import { Download } from "lucide-react";
import { postNoBody } from "../../../api";
import { useI18n } from "../../../i18n";
import type { Attachment, Post } from "../../../types/post";
import { fileIcon } from "../utils/fileIcon";
import { formatBytes } from "../utils/formatBytes";
import { postDisplayText } from "../utils/postText";

function AttachmentRow({ postId, att }: { postId: string; att: Attachment }) {
  const isImageAsDoc = att.mime.startsWith("image/");
  const { Icon, color } = fileIcon({ mime: att.mime, filename: att.filename });

  return (
    <a
      href={att.url}
      download={att.filename}
      target="_blank"
      rel="noopener noreferrer"
      className="group flex items-center gap-2 rounded-xl px-1 py-0.5 transition hover:bg-white/5"
      onClick={() => {
        void postNoBody(`/api/posts/${postId}/attachments/${att.id}/download`);
      }}
    >
      <div className="relative h-11 w-11 shrink-0 overflow-hidden rounded-full md:h-12 md:w-12">
        {isImageAsDoc && att.thumbnailUrl ? (
          <>
            <img
              src={att.thumbnailUrl}
              alt=""
              className="absolute inset-0 h-full w-full object-cover"
            />
            <div className="absolute inset-0 flex items-center justify-center bg-black/35">
              <Download className="h-4 w-4 text-white" />
            </div>
          </>
        ) : (
          <div
            className="flex h-full w-full items-center justify-center"
            style={{ backgroundColor: color }}
          >
            <Icon className="h-5 w-5 text-white" strokeWidth={2.2} />
          </div>
        )}
      </div>
      <div className="min-w-0 flex-1">
        <div className="truncate text-[14px] font-medium text-ark-gold2 group-hover:text-ark-gold">
          {att.filename}
        </div>
        <div className="text-[11px] text-neutral-400">
          {formatBytes(att.sizeBytes)}
        </div>
      </div>
    </a>
  );
}

export function FileDocBubble({ post }: { post: Post }) {
  const { lang } = useI18n();
  const text = postDisplayText(post, lang);
  return (
    <div className="flex flex-col gap-1">
      {post.attachments.map((att) => (
        <AttachmentRow key={att.id} postId={post.id} att={att} />
      ))}
      {text ? (
        <div className="message-stream-copyable-text mt-1 select-text whitespace-pre-wrap break-words text-[14px] leading-snug text-neutral-100">
          {text}
        </div>
      ) : null}
    </div>
  );
}