-module(tale@generators).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/tale/generators.gleam").
-export([new_post_gen/1, new_site_gen/1, new_theme_gen/1]).

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

-file("src/tale/generators.gleam", 130).
-spec copy_directory(binary(), binary()) -> {ok, nil} | {error, binary()}.
copy_directory(Src, Dest) ->
    _pipe = simplifile:copy_directory(Src, Dest),
    gleam@result:map_error(
        _pipe,
        fun(Err) ->
            <<<<<<<<<<"Unable to copy directory "/utf8, Src/binary>>/binary,
                            " -> "/utf8>>/binary,
                        Dest/binary>>/binary,
                    ": "/utf8>>/binary,
                (simplifile:describe_error(Err))/binary>>
        end
    ).

-file("src/tale/generators.gleam", 142).
-spec path_exists(binary()) -> {ok, boolean()} | {error, binary()}.
path_exists(Path) ->
    case simplifile_erl:file_info(Path) of
        {ok, _} ->
            {ok, true};

        {error, enoent} ->
            {ok, false};

        {error, Err} ->
            {error,
                <<<<<<"Unable to inspect "/utf8, Path/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Err))/binary>>}
    end.

-file("src/tale/generators.gleam", 213).
-spec matches_key(binary(), binary()) -> boolean().
matches_key(Line, Key) ->
    gleam_stdlib:string_starts_with(Line, <<Key/binary, " "/utf8>>) orelse gleam_stdlib:string_starts_with(
        Line,
        <<Key/binary, "="/utf8>>
    ).

-file("src/tale/generators.gleam", 185).
-spec replace_property(binary(), binary(), binary()) -> binary().
replace_property(Contents, Key, Line) ->
    {Replaced, Reversed} = begin
        _pipe = gleam@string:split(Contents, <<"\n"/utf8>>),
        gleam@list:fold(
            _pipe,
            {false, []},
            fun(State, Current) ->
                {Done, Acc} = State,
                case Done of
                    true ->
                        {true, [Current | Acc]};

                    false ->
                        Trimmed = gleam@string:trim(Current),
                        case matches_key(Trimmed, Key) of
                            true ->
                                {true, [Line | Acc]};

                            false ->
                                {false, [Current | Acc]}
                        end
                end
            end
        )
    end,
    Rebuilt = begin
        _pipe@1 = Reversed,
        _pipe@2 = lists:reverse(_pipe@1),
        gleam@string:join(_pipe@2, <<"\n"/utf8>>)
    end,
    case Replaced of
        true ->
            Rebuilt;

        false ->
            <<<<Line/binary, "\n"/utf8>>/binary, Rebuilt/binary>>
    end.

-file("src/tale/generators.gleam", 217).
-spec quoted(binary()) -> binary().
quoted(Value) ->
    Escaped = gleam@string:replace(Value, <<"\""/utf8>>, <<"\\\""/utf8>>),
    <<<<"\""/utf8, Escaped/binary>>/binary, "\""/utf8>>.

-file("src/tale/generators.gleam", 153).
-spec update_config_title(binary(), binary()) -> {ok, nil} | {error, binary()}.
update_config_title(Path, Title) ->
    gleam@result:'try'(
        begin
            _pipe = simplifile:read(Path),
            gleam@result:map_error(
                _pipe,
                fun(Err) ->
                    <<<<<<"Unable to read "/utf8, Path/binary>>/binary,
                            ": "/utf8>>/binary,
                        (simplifile:describe_error(Err))/binary>>
                end
            )
        end,
        fun(Contents) ->
            Updated = replace_property(
                Contents,
                <<"title"/utf8>>,
                <<"title = "/utf8, (quoted(Title))/binary>>
            ),
            _pipe@1 = simplifile:write(Path, Updated),
            gleam@result:map_error(
                _pipe@1,
                fun(Err@1) ->
                    <<<<<<"Unable to write "/utf8, Path/binary>>/binary,
                            ": "/utf8>>/binary,
                        (simplifile:describe_error(Err@1))/binary>>
                end
            )
        end
    ).

