import type { ReactNode } from "react"
import { NavLink, useLocation, useNavigate } from "react-router-dom"
import { BellRing, CalendarClock, Globe, LogOut, Users, LayoutTemplate, SquareTerminal } from "lucide-react"
import { useAuth } from "@/auth/AuthContext"
import { Button } from "@/components/ui/button"
import { cn } from "@/lib/utils"

const NAV = [
  { to: "/domains", label: "Domains", icon: Globe },
  { to: "/accounts", label: "Accounts", icon: Users },
  { to: "/templates", label: "Templates", icon: LayoutTemplate },
  { to: "/schedule", label: "Schedule", icon: CalendarClock },
  { to: "/channels", label: "Channels", icon: BellRing },
] as const

export function Layout({ children }: { children: ReactNode }) {
  const location = useLocation()
  const navigate = useNavigate()
  const { user, logout } = useAuth()

  async function onLogout() {
    await logout()
    navigate("/login", { replace: true })
  }

  return (
    <div className="flex h-screen w-full overflow-hidden bg-background text-foreground">
      <aside className="flex w-60 shrink-0 flex-col border-r border-sidebar-border bg-sidebar text-sidebar-foreground">
        <div className="flex items-center gap-2 border-b border-sidebar-border px-4 py-4">
          <SquareTerminal className="size-4 text-primary" strokeWidth={1.75} />
          <div className="flex flex-col leading-none">
            <span className="text-sm font-semibold tracking-tight">
              DNS Autoresolver
            </span>
            <span className="font-dns text-[10px] tracking-wider text-muted-foreground uppercase">
              console
            </span>
          </div>
        </div>

        <nav className="flex-1 space-y-0.5 overflow-y-auto px-2 py-3">
          {NAV.map(({ to, label, icon: Icon }) => (
            <NavLink
              key={to}
              to={to}
              className={({ isActive }) =>
                cn(
                  "group flex items-center gap-2.5 rounded-md border-l-2 border-transparent px-2.5 py-2 text-sm font-medium text-muted-foreground transition-colors",
                  "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
                  isActive &&
                    "border-primary bg-sidebar-accent text-sidebar-accent-foreground",
                )
              }
            >
              <Icon className="size-4 shrink-0" strokeWidth={1.75} />
              <span className="flex-1">{label}</span>
              <span className="font-dns text-[10px] text-muted-foreground/60 group-hover:text-muted-foreground">
                {to}
              </span>
            </NavLink>
          ))}
        </nav>

        <div className="flex items-center justify-between border-t border-sidebar-border px-4 py-3 font-dns text-[11px] text-muted-foreground">
          <span>v0.1.0-dev</span>
          <span className="flex items-center gap-1.5">
            <span
              className="size-1.5 rounded-full"
              style={{ background: "var(--diff-insync)" }}
              aria-hidden
            />
            in sync
          </span>
        </div>
      </aside>

      <div className="flex flex-1 flex-col overflow-hidden">
        <header className="flex h-11 shrink-0 items-center justify-between border-b border-border px-6">
          <span className="font-dns text-xs text-muted-foreground">
            {location.pathname}
          </span>
          {user && (
            <div className="flex items-center gap-3">
              <span className="font-dns text-xs text-muted-foreground">{user.email}</span>
              <Button variant="ghost" size="sm" onClick={onLogout}>
                <LogOut className="size-3.5" strokeWidth={1.75} />
                Выйти
              </Button>
            </div>
          )}
        </header>
        <main className="flex-1 overflow-auto">{children}</main>
      </div>
    </div>
  )
}