"use client";

import { useState, useEffect } from "react";
import { Globe, Server, Wrench, Shield, Gamepad2, Code, Activity, Lightbulb, BookOpen, MessageSquare, ArrowRight, Send } from "lucide-react";
import { useLocale, useTranslations } from "next-intl";
import type { JSONContent } from "@tiptap/react";
import RichTextClient from "./RichTextClient";
import CurrentlyReading from "./CurrentlyReading";
import ReadBooks from "./ReadBooks";
import { motion, AnimatePresence } from "framer-motion";
import { TechStackCategory, Hobby } from "@/lib/directus";
import Link from "next/link";
import ActivityFeed from "./ActivityFeed";

const iconMap: Record<string, any> = {
  Globe, Server, Code, Wrench, Shield, Activity, Lightbulb, Gamepad2
};

const About = () => {
  const locale = useLocale();
  const t = useTranslations("home.about");
  const [cmsDoc, setCmsDoc] = useState<JSONContent | null>(null);
  const [techStack, setTechStack] = useState<TechStackCategory[]>([]);
  const [hobbies, setHobbies] = useState<Hobby[]>([]);
  const [isActivityActive, setIsActivityActive] = useState(false);
  const [cmsMessages, setCmsMessages] = useState<Record<string, string>>({});

  useEffect(() => {
    const fetchData = async () => {
      try {
        const [cmsRes, techRes, hobbiesRes, msgRes] = await Promise.all([
          fetch(`/api/content/page?key=home-about&locale=${locale}`),
          fetch(`/api/tech-stack?locale=${locale}`),
          fetch(`/api/hobbies?locale=${locale}`),
          fetch(`/api/messages?locale=${locale}`)
        ]);
        
        const cmsData = await cmsRes.json();
        if (cmsData?.content?.content) setCmsDoc(cmsData.content.content as JSONContent);
        
        const techData = await techRes.json();
        if (techData?.techStack) setTechStack(techData.techStack);
        
        const hobbiesData = await hobbiesRes.json();
        if (hobbiesData?.hobbies) setHobbies(hobbiesData.hobbies);

        const msgData = await msgRes.json();
        if (msgData?.messages) setCmsMessages(msgData.messages);
      } catch (error) {}
    };
    fetchData();
  }, [locale]);

  return (
    <section id="about" className="py-32 px-6 bg-[#fdfcf8] dark:bg-stone-950 transition-colors duration-500">
      <div className="max-w-7xl mx-auto">
        
        <div className="grid grid-cols-1 md:grid-cols-12 gap-6 md:gap-8">
          
          {/* 1. Large Bio Text */}
          <motion.div 
            initial={{ opacity: 0, y: 30 }}
            whileInView={{ opacity: 1, y: 0 }}
            viewport={{ once: true }}
            className="md:col-span-8 bg-white dark:bg-stone-900 rounded-[3rem] p-10 md:p-16 border border-stone-200/60 dark:border-stone-800/60 shadow-sm"
          >
            <div className="space-y-8">
              <h2 className="text-4xl md:text-7xl font-black text-stone-900 dark:text-stone-50 tracking-tighter uppercase">
                {t("title")}<span className="text-liquid-mint">.</span>
              </h2>
              <div className="prose prose-stone dark:prose-invert max-w-none text-xl md:text-2xl font-light leading-relaxed text-stone-600 dark:text-stone-400">
                {cmsDoc ? <RichTextClient doc={cmsDoc} /> : <p>{t("p1")} {t("p2")}</p>}
              </div>
              <div className="pt-8">
                <div className="inline-block bg-liquid-mint/5 px-8 py-4 rounded-3xl border border-liquid-mint/20">
                   <p className="text-[10px] font-black uppercase tracking-[0.3em] text-liquid-mint mb-2">{t("funFactTitle")}</p>
                   <p className="text-base font-bold opacity-90">{t("funFactBody")}</p>
                </div>
              </div>
            </div>
          </motion.div>

          {/* 2. Activity / Status Box */}
          <motion.div 
            initial={{ opacity: 0, y: 30 }}
            whileInView={{ opacity: 1, y: 0 }}
            viewport={{ once: true }}
            transition={{ delay: 0.1 }}
            className="md:col-span-4 bg-stone-900 rounded-[3rem] p-10 border border-stone-800 shadow-2xl text-white overflow-hidden relative flex flex-col"
          >
            <div className="relative z-10 flex-1">
              <h3 className="text-xl font-black mb-10 flex items-center gap-2 uppercase tracking-widest text-liquid-mint">
                <Activity size={20} /> Currently
              </h3>
              
              <div className="space-y-6">
                <ActivityFeed onActivityChange={(active) => setIsActivityActive(active)} />
                
                {!isActivityActive && (
                  <motion.div 
                    initial={{ opacity: 0 }}
                    animate={{ opacity: 1 }}
                    className="pt-6 border-t border-white/10"
                  >
                    <p className="text-stone-400 italic font-light text-lg">
                      &ldquo;{cmsMessages["about.quote.idle"] || "Gerade am Planen des nächsten großen Projekts."}&rdquo;
                    </p>
                  </motion.div>
                )}
              </div>
            </div>
            {/* Design Element */}
            <div className="absolute -bottom-10 -right-10 w-40 h-40 bg-liquid-mint/10 blur-[80px] rounded-full" />
          </motion.div>