-file("src/tale/generators.gleam", 169).
-spec update_theme_name(binary(), binary()) -> {ok, nil} | {error, binary()}.
update_theme_name(Path, Name) ->
    gleam@result:'try'(
        begin
            _pipe = simplifile:read(Path),
            gleam@result:map_error(
                _pipe,
                fun(Err) ->
                    <<<<<<"Unable to read "/utf8, Path/binary>>/binary,
                            ": "/utf8>>/binary,
                        (simplifile:describe_error(Err))/binary>>
                end
            )
        end,
        fun(Contents) ->
            Updated = replace_property(
                Contents,
                <<"name"/utf8>>,
                <<"name = "/utf8, (quoted(Name))/binary>>
            ),
            _pipe@1 = simplifile:write(Path, Updated),
            gleam@result:map_error(
                _pipe@1,
                fun(Err@1) ->
                    <<<<<<"Unable to write "/utf8, Path/binary>>/binary,
                            ": "/utf8>>/binary,
                        (simplifile:describe_error(Err@1))/binary>>
                end
            )
        end
    ).

-file("src/tale/generators.gleam", 262).
-spec capitalize_word(binary()) -> binary().
capitalize_word(Word) ->
    case string:length(Word) of
        0 ->
            <<""/utf8>>;

        _ ->
            <<(string:uppercase(gleam@string:slice(Word, 0, 1)))/binary,
                (string:lowercase(gleam@string:drop_start(Word, 1)))/binary>>
    end.

-file("src/tale/generators.gleam", 244).
-spec prettify_title(binary()) -> binary().
prettify_title(Input) ->
    Cleaned = begin
        _pipe = Input,
        _pipe@1 = gleam@string:replace(_pipe, <<"-"/utf8>>, <<" "/utf8>>),
        _pipe@2 = gleam@string:replace(_pipe@1, <<"_"/utf8>>, <<" "/utf8>>),
        gleam@string:trim(_pipe@2)
    end,
    case string:length(Cleaned) of
        0 ->
            <<"New Post"/utf8>>;

        _ ->
            _pipe@3 = Cleaned,
            _pipe@4 = gleam@string:split(_pipe@3, <<" "/utf8>>),
            _pipe@5 = gleam@list:filter(
                _pipe@4,
                fun(Word) -> Word /= <<""/utf8>> end
            ),
            _pipe@6 = gleam@list:map(_pipe@5, fun capitalize_word/1),
            gleam@string:join(_pipe@6, <<" "/utf8>>)
    end.

-file("src/tale/generators.gleam", 271).
-spec post_slug(binary()) -> binary().
post_slug(Input) ->
    case tale@util:slugify(Input) of
        <<""/utf8>> ->
            <<"post"/utf8>>;

        Slug ->
            Slug
    end.

-file("src/tale/generators.gleam", 323).
?DOC(" Drop last path segments helper.\n").
-spec drop_last_path_segments(list(binary())) -> list(binary()).
drop_last_path_segments(List_) ->
    case List_ of
        [] ->
            [];

        [_] ->
            [];

        [First | Rest] ->
            [First | drop_last_path_segments(Rest)]
    end.

-file("src/tale/generators.gleam", 285).
?DOC(" Post destination info function.\n").
-spec post_destination_info(binary()) -> {binary(), binary()}.
post_destination_info(Input) ->
    Normalised = begin
        _pipe = Input,
        _pipe@1 = gleam@string:trim(_pipe),
        gleam@string:replace(_pipe@1, <<"\\"/utf8>>, <<"/"/utf8>>)
    end,
    Segments = begin
        _pipe@2 = Normalised,
        _pipe@3 = gleam@string:split(_pipe@2, <<"/"/utf8>>),
        gleam@list:filter(_pipe@3, fun(Segment) -> Segment /= <<""/utf8>> end)
    end,
    Filename_input = begin
        _pipe@4 = Segments,
        _pipe@5 = lists:reverse(_pipe@4),
        _pipe@6 = gleam@list:first(_pipe@5),
        gleam@result:unwrap(_pipe@6, <<"post"/utf8>>)
    end,
    Directories = drop_last_path_segments(Segments),
    Filename = case gleam_stdlib:string_ends_with(
        Filename_input,
        <<".md"/utf8>>
    ) of
        true ->
            Filename_input;

        false ->
            <<(post_slug(Filename_input))/binary, ".md"/utf8>>
    end,
    Title_source = case gleam_stdlib:string_ends_with(
        Filename_input,
        <<".md"/utf8>>
    ) of
        true ->
            gleam@string:drop_end(Filename_input, 3);

        false ->
            Filename_input
    end,
    Dest = case Directories of
        [] ->
            Filename;

        _ ->
            <<<<(gleam@string:join(Directories, <<"/"/utf8>>))/binary,
                    "/"/utf8>>/binary,
                Filename/binary>>
    end,
    {Dest, Title_source}.

