import { NavLink } from "react-router-dom";
import {
  Activity,
  Anvil,
  Eye,
  Gauge,
  Hammer,
  LogOut,
  Terminal,
  Wifi,
  WifiOff,
} from "lucide-react";
import { cn } from "@/lib/utils";
import { clearStoredAuth } from "@/lib/auth";
import { useNavigate } from "react-router-dom";
import type { WsConnectionState } from "@/hooks/useFleetWebSocket";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";

const navItems = [
  { to: "/dashboard", label: "Dashboard", icon: Gauge },
  { to: "/forge", label: "Forge", icon: Hammer },
  { to: "/calibrate", label: "Calibrate", icon: Activity },
  { to: "/crucible", label: "Crucible", icon: Terminal },
  { to: "/seer", label: "Seer", icon: Eye },
];

interface SidebarProps {
  wsState?: WsConnectionState;
}

export function Sidebar({ wsState = "disconnected" }: SidebarProps) {
  const navigate = useNavigate();

  const handleLogout = () => {
    clearStoredAuth();
    navigate("/login");
  };

  const wsBadge =
    wsState === "connected"
      ? { variant: "online" as const, label: "WS LIVE", icon: Wifi }
      : wsState === "connecting"
        ? { variant: "probing" as const, label: "WS CONNECTING", icon: Wifi }
        : { variant: "offline" as const, label: "WS OFFLINE", icon: WifiOff };

  const WsIcon = wsBadge.icon;

  return (
    <aside className="flex h-full w-56 flex-col border-r border-deck-border bg-deck-surface/80 backdrop-blur-sm">
      <div className="border-b border-deck-border p-4">
        <div className="flex items-center gap-2">
          <div className="flex h-8 w-8 items-center justify-center rounded-md border border-deck-accent/40 bg-deck-accent/10">
            <Anvil className="h-4 w-4 text-deck-accent" />
          </div>
          <div>
            <p className="text-sm font-semibold tracking-wide text-deck-text">
              AetherForge
            </p>
            <p className="font-mono text-[10px] uppercase text-deck-muted">
              Command Deck
            </p>
          </div>
        </div>
      </div>

      <nav className="flex-1 space-y-1 p-3">
        {navItems.map(({ to, label, icon: Icon }) => (
          <NavLink
            key={to}
            to={to}
            className={({ isActive }) =>
              cn(
                "flex items-center gap-3 rounded-md px-3 py-2 text-sm font-medium transition-colors",
                isActive
                  ? "bg-deck-accent/10 text-deck-accent border border-deck-accent/30"
                  : "text-deck-muted hover:bg-deck-panel hover:text-deck-text",
              )
            }
          >
            <Icon className="h-4 w-4" />
            {label}
          </NavLink>
        ))}
      </nav>

      <div className="space-y-3 border-t border-deck-border p-4">
        <Badge variant={wsBadge.variant} className="w-full justify-center gap-1.5">
          <WsIcon className="h-3 w-3" />
          {wsBadge.label}
        </Badge>
        <Button
          variant="ghost"
          size="sm"
          className="w-full justify-start text-deck-muted"
          onClick={handleLogout}
        >
          <LogOut className="h-4 w-4" />
          Sign out
        </Button>
      </div>
    </aside>
  );
}