-module(sqlode@model).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/sqlode/model.gleam").
-export([parse_engine/1, engine_to_string/1, parse_type_mapping/1, type_mapping_to_string/1, parse_runtime/1, runtime_to_string/1, empty_overrides/0, is_result_command/1, parse_query_command/1, query_command_to_string/1, parse_sql_type/1]).
-export_type([engine/0, runtime/0, type_mapping/0, type_override/0, column_rename/0, overrides/0, gleam_output/0, sql_block/0, config/0, macro/0, parsed_query/0, scalar_type/0, enum_def/0, normalized_type/0, column/0, table/0, catalog/0, query_param/0, result_column/0, embedded_column/0, result_item/0, analyzed_query/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.

-type engine() :: postgre_s_q_l | my_s_q_l | s_q_lite.

-type runtime() :: raw | native.

-type type_mapping() :: string_mapping | rich_mapping | strong_mapping.

-type type_override() :: {db_type_override,
        binary(),
        binary(),
        gleam@option:option(boolean())} |
    {column_override, binary(), binary(), binary()}.

-type column_rename() :: {column_rename, binary(), binary(), binary()}.

-type overrides() :: {overrides, list(type_override()), list(column_rename())}.

-type gleam_output() :: {gleam_output,
        binary(),
        runtime(),
        type_mapping(),
        boolean(),
        boolean(),
        boolean(),
        boolean(),
        boolean()}.

-type sql_block() :: {sql_block,
        gleam@option:option(binary()),
        engine(),
        list(binary()),
        list(binary()),
        gleam_output(),
        overrides()}.

-type config() :: {config, integer(), list(sql_block())}.

-type macro() :: {macro_arg, integer(), binary()} |
    {macro_narg, integer(), binary()} |
    {macro_slice, integer(), binary()}.

-type parsed_query() :: {parsed_query,
        binary(),
        binary(),
        sqlode@runtime:query_command(),
        binary(),
        binary(),
        integer(),
        list(macro())}.

-type scalar_type() :: int_type |
    float_type |
    bool_type |
    string_type |
    bytes_type |
    date_time_type |
    date_type |
    time_type |
    uuid_type |
    json_type |
    {enum_type, binary()} |
    {custom_type, binary(), gleam@option:option(binary()), scalar_type()} |
    {array_type, scalar_type()}.

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

-type normalized_type() :: {normalized_type, binary(), boolean()}.

-type column() :: {column, binary(), scalar_type(), boolean()}.

-type table() :: {table, binary(), list(column())}.

-type catalog() :: {catalog, list(table()), list(enum_def())}.

-type query_param() :: {query_param,
        integer(),
        binary(),
        scalar_type(),
        boolean(),
        boolean()}.

-type result_column() :: {result_column,
        binary(),
        scalar_type(),
        boolean(),
        gleam@option:option(binary())}.

-type embedded_column() :: {embedded_column, binary(), binary(), list(column())}.

-type result_item() :: {scalar_result, result_column()} |
    {embedded_result, embedded_column()}.

-type analyzed_query() :: {analyzed_query,
        parsed_query(),
        list(query_param()),
        list(result_item())}.

-file("src/sqlode/model.gleam", 12).
-spec parse_engine(binary()) -> {ok, engine()} | {error, binary()}.
parse_engine(Value) ->
    case Value of
        <<"postgresql"/utf8>> ->
            {ok, postgre_s_q_l};

        <<"mysql"/utf8>> ->
            {ok, my_s_q_l};

        <<"sqlite"/utf8>> ->
            {ok, s_q_lite};

        _ ->
            {error, <<"must be one of: postgresql, mysql, sqlite"/utf8>>}
    end.

-file("src/sqlode/model.gleam", 21).
-spec engine_to_string(engine()) -> binary().
engine_to_string(Engine) ->
    case Engine of
        postgre_s_q_l ->
            <<"postgresql"/utf8>>;

        my_s_q_l ->
            <<"mysql"/utf8>>;

        s_q_lite ->
            <<"sqlite"/utf8>>
    end.

-file("src/sqlode/model.gleam", 40).
-spec parse_type_mapping(binary()) -> {ok, type_mapping()} | {error, binary()}.
parse_type_mapping(Value) ->
    case Value of
        <<"string"/utf8>> ->
            {ok, string_mapping};

        <<"rich"/utf8>> ->
            {ok, rich_mapping};

        <<"strong"/utf8>> ->
            {ok, strong_mapping};

        _ ->
            {error, <<"must be one of: string, rich, strong"/utf8>>}
    end.

