-module(glethers@provider).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([to_request/2, decode_response/1]).
-export_type([provider/0, provider_error/0]).

-type provider() :: {rpc, binary()}.

-type provider_error() :: {decode_error, gleam@json:decode_error()}.

-spec to_request(provider(), glethers@rpc@methods:rpc_method()) -> gleam@http@request:request(binary()).
to_request(Provider, Method) ->
    _pipe = gleam@http@request:new(),
    _pipe@1 = gleam@http@request:set_method(_pipe, post),
    _pipe@2 = gleam@http@request:set_host(_pipe@1, erlang:element(2, Provider)),
    _pipe@3 = gleam@http@request:set_body(_pipe@2, Method),
    _pipe@4 = gleam@http@request:set_path(_pipe@3, <<"/"/utf8>>),
    _pipe@5 = gleam@http@request:prepend_header(
        _pipe@4,
        <<"Content-Type"/utf8>>,
        <<"application/json"/utf8>>
    ),
    gleam@http@request:map(_pipe@5, fun glethers@rpc@methods:convert_to_body/1).

-spec decode_response(gleam@http@response:response(binary())) -> {ok,
        glethers@rpc@calls:json_rpc_response()} |
    {error, gleam@json:decode_error()}.
decode_response(Body) ->
    _pipe = erlang:element(4, Body),
    glethers@rpc@calls:decode(_pipe).