-module(handler_user_reviews).
-include("records.hrl").

-export([init/2]).

init(Req, Opts) ->
  handle(Req, Opts).

handle(Req, _Opts) ->
  case cowboy_req:method(Req) of
    <<"GET">> -> list_user_reviews(Req);
    _ -> send_error(Req, 405, <<"Method not allowed">>)
  end.

%% GET /v1/user/reviews - список отзывов текущего пользователя
list_user_reviews(Req) ->
  case handler_auth:authenticate(Req) of
    {ok, UserId, Req1} ->
      case logic_review:list_user_reviews(UserId) of
        {ok, Reviews} ->
          Response = [review_to_json(R) || R <- Reviews],
          send_json(Req1, 200, Response);
        {error, _} ->
          send_error(Req1, 500, <<"Internal server error">>)
      end;
    {error, Code, Message, Req1} ->
      send_error(Req1, Code, Message)
  end.

%% Вспомогательные функции
review_to_json(Review) ->
  #{
    id => Review#review.id,
    user_id => Review#review.user_id,
    target_type => Review#review.target_type,
    target_id => Review#review.target_id,
    rating => Review#review.rating,
    comment => Review#review.comment,
    status => Review#review.status,
    created_at => datetime_to_iso8601(Review#review.created_at),
    updated_at => datetime_to_iso8601(Review#review.updated_at)
  }.

datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
  iolist_to_binary(io_lib:format("~4..0B-~2..0B-~2..0BT~2..0B:~2..0B:~2..0BZ",
    [Year, Month, Day, Hour, Minute, Second])).

send_json(Req, Status, Data) ->
  Body = jsx:encode(Data),
  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req).

send_error(Req, Status, Message) ->
  Body = jsx:encode(#{error => Message}),
  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req).