import Block from "components/services/widget/block";
import Container from "components/services/widget/container";
import { useTranslation } from "next-i18next/pages";

import useCurrentTime from "utils/hooks/use-current-time";
import useWidgetAPI from "utils/proxy/use-widget-api";

const DAY = 24 * 60 * 60 * 1000;

export default function Component({ service }) {
  const { t } = useTranslation();
  const currentTime = useCurrentTime();

  const { widget } = service;
  const isV2 = widget.version === 2;

  const { data: usersData, error: usersError } = useWidgetAPI(widget, "users");

  const loginsEndpoint = isV2 ? "" : "login";
  const { data: loginsData, error: loginsError } = useWidgetAPI(widget, loginsEndpoint);

  const failedLoginsEndpoint = isV2 ? "" : "login_failed";
  const { data: failedLoginsData, error: failedLoginsError } = useWidgetAPI(widget, failedLoginsEndpoint);

  const eventsDataEndpoint = isV2 ? "datav2" : "";
  const { data: eventsData, error: eventsDataError } = useWidgetAPI(widget, eventsDataEndpoint);

  if (usersError || loginsError || failedLoginsError || eventsDataError) {
    const finalError = usersError ?? loginsError ?? failedLoginsError ?? eventsDataError;
    return <Container service={service} error={finalError} />;
  }

  const hasNoData = isV2 ? !usersData || !eventsData : !usersData || !loginsData || !failedLoginsData;

  if (hasNoData) {
    return (
      <Container service={service}>
        <Block label="authentik.users" />
        <Block label="authentik.loginsLast24H" />
        <Block label="authentik.failedLoginsLast24H" />
        {isV2 && <Block label="authentik.authorizationsLast24H" />}
      </Container>
    );
  }

  let loginsLast24H;
  let failedLoginsLast24H;
  let authorizationsLast24H;
  switch (widget.version) {
    // v1 is default
    default:
      const yesterday = currentTime - DAY;
      loginsLast24H = loginsData.reduce(
        (total, current) => (current.x_cord >= yesterday ? total + current.y_cord : total),
        0,
      );
      failedLoginsLast24H = failedLoginsData.reduce(
        (total, current) => (current.x_cord >= yesterday ? total + current.y_cord : total),
        0,
      );
      break;
    case 2:
      const events = Array.isArray(eventsData) ? eventsData : [];
      const result = events.reduce(
        (acc, current) => {
          if (!current?.count || !current?.action) {
            return acc;
          }

          if (current.action === "login") {
            acc.logins += current.count;
          } else if (current.action === "login_failed") {
            acc.failed += current.count;
          } else if (current.action === "authorize_application") {
            acc.authorizations += current.count;
          }

          return acc;
        },
        { logins: 0, failed: 0, authorizations: 0 },
      );
      loginsLast24H = result.logins;
      failedLoginsLast24H = result.failed;
      authorizationsLast24H = result.authorizations;
      break;
  }

  return (
    <Container service={service}>
      <Block label="authentik.users" value={t("common.number", { value: usersData.pagination.count })} />
      <Block label="authentik.loginsLast24H" value={t("common.number", { value: loginsLast24H })} />
      <Block label="authentik.failedLoginsLast24H" value={t("common.number", { value: failedLoginsLast24H })} />
      {isV2 && (
        <Block label="authentik.authorizationsLast24H" value={t("common.number", { value: authorizationsLast24H })} />
      )}
    </Container>
  );
}