-module(caffeine_lang@codegen@honeycomb).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/caffeine_lang/codegen/honeycomb.gleam").
-export([terraform_settings/0, provider/0, variables/0, sanitize_honeycomb_tag_key/1, sanitize_honeycomb_tag_value/1, window_to_time_period/1, ir_to_terraform_resources/1, generate_resources/1, generate_terraform/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/caffeine_lang/codegen/honeycomb.gleam", 41).
?DOC(false).
-spec terraform_settings() -> terra_madre@terraform:terraform_settings().
terraform_settings() ->
    caffeine_lang@codegen@generator_utils:build_terraform_settings(
        <<"honeycombio"/utf8>>,
        <<"honeycombio/honeycombio"/utf8>>,
        <<"~> 0.31"/utf8>>
    ).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 51).
?DOC(false).
-spec provider() -> terra_madre@terraform:provider().
provider() ->
    caffeine_lang@codegen@generator_utils:build_provider(
        <<"honeycombio"/utf8>>,
        [{<<"api_key"/utf8>>,
                terra_madre@hcl:ref(<<"var.honeycomb_api_key"/utf8>>)}]
    ).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 60).
?DOC(false).
-spec variables() -> list(terra_madre@terraform:variable()).
variables() ->
    [{variable,
            <<"honeycomb_api_key"/utf8>>,
            {some, {identifier, <<"string"/utf8>>}},
            none,
            {some, <<"Honeycomb API key"/utf8>>},
            {some, true},
            none,
            []},
        {variable,
            <<"honeycomb_dataset"/utf8>>,
            {some, {identifier, <<"string"/utf8>>}},
            none,
            {some, <<"Honeycomb dataset slug"/utf8>>},
            none,
            none,
            []}].

-file("src/caffeine_lang/codegen/honeycomb.gleam", 247).
-spec is_lowercase_letter(binary()) -> boolean().
is_lowercase_letter(Char) ->
    case gleam@string:to_utf_codepoints(Char) of
        [Cp] ->
            Code = gleam_stdlib:identity(Cp),
            (Code >= 97) andalso (Code =< 122);

        _ ->
            false
    end.

-file("src/caffeine_lang/codegen/honeycomb.gleam", 203).
?DOC(false).
-spec sanitize_honeycomb_tag_key(binary()) -> binary().
sanitize_honeycomb_tag_key(Key) ->
    _pipe = Key,
    _pipe@1 = string:lowercase(_pipe),
    _pipe@2 = gleam@string:to_graphemes(_pipe@1),
    _pipe@3 = gleam@list:filter(_pipe@2, fun is_lowercase_letter/1),
    _pipe@4 = erlang:list_to_binary(_pipe@3),
    gleam@string:slice(_pipe@4, 0, 32).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 264).
-spec is_digit(binary()) -> boolean().
is_digit(Char) ->
    case gleam@string:to_utf_codepoints(Char) of
        [Cp] ->
            Code = gleam_stdlib:identity(Cp),
            (Code >= 48) andalso (Code =< 57);

        _ ->
            false
    end.

-file("src/caffeine_lang/codegen/honeycomb.gleam", 257).
-spec is_valid_tag_value_char(binary()) -> boolean().
is_valid_tag_value_char(Char) ->
    case Char of
        <<"-"/utf8>> ->
            true;

        <<"/"/utf8>> ->
            true;

        _ ->
            is_lowercase_letter(Char) orelse is_digit(Char)
    end.

-file("src/caffeine_lang/codegen/honeycomb.gleam", 216).
?DOC(false).
-spec sanitize_honeycomb_tag_value(binary()) -> binary().
sanitize_honeycomb_tag_value(Value) ->
    Sanitized = begin
        _pipe = Value,
        _pipe@1 = string:lowercase(_pipe),
        _pipe@2 = gleam@string:to_graphemes(_pipe@1),
        _pipe@3 = gleam@list:map(_pipe@2, fun(Char) -> case Char of
                    <<" "/utf8>> ->
                        <<"-"/utf8>>;

                    <<"_"/utf8>> ->
                        <<"-"/utf8>>;

                    <<","/utf8>> ->
                        <<"-"/utf8>>;

                    _ ->
                        case is_valid_tag_value_char(Char) of
                            true ->
                                Char;

