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

-export([init/2]).

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

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

%% GET /v1/admin/tickets/stats - статистика по тикетам
get_statistics(Req) ->
  case handler_auth:authenticate(Req) of
    {ok, AdminId, Req1} ->
      case logic_ticket:get_statistics(AdminId) of
        Stats when is_map(Stats) ->
          send_json(Req1, 200, Stats);
        {error, access_denied} ->
          send_error(Req1, 403, <<"Admin access required">>);
        {error, _} ->
          send_error(Req1, 500, <<"Internal server error">>)
      end;
    {error, Code, Message, Req1} ->
      send_error(Req1, Code, Message)
  end.

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

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