-module(checkmark).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([new/0, snippets_in/2, filtering/2, using/2, check_in_current_package/2, check_in_tmp_package/2]).
-export_type([operation/0, check_error/0, check_config/0]).

-type operation() :: check | build | run.

-type check_error() :: {run_failed, binary()} | {check_failed, binary()}.

-opaque check_config() :: {check_config,
        binary(),
        fun((binary()) -> boolean()),
        operation()}.

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 46).
-spec new() -> check_config().
new() ->
    {check_config, <<"README.md"/utf8>>, fun(_) -> true end, check}.

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 51).
-spec snippets_in(check_config(), binary()) -> check_config().
snippets_in(Config, Filename) ->
    erlang:setelement(2, Config, Filename).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 56).
-spec filtering(check_config(), fun((binary()) -> boolean())) -> check_config().
filtering(Config, Filter) ->
    erlang:setelement(3, Config, Filter).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 61).
-spec using(check_config(), operation()) -> check_config().
using(Config, Operation) ->
    erlang:setelement(4, Config, Operation).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 134).
-spec extract_gleam_code(binary(), fun((binary()) -> boolean())) -> list(binary()).
extract_gleam_code(Markdown, Filter) ->
    Tokens = kirala@markdown@parser:parse_all(Markdown),
    gleam@list:filter_map(Tokens, fun(Token) -> case Token of
                {code_block, <<"gleam"/utf8>>, _, Code} ->
                    case Filter(Code) of
                        true ->
                            {ok, Code};

                        _ ->
                            {error, nil}
                    end;

                _ ->
                    {error, nil}
            end end).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 122).
-spec check_snippets_in(
    binary(),
    fun((binary()) -> boolean()),
    fun((binary()) -> {ok, nil} | {error, check_error()})
) -> {ok, list({ok, nil} | {error, check_error()})} | {error, binary()}.
check_snippets_in(Filename, Filter, Check) ->
    gleam@result:'try'(
        begin
            _pipe = simplifile:read(Filename),
            gleam@result:map_error(_pipe, fun gleam@string:inspect/1)
        end,
        fun(Content) ->
            {ok,
                begin
                    _pipe@1 = extract_gleam_code(Content, Filter),
                    gleam@list:map(_pipe@1, Check)
                end}
        end
    ).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 180).
-spec with_tempdir(
    fun((binary()) -> {ok, list({ok, nil} | {error, check_error()})} |
        {error, binary()})
) -> {ok, list({ok, nil} | {error, check_error()})} | {error, binary()}.
with_tempdir(Operation) ->
    _pipe = (temporary:create(
        temporary:directory(),
        fun(Temp_dir) -> Operation(Temp_dir) end
    )),
    _pipe@1 = gleam@result:map_error(_pipe, fun gleam@string:inspect/1),
    gleam@result:flatten(_pipe@1).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 201).
-spec create_file(binary(), boolean()) -> {ok, nil} | {error, check_error()}.
create_file(Path, Allow_overwrite) ->
    case {Allow_overwrite, simplifile:create_file(Path)} of
        {true, {error, eexist}} ->
            {ok, nil};

        {_, {ok, _}} ->
            {ok, nil};

        {_, E} ->
            {error, {run_failed, gleam@string:inspect(E)}}
    end.

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 191).
-spec with_tempfile(
    binary(),
    boolean(),
    fun((binary()) -> {ok, nil} | {error, check_error()})
) -> {ok, nil} | {error, check_error()}.
with_tempfile(Path, Allow_overwrite, Operation) ->
    gleam@result:'try'(
        create_file(Path, Allow_overwrite),
        fun(_) ->
            exception_ffi:defer(
                fun() -> simplifile_erl:delete(Path) end,
                fun() -> Operation(Path) end
            )
        end
    ).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 209).
-spec run_gleam(binary(), list(binary()), fun((binary()) -> HJA)) -> {ok, nil} |
    {error, HJA}.
run_gleam(Directory, Args, Make_error) ->
    case shellout:command(<<"gleam"/utf8>>, Args, Directory, []) of
        {ok, _} ->
            {ok, nil};

        {error, {_, E}} ->
            {error, Make_error(E)}
    end.

