import { AppSidebar } from "@/components/app-sidebar";
import { NavActions } from "@/components/nav-actions";
import {
  Breadcrumb,
  BreadcrumbItem,
  BreadcrumbList,
  BreadcrumbPage,
} from "@/components/ui/breadcrumb";
import { Separator } from "@/components/ui/separator";
import {
  SidebarInset,
  SidebarProvider,
  SidebarTrigger,
} from "@/components/ui/sidebar";
import { createClient } from "@/utils/supabase/server";
import { redirect } from "next/navigation";
import { remark } from "remark";
import remarkHtml from "remark-html";

export default async function DocumentPage({
  params,
}: {
  params: { id: string };
}) {
  const supabase = await createClient();

  const {
    data: { user },
  } = await supabase.auth.getUser();

  if (!user) {
    return redirect("/login");
  }

  // Fetch the document details based on the ID from params
  const { data: document, error } = await supabase
    .from("documents")
    .select("*")
    .eq("id", params.id)
    .single();

  if (error || !document) {
    console.error("Error fetching document:", error);
  }

  // If the document doesn't exist, redirect to the documents page or handle it accordingly
  if (!document) {
    return redirect("/dashboard");
  }
  const { data: documents, error: documentsError } = await supabase
    .from("documents")
    .select("id, file_name, created_at, owner")
    .eq("owner", user.id)
    .order("created_at", { ascending: false });

  if (documentsError) {
    console.error("Error fetching documents:", error);
    return <div>Error loading documents.</div>;
  }

  const pages = (document.ocr_data as any).pages.map(
    (page: any) => page.markdown
  );

  const processedContent = await remark()
    .use(remarkHtml)
    .process(pages.join(" "));

  return (
    <SidebarProvider>
      <AppSidebar
        documents={documents.map((d) => {
          return {
            name: d.file_name,
            url: `/dashboard/documents/${d.id}`,
            emoji: "📄",
          };
        })}
      />
      <SidebarInset>
        <header className="flex h-14 shrink-0 items-center gap-2">
          <div className="flex flex-1 items-center gap-2 px-3">
            <SidebarTrigger />
            <Separator
              orientation="vertical"
              className="mr-2 data-[orientation=vertical]:h-4"
            />
            <Breadcrumb>
              <BreadcrumbList>
                <BreadcrumbItem>
                  <BreadcrumbPage className="line-clamp-1">
                    {document.file_name || "Document Details"}
                  </BreadcrumbPage>
                </BreadcrumbItem>
              </BreadcrumbList>
            </Breadcrumb>
          </div>
          <div className="ml-auto px-3">
            <NavActions />
          </div>
        </header>
        <div
          className="prose mx-auto px-4 py-10
                    text-white
                    prose-h1:font-semibold prose-h1:text-2xl prose-h1:mb-4 prose-h1:text-white
                    prose-h2:font-medium prose-h2:text-xl prose-h2:mb-3 prose-h2:text-white
                    prose-a:text-blue-400 hover:prose-a:underline
                    prose-p:leading-7 prose-p:text-gray-200
                    prose-blockquote:italic prose-blockquote:border-l-4 prose-blockquote:pl-4 prose-blockquote:border-gray-600 prose-blockquote:text-gray-300
                    prose-code:bg-gray-800 prose-code:rounded prose-code:px-1 prose-code:py-0.5 prose-code:text-gray-200
                    prose-img:rounded-lg prose-img:shadow-sm"
          dangerouslySetInnerHTML={{ __html: String(processedContent) }}
        ></div>
      </SidebarInset>
    </SidebarProvider>
  );
}