"use client";

import { useEffect, useState } from "react";
import { api } from "@/lib/api";
import type { Destination, BlogPost, FAQ, Testimonial, Tool, Visa, Stats, ChartData } from "@/lib/types";
import Loader from "./Loader";
import ParticleCanvas from "./ParticleCanvas";
import Navbar from "./Navbar";
import TickerBar from "./TickerBar";
import Hero from "./Hero";
import WorldMap from "./WorldMap";
import Destinations from "./Destinations";
import Calculator from "./Calculator";
import TripPlanner from "./TripPlanner";
import GlobalSearch from "./GlobalSearch";
import Lifestyle from "./Lifestyle";
import Charts from "./Charts";
import VisaSection from "./VisaSection";
import Tools from "./Tools";
import BlogSection from "./BlogSection";
import FAQSection from "./FAQSection";
import Community from "./Community";
import Footer from "./Footer";
import CompareModal from "./CompareModal";
import DestinationMatcher, { MatcherTrigger } from "./DestinationMatcher";
import TimezoneBoard from "./TimezoneBoard";
import ScrollProgress from "./ScrollProgress";
import SectionNav from "./SectionNav";
import CurrencyConverter from "./CurrencyConverter";
import NomadScore from "./NomadScore";
import CostCompare from "./CostCompare";
import CookieConsent from "./CookieConsent";
import CoworkingGuide from "./CoworkingGuide";
import PackingChecklist from "./PackingChecklist";
import SeasonGuide from "./SeasonGuide";
import NomadTips from "./NomadTips";
import SpinGlobe from "./SpinGlobe";
import FlightCost from "./FlightCost";
import NomadEvents from "./NomadEvents";
import WifiWorkScore from "./WifiWorkScore";
import SavingsGoal from "./SavingsGoal";
import DailyQuote from "./DailyQuote";
import JetLagEstimator from "./JetLagEstimator";
import HousingGuide from "./HousingGuide";
import Phrasebook from "./Phrasebook";
import FeedbackWidget from "./FeedbackWidget";
import InsuranceGuide from "./InsuranceGuide";
import ExpenseTracker from "./ExpenseTracker";
import SimGuide from "./SimGuide";
import TaxDayCounter from "./TaxDayCounter";
import ArrivalChecklist from "./ArrivalChecklist";
import CafeGuide from "./CafeGuide";
import OnboardingTour from "./OnboardingTour";
import PowerPlugGuide from "./PowerPlugGuide";
import EmergencyContacts from "./EmergencyContacts";
import CityNotes from "./CityNotes";
import FocusTimer from "./FocusTimer";
import AtmCashGuide from "./AtmCashGuide";
import KeyboardShortcuts from "./KeyboardShortcuts";
import BackToTop from "./BackToTop";

interface Props {
  stats: Stats;
  ticker: string[];
  destinations: Destination[];
  visas: Visa[];
  faqs: FAQ[];
  testimonials: Testimonial[];
  tools: Tool[];
  blog: BlogPost[];
  charts: { cost: ChartData; speed: ChartData; growth: ChartData; radar: ChartData };
}

export default function HomeClient(props: Props) {
  const [compareList, setCompareList] = useState<string[]>([]);
  const [compareResults, setCompareResults] = useState<Destination[] | null>(null);
  const [compareOpen, setCompareOpen] = useState(false);
  const [matcherOpen, setMatcherOpen] = useState(false);

  useEffect(() => {
    const onMatcher = () => setMatcherOpen(true);
    window.addEventListener("open-matcher", onMatcher);
    return () => window.removeEventListener("open-matcher", onMatcher);
  }, []);

  useEffect(() => {
    const reveals = document.querySelectorAll(".reveal");
    const observer = new IntersectionObserver(
      (entries) => entries.forEach((e) => { if (e.isIntersecting) { e.target.classList.add("visible"); observer.unobserve(e.target); } }),
      { threshold: 0.1, rootMargin: "0px 0px -50px 0px" }
    );
    reveals.forEach((el, i) => {
      (el as HTMLElement).style.transitionDelay = `${(i % 6) * 0.1}s`;
      observer.observe(el);
    });
    return () => observer.disconnect();
  }, []);

  const toggleCompare = (slug: string) => {
    setCompareList((prev) => {
      if (prev.includes(slug)) return prev.filter((s) => s !== slug);
      if (prev.length >= 4) return prev;
      return [...prev, slug];
    });
    setCompareResults(null);
  };

  const runCompare = async () => {
    if (compareList.length < 2) return;
    try {
      const data = await api.compareDestinations(compareList);
      setCompareResults(data);
      setCompareOpen(true);
    } catch { /* ignore */ }
  };

  return (
    <>
      <ScrollProgress />
      <Loader />
      <ParticleCanvas />
      <Navbar />
      <GlobalSearch />
      <TickerBar messages={props.ticker} />
      <Hero stats={props.stats} />
      <WorldMap destinations={props.destinations} />
      <Destinations destinations={props.destinations} onCompare={toggleCompare} compareList={compareList} onOpenMatcher={() => setMatcherOpen(true)} />
      <SpinGlobe destinations={props.destinations} />
      <DailyQuote />
      <TimezoneBoard destinations={props.destinations} />
      <JetLagEstimator destinations={props.destinations} />
      <TripPlanner destinations={props.destinations} />
      <Calculator destinations={props.destinations} />
      <CostCompare destinations={props.destinations} />
      <SavingsGoal destinations={props.destinations} />
      <ExpenseTracker />
      <TaxDayCounter />
      <FlightCost destinations={props.destinations} />
      <CurrencyConverter />
      <WifiWorkScore destinations={props.destinations} />
      <FocusTimer />
      <NomadScore />
      <Lifestyle />
      <Charts {...props.charts} />
      <VisaSection visas={props.visas} />
      <InsuranceGuide />
      <EmergencyContacts destinations={props.destinations} />
      <AtmCashGuide destinations={props.destinations} />
      <CoworkingGuide />
      <HousingGuide destinations={props.destinations} />
      <SimGuide destinations={props.destinations} />
      <PowerPlugGuide destinations={props.destinations} />
      <CafeGuide destinations={props.destinations} />
      <SeasonGuide destinations={props.destinations} />
      <PackingChecklist />
      <ArrivalChecklist destinations={props.destinations} />
      <Phrasebook destinations={props.destinations} />
      <CityNotes destinations={props.destinations} />
      <NomadEvents />
      <Tools tools={props.tools} />
      <BlogSection posts={props.blog} />
      <FAQSection faqs={props.faqs} />
      <Community testimonials={props.testimonials} />
      <Footer />
      <BackToTop />
      <SectionNav />
      <MatcherTrigger onClick={() => setMatcherOpen(true)} />
      <DestinationMatcher destinations={props.destinations} open={matcherOpen} onClose={() => setMatcherOpen(false)} />
      <KeyboardShortcuts onOpenMatcher={() => setMatcherOpen(true)} />
      <CookieConsent />
      <NomadTips />
      <FeedbackWidget />
      <OnboardingTour />

      {compareList.length > 0 && (
        <div className="compare-bar">
          <span>⚖️ 已选 {compareList.length}/4</span>
          <button className="btn btn-primary" onClick={runCompare} disabled={compareList.length < 2}>对比城市</button>
          <button className="btn btn-ghost" onClick={() => { setCompareList([]); setCompareResults(null); }}>清空</button>
        </div>
      )}

      {compareOpen && compareResults && (
        <CompareModal destinations={compareResults} onClose={() => setCompareOpen(false)} />
      )}
    </>
  );
}