'use client';

import { useEffect, useMemo, useState } from 'react';
import Link from 'next/link';
import { ListingStatus } from '@prisma/client';
import { useI18n } from '../../../components/I18nProvider';
import type { Locale } from '../../../../lib/i18n';

type ImageInput = { data?: string; url?: string; mimeType?: string; altText?: string };
type SelectedImage = {
  id?: string;
  name: string;
  size: number;
  mimeType: string;
  dataUrl: string;
  isExisting?: boolean;
};

const MAX_IMAGES = 6;
const MAX_IMAGE_BYTES = 5 * 1024 * 1024; // 5 MB per image
const SUPPORTED_LOCALES: Locale[] = ['en', 'fi', 'sv'];
type LocaleFields = { title: string; description: string; teaser: string };

export default function EditListingPage({ params }: { params: { id: string } }) {
  const { t, locale: uiLocale } = useI18n();
  const [slug, setSlug] = useState('');
  const [currentLocale, setCurrentLocale] = useState<Locale>(uiLocale as Locale);
  const [translations, setTranslations] = useState<Record<Locale, LocaleFields>>({
    en: { title: '', description: '', teaser: '' },
    fi: { title: '', description: '', teaser: '' },
    sv: { title: '', description: '', teaser: '' },
  });
  const [suggestedSlugs, setSuggestedSlugs] = useState<Record<Locale, string>>({ en: '', fi: '', sv: '' });
  const [country, setCountry] = useState('Finland');
  const [region, setRegion] = useState('');
  const [city, setCity] = useState('');
  const [streetAddress, setStreetAddress] = useState('');
  const [addressNote, setAddressNote] = useState('');
  const [latitude, setLatitude] = useState<number | ''>('');
  const [longitude, setLongitude] = useState<number | ''>('');
  const [contactName, setContactName] = useState('');
  const [contactEmail, setContactEmail] = useState('');
  const [maxGuests, setMaxGuests] = useState<number | ''>('');
  const [bedrooms, setBedrooms] = useState<number | ''>('');
  const [beds, setBeds] = useState<number | ''>('');
  const [bathrooms, setBathrooms] = useState<number | ''>('');
  const [priceWeekday, setPriceWeekday] = useState<number | ''>('');
  const [priceWeekend, setPriceWeekend] = useState<number | ''>('');
  const [hasSauna, setHasSauna] = useState(true);
  const [hasFireplace, setHasFireplace] = useState(true);
  const [hasWifi, setHasWifi] = useState(true);
  const [petsAllowed, setPetsAllowed] = useState(false);
  const [byTheLake, setByTheLake] = useState(false);
  const [hasAirConditioning, setHasAirConditioning] = useState(false);
  const [hasKitchen, setHasKitchen] = useState(true);
  const [hasDishwasher, setHasDishwasher] = useState(false);
  const [hasWashingMachine, setHasWashingMachine] = useState(false);
  const [hasBarbecue, setHasBarbecue] = useState(false);
  const [hasMicrowave, setHasMicrowave] = useState(false);
  const [hasFreeParking, setHasFreeParking] = useState(false);
  const [hasSkiPass, setHasSkiPass] = useState(false);
  const [evChargingAvailable, setEvChargingAvailable] = useState<boolean>(false);
  const [evChargingOnSite, setEvChargingOnSite] = useState(false);
  const [wheelchairAccessible, setWheelchairAccessible] = useState(false);
  const [calendarUrls, setCalendarUrls] = useState('');
  const [selectedImages, setSelectedImages] = useState<SelectedImage[]>([]);
  const [coverImageIndex, setCoverImageIndex] = useState(1);
  const [message, setMessage] = useState<string | null>(null);
  const [error, setError] = useState<string | null>(null);
  const [loading, setLoading] = useState(false);
  const [slugStatus, setSlugStatus] = useState<'idle' | 'checking' | 'available' | 'taken' | 'error'>('idle');
  const [aiResponse, setAiResponse] = useState('');
  const [copyStatus, setCopyStatus] = useState<'idle' | 'copied' | 'error'>('idle');
  const [aiLoading, setAiLoading] = useState(false);
  const [showManualAi, setShowManualAi] = useState(false);
  const [initialStatus, setInitialStatus] = useState<ListingStatus | null>(null);
  const [loadingListing, setLoadingListing] = useState(true);

  useEffect(() => {
    setCurrentLocale(uiLocale as Locale);
  }, [uiLocale]);

