-module(api_event_tests).
-export([test/0]).

-define(BASE_URL, "http://localhost:8080").

test() ->
  io:format("Testing event API...~n"),

  OwnerEmail = api_test_runner:unique_email(<<"ev_owner">>),
  OwnerToken = api_test_runner:register_and_login(OwnerEmail, <<"owner123">>),

  CalId = api_test_runner:extract_json(
    api_test_runner:http_post("/v1/calendars", #{title => <<"Test">>}, OwnerToken), <<"id">>),

  % TEST 1: Create single event
  io:format("  TEST 1: Create single event... "),
  EventId = api_test_runner:extract_json(
    api_test_runner:http_post("/v1/calendars/" ++ binary_to_list(CalId) ++ "/events",
      #{title => <<"Test Event">>, start_time => <<"2026-06-01T10:00:00Z">>, duration => 60}, OwnerToken), <<"id">>),
  io:format("OK~n"),

  % TEST 2: Create event in past (should fail)
  io:format("  TEST 2: Create past event... "),
  {ok, {{_, 400, _}, _, _}} = api_test_runner:http_post("/v1/calendars/" ++ binary_to_list(CalId) ++ "/events",
    #{title => <<"Past Event">>, start_time => <<"2020-01-01T10:00:00Z">>, duration => 60}, OwnerToken),
  io:format("OK~n"),

  % TEST 3: Create recurring event
  io:format("  TEST 3: Create recurring event... "),
  RecurringId = api_test_runner:extract_json(
    api_test_runner:http_post("/v1/calendars/" ++ binary_to_list(CalId) ++ "/events",
      #{title => <<"Weekly Meeting">>, start_time => <<"2026-06-01T10:00:00Z">>, duration => 60,
        recurrence => #{freq => <<"WEEKLY">>, interval => 1}}, OwnerToken), <<"id">>),
  io:format("OK~n"),

  % TEST 4: List events
  io:format("  TEST 4: List events... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_get("/v1/calendars/" ++ binary_to_list(CalId) ++ "/events", OwnerToken),
  io:format("OK~n"),

  % TEST 5: Get event
  io:format("  TEST 5: Get event... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_get("/v1/events/" ++ binary_to_list(EventId), OwnerToken),
  io:format("OK~n"),

  % TEST 6: Update event
  io:format("  TEST 6: Update event... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_put("/v1/events/" ++ binary_to_list(EventId),
    #{title => <<"Updated Event">>}, OwnerToken),
  io:format("OK~n"),

  % TEST 7: Get occurrences
  io:format("  TEST 7: Get occurrences... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_get(
    "/v1/events/" ++ binary_to_list(RecurringId) ++ "/occurrences?from=2026-06-01T00:00:00Z&to=2026-06-30T00:00:00Z", OwnerToken),
  io:format("OK~n"),

  % TEST 8: Cancel occurrence
  io:format("  TEST 8: Cancel occurrence... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_delete(
    "/v1/events/" ++ binary_to_list(RecurringId) ++ "/occurrences/2026-06-08T10:00:00Z", OwnerToken),
  io:format("OK~n"),

  % TEST 9: Delete event
  io:format("  TEST 9: Delete event... "),
  {ok, {{_, 200, _}, _, _}} = api_test_runner:http_delete("/v1/events/" ++ binary_to_list(EventId), OwnerToken),
  io:format("OK~n"),

  io:format("~n✅ Event API tests passed!~n"),
  {?MODULE, ok}.