"use client";

import type { Widget } from "@/lib/config/schema";
import { useWidgetSubscription } from "@/lib/ws/client";
import { StatusDot } from "@/components/widgets/StatusDot";
import { SkeletonLines } from "@/components/widgets/Skeleton";
import { formatBytes, formatUptime } from "@/lib/format";

type DockerWidget = Extract<Widget, { type: "docker" }>;

export function DockerWidget({ widget, widgetId }: { widget: DockerWidget; widgetId: string }) {
  const result = useWidgetSubscription(widgetId);
  const data = result?.type === "docker" ? result.data : null;
  const errorMessage = result?.type === "error" ? result.message : null;

  return (
    <div className="flex flex-col gap-2 rounded-[var(--radius-widget)] border border-border bg-surface p-4">
      <div className="flex items-center justify-between gap-2">
        {widget.href ? (
          <a
            href={widget.href}
            target="_blank"
            rel="noreferrer"
            className="text-sm font-medium text-fg hover:text-accent"
          >
            {widget.name}
          </a>
        ) : (
          <span className="text-sm font-medium text-fg">{widget.name}</span>
        )}
        <StatusDot status={data?.status} health={data?.health} />
      </div>
      {errorMessage && <span className="text-xs text-status-down">{errorMessage}</span>}
      {!result && !errorMessage && <SkeletonLines />}
      {data && (
        <dl className="flex flex-col gap-1 text-xs text-fg-muted">
          {data.uptimeSeconds !== null && (
            <div>
              Uptime: <span className="font-mono tabular-nums text-fg">{formatUptime(data.uptimeSeconds)}</span>
            </div>
          )}
          {widget.showStats && data.cpuPercent !== null && (
            <div>
              CPU: <span className="font-mono tabular-nums text-fg">{data.cpuPercent.toFixed(1)}%</span>
            </div>
          )}
          {widget.showStats && data.memUsageBytes !== null && (
            <div>
              Mem:{" "}
              <span className="font-mono tabular-nums text-fg">
                {formatBytes(data.memUsageBytes)}
                {data.memLimitBytes ? ` / ${formatBytes(data.memLimitBytes)}` : ""}
              </span>
            </div>
          )}
          {data.restartCount > 0 && (
            <div>
              Restarts: <span className="font-mono tabular-nums text-fg">{data.restartCount}</span>
            </div>
          )}
        </dl>
      )}
    </div>
  );
}