          {/* 3. AI Chat Box (Direct Integration) */}
          <motion.div 
            initial={{ opacity: 0, y: 30 }}
            whileInView={{ opacity: 1, y: 0 }}
            viewport={{ once: true }}
            transition={{ delay: 0.2 }}
            className="md:col-span-12 lg:col-span-4 bg-gradient-to-br from-liquid-purple/10 to-liquid-sky/10 dark:from-stone-900 rounded-[3rem] p-10 border border-liquid-purple/30 dark:border-stone-800/60 flex flex-col justify-between group shadow-sm overflow-hidden relative"
          >
            <div className="relative z-10">
              <div className="flex justify-between items-start mb-10">
                <div className="w-14 h-14 rounded-2xl bg-white dark:bg-stone-800 flex items-center justify-center shadow-lg group-hover:scale-110 transition-transform">
                  <MessageSquare className="text-liquid-purple" size={28} />
                </div>
                <div className="flex -space-x-2">
                  {[1,2,3].map(i => <div key={i} className="w-8 h-8 rounded-full border-2 border-white dark:border-stone-900 bg-stone-200 dark:bg-stone-700 overflow-hidden shadow-sm"><img src={`/images/me.jpg`} className="w-full h-full object-cover" /></div>)}
                </div>
              </div>
              
              <h3 className="text-3xl font-black text-stone-900 dark:text-stone-50 mb-4 tracking-tighter">Ask my AI Twin</h3>
              <p className="text-stone-600 dark:text-stone-400 text-lg font-light leading-relaxed mb-8">Get instant answers about my stack, availability or experience.</p>
              
              <button 
                onClick={() => {
                  const chatBtn = document.querySelector('[aria-label="Open chat"]') as HTMLElement;
                  if (chatBtn) chatBtn.click();
                }}
                className="w-full py-4 bg-white dark:bg-stone-800 rounded-2xl border border-stone-200 dark:border-stone-700 flex items-center justify-between px-6 font-bold text-stone-400 hover:text-stone-900 dark:hover:text-white transition-all shadow-sm"
              >
                <span>Type a message...</span>
                <Send size={18} className="text-liquid-purple" />
              </button>
            </div>
          </motion.div>

          {/* 4. Tech Stack */}
          <motion.div 
            initial={{ opacity: 0, y: 30 }}
            whileInView={{ opacity: 1, y: 0 }}
            viewport={{ once: true }}
            transition={{ delay: 0.3 }}
            className="md:col-span-12 lg:col-span-8 bg-white dark:bg-stone-900 rounded-[3rem] p-10 md:p-16 border border-stone-200/60 dark:border-stone-800/60 shadow-sm"
          >
            <div className="grid grid-cols-1 md:grid-cols-4 gap-12">
              {techStack.map((cat) => (
                <div key={cat.id} className="space-y-6">
                  <h4 className="text-[10px] font-black uppercase tracking-[0.3em] text-stone-400">{cat.name}</h4>
                  <div className="flex flex-wrap gap-2">
                    {cat.items?.map((item: any) => (
                      <span key={item.id} className="px-4 py-2 bg-stone-50 dark:bg-stone-800 rounded-xl text-xs font-bold border border-stone-100 dark:border-stone-700/50 hover:border-liquid-mint transition-colors">
                        {item.name}
                      </span>
                    ))}
                  </div>
                </div>
              ))}
            </div>
          </motion.div>

          {/* 5. Library Link & Hobbies */}
          <motion.div 
            initial={{ opacity: 0, y: 30 }}
            whileInView={{ opacity: 1, y: 0 }}
            viewport={{ once: true }}
            transition={{ delay: 0.4 }}
            className="md:col-span-12 grid grid-cols-1 md:grid-cols-2 gap-8"
          >
            <div className="bg-white dark:bg-stone-900 rounded-[3rem] p-10 border border-stone-200/60 dark:border-stone-800/60 shadow-sm flex flex-col justify-between group overflow-hidden relative">
              <div className="relative z-10">
                <div className="flex justify-between items-center mb-10">
                  <h3 className="text-2xl font-black text-stone-900 dark:text-stone-50 flex items-center gap-3 uppercase tracking-tighter">
                    <BookOpen className="text-liquid-purple" size={24} /> Library
                  </h3>
                  <Link href={`/${locale}/books`} className="group flex items-center gap-2 text-stone-900 dark:text-stone-100 font-black border-b-2 border-stone-900 dark:border-stone-100 pb-1 hover:opacity-70 transition-all">
                    View All <ArrowRight size={14} className="group-hover:translate-x-1 transition-transform" />
                  </Link>
                </div>
                <CurrentlyReading />
              </div>
              <div className="absolute top-0 right-0 w-32 h-32 bg-liquid-purple/5 blur-[60px] rounded-full" />
            </div>

            <div className="bg-white dark:bg-stone-900 rounded-[3rem] p-10 border border-stone-200/60 dark:border-stone-800/60 shadow-sm flex flex-col justify-between">
              <div className="flex flex-wrap gap-4 mb-10">
                {hobbies.map((hobby) => {
                  const Icon = iconMap[hobby.icon] || Lightbulb;
                  return (
                    <div key={hobby.id} className="w-12 h-12 rounded-2xl bg-stone-50 dark:bg-stone-800 flex items-center justify-center shadow-sm border border-stone-100 dark:border-stone-700">
                      <Icon size={20} className="text-liquid-mint" />
                    </div>
                  )
                })}
              </div>
              <div className="space-y-2">
                <h3 className="text-2xl font-black text-stone-900 dark:text-stone-50">{t("hobbiesTitle")}</h3>
                <p className="text-stone-500 font-light text-lg">Curiosity beyond software engineering.</p>
              </div>
            </div>
          </motion.div>

        </div>
      </div>
    </section>
  );
};

export default About;