import { A, useLocation } from '@solidjs/router';
import { For, Show } from 'solid-js';
import {
  Bell,
  Briefcase,
  ClipboardList,
  FileText,
  FolderCog,
  HandHelping,
  LayoutGrid,
  Percent,
  Receipt,
  Sparkles,
  UserCircle2,
  Users,
  WalletCards,
} from 'lucide-solid';

type Item = {
  href: string;
  label: string;
  iconPath?: string;
  icon?: any;
  aliasPrefix?: string;
  separatorBefore?: boolean;
};

const items: Item[] = [
  { href: '/admin', label: 'Dashboard', iconPath: '/sidebar-icons/dashboard.svg', icon: LayoutGrid },
  { href: '/admin/roles', label: 'Internal Role Management', iconPath: '/sidebar-icons/role.svg', icon: FolderCog },
  { href: '/admin/runtime-roles', label: 'External Role Management', iconPath: '/sidebar-icons/users.svg', icon: Users },
  { href: '/admin/onboarding-management', label: 'External Onboarding', iconPath: '/sidebar-icons/users.svg', icon: Users, aliasPrefix: '/admin/onboarding-schemas' },
  { href: '/admin/internal-dashboard-management', label: 'Internal Dashboards', iconPath: '/sidebar-icons/dashboard.svg', icon: LayoutGrid },
  { href: '/admin/external-dashboard-management', label: 'External Dashboards', iconPath: '/sidebar-icons/dashboard.svg', icon: LayoutGrid, aliasPrefix: '/admin/role-ui-configs' },
  { href: '/admin/approval', label: 'Approval Management', iconPath: '/sidebar-icons/approval.svg', icon: ClipboardList },
  { href: '/admin/department', label: 'Department Management', iconPath: '/sidebar-icons/department.svg', icon: Briefcase, separatorBefore: true },
  { href: '/admin/designation', label: 'Designation Management', iconPath: '/sidebar-icons/designation.svg', icon: Briefcase },
  { href: '/admin/employees', label: 'Employee Management', iconPath: '/sidebar-icons/users.svg', icon: UserCircle2 },
  { href: '/admin/users', label: 'Users Management', iconPath: '/sidebar-icons/users.svg', icon: Users },
  { href: '/admin/company', label: 'Company Management', iconPath: '/sidebar-icons/company.svg', icon: Briefcase },
  { href: '/admin/candidate', label: 'Candidate Management', iconPath: '/sidebar-icons/candidate.svg', icon: UserCircle2 },
  { href: '/admin/customer', label: 'Customer Management', iconPath: '/sidebar-icons/support.svg', icon: UserCircle2 },
  { href: '/admin/photographer', label: 'Photographer Management', iconPath: '/sidebar-icons/photographer.svg', icon: Sparkles, separatorBefore: true },
  { href: '/admin/makeup-artist', label: 'Makeup Artist Management', iconPath: '/sidebar-icons/makeup-artist.svg', icon: Sparkles },
  { href: '/admin/tutors', label: 'Tutors Management', iconPath: '/sidebar-icons/tutor.svg', icon: Sparkles },
  { href: '/admin/developers', label: 'Developers Management', iconPath: '/sidebar-icons/developers.svg', icon: Sparkles },
  { href: '/admin/jobs', label: 'Jobs Management', iconPath: '/sidebar-icons/jobs.svg', icon: Briefcase },
  { href: '/admin/leads', label: 'Leads Management', iconPath: '/sidebar-icons/leads.svg', icon: HandHelping },
  { href: '/admin/pricing', label: 'Pricing Management', iconPath: '/sidebar-icons/pricing.svg', icon: WalletCards },
  { href: '/admin/credit', label: 'Credit Management', iconPath: '/sidebar-icons/credits.svg', icon: WalletCards },
  { href: '/admin/coupon', label: 'Coupon Management', iconPath: '/sidebar-icons/coupon.svg', icon: Percent },
  { href: '/admin/discount', label: 'Discount Management', iconPath: '/sidebar-icons/discount.svg', icon: Percent },
  { href: '/admin/tax', label: 'Tax Management', iconPath: '/sidebar-icons/tax.svg', icon: Receipt },
  { href: '/admin/order', label: 'Order Management', iconPath: '/sidebar-icons/order.svg', icon: FileText },
  { href: '/admin/invoice', label: 'Invoice Management', iconPath: '/sidebar-icons/invoice.svg', icon: FileText },
  { href: '/admin/review', label: 'Review Management', iconPath: '/sidebar-icons/reviews.svg', icon: FileText },
  { href: '/admin/support', label: 'Support Management', iconPath: '/sidebar-icons/support.svg', icon: UserCircle2 },
  { href: '/admin/report', label: 'Report Management', iconPath: '/sidebar-icons/report.svg', icon: Bell },
  { href: '/admin/ledger', label: 'Ledger Management', iconPath: '/sidebar-icons/ledger.svg', icon: Receipt },
  { href: '/admin/kb', label: 'Knowledge Base', icon: FileText },
  { href: '/admin/notifications', label: 'Notifications', icon: Bell },
];

