import type { Metadata } from "next";
import { db, recipes, users, eq, desc } from "@epicure/db";
import { Badge } from "@/components/ui/badge";
import Link from "next/link";

export const metadata: Metadata = {};

const VISIBILITY_COLORS = {
  public: "default",
  unlisted: "outline",
  private: "secondary",
} as const;

export default async function AdminRecipesPage() {
  const publicRecipes = await db
    .select({
      id: recipes.id,
      title: recipes.title,
      visibility: recipes.visibility,
      createdAt: recipes.createdAt,
      authorName: users.name,
      authorId: users.id,
    })
    .from(recipes)
    .leftJoin(users, eq(recipes.authorId, users.id))
    .where(eq(recipes.visibility, "public"))
    .orderBy(desc(recipes.createdAt))
    .limit(200);

  return (
    <div className="space-y-6">
      <div>
        <h1 className="text-2xl font-bold tracking-tight">Recipe Moderation</h1>
        <p className="text-muted-foreground text-sm mt-1">
          Public recipes sorted by newest. Review and decide manually.
        </p>
      </div>

      <div className="rounded-md border">
        <table className="w-full text-sm">
          <thead className="border-b bg-muted/50">
            <tr>
              <th className="px-4 py-3 text-left font-medium">Title</th>
              <th className="px-4 py-3 text-left font-medium">Author</th>
              <th className="px-4 py-3 text-left font-medium">Visibility</th>
              <th className="px-4 py-3 text-left font-medium">Created</th>
              <th className="px-4 py-3 text-left font-medium">Link</th>
            </tr>
          </thead>
          <tbody>
            {publicRecipes.length === 0 ? (
              <tr>
                <td colSpan={5} className="px-4 py-8 text-center text-muted-foreground">
                  No public recipes yet.
                </td>
              </tr>
            ) : (
              publicRecipes.map((recipe) => (
                <tr key={recipe.id} className="border-b last:border-0 hover:bg-muted/30">
                  <td className="px-4 py-3 font-medium">{recipe.title}</td>
                  <td className="px-4 py-3 text-muted-foreground">
                    {recipe.authorId ? (
                      <Link
                        href={`/admin/users/${recipe.authorId}`}
                        className="hover:underline underline-offset-4"
                      >
                        {recipe.authorName ?? "Unknown"}
                      </Link>
                    ) : (
                      <span>{recipe.authorName ?? "Unknown"}</span>
                    )}
                  </td>
                  <td className="px-4 py-3">
                    <Badge variant={VISIBILITY_COLORS[recipe.visibility]}>
                      {recipe.visibility}
                    </Badge>
                  </td>
                  <td className="px-4 py-3 text-muted-foreground">
                    {recipe.createdAt.toLocaleDateString()}
                  </td>
                  <td className="px-4 py-3">
                    <Link
                      href={`/r/${recipe.id}`}
                      className="text-primary underline-offset-4 hover:underline text-xs"
                      target="_blank"
                      rel="noopener noreferrer"
                    >
                      View
                    </Link>
                  </td>
                </tr>
              ))
            )}
          </tbody>
        </table>
      </div>
    </div>
  );
}