  useEffect(() => {
    async function loadListing() {
      setLoadingListing(true);
      try {
        const res = await fetch(`/api/listings/${params.id}`, { cache: 'no-store' });
        const data = await res.json();
        if (!res.ok) {
          throw new Error(data.error || 'Failed to load listing');
        }
        const listing = data.listing;
        setInitialStatus(listing.status as ListingStatus);
        const translationMap: Record<Locale, LocaleFields> = {
          en: { title: '', description: '', teaser: '' },
          fi: { title: '', description: '', teaser: '' },
          sv: { title: '', description: '', teaser: '' },
        };
        const slugMap: Record<Locale, string> = { en: '', fi: '', sv: '' };
        SUPPORTED_LOCALES.forEach((loc) => {
          const found = listing.translations.find((t: any) => t.locale === loc);
          if (found) {
            translationMap[loc] = {
              title: found.title || '',
              description: found.description || '',
              teaser: found.teaser || '',
            };
            slugMap[loc] = found.slug || '';
          }
        });
        setTranslations(translationMap);
        setSuggestedSlugs(slugMap);
        const primarySlug = slugMap[currentLocale] || slugMap.en || slugMap.fi || slugMap.sv || listing.translations[0]?.slug || '';
        setSlug(primarySlug);
        setCountry(listing.country || '');
        setRegion(listing.region || '');
        setCity(listing.city || '');
        setStreetAddress(listing.streetAddress || '');
        setAddressNote(listing.addressNote || '');
        setLatitude(listing.latitude ?? '');
        setLongitude(listing.longitude ?? '');
        setContactName(listing.contactName || '');
        setContactEmail(listing.contactEmail || '');
        setMaxGuests(listing.maxGuests ?? '');
        setBedrooms(listing.bedrooms ?? '');
        setBeds(listing.beds ?? '');
        setBathrooms(listing.bathrooms ?? '');
        setPriceWeekday(listing.priceWeekdayEuros ?? '');
        setPriceWeekend(listing.priceWeekendEuros ?? '');
        setHasSauna(listing.hasSauna);
        setHasFireplace(listing.hasFireplace);
        setHasWifi(listing.hasWifi);
        setPetsAllowed(listing.petsAllowed);
        setByTheLake(listing.byTheLake);
        setHasAirConditioning(listing.hasAirConditioning);
        setHasKitchen(listing.hasKitchen);
        setHasDishwasher(listing.hasDishwasher);
        setHasWashingMachine(listing.hasWashingMachine);
        setHasBarbecue(listing.hasBarbecue);
        setHasMicrowave(listing.hasMicrowave);
        setHasFreeParking(listing.hasFreeParking);
        setHasSkiPass(listing.hasSkiPass);
        setEvChargingAvailable(listing.evChargingAvailable);
        setEvChargingOnSite(Boolean(listing.evChargingOnSite));
        setWheelchairAccessible(Boolean(listing.wheelchairAccessible));
        setCalendarUrls((listing.calendarUrls || []).join('\n'));
        if (listing.images?.length) {
          const coverIdx = listing.images.find((img: any) => img.isCover)?.order ?? 1;
          setCoverImageIndex(coverIdx);
          setSelectedImages(
            listing.images.map((img: any) => ({
              id: img.id,
              name: img.altText || img.url || `image-${img.id}`,
              size: img.size || 0,
              mimeType: img.mimeType || 'image/jpeg',
              dataUrl: img.url || `/api/images/${img.id}`,
              isExisting: true,
            })),
          );
        }
      } catch (err: any) {
        setError(err.message || 'Failed to load listing');
      } finally {
        setLoadingListing(false);
      }
    }
  loadListing();
}, [params.id]);

  function localeStatus(locale: Locale) {
    const { title, description } = translations[locale];
    if (!title && !description) return 'missing';
    if (title && description) return 'ready';
    return 'partial';
  }

  const aiPrompt = useMemo(() => {
    const payload = {
      task: 'Translate this localization file for a holiday rental listing.',
      instructions: [
        'Preserve meaning, tone, numbers, and any markup.',
        'Return valid JSON only with the same keys.',
        'Fill missing translations; keep existing text unchanged.',
        'Suggest localized slugs based on the title/description; keep them URL-friendly (kebab-case).',
        'If teaser or slug is empty, propose one; otherwise keep the existing value.',
      ],
      sourceLocale: currentLocale,
      targetLocales: SUPPORTED_LOCALES.filter((loc) => loc !== currentLocale),
      locales: SUPPORTED_LOCALES.reduce(
        (acc, loc) => ({
          ...acc,
          [loc]: {
            title: translations[loc].title,
            teaser: translations[loc].teaser,
            description: translations[loc].description,
            slug: suggestedSlugs[loc] || slug,
          },
        }),
        {} as Record<Locale, LocaleFields & { slug?: string }>,
      ),
    };
    return JSON.stringify(payload, null, 2);
  }, [translations, currentLocale, suggestedSlugs, slug]);

