-module(atproto_openapi).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/atproto_openapi.gleam").
-export([generate/2, main/0]).
-export_type([options/0, generated/0, error/0]).

-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(
    " Public API: turn a set of parsed `atproto_lexicon/ast.LexiconDoc`\n"
    " values into a single OpenAPI 3.1.0 document. See\n"
    " `docs/lexicon-openapi.md` for the mapping this implements and\n"
    " `atproto_openapi/emit` for the assembly logic this delegates to.\n"
    " `main` runs the CLI (`atproto_openapi/cli`), which walks a directory of\n"
    " lexicon JSON files and writes the generated document to disk.\n"
).

-type options() :: {options, binary(), binary(), list(binary())}.

-type generated() :: {generated, binary(), integer(), integer(), list(binary())}.

-type error() :: {ref_error, atproto_openapi@refs:ref_error()}.

-file("src/atproto_openapi.gleam", 38).
?DOC(
    " Assemble `docs` into one OpenAPI 3.1.0 document. Fails only when a ref\n"
    " is malformed or two distinct lexicon refs derive the same\n"
    " `components/schemas` key; see `atproto_openapi/refs`. Every other input\n"
    " shape has a defined mapping per the design doc.\n"
).
-spec generate(list(atproto_lexicon@ast:lexicon_doc()), options()) -> {ok,
        generated()} |
    {error, error()}.
generate(Docs, Options) ->
    _pipe = atproto_openapi@emit:assemble(
        Docs,
        erlang:element(2, Options),
        erlang:element(3, Options),
        erlang:element(4, Options)
    ),
    _pipe@1 = gleam@result:map(
        _pipe,
        fun(Document) ->
            {generated,
                gleam@json:to_string(erlang:element(2, Document)),
                erlang:element(3, Document),
                erlang:element(4, Document),
                erlang:element(5, Document)}
        end
    ),
    gleam@result:map_error(_pipe@1, fun(Field@0) -> {ref_error, Field@0} end).

-file("src/atproto_openapi.gleam", 56).
?DOC(
    " `gleam run -m atproto_openapi -- <lexicons-dir> <out-file> [--title T]\n"
    " [--version V] [--server URL]`. See `atproto_openapi/cli`.\n"
).
-spec main() -> nil.
main() ->
    atproto_openapi@cli:main().