import type { Metadata } from "next";
import { db } from "@epicure/db";
import { users } from "@epicure/db";
import { desc } from "@epicure/db";
import { Badge } from "@/components/ui/badge";
import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { CreateUserDialog } from "@/components/admin/create-user-dialog";
import Link from "next/link";

export const metadata: Metadata = {};

const ROLE_COLORS = {
  user: "secondary",
  moderator: "outline",
  admin: "destructive",
} as const;

const TIER_COLORS = {
  free: "secondary",
  pro: "default",
} as const;

export default async function AdminUsersPage() {
  const allUsers = await db
    .select()
    .from(users)
    .orderBy(desc(users.createdAt))
    .limit(100);

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <h1 className="text-2xl font-bold tracking-tight">Users</h1>
        <CreateUserDialog />
      </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">User</th>
              <th className="px-4 py-3 text-left font-medium">Role</th>
              <th className="px-4 py-3 text-left font-medium">Tier</th>
              <th className="px-4 py-3 text-left font-medium">Joined</th>
            </tr>
          </thead>
          <tbody>
            {allUsers.map((user) => (
              <tr key={user.id} className="border-b last:border-0 hover:bg-muted/30">
                <td className="px-4 py-3">
                  <Link href={`/admin/users/${user.id}`} className="flex items-center gap-3 group">
                    <Avatar className="h-8 w-8">
                      <AvatarImage src={user.avatarUrl ?? ""} />
                      <AvatarFallback className="text-xs">
                        {user.name.slice(0, 2).toUpperCase()}
                      </AvatarFallback>
                    </Avatar>
                    <div>
                      <div className="font-medium group-hover:underline underline-offset-4">{user.name}</div>
                      <div className="text-muted-foreground text-xs">{user.email}</div>
                    </div>
                  </Link>
                </td>
                <td className="px-4 py-3">
                  <Badge variant={ROLE_COLORS[user.role]}>{user.role}</Badge>
                </td>
                <td className="px-4 py-3">
                  <Badge variant={TIER_COLORS[user.tier]}>{user.tier}</Badge>
                </td>
                <td className="px-4 py-3 text-muted-foreground">
                  {user.createdAt.toLocaleDateString()}
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      </div>
    </div>
  );
}