function renderIcon(item: Item, isActive: boolean) {
  if (item.iconPath) {
    return <img src={item.iconPath} alt="" class={`h-[18px] w-[18px] object-contain ${isActive ? 'opacity-95' : 'opacity-70'}`} />;
  }
  const Icon = item.icon || FileText;
  return <Icon size={18} class={isActive ? 'text-[#0f172a]' : 'text-slate-500'} />;
}

export default function AdminSidebar(props: { onNavigate?: () => void; onLogout?: () => void }) {
  const location = useLocation();

  const active = (item: Item) => {
    if (item.href === '/admin') return location.pathname === '/admin';
    if (item.aliasPrefix && location.pathname.startsWith(item.aliasPrefix)) return true;
    return location.pathname === item.href || location.pathname.startsWith(`${item.href}/`);
  };

  return (
    <aside class="flex h-full w-[310px] flex-col border-r border-[#d7d8df] bg-[#f6f6f8]">
      <nav class="scrollbar flex-1 overflow-y-auto px-6 py-5">
        <For each={items}>
          {(item) => {
            const isActive = active(item);
            return (
              <>
                <Show when={item.separatorBefore}>
                  <div class="my-4 border-t border-[#dfdfe5]" />
                </Show>
                <A
                  href={item.href}
                  onClick={() => props.onNavigate?.()}
                  class={`group relative mb-1.5 flex min-h-[48px] items-center gap-3 rounded-xl px-4 text-[17px] font-medium leading-tight transition ${
                    isActive ? 'bg-[#ffece3] text-[#fd6216]' : 'text-[#2f3647] hover:bg-white hover:text-[#111827]'
                  }`}
                >
                  <span class={`absolute bottom-0 left-0 top-0 w-[4px] rounded-r-md bg-[#fd6216] transition-opacity ${isActive ? 'opacity-100' : 'opacity-0'}`} />
                  {renderIcon(item, isActive)}
                  <span class="truncate">{item.label}</span>
                </A>
              </>
            );
          }}
        </For>
      </nav>

      <div class="border-t border-[#dfdfe5] px-6 py-5">
        <button
          type="button"
          onClick={() => props.onLogout?.()}
          class="flex h-[50px] w-full items-center gap-3 rounded-xl px-4 text-left text-[17px] font-semibold text-[#c51d1d] transition hover:bg-[#fff1f1]"
        >
          <svg class="h-[18px] w-[18px]" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
            <path stroke-linecap="round" stroke-linejoin="round" d="M17 16l4-4m0 0l-4-4m4 4H9m8 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h8a3 3 0 013 3v1" />
          </svg>
          <span>Sign Out</span>
        </button>
      </div>
    </aside>
  );
}