-file("src/sqlode/model.gleam", 49).
-spec type_mapping_to_string(type_mapping()) -> binary().
type_mapping_to_string(Mapping) ->
    case Mapping of
        string_mapping ->
            <<"string"/utf8>>;

        rich_mapping ->
            <<"rich"/utf8>>;

        strong_mapping ->
            <<"strong"/utf8>>
    end.

-file("src/sqlode/model.gleam", 57).
-spec parse_runtime(binary()) -> {ok, runtime()} | {error, binary()}.
parse_runtime(Value) ->
    case Value of
        <<"raw"/utf8>> ->
            {ok, raw};

        <<"based"/utf8>> ->
            {error,
                <<"\"based\" is not yet supported; use \"raw\" or \"native\" instead"/utf8>>};

        <<"native"/utf8>> ->
            {ok, native};

        _ ->
            {error, <<"must be one of: raw, native"/utf8>>}
    end.

-file("src/sqlode/model.gleam", 67).
-spec runtime_to_string(runtime()) -> binary().
runtime_to_string(Runtime) ->
    case Runtime of
        raw ->
            <<"raw"/utf8>>;

        native ->
            <<"native"/utf8>>
    end.

-file("src/sqlode/model.gleam", 90).
-spec empty_overrides() -> overrides().
empty_overrides() ->
    {overrides, [], []}.

-file("src/sqlode/model.gleam", 138).
-spec is_result_command(sqlode@runtime:query_command()) -> boolean().
is_result_command(Command) ->
    case Command of
        query_one ->
            true;

        query_many ->
            true;

        query_batch_one ->
            true;

        query_batch_many ->
            true;

        _ ->
            false
    end.

-file("src/sqlode/model.gleam", 148).
-spec parse_query_command(binary()) -> {ok, sqlode@runtime:query_command()} |
    {error, binary()}.
parse_query_command(Value) ->
    case Value of
        <<":one"/utf8>> ->
            {ok, query_one};

        <<":many"/utf8>> ->
            {ok, query_many};

        <<":exec"/utf8>> ->
            {ok, query_exec};

        <<":execresult"/utf8>> ->
            {ok, query_exec_result};

        <<":execrows"/utf8>> ->
            {ok, query_exec_rows};

        <<":execlastid"/utf8>> ->
            {ok, query_exec_last_id};

        <<":batchone"/utf8>> ->
            {ok, query_batch_one};

        <<":batchmany"/utf8>> ->
            {ok, query_batch_many};

        <<":batchexec"/utf8>> ->
            {ok, query_batch_exec};

        <<":copyfrom"/utf8>> ->
            {ok, query_copy_from};

        _ ->
            {error,
                <<"must be one of: :one, :many, :exec, :execresult, :execrows, :execlastid, :batchone, :batchmany, :batchexec, :copyfrom"/utf8>>}
    end.

-file("src/sqlode/model.gleam", 169).
-spec query_command_to_string(sqlode@runtime:query_command()) -> binary().
query_command_to_string(Command) ->
    case Command of
        query_one ->
            <<"QueryOne"/utf8>>;

        query_many ->
            <<"QueryMany"/utf8>>;

        query_exec ->
            <<"QueryExec"/utf8>>;

        query_exec_result ->
            <<"QueryExecResult"/utf8>>;

        query_exec_rows ->
            <<"QueryExecRows"/utf8>>;

        query_exec_last_id ->
            <<"QueryExecLastId"/utf8>>;

        query_batch_one ->
            <<"QueryBatchOne"/utf8>>;

        query_batch_many ->
            <<"QueryBatchMany"/utf8>>;

        query_batch_exec ->
            <<"QueryBatchExec"/utf8>>;

        query_copy_from ->
            <<"QueryCopyFrom"/utf8>>
    end.

-file("src/sqlode/model.gleam", 279).
-spec strip_array_suffix(binary(), boolean()) -> {binary(), boolean()}.
strip_array_suffix(Text, Seen) ->
    Trimmed = gleam@string:trim_end(Text),
    case gleam_stdlib:string_ends_with(Trimmed, <<"[]"/utf8>>) of
        true ->
            strip_array_suffix(gleam@string:drop_end(Trimmed, 2), true);

        false ->
            case gleam_stdlib:string_ends_with(Trimmed, <<" array"/utf8>>) of
                true ->
                    strip_array_suffix(gleam@string:drop_end(Trimmed, 6), true);

                false ->
                    {Trimmed, Seen}
            end
    end.

