import { useTranslation } from "next-i18next";

import Container from "components/services/widget/container";
import Block from "components/services/widget/block";
import useWidgetAPI from "utils/proxy/use-widget-api";
import Pool from "widgets/truenas/pool";

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

  const { widget } = service;

  const { data: alertData, error: alertError } = useWidgetAPI(widget, "alerts");
  const { data: statusData, error: statusError } = useWidgetAPI(widget, "status");
  const { data: poolsData, error: poolsError } = useWidgetAPI(widget, widget?.enablePools ? "pools" : null);
  const { data: datasetData, error: datasetError } = useWidgetAPI(widget, widget?.enablePools ? "dataset" : null);

  if (alertError || statusError || poolsError) {
    const finalError = alertError ?? statusError ?? poolsError ?? datasetError;
    return <Container service={service} error={finalError} />;
  }

  if (!alertData || !statusData || (widget?.enablePools && (!poolsData || !datasetData))) {
    return (
      <Container service={service}>
        <Block label="truenas.load" />
        <Block label="truenas.uptime" />
        <Block label="truenas.alerts" />
      </Container>
    );
  }

  let pools = [];
  const showPools =
    Array.isArray(poolsData) && poolsData.length > 0 && Array.isArray(datasetData) && datasetData.length > 0;

  if (showPools) {
    pools = poolsData.map((pool) => {
      const dataset = datasetData.find((d) => d.pool === pool.name && d.name === pool.name);
      return {
        id: pool.id,
        name: pool.name,
        healthy: pool.healthy,
        allocated: dataset?.used.parsed ?? 0,
        free: dataset?.available.parsed ?? 0,
      };
    });
  }

  return (
    <>
      <Container service={service}>
        <Block label="truenas.load" value={t("common.number", { value: statusData.loadavg[0] })} />
        <Block label="truenas.uptime" value={t("common.duration", { value: statusData.uptime_seconds })} />
        <Block label="truenas.alerts" value={t("common.number", { value: alertData.pending })} />
      </Container>
      {showPools &&
        pools
          .sort((a, b) => a.name.localeCompare(b.name))
          .map((pool) => (
            <Pool key={pool.id} name={pool.name} healthy={pool.healthy} allocated={pool.allocated} free={pool.free} />
          ))}
    </>
  );
}