import React, { useState } from 'react'
import { Link, usePage } from '@inertiajs/react'

const navItems = [
  { label: 'Profile',       href: '/dashboard/profile',   icon: 'fa-solid fa-user' },
  // Future: { label: 'Notifications', href: '/dashboard/notifications', icon: 'fa-solid fa-bell' },
  // Future: { label: 'Privacy',       href: '/dashboard/privacy',       icon: 'fa-solid fa-shield-halved' },
]

function NavLink({ item, active, onClick }) {
  return (
    <Link
      href={item.href}
      onClick={onClick}
      className={`flex items-center gap-3 px-4 py-2.5 rounded-xl text-sm font-medium transition-all duration-200 ${
        active
          ? 'bg-accent/20 text-accent shadow-sm shadow-accent/10'
          : 'text-slate-400 hover:text-white hover:bg-white/5'
      }`}
    >
      <i className={`${item.icon} w-5 text-center text-base`} />
      <span>{item.label}</span>
    </Link>
  )
}

function SidebarContent({ isActive, onNavigate }) {
  return (
    <>
      <div className="mb-6">
        <h2 className="text-xs font-semibold uppercase tracking-wider text-slate-500 px-4 mb-2">Settings</h2>
      </div>

      <nav className="space-y-1 flex-1">
        {navItems.map((item) => (
          <NavLink key={item.href} item={item} active={isActive(item.href)} onClick={onNavigate} />
        ))}
      </nav>

      <div className="mt-auto pt-6 space-y-2">
        <Link
          href="/studio"
          className="flex items-center gap-2 px-4 py-2 rounded-xl text-sm text-slate-400 hover:text-white hover:bg-white/5 transition-colors"
          onClick={onNavigate}
        >
          <i className="fa-solid fa-palette w-5 text-center" />
          Creator Studio
        </Link>
      </div>
    </>
  )
}

export default function SettingsLayout({ children, title }) {
  const { url } = usePage()
  const [mobileOpen, setMobileOpen] = useState(false)

  const isActive = (href) => url.startsWith(href)

  return (
    <div className="min-h-screen bg-nova-900">
      {/* Mobile top bar */}
      <div className="lg:hidden flex items-center justify-between px-4 py-3 border-b border-white/10 bg-nova-900/80 backdrop-blur-xl sticky top-16 z-30">
        <h1 className="text-lg font-bold text-white">Settings</h1>
        <button
          onClick={() => setMobileOpen(!mobileOpen)}
          className="text-slate-400 hover:text-white p-2"
          aria-label="Toggle navigation"
        >
          <i className={`fa-solid ${mobileOpen ? 'fa-xmark' : 'fa-bars'} text-xl`} />
        </button>
      </div>

      {/* Mobile nav overlay */}
      {mobileOpen && (
        <div className="lg:hidden fixed inset-0 z-40 bg-black/60 backdrop-blur-sm" onClick={() => setMobileOpen(false)}>
          <nav
            className="absolute left-0 top-0 bottom-0 w-72 bg-nova-900 border-r border-white/10 p-4 pt-20 space-y-1"
            onClick={(e) => e.stopPropagation()}
          >
            <SidebarContent isActive={isActive} onNavigate={() => setMobileOpen(false)} />
          </nav>
        </div>
      )}

      <div className="flex">
        {/* Desktop sidebar */}
        <aside className="hidden lg:flex flex-col w-64 min-h-[calc(100vh-4rem)] border-r border-white/10 bg-nova-900/60 backdrop-blur-xl p-4 pt-6 sticky top-16 self-start">
          <SidebarContent isActive={isActive} />
        </aside>

        {/* Main content */}
        <main className="flex-1 min-w-0 px-4 lg:px-8 pt-4 pb-8 max-w-4xl">
          {title && (
            <h1 className="text-2xl font-bold text-white mb-6">{title}</h1>
          )}
          {children}
        </main>
      </div>
    </div>
  )
}