import { cookies } from "next/headers";
import { notFound, redirect } from "next/navigation";
import Link from "next/link";
import { ChevronRight } from "lucide-react";
import { authCookieHeader } from "@/lib/cookies";
import { getMeCached } from "@/lib/serverData";
import { fetchPostDetail } from "@/lib/api";
import { canModerateBoard } from "@/lib/roles";
import EditPostClient from "./EditPostClient";

interface PageProps {
  params: Promise<{ id: string }>;
}

export default async function EditPostPage({ params }: PageProps) {
  const { id } = await params;
  const cookie = authCookieHeader(await cookies());
  const me = await getMeCached(cookie || undefined);
  if (!me.user) {
    redirect(`/login?redirect=${encodeURIComponent(`/post/${id}/edit`)}`);
  }

  let post: Awaited<ReturnType<typeof fetchPostDetail>>["post"];
  try {
    ({ post } = await fetchPostDetail(id, cookie));
  } catch {
    notFound();
  }

  const allowed =
    me.user.id === post.user.id ||
    canModerateBoard(me.user, post.board_id);
  if (!allowed) {
    redirect(`/post/${id}`);
  }

  return (
    <div
      data-compose-viewport
      className="j13-compose-page w-full"
    >
      <nav className="meta -mt-4 sm:-mt-6 mb-1.5 flex items-center gap-1 flex-wrap text-[12.5px] leading-none shrink-0">
        <Link href="/" className="hover:text-[var(--accent)] transition-colors">
          首页
        </Link>
        <ChevronRight size={13} />
        <Link
          href={`/post/${post.id}`}
          className="hover:text-[var(--accent)] transition-colors truncate max-w-[12rem]"
        >
          帖子详情
        </Link>
        <ChevronRight size={13} />
        <span style={{ color: "var(--ink-2)" }}>编辑</span>
      </nav>

      <EditPostClient
        postId={post.id}
        initialTitle={post.title}
        initialContent={post.content}
        initialTags={post.tags || ""}
        initialPostType={post.post_type}
        initialTypeMeta={post.type_meta}
        initialAttachments={post.attachments || []}
        canEditPollOptions={post.poll?.can_edit_options !== false}
        canEditLotteryPrizes={post.lottery?.can_edit_prizes !== false}
        boardName={post.board?.name || "未知板块"}
        boardId={post.board_id}
        boardColorIndex={post.board?.color_index ?? 0}
      />
    </div>
  );
}