-module(ormlette@ir@ir).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([to_ir/1]).
-export_type([table_ir/0, column_ir/0, column_constraint/0]).

-type table_ir() :: {table_ir, binary(), list(column_ir())}.

-type column_ir() :: {column_ir,
        binary(),
        ormlette@schema@create:column_type(),
        list(column_constraint()),
        gleam@option:option(gleam@dynamic:dynamic_())}.

-type column_constraint() :: primary_key |
    nullable |
    unique |
    {foreign_key,
        table_ir(),
        binary(),
        gleam@option:option(binary()),
        gleam@option:option(binary())}.

-file("/Users/ashercohen/Desktop/gleam/ormlette/src/ormlette/ir/ir.gleam", 44).
-spec column_to_ir(ormlette@schema@create:column()) -> column_ir().
column_to_ir(Column) ->
    Constraints = gleam@list:concat([case erlang:element(4, Column) of
                true ->
                    [primary_key];

                false ->
                    []
            end, case erlang:element(5, Column) of
                true ->
                    [nullable];

                false ->
                    []
            end, case erlang:element(6, Column) of
                true ->
                    [unique];

                false ->
                    []
            end, case erlang:element(8, Column) of
                {some, Ref} ->
                    [{foreign_key,
                            {table_ir,
                                erlang:element(2, erlang:element(2, Ref)),
                                gleam@list:map(
                                    erlang:element(3, erlang:element(2, Ref)),
                                    fun(C) -> column_to_ir(C) end
                                )},
                            erlang:element(3, Ref),
                            erlang:element(4, Ref),
                            erlang:element(5, Ref)}];

                none ->
                    []
            end]),
    {column_ir,
        erlang:element(2, Column),
        erlang:element(3, Column),
        Constraints,
        erlang:element(7, Column)}.

-file("/Users/ashercohen/Desktop/gleam/ormlette/src/ormlette/ir/ir.gleam", 39).
-spec to_ir(ormlette@schema@create:table()) -> table_ir().
to_ir(Table) ->
    {table_ir,
        erlang:element(2, Table),
        gleam@list:map(erlang:element(3, Table), fun column_to_ir/1)}.