'use client';

import Link from 'next/link';
import { usePathname } from 'next/navigation';

import { dashboardNavigation } from '@/lib/constants/navigation';
import { cn } from '@/lib/utils/cn';
import { isNavigationItemActive } from '@/lib/utils/navigation';
import { useAppShellStore } from '@/store/app-shell';
import type { NavigationIconKey, NavigationItem } from '@/types/navigation';

function SidebarIcon({ icon }: { icon: NavigationIconKey }) {
  const commonProps = {
    className: 'h-[18px] w-[18px]',
    fill: 'none',
    stroke: 'currentColor',
    strokeWidth: 1.8,
    strokeLinecap: 'round' as const,
    strokeLinejoin: 'round' as const,
    viewBox: '0 0 24 24',
  };

  switch (icon) {
    case 'home':
      return (
        <svg {...commonProps}>
          <path d='M3 10.5 12 3l9 7.5' />
          <path d='M5.5 9.5V21h13V9.5' />
          <path d='M9.5 21v-6h5v6' />
        </svg>
      );
    case 'node':
      return (
        <svg {...commonProps}>
          <rect x='4' y='4' width='6' height='6' rx='1.5' />
          <rect x='14' y='4' width='6' height='6' rx='1.5' />
          <rect x='9' y='14' width='6' height='6' rx='1.5' />
          <path d='M10 7h4M12 10v4' />
        </svg>
      );
    case 'website':
      return (
        <svg {...commonProps}>
          <circle cx='12' cy='12' r='8.5' />
          <path d='M3.5 12h17' />
          <path d='M12 3.5c2.4 2.2 3.8 5.2 3.8 8.5S14.4 18.3 12 20.5C9.6 18.3 8.2 15.3 8.2 12S9.6 5.7 12 3.5Z' />
        </svg>
      );
    case 'domain':
      return (
        <svg {...commonProps}>
          <path d='M4 8.5h16' />
          <path d='M4 15.5h16' />
          <rect x='3.5' y='5' width='17' height='14' rx='3' />
        </svg>
      );
    case 'certificate':
      return (
        <svg {...commonProps}>
          <path d='M7 4.5h10l2 2V14a7 7 0 1 1-14 0V4.5Z' />
          <path d='M9 10h6' />
          <path d='M10 14h4' />
        </svg>
      );
    case 'proxy':
      return (
        <svg {...commonProps}>
          <path d='M7 7h10' />
          <path d='M7 12h10' />
          <path d='M7 17h6' />
          <path d='m14 15 3 2-3 2' />
        </svg>
      );
    case 'release':
      return (
        <svg {...commonProps}>
          <path d='M12 4v10' />
          <path d='m8.5 7.5 3.5-3.5 3.5 3.5' />
          <path d='M5 19.5h14' />
        </svg>
      );
    case 'user':
      return (
        <svg {...commonProps}>
          <circle cx='12' cy='8' r='3.25' />
          <path d='M5 19.5c1.7-3 4.1-4.5 7-4.5s5.3 1.5 7 4.5' />
        </svg>
      );
    case 'setting':
      return (
        <svg {...commonProps}>
          <circle cx='12' cy='12' r='3.5' />
          <path d='M12 3.5v2.2M12 18.3v2.2M20.5 12h-2.2M5.7 12H3.5M18.1 5.9l-1.6 1.6M7.5 16.5l-1.6 1.6M18.1 18.1l-1.6-1.6M7.5 7.5 5.9 5.9' />
        </svg>
      );
  }
}

function SidebarNavItem({
  item,
  currentPath,
  isSidebarCollapsed,
  depth = 0,
}: {
  item: NavigationItem;
  currentPath: string;
  isSidebarCollapsed: boolean;
  depth?: number;
}) {
  const active = isNavigationItemActive(currentPath, item);
  const hasChildren = Boolean(item.children?.length);

  return (
    <div className='space-y-2'>
      <Link
        href={item.href}
        className={cn(
          'flex items-center gap-3 rounded-2xl border px-3 py-3 transition-colors',
          depth > 0 && 'ml-3 rounded-xl py-2.5',
          active
            ? 'border-[var(--border-strong)] bg-[var(--accent-soft)] text-[var(--foreground-primary)]'
            : 'border-transparent text-[var(--foreground-secondary)] hover:border-[var(--border-default)] hover:bg-[var(--surface-muted)] hover:text-[var(--foreground-primary)]',
        )}
      >
        <span className='flex h-9 w-9 shrink-0 items-center justify-center rounded-xl bg-[var(--control-background)] text-[var(--foreground-primary)]'>
          <SidebarIcon icon={item.icon} />
        </span>
        {!isSidebarCollapsed ? (
          <span className='min-w-0 flex-1 text-sm font-medium'>{item.label}</span>
        ) : null}
      </Link>
      {!isSidebarCollapsed && hasChildren ? (
        <div className='space-y-2'>
          {item.children?.map((child) => (
            <SidebarNavItem
              key={child.href}
              item={child}
              currentPath={currentPath}
              isSidebarCollapsed={isSidebarCollapsed}
              depth={depth + 1}
            />
          ))}
        </div>
      ) : null}
    </div>
  );
}

export function DashboardSidebar() {
  const pathname = usePathname();
  const currentPath = pathname ?? '/';
  const isSidebarCollapsed = useAppShellStore((state) => state.isSidebarCollapsed);

  return (
    <aside
      className={cn(
        'sticky top-0 hidden h-screen shrink-0 overflow-hidden border-r border-[var(--border-default)] bg-[var(--surface-panel)]/95 px-3 py-6 backdrop-blur lg:block',
        isSidebarCollapsed ? 'w-24' : 'w-72',
      )}
    >
      <div className='flex h-full flex-col gap-6'>
        <div className='flex items-center gap-3 rounded-2xl border border-[var(--border-default)] bg-[var(--surface-muted)] px-3 py-3'>
          <div className='flex h-11 w-11 items-center justify-center rounded-2xl bg-[var(--brand-primary-soft)] text-lg font-semibold text-[var(--brand-primary)]'>
            AF
          </div>
          {!isSidebarCollapsed ? (
            <div>
              <p className='text-sm font-semibold text-[var(--foreground-primary)]'>ATSFlare</p>
              <p className='text-xs text-[var(--foreground-secondary)]'>控制面新版工程</p>
            </div>
          ) : null}
        </div>

        <nav className='flex-1 space-y-2'>
          <div className='flex max-h-full min-h-0 flex-col gap-2 overflow-y-auto pr-1'>
            {dashboardNavigation.map((item) => (
              <SidebarNavItem
                key={item.href}
                item={item}
                currentPath={currentPath}
                isSidebarCollapsed={isSidebarCollapsed}
              />
            ))}
          </div>
        </nav>

        {!isSidebarCollapsed ? (
          <div className='rounded-2xl border border-[var(--status-success-border)] bg-[var(--status-success-soft)] px-4 py-4 text-xs leading-6 text-[var(--status-success-foreground)]'>
            新版控制台已切换为生产导向的信息架构，核心操作统一收敛到列表与弹窗。
          </div>
        ) : null}
      </div>
    </aside>
  );
}