import { Link } from 'react-router-dom';
import type { HeroVideoSectionPayload } from '@homaroma/types';
import { useTranslation } from 'react-i18next';
import { getLocalizedField } from '../utils/localization';

interface DynamicHeroVideoProps {
  payload: HeroVideoSectionPayload;
}

export default function DynamicHeroVideo({ payload }: DynamicHeroVideoProps) {
  const { t, i18n } = useTranslation();
  const lang = i18n.language;

  const tagline = getLocalizedField(payload.tagline, lang);
  const title = getLocalizedField(payload.title, lang);
  const description = getLocalizedField(payload.description, lang);
  const buttonText = getLocalizedField(payload.buttonText, lang);
  const secondaryButtonText = getLocalizedField(payload.secondaryButtonText, lang);

  const videoUrl = payload.videoUrl;
  const posterImageUrl = payload.posterImageUrl;
  const overlayOpacity = typeof payload.overlayOpacity === 'number' ? payload.overlayOpacity : 40;
  const height = payload.height || 'large';

  const focalPoint = typeof payload.focalPoint === 'object' && payload.focalPoint ? (payload.focalPoint as { x: string, y: string }) : undefined;

  const getHeightClass = (h: string) => {
    switch (h) {
      case 'full':
        return 'h-screen';
      case 'medium':
        return 'h-[60vh] min-h-[400px]';
      case 'large':
      default:
        return 'h-[85vh] min-h-[550px]';
    }
  };

  const renderTitle = (text: string) => {
    if (!text) return null;
    return text.split('[').map((part, i) => {
      if (part.includes(']')) {
        const [accent, rest] = part.split(']');
        return (
          <span key={i}>
            <span className="text-pop-pink font-serif italic font-normal">
              {accent}
            </span>
            {rest}
          </span>
        );
      }
      return <span key={i}>{part}</span>;
    });
  };

  return (
    <section
      className={`relative w-full ${getHeightClass(height)} overflow-hidden flex items-center justify-center`}
      style={{ backgroundColor: payload.backgroundColor || '#0B0F17', color: payload.textColor || '#FFFFFF' }}
    >
      {/* Background Video */}
      {videoUrl ? (
        <video
          autoPlay={payload.autoplay !== false}
          muted={payload.muted !== false}
          loop={payload.loop !== false}
          playsInline
          poster={posterImageUrl}
          className="absolute inset-0 w-full h-full object-cover z-0"
          style={{ objectPosition: focalPoint ? `${focalPoint.x} ${focalPoint.y}` : undefined }}
        >
          <source src={videoUrl} type="video/mp4" />
          <source src={videoUrl} type="video/webm" />
          {posterImageUrl && (
            <img
              src={posterImageUrl}
              alt="Hero fallback"
              className="w-full h-full object-cover"
              style={{ objectPosition: focalPoint ? `${focalPoint.x} ${focalPoint.y}` : undefined }}
            />
          )}
        </video>
      ) : posterImageUrl ? (
        <img
          src={posterImageUrl}
          alt="Hero Poster"
          className="absolute inset-0 w-full h-full object-cover z-0"
          style={{ objectPosition: focalPoint ? `${focalPoint.x} ${focalPoint.y}` : undefined }}
        />
      ) : null}

      {/* Customizable Overlay Opacity */}
      <div
        className="absolute inset-0 z-10 bg-black transition-opacity"
        style={{ opacity: overlayOpacity / 100 }}
      ></div>

      {/* Overlay Typography Content */}
      <div className="relative z-20 mx-auto px-6 py-16 w-full max-w-5xl text-center space-y-6 flex flex-col items-center justify-center animate-fade-in">
        {tagline && (
          <p className="text-xs md:text-sm font-semibold uppercase tracking-[0.35em] text-pop-pink/90 drop-shadow-md">
            {tagline}
          </p>
        )}

        <h1 className="font-serif text-4xl md:text-6xl lg:text-7xl font-light leading-tight tracking-wide drop-shadow-lg text-white">
          {renderTitle(title) || renderTitle(t('hero.defaultTitle'))}
        </h1>

        {description && (
          <p className="max-w-2xl text-sm md:text-lg font-light leading-relaxed opacity-90 drop-shadow">
            {description}
          </p>
        )}

        {/* Dual Action Buttons */}
        {(buttonText || secondaryButtonText) && (
          <div className="flex flex-wrap items-center justify-center gap-4 pt-4">
            {buttonText && payload.buttonLink && (
              <Link
                to={payload.buttonLink}
                className="px-8 py-3.5 bg-white text-neutral-900 font-medium text-xs uppercase tracking-widest hover:bg-pop-pink hover:text-white transition-all shadow-lg rounded-sm"
              >
                {buttonText}
              </Link>
            )}

            {secondaryButtonText && payload.secondaryButtonLink && (
              <Link
                to={payload.secondaryButtonLink}
                className="px-8 py-3.5 bg-transparent border border-white/40 text-white font-medium text-xs uppercase tracking-widest hover:bg-white/10 hover:border-white transition-all rounded-sm backdrop-blur-sm"
              >
                {secondaryButtonText}
              </Link>
            )}
          </div>
        )}
      </div>
    </section>
  );
}