-file("src/sqlode/model.gleam", 291).
-spec strip_modifier(binary()) -> binary().
strip_modifier(Text) ->
    After_open = case gleam@string:split_once(Text, <<"("/utf8>>) of
        {ok, {Head, _}} ->
            Head;

        {error, nil} ->
            Text
    end,
    case gleam@string:split_once(After_open, <<")"/utf8>>) of
        {ok, {Head@1, _}} ->
            Head@1;

        {error, nil} ->
            After_open
    end.

-file("src/sqlode/model.gleam", 306).
-spec collapse_whitespace(binary()) -> binary().
collapse_whitespace(Text) ->
    _pipe = Text,
    _pipe@1 = gleam@string:split(_pipe, <<" "/utf8>>),
    _pipe@2 = gleam@list:filter(_pipe@1, fun(Part) -> Part /= <<""/utf8>> end),
    gleam@string:join(_pipe@2, <<" "/utf8>>).

-file("src/sqlode/model.gleam", 265).
-spec normalize_type_text(binary()) -> normalized_type().
normalize_type_text(Type_text) ->
    Lowered = begin
        _pipe = Type_text,
        _pipe@1 = string:lowercase(_pipe),
        gleam@string:trim(_pipe@1)
    end,
    {Without_array, Is_array} = strip_array_suffix(Lowered, false),
    Without_modifier = strip_modifier(Without_array),
    Base = begin
        _pipe@2 = Without_modifier,
        _pipe@3 = collapse_whitespace(_pipe@2),
        gleam@string:trim(_pipe@3)
    end,
    {normalized_type, Base, Is_array}.

-file("src/sqlode/model.gleam", 313).
-spec classify_builtin_type(binary()) -> {ok, scalar_type()} | {error, nil}.
classify_builtin_type(Base) ->
    case Base of
        <<"int"/utf8>> ->
            {ok, int_type};

        <<"int2"/utf8>> ->
            {ok, int_type};

        <<"int4"/utf8>> ->
            {ok, int_type};

        <<"int8"/utf8>> ->
            {ok, int_type};

        <<"integer"/utf8>> ->
            {ok, int_type};

        <<"smallint"/utf8>> ->
            {ok, int_type};

        <<"bigint"/utf8>> ->
            {ok, int_type};

        <<"mediumint"/utf8>> ->
            {ok, int_type};

        <<"tinyint"/utf8>> ->
            {ok, int_type};

        <<"serial"/utf8>> ->
            {ok, int_type};

        <<"serial2"/utf8>> ->
            {ok, int_type};

        <<"serial4"/utf8>> ->
            {ok, int_type};

        <<"serial8"/utf8>> ->
            {ok, int_type};

        <<"smallserial"/utf8>> ->
            {ok, int_type};

        <<"bigserial"/utf8>> ->
            {ok, int_type};

        <<"year"/utf8>> ->
            {ok, int_type};

        <<"float"/utf8>> ->
            {ok, float_type};

        <<"float4"/utf8>> ->
            {ok, float_type};

        <<"float8"/utf8>> ->
            {ok, float_type};

        <<"real"/utf8>> ->
            {ok, float_type};

        <<"double"/utf8>> ->
            {ok, float_type};

        <<"double precision"/utf8>> ->
            {ok, float_type};

        <<"numeric"/utf8>> ->
            {ok, float_type};

        <<"decimal"/utf8>> ->
            {ok, float_type};

        <<"dec"/utf8>> ->
            {ok, float_type};

        <<"money"/utf8>> ->
            {ok, float_type};

        <<"smallmoney"/utf8>> ->
            {ok, float_type};

        <<"bool"/utf8>> ->
            {ok, bool_type};

        <<"boolean"/utf8>> ->
            {ok, bool_type};

        <<"bytea"/utf8>> ->
            {ok, bytes_type};

        <<"blob"/utf8>> ->
            {ok, bytes_type};

        <<"longblob"/utf8>> ->
            {ok, bytes_type};

        <<"mediumblob"/utf8>> ->
            {ok, bytes_type};

        <<"tinyblob"/utf8>> ->
            {ok, bytes_type};

        <<"binary"/utf8>> ->
            {ok, bytes_type};

        <<"varbinary"/utf8>> ->
            {ok, bytes_type};

        <<"uuid"/utf8>> ->
            {ok, uuid_type};

        <<"uniqueidentifier"/utf8>> ->
            {ok, uuid_type};

        <<"json"/utf8>> ->
            {ok, json_type};

        <<"jsonb"/utf8>> ->
            {ok, json_type};

        <<"timestamp"/utf8>> ->
            {ok, date_time_type};

        <<"timestamptz"/utf8>> ->
            {ok, date_time_type};

        <<"timestamp with time zone"/utf8>> ->
            {ok, date_time_type};

        <<"timestamp without time zone"/utf8>> ->
            {ok, date_time_type};