-file("src/tale/generators.gleam", 342).
?DOC(" Pad helper function.\n").
-spec pad(integer()) -> binary().
pad(Value) ->
    S = erlang:integer_to_binary(Value),
    case string:length(S) of
        1 ->
            <<"0"/utf8, S/binary>>;

        _ ->
            S
    end.

-file("src/tale/generators.gleam", 332).
?DOC(" Format timestamp function.\n").
-spec format_timestamp(gleam@time@timestamp:timestamp()) -> binary().
format_timestamp(Ts) ->
    {Date, _} = gleam@time@timestamp:to_calendar(Ts, {duration, 0, 0}),
    <<<<<<<<(erlang:integer_to_binary(erlang:element(2, Date)))/binary,
                    "-"/utf8>>/binary,
                (pad(gleam@time@calendar:month_to_int(erlang:element(3, Date))))/binary>>/binary,
            "-"/utf8>>/binary,
        (pad(erlang:element(4, Date)))/binary>>.

-file("src/tale/generators.gleam", 279).
?DOC(" Current timestamp function.\n").
-spec current_timestamp() -> binary().
current_timestamp() ->
    _pipe = gleam@time@timestamp:system_time(),
    format_timestamp(_pipe).

-file("src/tale/generators.gleam", 223).
?DOC(" Load post template function.\n").
-spec load_post_template() -> {ok, binary()} | {error, binary()}.
load_post_template() ->
    case simplifile:read(<<"archetypes/default.md"/utf8>>) of
        {ok, Contents} ->
            {ok, Contents};

        {error, enoent} ->
            Fallback = <<(<<"templates"/utf8, "/site"/utf8>>)/binary,
                "/archetypes/default.md"/utf8>>,
            _pipe = simplifile:read(Fallback),
            gleam@result:map_error(
                _pipe,
                fun(Err) ->
                    <<<<<<"Unable to read archetype at "/utf8, Fallback/binary>>/binary,
                            ": "/utf8>>/binary,
                        (simplifile:describe_error(Err))/binary>>
                end
            );

        {error, Err@1} ->
            {error,
                <<"Unable to read archetype at archetypes/default.md: "/utf8,
                    (simplifile:describe_error(Err@1))/binary>>}
    end.

-file("src/tale/generators.gleam", 111).
?DOC(" Scaffold post function.\n").
-spec scaffold_post(binary(), binary()) -> {ok, binary()} | {error, binary()}.
scaffold_post(Title_source, Dest) ->
    gleam@result:'try'(
        load_post_template(),
        fun(Template) ->
            Title = prettify_title(Title_source),
            Timestamp = current_timestamp(),
            Updated = begin
                _pipe = Template,
                _pipe@1 = replace_property(
                    _pipe,
                    <<"title"/utf8>>,
                    <<"title = "/utf8, (quoted(Title))/binary>>
                ),
                replace_property(
                    _pipe@1,
                    <<"date"/utf8>>,
                    <<"date = "/utf8, (quoted(Timestamp))/binary>>
                )
            end,
            gleam@result:'try'(
                tale@paths:ensure_parent_dirs(Dest),
                fun(_) -> _pipe@2 = simplifile:write(Dest, Updated),
                    _pipe@3 = gleam@result:map_error(
                        _pipe@2,
                        fun(Err) ->
                            <<<<<<"Unable to write post at "/utf8, Dest/binary>>/binary,
                                    ": "/utf8>>/binary,
                                (simplifile:describe_error(Err))/binary>>
                        end
                    ),
                    gleam@result:map(
                        _pipe@3,
                        fun(_) ->
                            <<<<"Post created at "/utf8, Dest/binary>>/binary,
                                "."/utf8>>
                        end
                    ) end
            )
        end
    ).

-file("src/tale/generators.gleam", 100).
?DOC(" Create post\n").
-spec create_post(binary()) -> {ok, binary()} | {error, binary()}.
create_post(Name) ->
    {Dest, Title_source} = post_destination_info(Name),
    gleam@result:'try'(path_exists(Dest), fun(Exists) -> case Exists of
                true ->
                    {error, <<"Post already exists: "/utf8, Dest/binary>>};

                false ->
                    scaffold_post(Title_source, Dest)
            end end).

