-module(dreki_web_ui_error).
-behaviour(cowboy_handler).
-export([init/2]).

init(Req, not_found) ->
    reply(Req, 404, <<"Not Found">>, undefined);
init(Req, State = #{code := Code, status := Status}) ->
    reply(Req, Code, Status, maps:get(message, State, undefined)).

reply(Req0, Code, Status, Msg) ->
    Assigns = [{"message", Msg}, {"status", Status}],
    Html = dreki_web_ui:render(Req0, error_dtl, Assigns),
    Req = dreki_web_ui:reply_html(Req0, Code, Html),
    {ok, Req, undefined}.