        <<"datetime"/utf8>> ->
            {ok, date_time_type};

        <<"datetime2"/utf8>> ->
            {ok, date_time_type};

        <<"date"/utf8>> ->
            {ok, date_type};

        <<"time"/utf8>> ->
            {ok, time_type};

        <<"timetz"/utf8>> ->
            {ok, time_type};

        <<"time with time zone"/utf8>> ->
            {ok, time_type};

        <<"time without time zone"/utf8>> ->
            {ok, time_type};

        <<"interval"/utf8>> ->
            {ok, time_type};

        <<"text"/utf8>> ->
            {ok, string_type};

        <<"char"/utf8>> ->
            {ok, string_type};

        <<"character"/utf8>> ->
            {ok, string_type};

        <<"character varying"/utf8>> ->
            {ok, string_type};

        <<"varchar"/utf8>> ->
            {ok, string_type};

        <<"bpchar"/utf8>> ->
            {ok, string_type};

        <<"nchar"/utf8>> ->
            {ok, string_type};

        <<"nvarchar"/utf8>> ->
            {ok, string_type};

        <<"clob"/utf8>> ->
            {ok, string_type};

        <<"nclob"/utf8>> ->
            {ok, string_type};

        <<"longtext"/utf8>> ->
            {ok, string_type};

        <<"mediumtext"/utf8>> ->
            {ok, string_type};

        <<"tinytext"/utf8>> ->
            {ok, string_type};

        <<"string"/utf8>> ->
            {ok, string_type};

        <<"name"/utf8>> ->
            {ok, string_type};

        <<"citext"/utf8>> ->
            {ok, string_type};

        <<"inet"/utf8>> ->
            {ok, string_type};

        <<"cidr"/utf8>> ->
            {ok, string_type};

        <<"macaddr"/utf8>> ->
            {ok, string_type};

        <<"macaddr8"/utf8>> ->
            {ok, string_type};

        <<"tsvector"/utf8>> ->
            {ok, string_type};

        <<"tsquery"/utf8>> ->
            {ok, string_type};

        <<"point"/utf8>> ->
            {ok, string_type};

        <<"line"/utf8>> ->
            {ok, string_type};

        <<"lseg"/utf8>> ->
            {ok, string_type};

        <<"box"/utf8>> ->
            {ok, string_type};

        <<"path"/utf8>> ->
            {ok, string_type};

        <<"polygon"/utf8>> ->
            {ok, string_type};

        <<"circle"/utf8>> ->
            {ok, string_type};

        <<"xml"/utf8>> ->
            {ok, string_type};

        <<"bit"/utf8>> ->
            {ok, string_type};

        <<"bit varying"/utf8>> ->
            {ok, string_type};

        <<"varbit"/utf8>> ->
            {ok, string_type};

        _ ->
            {error, nil}
    end.

-file("src/sqlode/model.gleam", 250).
?DOC(
    " Classify by exact compound name first (e.g. \"timestamp with time zone\"),\n"
    " then fall back to the first whitespace-separated token so trailing\n"
    " garbage from unsupported column clauses (GENERATED, PARTITION BY) does\n"
    " not block recognition of the primary type keyword.\n"
).
-spec classify_normalized_base(binary()) -> {ok, scalar_type()} | {error, nil}.
classify_normalized_base(Base) ->
    case classify_builtin_type(Base) of
        {ok, T} ->
            {ok, T};

        {error, nil} ->
            case gleam@string:split_once(Base, <<" "/utf8>>) of
                {ok, {First_word, _}} ->
                    classify_builtin_type(First_word);

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

-file("src/sqlode/model.gleam", 234).
?DOC(
    " Parse a SQL type name into a ScalarType by normalizing the type token\n"
    " (lowercasing, stripping modifiers and array markers, collapsing whitespace)\n"
    " and matching the base name against a fixed table of built-ins.\n"
    "\n"
    " Used by both schema parsing (CREATE TABLE column types) and query analysis\n"
    " (PostgreSQL type casts like `$1::int`). Returns Error(Nil) for unrecognized\n"
    " types so callers can surface the original text in a precise diagnostic\n"
    " instead of guessing.\n"
).
-spec parse_sql_type(binary()) -> {ok, scalar_type()} | {error, nil}.
parse_sql_type(Type_text) ->
    Normalized = normalize_type_text(Type_text),
    case classify_normalized_base(erlang:element(2, Normalized)) of
        {ok, Element_type} ->
            case erlang:element(3, Normalized) of
                true ->
                    {ok, {array_type, Element_type}};

                false ->
                    {ok, Element_type}
            end;

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