                            false ->
                                <<""/utf8>>
                        end
                end end),
        erlang:list_to_binary(_pipe@3)
    end,
    Sanitized@1 = case gleam@string:first(Sanitized) of
        {ok, C} ->
            case is_lowercase_letter(C) of
                true ->
                    Sanitized;

                false ->
                    <<"v"/utf8, Sanitized/binary>>
            end;

        _ ->
            Sanitized
    end,
    _pipe@4 = Sanitized@1,
    gleam@string:slice(_pipe@4, 0, 129).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 277).
?DOC(
    " Collapse tag pairs that share the same key by joining values with forward slashes.\n"
    " The shared helper produces one pair per misc value, but Honeycomb needs a\n"
    " single key-value entry per tag key. Preserves insertion order of first occurrence.\n"
).
-spec collapse_multi_value_tags(list({binary(), binary()})) -> list({binary(),
    binary()}).
collapse_multi_value_tags(Pairs) ->
    {Order, Merged} = begin
        _pipe = Pairs,
        gleam@list:fold(
            _pipe,
            {[], maps:new()},
            fun(Acc, Pair) ->
                {Keys, Seen} = Acc,
                {Key, Value} = Pair,
                case gleam_stdlib:map_get(Seen, Key) of
                    {ok, Existing} ->
                        {Keys,
                            gleam@dict:insert(
                                Seen,
                                Key,
                                <<<<Existing/binary, "/"/utf8>>/binary,
                                    Value/binary>>
                            )};

                    {error, _} ->
                        {[Key | Keys], gleam@dict:insert(Seen, Key, Value)}
                end
            end
        )
    end,
    _pipe@1 = Order,
    _pipe@2 = lists:reverse(_pipe@1),
    gleam@list:filter_map(
        _pipe@2,
        fun(Key@1) -> _pipe@3 = gleam_stdlib:map_get(Merged, Key@1),
            gleam@result:map(_pipe@3, fun(Value@1) -> {Key@1, Value@1} end) end
    ).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 305).
?DOC(false).
-spec window_to_time_period(integer()) -> integer().
window_to_time_period(Days) ->
    Days.

-file("src/caffeine_lang/codegen/honeycomb.gleam", 164).
?DOC(
    " Build tags as a map expression for Honeycomb.\n"
    " Honeycomb tags: keys ^[a-z]{1,32}$, values ^[a-z][a-z0-9/-]{1,128}$.\n"
    " Max 10 tags per resource.\n"
).
-spec build_tags(
    caffeine_lang@linker@ir:intermediate_representation(caffeine_lang@linker@ir:resolved())
) -> terra_madre@hcl:expr().
build_tags(Ir) ->
    System_tag_pairs = begin
        _pipe = caffeine_lang@helpers:build_system_tag_pairs(
            erlang:element(3, erlang:element(2, Ir)),
            erlang:element(6, erlang:element(2, Ir)),
            erlang:element(4, erlang:element(2, Ir)),
            erlang:element(5, erlang:element(2, Ir)),
            erlang:element(2, erlang:element(2, Ir)),
            [],
            erlang:element(7, erlang:element(2, Ir))
        ),
        collapse_multi_value_tags(_pipe)
    end,
    User_tag_pairs = case caffeine_lang@linker@ir:get_slo_fields(
        erlang:element(6, Ir)
    ) of
        {some, Slo} ->
            erlang:element(6, Slo);

        none ->
            []
    end,
    All_tags = begin
        _pipe@1 = lists:append(System_tag_pairs, User_tag_pairs),
        _pipe@2 = gleam@list:map(
            _pipe@1,
            fun(Pair) ->
                {{ident_key,
                        sanitize_honeycomb_tag_key(erlang:element(1, Pair))},
                    {string_literal,
                        sanitize_honeycomb_tag_value(erlang:element(2, Pair))}}
            end
        ),
        gleam@list:take(_pipe@2, 10)
    end,
    {map_expr, All_tags}.

