"use client";
import React, { useState } from "react";
import { Play, Star, ShieldCheck, X } from "lucide-react";
import { motion, AnimatePresence } from "motion/react";
import Link from "next/link";
import SafeImage from "./SafeImage";
import { useSettingsStore } from "../lib/store/settingsStore";
import { videoService, Video } from "../lib/services/videoService";

export interface TestimonialItem {
  id?: string;
  authorName?: string;
  roleTitle?: string;
  avatarUrl?: string;
  content?: string;
  clinicName?: string;
  vetName?: string;
  imageUrl?: string;
  quote?: string;
  title?: string;
  thumbnail?: string;
  videoUrl?: string;
  description?: string;
  isActive?: boolean;
}

const FALLBACK_VIDEOS = [
  {
    id: "v1",
    title: "نحوه آماده‌سازی کانی‌هیدروکس GAG",
    doctor: "دکتر کلاوس هنینگ",
    duration: "۰۱:۴۵",
    thumbnail: "https://images.unsplash.com/photo-1576091160550-217359f42f8c?auto=format&fit=crop&q=80&w=400",
    videoUrl: "https://www.w3schools.com/html/mov_bbb.mp4",
    description: "آموزش گام به گام آماده‌سازی پودر Canhydrox GAG برای جذب حداکثری در دستگاه گوارش."
  },
  {
    id: "v2",
    title: "اهمیت صدف لب‌سبز",
    doctor: "دکتر النا اشمیت",
    duration: "۰۲:۲۰",
    thumbnail: "https://images.unsplash.com/photo-1599443015574-be5fe8a05783?auto=format&fit=crop&q=80&w=400",
    videoUrl: "https://www.w3schools.com/html/movie.mp4",
    description: "چرا صدف لب‌سبز نیوزیلندی نایاب‌ترین و موثرترین ماده برای بازسازی مفصل است؟"
  },
  {
    id: "v3",
    title: "تغذیه هوشمند توله‌سگ‌ها",
    doctor: "دکتر هلگا فیشر",
    duration: "۰۳:۱۰",
    thumbnail: "/assets/images/regenerated_image_1779109861747.png",
    videoUrl: "https://www.w3schools.com/html/mov_bbb.mp4",
    description: "دوز مصرفی مکمل‌های کلسیم در نژادهای بزرگ برای جلوگیری از بدشکلی‌های استخوانی."
  }
];

interface DisplayVideoItem {
  id: string;
  title?: string;
  doctor?: string;
  duration?: string;
  thumbnail?: string;
  videoUrl?: string;
  description?: string;
  quote?: string;
  imageUrl?: string;
  vetName?: string;
}

export default function VetGallery({ testimonials = [] }: { testimonials?: TestimonialItem[] }) {
  const getText = useSettingsStore(state => state.getText);
  const [apiVideos, setApiVideos] = useState<Video[]>([]);
  const [selectedVideo, setSelectedVideo] = useState<DisplayVideoItem | null>(null);

  React.useEffect(() => {
    videoService.getVideos({ featured: true, limit: 3 }).then((data) => {
      if (data && data.length > 0) {
        setApiVideos(data);
      }
    });
  }, []);

  const activeTestimonials = testimonials.filter(t => t.isActive !== false);
  const displayItems: DisplayVideoItem[] = activeTestimonials.length > 0 
    ? activeTestimonials.map((t, idx) => ({
        id: t.id || `t-${idx}`,
        title: (t.authorName || t.vetName || '') + (t.roleTitle ? ` — ${t.roleTitle}` : (t.clinicName ? ` — ${t.clinicName}` : '')),
        doctor: (t.authorName || t.vetName || '') + (t.roleTitle ? ` (${t.roleTitle})` : ''),
        duration: "۰۲:۰۰",
        thumbnail: t.avatarUrl || t.imageUrl || "https://images.unsplash.com/photo-1576091160550-217359f42f8c?auto=format&fit=crop&q=80&w=400",
        videoUrl: "https://www.w3schools.com/html/mov_bbb.mp4",
        description: t.content || t.quote || '',
        quote: t.content || t.quote || ''
      }))
    : (apiVideos.length > 0 ? apiVideos : FALLBACK_VIDEOS);

