import { ReactNode } from "react";
import { Link, useLocation, useNavigate } from "react-router-dom";
import { LayoutDashboard, Server, Terminal, Settings, LogOut, Menu, X, Building2, MapPin } from "lucide-react";
import { useState } from "react";
import { useAuth } from "../hooks/useAuth";
import { Button } from "./Button";

interface LayoutProps {
  children: ReactNode;
}

const navItems = [
  { path: "/", label: "Dashboard", icon: LayoutDashboard },
  { path: "/clients", label: "Clients", icon: Building2 },
  { path: "/sites", label: "Sites", icon: MapPin },
  { path: "/agents", label: "Agents", icon: Server },
  { path: "/commands", label: "Commands", icon: Terminal },
  { path: "/settings", label: "Settings", icon: Settings },
];

export function Layout({ children }: LayoutProps) {
  const [sidebarOpen, setSidebarOpen] = useState(false);
  const location = useLocation();
  const navigate = useNavigate();
  const { user, logout } = useAuth();

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

  return (
    <div className="min-h-screen bg-[hsl(var(--background))]">
      {/* Mobile header */}
      <div className="lg:hidden flex items-center justify-between p-4 border-b border-[hsl(var(--border))]">
        <span className="font-bold text-lg">GuruRMM</span>
        <Button variant="ghost" size="icon" onClick={() => setSidebarOpen(!sidebarOpen)}>
          {sidebarOpen ? <X className="h-5 w-5" /> : <Menu className="h-5 w-5" />}
        </Button>
      </div>

      <div className="flex">
        {/* Sidebar */}
        <aside
          className={`fixed inset-y-0 left-0 z-50 w-64 bg-[hsl(var(--card))] border-r border-[hsl(var(--border))] transform transition-transform duration-200 lg:translate-x-0 lg:static ${
            sidebarOpen ? "translate-x-0" : "-translate-x-full"
          }`}
        >
          <div className="flex flex-col h-full">
            <div className="p-6 hidden lg:block">
              <h1 className="text-xl font-bold">GuruRMM</h1>
            </div>

            <nav className="flex-1 px-4 space-y-1 mt-4 lg:mt-0">
              {navItems.map((item) => {
                const isActive = location.pathname === item.path;
                return (
                  <Link
                    key={item.path}
                    to={item.path}
                    onClick={() => setSidebarOpen(false)}
                    className={`flex items-center gap-3 px-3 py-2 rounded-md text-sm font-medium transition-colors ${
                      isActive
                        ? "bg-[hsl(var(--primary))] text-[hsl(var(--primary-foreground))]"
                        : "text-[hsl(var(--foreground))] hover:bg-[hsl(var(--muted))]"
                    }`}
                  >
                    <item.icon className="h-5 w-5" />
                    {item.label}
                  </Link>
                );
              })}
            </nav>

            <div className="p-4 border-t border-[hsl(var(--border))]">
              <div className="flex items-center gap-3 mb-3">
                <div className="h-8 w-8 rounded-full bg-[hsl(var(--primary))] flex items-center justify-center text-[hsl(var(--primary-foreground))] text-sm font-medium">
                  {user?.name?.[0] || user?.email?.[0] || "U"}
                </div>
                <div className="flex-1 min-w-0">
                  <p className="text-sm font-medium truncate">{user?.name || user?.email}</p>
                  <p className="text-xs text-[hsl(var(--muted-foreground))] truncate">
                    {user?.role}
                  </p>
                </div>
              </div>
              <Button
                variant="ghost"
                className="w-full justify-start"
                onClick={handleLogout}
              >
                <LogOut className="h-4 w-4 mr-2" />
                Sign out
              </Button>
            </div>
          </div>
        </aside>

        {/* Overlay for mobile */}
        {sidebarOpen && (
          <div
            className="fixed inset-0 bg-black/50 z-40 lg:hidden"
            onClick={() => setSidebarOpen(false)}
          />
        )}

        {/* Main content */}
        <main className="flex-1 p-6 lg:p-8">{children}</main>
      </div>
    </div>
  );
}