-file("src/tale/generators.gleam", 91).
?DOC(" Creates a new post under `content/posts/` using the archetype template and current timestamp.\n").
-spec new_post_gen(binary()) -> {ok, binary()} | {error, binary()}.
new_post_gen(Raw_input) ->
    Input = gleam@string:trim(Raw_input),
    case Input of
        <<""/utf8>> ->
            {error,
                <<"Please provide a post name, e.g. `tale new post my-article`."/utf8>>};

        _ ->
            create_post(Input)
    end.

-file("src/tale/generators.gleam", 72).
-spec scaffold_site(binary()) -> {ok, binary()} | {error, binary()}.
scaffold_site(Name) ->
    gleam@result:'try'(
        copy_directory(<<"templates"/utf8, "/site"/utf8>>, Name),
        fun(_) ->
            gleam@result:'try'(
                copy_directory(
                    <<"templates"/utf8, "/theme/"/utf8, "default"/utf8>>,
                    <<<<Name/binary, "/themes/"/utf8>>/binary, "default"/utf8>>
                ),
                fun(_) ->
                    gleam@result:'try'(
                        update_config_title(
                            <<Name/binary, "/config.toml"/utf8>>,
                            Name
                        ),
                        fun(_) ->
                            {ok,
                                <<<<"Site "/utf8, Name/binary>>/binary,
                                    " created with the Tale default theme."/utf8>>}
                        end
                    )
                end
            )
        end
    ).

-file("src/tale/generators.gleam", 42).
-spec create_site(binary()) -> {ok, binary()} | {error, binary()}.
create_site(Name) ->
    gleam@result:'try'(path_exists(Name), fun(Exists) -> case Exists of
                true ->
                    {error,
                        <<"Cannot create site, path already exists: "/utf8,
                            Name/binary>>};

                false ->
                    scaffold_site(Name)
            end end).

-file("src/tale/generators.gleam", 33).
?DOC(
    " Creates a new site rooted at the provided path. The generated site copies\n"
    " Tale's default content and theme, and updates the config title.\n"
    " New site contains:\n"
    " - archetypes: Contains the default markdown file\n"
    " - assets: Empty but user can add files here if they dont want to use or create a theme\n"
    " - content: Contains index.md, pages markdown files and posts directory who contains posts. Can be modified in config.toml\n"
    " - layouts: Empty but again user can add templates here.\n"
    " - static: Empty, user can add static files here.\n"
    " - `config.toml` file\n"
).
-spec new_site_gen(binary()) -> {ok, binary()} | {error, binary()}.
new_site_gen(Raw_name) ->
    Name = gleam@string:trim(Raw_name),
    case Name of
        <<""/utf8>> ->
            {error,
                <<"Please provide a site name, e.g. `tale new site my-blog`."/utf8>>};

        _ ->
            create_site(Name)
    end.

-file("src/tale/generators.gleam", 83).
-spec scaffold_theme(binary(), binary()) -> {ok, binary()} | {error, binary()}.
scaffold_theme(Path, Name) ->
    gleam@result:'try'(
        copy_directory(
            <<"templates"/utf8, "/theme/"/utf8, "default"/utf8>>,
            Path
        ),
        fun(_) ->
            gleam@result:'try'(
                update_theme_name(<<Path/binary, "/theme.toml"/utf8>>, Name),
                fun(_) ->
                    {ok,
                        <<<<<<<<"Theme "/utf8, Name/binary>>/binary,
                                    " created at "/utf8>>/binary,
                                Path/binary>>/binary,
                            "."/utf8>>}
                end
            )
        end
    ).

-file("src/tale/generators.gleam", 64).
-spec create_theme(binary()) -> {ok, binary()} | {error, binary()}.
create_theme(Name) ->
    gleam@result:'try'(path_exists(Name), fun(Exists) -> case Exists of
                true ->
                    {error, <<"Path already exists: "/utf8, Name/binary>>};

                false ->
                    scaffold_theme(Name, Name)
            end end).

-file("src/tale/generators.gleam", 55).
?DOC(
    " Creates a new theme `<name>` based on Tale's default theme.\n"
    " Theme directory contains:\n"
    " - assets: Contains css, js and images\n"
    " - layouts: Contains layout templates\n"
    " - static: Contains all static files that will be copied in the site/blog like robots.txt, favicon etc.\n"
).
-spec new_theme_gen(binary()) -> {ok, binary()} | {error, binary()}.
new_theme_gen(Raw_name) ->
    Name = gleam@string:trim(Raw_name),
    case Name of
        <<""/utf8>> ->
            {error,
                <<"Please provide a theme name, e.g. `tale new theme docs`."/utf8>>};

        _ ->
            create_theme(Name)
    end.