import Link from 'next/link';
import VisualLinkPreview from '@/components/blog/VisualLinkPreview';
import { Callout } from '@/components/ui';
import HighlightBox from '@/components/blog/HighlightBox';
import Stats from '@/components/blog/Stats';
import AnimatedImage from '@/components/blog/AnimatedImage';
import ChatBubble from '@/components/blog/ChatBubble';
import SplitHeading from '@/components/blog/SplitHeading';
import PowerCTA from '@/components/blog/PowerCTA';
import StickyNarrative from '@/components/blog/StickyNarrative';
import TechnicalGrid from '@/components/blog/TechnicalGrid';
import ComparisonGrid from '@/components/blog/ComparisonGrid';

export const mdxComponents = {
  VisualLinkPreview,
  Callout,
  HighlightBox,
  Stats,
  AnimatedImage,
  ChatBubble,
  PowerCTA,
  SplitHeading,
  StickyNarrative,
  TechnicalGrid,
  ComparisonGrid,
  h1: () => null,
  a: ({ href, children, ...props }: any) => {
    // Special handling for PDF downloads to make them prominent
    if (href?.endsWith('.pdf')) {
      return (
        <a
          href={href}
          {...props}
          target="_blank"
          rel="noopener noreferrer"
          className="inline-flex items-center gap-3 px-6 py-3 bg-primary text-white font-bold rounded-xl hover:bg-accent hover:text-primary-dark transition-all duration-300 no-underline my-8 group shadow-lg hover:shadow-xl hover:-translate-y-1"
        >
          <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
          </svg>
          <span>{children}</span>
          <span className="text-xs opacity-50 font-normal group-hover:opacity-100 transition-opacity">(PDF)</span>
        </a>
      );
    }

    if (href?.startsWith('/')) {
      return (
        <Link href={href} {...props} className="text-primary font-medium hover:underline decoration-2 underline-offset-2 transition-all">
          {children}
        </Link>
      );
    }
    return (
      <a
        href={href}
        {...props}
        target="_blank"
        rel="noopener noreferrer"
        className="text-primary font-medium hover:underline decoration-2 underline-offset-2 transition-all inline-flex items-center gap-1"
      >
        {children}
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
        </svg>
      </a>
    );
  },
  img: (props: any) => (
    <AnimatedImage src={props.src} alt={props.alt} />
  ),
  h2: ({ children, ...props }: any) => {
    const id = typeof children === 'string'
      ? children.toLowerCase().replace(/[^\w\s-]/g, '').replace(/\s+/g, '-')
      : props.id;
    return (
      <SplitHeading {...props} id={id} className="mt-16 mb-6 pb-3 border-b-2 border-primary/20">
        {children}
      </SplitHeading>
    );
  },
  h3: ({ children, ...props }: any) => {
    const id = typeof children === 'string'
      ? children.toLowerCase().replace(/[^\w\s-]/g, '').replace(/\s+/g, '-')
      : props.id;
    return (
      <h3 {...props} id={id} className="text-2xl font-bold text-text-primary mt-12 mb-4">
        {children}
      </h3>
    );
  },
  p: ({ children, ...props }: any) => (
    <p {...props} className="text-lg text-text-secondary leading-relaxed mb-6">
      {children}
    </p>
  ),
  ul: ({ children, ...props }: any) => (
    <ul {...props} className="my-8 space-y-3">
      {children}
    </ul>
  ),
  ol: ({ children, ...props }: any) => (
    <ol {...props} className="my-8 space-y-3 list-decimal list-inside">
      {children}
    </ol>
  ),
  li: ({ children, ...props }: any) => (
    <li {...props} className="text-lg text-text-secondary flex items-start gap-3">
      <span className="text-primary mt-1.5 flex-shrink-0">
        <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
          <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clipRule="evenodd" />
        </svg>
      </span>
      <span className="flex-1">{children}</span>
    </li>
  ),
  blockquote: ({ children, ...props }: any) => (
    <blockquote {...props} className="my-8 pl-6 border-l-4 border-primary bg-neutral-light/30 py-4 pr-6 rounded-r-lg">
      <div className="text-lg text-text-primary italic">
        {children}
      </div>
    </blockquote>
  ),
  strong: ({ children, ...props }: any) => (
    <strong {...props} className="font-bold text-primary">
      {children}
    </strong>
  ),
  code: ({ children, ...props }: any) => (
    <code {...props} className="px-2 py-1 bg-neutral-light text-primary rounded font-mono text-sm">
      {children}
    </code>
  ),
  pre: ({ children, ...props }: any) => (
    <pre {...props} className="my-8 p-6 bg-neutral-dark/5 rounded-xl overflow-x-auto">
      {children}
    </pre>
  ),
  table: ({ children, ...props }: any) => (
    <div className="my-8 overflow-x-auto rounded-lg border border-neutral-200 shadow-sm">
      <table {...props} className="w-full text-left text-sm text-text-secondary">
        {children}
      </table>
    </div>
  ),
  thead: ({ children, ...props }: any) => (
    <thead {...props} className="bg-neutral-50 text-text-primary font-semibold border-b border-neutral-200">
      {children}
    </thead>
  ),
  tbody: ({ children, ...props }: any) => (
    <tbody {...props} className="divide-y divide-neutral-200 bg-white">
      {children}
    </tbody>
  ),
  tr: ({ children, ...props }: any) => (
    <tr {...props} className="hover:bg-neutral-50/50 transition-colors">
      {children}
    </tr>
  ),
  th: ({ children, ...props }: any) => (
    <th {...props} className="px-6 py-4 whitespace-nowrap">
      {children}
    </th>
  ),
  td: ({ children, ...props }: any) => (
    <td {...props} className="px-6 py-4">
      {children}
    </td>
  ),
};
