-module(gilly@gilly).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gilly/gilly.gleam").
-export([new/0, with_optionality/2, with_indent/2, with_optional_query_params/2, generate_code/2, generate_code_from_file/2]).
-export_type([builder/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.

-opaque builder() :: {builder,
        gilly@internal@codegen:optionality(),
        integer(),
        boolean()}.

-file("src/gilly/gilly.gleam", 22).
?DOC(" Create a new Gilly Builder with default configuration.\n").
-spec new() -> builder().
new() ->
    {builder, required_only, 2, false}.

-file("src/gilly/gilly.gleam", 31).
?DOC(" Optionality determines how we decide which fields are optional in the generated code.\n").
-spec with_optionality(builder(), gilly@internal@codegen:optionality()) -> builder().
with_optionality(Builder, Optionality) ->
    {builder,
        Optionality,
        erlang:element(3, Builder),
        erlang:element(4, Builder)}.

-file("src/gilly/gilly.gleam", 36).
?DOC(" Indent configures the number of spaces used for indentation in the generated code.\n").
-spec with_indent(builder(), integer()) -> builder().
with_indent(Builder, Indent) ->
    {builder, erlang:element(2, Builder), Indent, erlang:element(4, Builder)}.

-file("src/gilly/gilly.gleam", 42).
?DOC(
    " When setting `optional_query_params` to `True`, all query parameters in the generated client will be optional, regardless of whether they are marked as required in the OpenAPI spec or not. \n"
    " This is useful for non-conforming OpenAPI specs or to allow more flexibility for SDK end-users.\n"
).
-spec with_optional_query_params(builder(), boolean()) -> builder().
with_optional_query_params(Builder, Optional_query_params) ->
    {builder,
        erlang:element(2, Builder),
        erlang:element(3, Builder),
        Optional_query_params}.

-file("src/gilly/gilly.gleam", 49).
-spec to_codegen_config(builder()) -> gilly@internal@codegen:config().
to_codegen_config(Builder) ->
    {config,
        erlang:element(2, Builder),
        erlang:element(3, Builder),
        erlang:element(4, Builder)}.

-file("src/gilly/gilly.gleam", 77).
?DOC(
    " Generate Gleam code from an OpenAPI specification record.\n"
    " See's gilly/openapi/openapi.gleam for more info on building OpenAPI records.\n"
).
-spec generate_code(builder(), gilly@openapi@openapi:open_a_p_i()) -> binary().
generate_code(Builder, Spec) ->
    gilly@internal@codegen:generate(Spec, to_codegen_config(Builder)).

-file("src/gilly/gilly.gleam", 90).
-spec is_supported_file_type(binary()) -> boolean().
is_supported_file_type(Source) ->
    Extension = begin
        _pipe = gleam@string:split(Source, <<"."/utf8>>),
        _pipe@1 = gleam@list:last(_pipe),
        gleam@result:unwrap(_pipe@1, <<""/utf8>>)
    end,
    gleam@list:contains([<<"json"/utf8>>], Extension).

-file("src/gilly/gilly.gleam", 81).
-spec read_file(binary()) -> {ok, binary()} |
    {error, gilly@internal@error:error()}.
read_file(Source) ->
    gleam@bool:guard(
        not is_supported_file_type(Source),
        {error, {unsupported_file_type, Source, [<<"json"/utf8>>]}},
        fun() -> _pipe = simplifile:read(Source),
            gleam@result:map_error(
                _pipe,
                fun(_capture) -> {reading_file, Source, _capture} end
            ) end
    ).

-file("src/gilly/gilly.gleam", 103).
?DOC(" Generate a header comment for the generated code file.\n").
-spec generate_header(binary(), binary()) -> binary().
generate_header(Version, Source) ->
    _pipe = <<"// Code generated by Gilly (<version>) from OpenAPI specification at '<source_path>'. DO NOT EDIT.
// To regenerate, run: gilly <path_to_openapi_spec.json>
"/utf8>>,
    _pipe@1 = gleam@string:replace(_pipe, <<"<version>"/utf8>>, Version),
    gleam@string:replace(_pipe@1, <<"<source_path>"/utf8>>, Source).

-file("src/gilly/gilly.gleam", 61).
?DOC(
    " Generate Gleam code from an OpenAPI specification file.\n"
    " \n"
    " Source should be a path to a JSON file containing the OpenAPI spec.\n"
    " Returns the generated code as a string, or an error if something goes wrong.\n"
).
-spec generate_code_from_file(builder(), binary()) -> {ok, binary()} |
    {error, gilly@internal@error:error()}.
generate_code_from_file(Builder, Source) ->
    gleam@result:'try'(
        read_file(Source),
        fun(Content) ->
            gleam@result:'try'(
                begin
                    _pipe = gilly@openapi@openapi:from_json_string(Content),
                    gleam@result:map_error(
                        _pipe,
                        fun(_capture) ->
                            {parsing_open_a_p_i, Source, _capture}
                        end
                    )
                end,
                fun(Spec) ->
                    Code = generate_code(Builder, Spec),
                    Header = generate_header(<<"0.2.0"/utf8>>, Source),
                    {ok, <<<<Header/binary, "\n\n"/utf8>>/binary, Code/binary>>}
                end
            )
        end
    ).