'use client';

import { DASHBOARD_MODULES, type DashboardModuleGroup, type DashboardModuleId } from '@nexumi/shared';
import {
  Archive,
  BarChart3,
  Cake,
  CalendarClock,
  Coins,
  Gamepad2,
  Gift,
  Hash,
  LayoutGrid,
  MessageSquareQuote,
  MessagesSquare,
  PartyPopper,
  Radio,
  Rss,
  Settings,
  Shield,
  ShieldAlert,
  ShieldCheck,
  SlidersHorizontal,
  Sparkles,
  Star,
  Terminal,
  Ticket,
  UserCheck,
  Volume2,
  type LucideIcon
} from 'lucide-react';
import Image from 'next/image';
import Link from 'next/link';
import { usePathname } from 'next/navigation';
import { useTranslations } from '@/components/locale-provider';
import { cn } from '@/lib/utils';

const MODULE_GROUP_ORDER: DashboardModuleGroup[] = [
  'moderation',
  'engagement',
  'community',
  'utility',
  'integrations'
];

const MODULE_ICONS: Record<DashboardModuleId, LucideIcon> = {
  moderation: Shield,
  automod: ShieldAlert,
  logging: Hash,
  welcome: PartyPopper,
  verification: UserCheck,
  leveling: Sparkles,
  economy: Coins,
  fun: Gamepad2,
  giveaways: Gift,
  tickets: Ticket,
  selfroles: UserCheck,
  tags: MessageSquareQuote,
  starboard: Star,
  suggestions: MessagesSquare,
  birthdays: Cake,
  tempvoice: Volume2,
  stats: BarChart3,
  feeds: Rss,
  scheduler: CalendarClock,
  guildbackup: Archive
};

interface SidebarNavProps {
  guildId: string;
  onNavigate?: () => void;
  className?: string;
}

function NavLink({
  href,
  active,
  onNavigate,
  children
}: {
  href: string;
  active: boolean;
  onNavigate?: () => void;
  children: React.ReactNode;
}) {
  return (
    <Link
      href={href}
      onClick={onNavigate}
      className={cn(
        'flex items-center gap-2.5 rounded-md px-2.5 py-2 text-sm font-medium transition-colors',
        active
          ? 'border-l-2 border-primary bg-primary/10 pl-2 text-foreground'
          : 'border-l-2 border-transparent text-muted-foreground hover:bg-accent/60 hover:text-foreground'
      )}
    >
      {children}
    </Link>
  );
}

export function SidebarNav({ guildId, onNavigate, className }: SidebarNavProps) {
  const pathname = usePathname();
  const t = useTranslations();
  const base = `/dashboard/${guildId}`;

  const groups = MODULE_GROUP_ORDER.map((group) => ({
    group,
    modules: DASHBOARD_MODULES.filter((module) => module.group === group)
  }));

  return (
    <nav className={cn('flex h-full flex-col gap-5 overflow-y-auto px-3 py-4', className)}>
      <Link
        href={base}
        onClick={onNavigate}
        className="mb-1 flex items-center gap-2.5 rounded-md px-2.5 py-1.5 transition-opacity hover:opacity-90"
      >
        <Image src="/nexumi-logo.svg" alt="" width={28} height={28} className="size-7" />
        <span className="text-base font-semibold tracking-tight">Nexumi</span>
      </Link>

      <div className="flex flex-col gap-0.5">
        <NavLink href={base} active={pathname === base} onNavigate={onNavigate}>
          <LayoutGrid className="size-4 shrink-0" />
          {t('nav.overview')}
        </NavLink>
        <NavLink href={`${base}/settings`} active={pathname === `${base}/settings`} onNavigate={onNavigate}>
          <Settings className="size-4 shrink-0" />
          {t('nav.settings')}
        </NavLink>
        <NavLink href={`${base}/modules`} active={pathname === `${base}/modules`} onNavigate={onNavigate}>
          <SlidersHorizontal className="size-4 shrink-0" />
          {t('nav.modules')}
        </NavLink>
        <NavLink href={`${base}/access`} active={pathname === `${base}/access`} onNavigate={onNavigate}>
          <ShieldCheck className="size-4 shrink-0" />
          {t('nav.access')}
        </NavLink>
        <NavLink href={`${base}/commands`} active={pathname === `${base}/commands`} onNavigate={onNavigate}>
          <Terminal className="size-4 shrink-0" />
          {t('nav.commands')}
        </NavLink>
      </div>

      {groups.map(({ group, modules }) => (
        <div key={group} className="flex flex-col gap-0.5">
          <p className="mb-1 px-2.5 text-[11px] font-semibold uppercase tracking-wider text-muted-foreground/80">
            {t(`moduleGroups.${group}`)}
          </p>
          {modules.map((module) => {
            const href = `${base}/${module.href}`;
            const Icon = MODULE_ICONS[module.id] ?? Radio;
            return (
              <NavLink key={module.id} href={href} active={pathname === href} onNavigate={onNavigate}>
                <Icon className="size-4 shrink-0" />
                {t(`modules.${module.id}.label`)}
              </NavLink>
            );
          })}
        </div>
      ))}
    </nav>
  );
}

/** Desktop sidebar chrome. */
export function Sidebar({ guildId }: { guildId: string }) {
  return (
    <aside className="hidden h-screen w-60 shrink-0 border-r border-border bg-card/40 lg:sticky lg:top-0 lg:block">
      <SidebarNav guildId={guildId} />
    </aside>
  );
}