import { useTranslation } from "react-i18next";
import { ExternalLink } from "lucide-react";
import Avatar from "./ui/Avatar";
import { channelYouTubeUrl } from "../lib/format";
import { Pressable } from "./ui/Pressable";
import { IconLink } from "./ui/LinkButton";

// Avatar + channel name + "open on YouTube" link, shared by the Channel manager and the
// discovery list (and anywhere else that lists a channel). When `onView` is given the name
// is a button that opens the in-app channel view, with middle-click opening YouTube in a new
// tab; without it the name is plain text.
export default function ChannelLink({
  id,
  title,
  handle,
  thumbnailUrl,
  onView,
}: {
  id: string;
  title: string | null;
  handle?: string | null;
  thumbnailUrl: string | null;
  onView?: () => void;
}) {
  const { t } = useTranslation();
  const ytUrl = channelYouTubeUrl(id, handle);
  const name = title ?? id;
  return (
    <div className="flex items-center gap-2 min-w-0">
      <Avatar src={thumbnailUrl} fallback={title ?? ""} className="w-8 h-8 rounded-full shrink-0" />
      {onView ? (
        <Pressable
          selectable
          onClick={onView}
          // The channel's "open" element: in a keyboard-walkable list (lib/listNav) Enter on the row or
          // card clicks this.
          data-nav-open=""
          onAuxClick={(e) => {
            // Middle-click opens the channel's YouTube page in a new tab; left-click keeps
            // opening the in-app channel detail.
            if (e.button === 1) {
              e.preventDefault();
              window.open(ytUrl, "_blank", "noopener,noreferrer");
            }
          }}
          onMouseDown={(e) => {
            if (e.button === 1) e.preventDefault(); // suppress middle-click autoscroll
          }}
          // title = the full name, so a truncated fluid-column name is still readable on hover.
          title={name}
          className="min-h-6 min-w-0 truncate text-sm font-medium hover:text-accent pointer-coarse:min-h-(--touch-target)"
        >
          {name}
        </Pressable>
      ) : (
        <span title={name} className="text-sm font-medium truncate min-w-0">
          {name}
        </span>
      )}
      <IconLink
        href={ytUrl}
        target="_blank"
        rel="noopener noreferrer"
        label={t("channels.row.openOnYouTube")}
        className="shrink-0"
      >
        <ExternalLink />
      </IconLink>
    </div>
  );
}