-file("src/caffeine_lang/codegen/honeycomb.gleam", 86).
?DOC(false).
-spec ir_to_terraform_resources(
    caffeine_lang@linker@ir:intermediate_representation(caffeine_lang@linker@ir:resolved())
) -> {ok, list(terra_madre@terraform:resource())} |
    {error, caffeine_lang@errors:compilation_error()}.
ir_to_terraform_resources(Ir) ->
    Resource_name = terra_madre@common:sanitize_terraform_identifier(
        erlang:element(3, Ir)
    ),
    gleam@result:'try'(
        caffeine_lang@codegen@generator_utils:require_slo_fields(
            Ir,
            <<"honeycomb"/utf8>>
        ),
        fun(Slo) ->
            Threshold = erlang:element(2, Slo),
            Window_in_days = erlang:element(4, Slo),
            Indicators = erlang:element(3, Slo),
            gleam@result:'try'(
                caffeine_lang@codegen@generator_utils:require_evaluation(
                    Slo,
                    Ir,
                    <<"honeycomb"/utf8>>
                ),
                fun(Evaluation_expr) ->
                    gleam@result:'try'(
                        caffeine_lang@codegen@generator_utils:resolve_cql_expression(
                            Evaluation_expr,
                            Indicators,
                            Ir,
                            <<"honeycomb"/utf8>>
                        ),
                        fun(Sli_expression) ->
                            Time_period = window_to_time_period(Window_in_days),
                            Derived_column_alias = <<Resource_name/binary,
                                "_sli"/utf8>>,
                            Derived_column = {resource,
                                <<"honeycombio_derived_column"/utf8>>,
                                Derived_column_alias,
                                maps:from_list(
                                    [{<<"alias"/utf8>>,
                                            {string_literal,
                                                Derived_column_alias}},
                                        {<<"expression"/utf8>>,
                                            {string_literal, Sli_expression}},
                                        {<<"dataset"/utf8>>,
                                            terra_madre@hcl:ref(
                                                <<"var.honeycomb_dataset"/utf8>>
                                            )}]
                                ),
                                [],
                                terra_madre@hcl:empty_meta(),
                                none},
                            Slo_description = caffeine_lang@codegen@generator_utils:build_description(
                                Ir,
                                Slo
                            ),
                            Slo_attributes = [{<<"name"/utf8>>,
                                    {string_literal,
                                        erlang:element(
                                            2,
                                            erlang:element(
                                                2,
                                                erlang:element(2, Ir)
                                            )
                                        )}},
                                {<<"description"/utf8>>,
                                    {string_literal, Slo_description}},
                                {<<"dataset"/utf8>>,
                                    terra_madre@hcl:ref(
                                        <<"var.honeycomb_dataset"/utf8>>
                                    )},
                                {<<"sli"/utf8>>,
                                    terra_madre@hcl:ref(
                                        <<<<"honeycombio_derived_column."/utf8,
                                                Derived_column_alias/binary>>/binary,
                                            ".alias"/utf8>>
                                    )},
                                {<<"target_percentage"/utf8>>,
                                    {float_literal, Threshold}},
                                {<<"time_period"/utf8>>,
                                    {int_literal, Time_period}},
                                {<<"tags"/utf8>>, build_tags(Ir)}],
                            Slo@1 = {resource,
                                <<"honeycombio_slo"/utf8>>,
                                Resource_name,
                                maps:from_list(Slo_attributes),
                                [],
                                terra_madre@hcl:empty_meta(),
                                none},
                            {ok, [Derived_column, Slo@1]}
                        end
                    )
                end
            )
        end
    ).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 30).
?DOC(false).
-spec generate_resources(
    list(caffeine_lang@linker@ir:intermediate_representation(caffeine_lang@linker@ir:resolved()))
) -> {ok, {list(terra_madre@terraform:resource()), list(binary())}} |
    {error, caffeine_lang@errors:compilation_error()}.
generate_resources(Irs) ->
    caffeine_lang@codegen@generator_utils:generate_resources_multi(
        Irs,
        fun ir_to_terraform_resources/1
    ).

-file("src/caffeine_lang/codegen/honeycomb.gleam", 16).
?DOC(" Generate Terraform HCL from a list of Honeycomb IntermediateRepresentations.\n").
-spec generate_terraform(
    list(caffeine_lang@linker@ir:intermediate_representation(caffeine_lang@linker@ir:resolved()))
) -> {ok, binary()} | {error, caffeine_lang@errors:compilation_error()}.
generate_terraform(Irs) ->
    caffeine_lang@codegen@generator_utils:generate_terraform(
        Irs,
        terraform_settings(),
        provider(),
        variables(),
        fun generate_resources/1
    ).