  return (
    <section className="py-24 bg-white font-vazir" dir="rtl">
      <div className="max-w-7xl mx-auto px-4">
        <div className="flex flex-col md:flex-row md:items-end justify-between mb-16 gap-6">
          <div className="max-w-2xl">
            <div className="inline-flex items-center gap-2 px-3 py-1 bg-canina-blue/10 text-canina-blue rounded-full text-[10px] font-black uppercase tracking-widest mb-4">
              <Star className="w-3 h-3" />
              {getText('videos_badge', "Vet Insights")}
            </div>
            <h2 className="text-4xl md:text-5xl font-black text-medical-gray-900 leading-tight font-lalezar tracking-wide">
               {getText('videos_title', "مشاوره ویدئویی")} <span className="text-canina-blue underline decoration-4 decoration-canina-blue/20 underline-offset-8">{getText('videos_title_highlight', "دوست دامپزشک پت شما")}</span>
            </h2>
            <p className="text-lg text-medical-gray-500 font-medium mt-6">
               {getText('videos_desc', "تیم علمی و فرموله‌کنندگان کمپانی کنینا در آلمان مستقیماً با شما صحبت می‌کنند؛ آشنایی با نحوه مصرف، مزایای بالینی و دانش پزشکی پشت هر محصول.")}
             </p>
          </div>
          <Link 
            href="/videos"
            className="inline-flex items-center gap-2 text-canina-blue font-bold text-sm hover:translate-x-1 transition-transform rtl:hover:-translate-x-1"
          >
            {getText('videos_view_all', "مشاهده همه ویدئوها")}
            <Play className="w-4 h-4" />
          </Link>
        </div>

        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
          {displayItems.map((video, index) => (
            <motion.button
              key={video.id}
              whileHover={{ y: -8 }}
              onClick={() => setSelectedVideo(video)}
              className="w-full text-right block group cursor-pointer focus-visible:ring-4 focus-visible:ring-canina-blue/30 focus-visible:outline-none rounded-[2rem] p-2"
            >
              <div className="relative aspect-video rounded-[2rem] overflow-hidden mb-4 shadow-xl">
                <div className="absolute inset-0 bg-medical-gray-900/20 group-hover:bg-transparent transition-colors z-10" />
                <SafeImage 
                  src={video.thumbnail || video.imageUrl || '/images/vets/vet1.webp'} 
                  alt={video.title || video.vetName || 'ویدیو دامپزشک'} 
                  className="w-full h-full"
                  imgClassName="object-cover grayscale-[30%] group-hover:grayscale-0 transition-all duration-700"
                />
                <div className="absolute inset-0 flex items-center justify-center z-20">
                  <div className="w-16 h-16 bg-white/90 backdrop-blur-sm rounded-full flex items-center justify-center text-canina-blue scale-90 group-hover:scale-100 group-hover:bg-white transition-all shadow-xl">
                    <Play className="w-6 h-6 ml-1" />
                  </div>
                </div>
                <div className="absolute bottom-4 right-4 bg-black/60 backdrop-blur-md text-white px-2 py-1 rounded-lg text-xs font-black z-20 font-vazir flex items-center gap-1 shadow-lg">
                  <span>⏱️</span>
                  <span>{video.duration || (index === 0 ? '۱:۴۵' : index === 1 ? '۲:۲۰' : '۳:۱۰')}</span>
                </div>
              </div>
              <h4 className="text-lg font-black text-medical-gray-900 mb-2 group-hover:text-canina-blue transition-colors leading-tight font-vazir">
                {video.title || (video.quote ? video.quote.substring(0, 40) + '...' : '')}
              </h4>
              <div className="flex items-center gap-2 text-medical-gray-500 font-bold text-sm font-vazir">
                <ShieldCheck className="w-4 h-4 text-canina-blue" />
                {video.doctor || video.vetName}
              </div>
            </motion.button>
          ))}
        </div>
      </div>

      {/* Video Modal */}
      <AnimatePresence>
        {selectedVideo && (
          <div className="fixed inset-0 z-[110] flex items-center justify-center p-4">
            <motion.div 
               initial={{ opacity: 0 }}
               animate={{ opacity: 1 }}
               exit={{ opacity: 0 }}
               onClick={() => setSelectedVideo(null)}
               className="absolute inset-0 bg-medical-gray-900/90 backdrop-blur-xl"
            />
            <motion.div
              initial={{ opacity: 0, scale: 0.9 }}
              animate={{ opacity: 1, scale: 1 }}
              exit={{ opacity: 0, scale: 0.9 }}
              className="bg-black w-full max-w-5xl aspect-video rounded-[3rem] overflow-hidden relative z-10 shadow-2xl border border-white/10"
            >
               <button 
                 onClick={() => setSelectedVideo(null)}
                 className="absolute top-6 left-6 text-white/50 hover:text-white z-20 transition-colors bg-black/20 p-2 rounded-full"
               >
                 <X className="w-8 h-8" />
               </button>
               <video 
                 src={selectedVideo.videoUrl} 
                 controls 
                 autoPlay 
                 className="w-full h-full object-contain"
               />
               <div className="absolute bottom-0 left-0 right-0 p-8 bg-gradient-to-t from-black/80 to-transparent">
                  <h3 className="text-white text-2xl font-black mb-2">{selectedVideo.title}</h3>
                  <p className="text-white/60 text-sm font-medium">{selectedVideo.doctor}</p>
               </div>
            </motion.div>
          </div>
        )}
      </AnimatePresence>
    </section>
  );
}