-module(glsql@internal@ast).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/glsql/internal/ast.gleam").
-export_type([schema_ast/0, table/0, column/0, sql_type/0, column_constraint/0, table_constraint/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.

?MODULEDOC(false).

-type schema_ast() :: {schema_ast, list(table())}.

-type table() :: {table,
        binary(),
        gleam@option:option(binary()),
        list(column()),
        list(table_constraint()),
        integer()}.

-type column() :: {column,
        binary(),
        sql_type(),
        list(column_constraint()),
        integer()}.

-type sql_type() :: {sql_type, binary(), list(binary()), integer(), integer()}.

-type column_constraint() :: {not_null, integer()} |
    {nullable, integer()} |
    {primary_key, integer()} |
    {unique, integer()} |
    {default, binary(), integer()} |
    {references, binary(), list(binary()), integer()} |
    {check, binary(), integer()}.

-type table_constraint() :: {table_primary_key, list(binary()), integer()} |
    {table_unique, list(binary()), integer()} |
    {table_foreign_key, list(binary()), binary(), list(binary()), integer()} |
    {table_check, binary(), integer()}.