entry_fn/1]).
-export_type([workflow_definition/3]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(" workflow.define: typed entry contract (entry fn + input/output/error codecs)\n").

-opaque workflow_definition(GDY, GDZ, GEA) :: {workflow_definition,
        binary(),
        aion@codec:codec(GDY),
        aion@codec:codec(GDZ),
        aion@codec:codec(GEA),
        fun((GDY) -> {ok, GDZ} | {error, GEA})}.

-file("src/aion/workflow/define.gleam", 29).
?DOC(" Define a typed workflow entry contract consumed by AE at spawn.\n").
-spec define(
    binary(),
    aion@codec:codec(GEB),
    aion@codec:codec(GED),
    aion@codec:codec(GEF),
    fun((GEB) -> {ok, GED} | {error, GEF})
) -> workflow_definition(GEB, GED, GEF).
define(Name, Input_codec, Output_codec, Error_codec, Entry_fn) ->
    {workflow_definition,
        Name,
        Input_codec,
        Output_codec,
        Error_codec,
        Entry_fn}.

-file("src/aion/workflow/define.gleam", 46).
?DOC(" Return the workflow name carried by the definition.\n").
-spec name(workflow_definition(any(), any(), any())) -> binary().
name(Definition) ->
    erlang:element(2, Definition).

-file("src/aion/workflow/define.gleam", 51).
?DOC(" Return the input codec used by AE to decode the spawn Payload.\n").
-spec input_codec(workflow_definition(GES, any(), any())) -> aion@codec:codec(GES).
input_codec(Definition) ->
    erlang:element(3, Definition).

-file("src/aion/workflow/define.gleam", 58).
?DOC(" Return the output codec used by AE to encode successful completion Payloads.\n").
-spec output_codec(workflow_definition(any(), GFA, any())) -> aion@codec:codec(GFA).
output_codec(Definition) ->
    erlang:element(4, Definition).

-file("src/aion/workflow/define.gleam", 65).
?DOC(" Return the error codec used by AE to encode failed completion Payloads.\n").
-spec error_codec(workflow_definition(any(), any(), GFI)) -> aion@codec:codec(GFI).
error_codec(Definition) ->
    erlang:element(5, Definition).

-file("src/aion/workflow/define.gleam", 72).
?DOC(" Return the typed entry function carried for AE to invoke/drive.\n").
-spec entry_fn(workflow_definition(GFN, GFO, GFP)) -> fun((GFN) -> {ok, GFO} |
    {error, GFP}).
entry_fn(Definition) ->
    erlang:element(6, Definition).