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 220).
-spec to_args(operation(), binary()) -> list(binary()).
to_args(Op, Module) ->
    case Op of
        build ->
            [<<"build"/utf8>>];

        check ->
            [<<"check"/utf8>>];

        run ->
            [<<"run"/utf8>>, <<"--module"/utf8>>, Module]
    end.

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 153).
-spec check_in_dir(binary(), binary(), binary(), boolean(), operation()) -> {ok,
        nil} |
    {error, check_error()}.
check_in_dir(Code, Package_dir, Filename, Allow_overwrite, Operation) ->
    Source_dir = filepath:join(Package_dir, <<"src"/utf8>>),
    Source_file = filepath:join(Source_dir, Filename),
    with_tempfile(
        Source_file,
        Allow_overwrite,
        fun(File) ->
            gleam@result:'try'(
                begin
                    _pipe = simplifile:write(File, Code),
                    gleam@result:map_error(
                        _pipe,
                        fun(E) -> {run_failed, gleam@string:inspect(E)} end
                    )
                end,
                fun(_) -> case gleam@string:split(Filename, <<"."/utf8>>) of
                        [] ->
                            {error,
                                {check_failed,
                                    <<"Invalid source file name: "/utf8,
                                        Filename/binary>>}};

                        [Module | _] ->
                            run_gleam(
                                Package_dir,
                                to_args(Operation, Module),
                                fun(Field@0) -> {check_failed, Field@0} end
                            )
                    end end
            )
        end
    ).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 69).
-spec check_in_current_package(check_config(), binary()) -> {ok,
        list({ok, nil} | {error, check_error()})} |
    {error, binary()}.
check_in_current_package(Config, Filename) ->
    check_snippets_in(
        erlang:element(2, Config),
        erlang:element(3, Config),
        fun(Snippet) ->
            check_in_dir(
                Snippet,
                <<"."/utf8>>,
                Filename,
                false,
                erlang:element(4, Config)
            )
        end
    ).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 98).
-spec set_up_package(binary(), list(binary())) -> {ok, binary()} |
    {error, binary()}.
set_up_package(Tmp_dir, Dependencies) ->
    gleam@result:'try'(
        run_gleam(
            Tmp_dir,
            [<<"new"/utf8>>, <<"checkmark_tmp"/utf8>>],
            fun gleam@function:identity/1
        ),
        fun(_) ->
            Package_dir = filepath:join(Tmp_dir, <<"checkmark_tmp"/utf8>>),
            gleam@result:'try'(case Dependencies of
                    [] ->
                        {ok, nil};

                    _ ->
                        run_gleam(
                            Package_dir,
                            [<<"add"/utf8>> | Dependencies],
                            fun gleam@function:identity/1
                        )
                end, fun(_) -> {ok, Package_dir} end)
        end
    ).

-file("/home/sbergen/source/checkmark/src/checkmark.gleam", 81).
-spec check_in_tmp_package(check_config(), list(binary())) -> {ok,
        list({ok, nil} | {error, check_error()})} |
    {error, binary()}.
check_in_tmp_package(Config, Dependencies) ->
    with_tempdir(
        fun(Temp_dir) ->
            gleam@result:'try'(
                set_up_package(Temp_dir, Dependencies),
                fun(Package_dir) ->
                    check_snippets_in(
                        erlang:element(2, Config),
                        erlang:element(3, Config),
                        fun(Snippet) ->
                            check_in_dir(
                                Snippet,
                                Package_dir,
                                <<"checkmark_tmp"/utf8, ".gleam"/utf8>>,
                                true,
                                erlang:element(4, Config)
                            )
                        end
                    )
                end
            )
        end
    ).