-module(glibsql).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([new_http_request/0, with_database/2, with_organization/2, with_host/2, with_path/2, with_token/2, with_statement/2, clear_statements/1, with_baton/2, build/1]).
-export_type([statement/0, http_request/0]).

-type statement() :: {execute_statement, binary()} | close_statement.

-opaque http_request() :: {http_request,
        binary(),
        binary(),
        binary(),
        binary(),
        binary(),
        list(statement()),
        gleam@option:option(binary())}.

-spec new_http_request() -> http_request().
new_http_request() ->
    {http_request,
        <<""/utf8>>,
        <<""/utf8>>,
        <<"turso.io"/utf8>>,
        <<"/v2/pipeline"/utf8>>,
        <<""/utf8>>,
        [],
        none}.

-spec with_database(http_request(), binary()) -> http_request().
with_database(Request, Database) ->
    erlang:setelement(2, Request, Database).

-spec with_organization(http_request(), binary()) -> http_request().
with_organization(Request, Organization) ->
    erlang:setelement(3, Request, Organization).

-spec with_host(http_request(), binary()) -> http_request().
with_host(Request, Host) ->
    erlang:setelement(4, Request, Host).

-spec with_path(http_request(), binary()) -> http_request().
with_path(Request, Path) ->
    erlang:setelement(5, Request, Path).

-spec with_token(http_request(), binary()) -> http_request().
with_token(Request, Token) ->
    erlang:setelement(6, Request, Token).

-spec with_statement(http_request(), statement()) -> http_request().
with_statement(Request, Statement) ->
    erlang:setelement(7, Request, [Statement | erlang:element(7, Request)]).

-spec clear_statements(http_request()) -> http_request().
clear_statements(Request) ->
    erlang:setelement(7, Request, []).

-spec with_baton(http_request(), binary()) -> http_request().
with_baton(Request, Baton) ->
    erlang:setelement(8, Request, {some, Baton}).

-spec build_json(http_request()) -> binary().
build_json(Req) ->
    Statements = begin
        _pipe = lists:reverse(erlang:element(7, Req)),
        gleam@list:map(_pipe, fun(Stmt) -> case Stmt of
                    {execute_statement, Sql} ->
                        gleam@json:object(
                            [{<<"type"/utf8>>,
                                    gleam@json:string(<<"execute"/utf8>>)},
                                {<<"stmt"/utf8>>,
                                    gleam@json:object(
                                        [{<<"sql"/utf8>>,
                                                gleam@json:string(Sql)}]
                                    )}]
                        );

                    close_statement ->
                        gleam@json:object(
                            [{<<"type"/utf8>>,
                                    gleam@json:string(<<"close"/utf8>>)}]
                        )
                end end)
    end,
    _pipe@1 = gleam@json:object(
        [{<<"baton"/utf8>>,
                gleam@json:nullable(
                    erlang:element(8, Req),
                    fun gleam@json:string/1
                )},
            {<<"requests"/utf8>>, gleam@json:preprocessed_array(Statements)}]
    ),
    gleam@json:to_string(_pipe@1).

-spec build(http_request()) -> gleam@http@request:request(binary()).
build(Request) ->
    _pipe = gleam@http@request:new(),
    _pipe@1 = gleam@http@request:set_method(_pipe, post),
    _pipe@2 = gleam@http@request:set_scheme(_pipe@1, https),
    _pipe@3 = gleam@http@request:set_host(
        _pipe@2,
        <<<<<<<<(erlang:element(2, Request))/binary, "-"/utf8>>/binary,
                    (erlang:element(3, Request))/binary>>/binary,
                "."/utf8>>/binary,
            (erlang:element(4, Request))/binary>>
    ),
    _pipe@4 = gleam@http@request:set_path(_pipe@3, erlang:element(5, Request)),
    _pipe@5 = gleam@http@request:set_header(
        _pipe@4,
        <<"Authorization"/utf8>>,
        gleam@string:join(
            [<<"Bearer"/utf8>>, erlang:element(6, Request)],
            <<" "/utf8>>
        )
    ),
    _pipe@6 = gleam@http@request:set_header(
        _pipe@5,
        <<"Content-Type"/utf8>>,
        <<"application/json"/utf8>>
    ),
    _pipe@7 = gleam@http@request:set_header(
        _pipe@6,
        <<"Accept"/utf8>>,
        <<"application/json"/utf8>>
    ),
    _pipe@8 = gleam@http@request:set_header(
        _pipe@7,
        <<"User-Agent"/utf8>>,
        <<"glibsql/0.2.0"/utf8>>
    ),
    gleam@http@request:set_body(_pipe@8, build_json(Request)).