"use client";
import Link from "next/link";
import { usePathname } from "next/navigation";
import { LayoutDashboard, UploadCloud, ShieldAlert, Cctv, Map as MapIcon, Radio, FlaskConical } from "lucide-react";
import { cn } from "@/lib/utils";
import { Badge } from "@/components/ui/badge";

const NAV = [
  { href: "/", label: "Command Center", icon: LayoutDashboard },
  { href: "/upload", label: "Upload & Analyze", icon: UploadCloud },
  { href: "/violations", label: "Violations", icon: ShieldAlert },
  { href: "/cameras", label: "Live Cameras", icon: Cctv },
  { href: "/playground", label: "Model Playground", icon: FlaskConical },
  { href: "/map", label: "Hotspot Map", icon: MapIcon },
];

export default function Shell({ children }: { children: React.ReactNode }) {
  const path = usePathname();
  return (
    <div className="flex min-h-full">
      <aside className="w-64 shrink-0 border-r border-border bg-card p-4 flex flex-col gap-1.5">
        <div className="px-2 py-3 mb-2">
          <div className="text-xl font-extrabold tracking-wide flex items-center gap-2">
            <Radio className="size-5 text-accent" />
            DRISHTI<span className="text-accent">·</span>ITMS
          </div>
          <div className="text-xs text-muted-foreground mt-1 pl-7">
            AI Traffic Violation Enforcement
          </div>
        </div>
        {NAV.map((n) => {
          const active = path === n.href;
          const Icon = n.icon;
          return (
            <Link
              key={n.href}
              href={n.href}
              className={cn(
                "flex items-center gap-3 px-3 py-2 rounded-lg text-sm font-medium transition-colors",
                active ? "bg-accent/15 text-accent" : "text-muted-foreground hover:bg-secondary hover:text-foreground"
              )}
            >
              <Icon className="size-4 shrink-0" />
              {n.label}
            </Link>
          );
        })}
        <div className="mt-auto rounded-lg border border-border bg-secondary/50 p-3 text-xs text-muted-foreground">
          <div className="flex items-center gap-2 mb-1">
            <span className="size-2 rounded-full bg-[var(--success)] animate-pulse" /> Engine online
          </div>
          Any-camera enforcement · edge + cloud
        </div>
      </aside>
      <main className="flex-1 min-w-0">
        <header className="h-14 border-b border-border bg-card/60 backdrop-blur flex items-center justify-between px-6 sticky top-0 z-30">
          <div className="text-sm text-muted-foreground">
            Bengaluru Traffic Police · ASTraM-compatible
          </div>
          <div className="flex items-center gap-3 text-sm">
            <Badge variant="success" className="gap-1.5">
              <span className="size-1.5 rounded-full bg-[var(--success)] animate-pulse" /> Live
            </Badge>
            <span className="text-muted-foreground">Officer: aman</span>
          </div>
        </header>
        <div className="p-6">{children}</div>
      </main>
    </div>
  );
}