  async function readFileAsDataUrl(file: File): Promise<SelectedImage> {
    return new Promise((resolve, reject) => {
      const reader = new FileReader();
      reader.onload = () => {
        resolve({
          name: file.name,
          size: file.size,
          mimeType: file.type || 'image/jpeg',
          dataUrl: String(reader.result),
          isExisting: false,
        });
      };
      reader.onerror = reject;
      reader.readAsDataURL(file);
    });
  }

  function parseImages(): ImageInput[] {
    return selectedImages.map((img, idx) => {
      const isData = img.dataUrl.startsWith('data:');
      const base: ImageInput = {
        mimeType: img.mimeType,
        altText: img.name.replace(/[-_]/g, ' '),
      };
      if (isData) {
        base.data = img.dataUrl;
      } else {
        base.url = img.dataUrl;
      }
      return base;
    });
  }

  async function removeImageAt(index: number) {
    const img = selectedImages[index];
    setError(null);
    setMessage(null);
    const remainingExisting = selectedImages.filter((i) => i.isExisting).length;
    const hasNewImages = selectedImages.some((i, idx) => idx !== index && !i.isExisting);

    if (img?.isExisting && remainingExisting <= 1 && !hasNewImages) {
      setError(t('imageRemoveLastError'));
      return;
    }

    if (img?.isExisting && img.id && remainingExisting > 1) {
      try {
        const res = await fetch(`/api/listings/${params.id}/images/${img.id}`, { method: 'DELETE' });
        const data = await res.json();
        if (!res.ok) {
          setError(data.error || t('imageRemoveFailed'));
          return;
        }
      } catch (err) {
        setError(t('imageRemoveFailed'));
        return;
      }
    }

    const next = selectedImages.filter((_, idx) => idx !== index);
    setSelectedImages(next);
    setCoverImageIndex(next.length ? Math.min(coverImageIndex, next.length) : 1);
  }

  async function handleFileChange(e: React.ChangeEvent<HTMLInputElement>) {
    const files = Array.from(e.target.files ?? []);
    setError(null);
    setMessage(null);
    if (!files.length) return;

    if (files.length > MAX_IMAGES) {
      setError(t('imagesTooMany', { count: MAX_IMAGES }));
      return;
    }

    const tooLarge = files.find((f) => f.size > MAX_IMAGE_BYTES);
    if (tooLarge) {
      setError(t('imagesTooLarge', { sizeMb: Math.floor(MAX_IMAGE_BYTES / 1024 / 1024) }));
      return;
    }

    try {
      const parsed = await Promise.all(files.map(readFileAsDataUrl));
      setSelectedImages(parsed);
      setCoverImageIndex(1);
    } catch (err) {
      setError(t('imagesReadFailed'));
    }
  }

  function toggleEvChargingNearby(next: boolean) {
    setEvChargingAvailable(next);
    if (!next) {
      setEvChargingOnSite(false);
    }
  }

  function toggleEvChargingOnSite(next: boolean) {
    setEvChargingOnSite(next);
    if (next) {
      setEvChargingAvailable(true);
    }
  }

  const amenityOptions = [
    { key: 'sauna', label: t('amenitySauna'), icon: '🧖', checked: hasSauna, toggle: setHasSauna },
    { key: 'fireplace', label: t('amenityFireplace'), icon: '🔥', checked: hasFireplace, toggle: setHasFireplace },
    { key: 'wifi', label: t('amenityWifi'), icon: '📶', checked: hasWifi, toggle: setHasWifi },
    { key: 'pets', label: t('amenityPets'), icon: '🐾', checked: petsAllowed, toggle: setPetsAllowed },
    { key: 'lake', label: t('amenityLake'), icon: '🌊', checked: byTheLake, toggle: setByTheLake },
    { key: 'ac', label: t('amenityAirConditioning'), icon: '❄️', checked: hasAirConditioning, toggle: setHasAirConditioning },
    { key: 'kitchen', label: t('amenityKitchen'), icon: '🍽️', checked: hasKitchen, toggle: setHasKitchen },
    { key: 'dishwasher', label: t('amenityDishwasher'), icon: '🧼', checked: hasDishwasher, toggle: setHasDishwasher },
    { key: 'washer', label: t('amenityWashingMachine'), icon: '🧺', checked: hasWashingMachine, toggle: setHasWashingMachine },
    { key: 'barbecue', label: t('amenityBarbecue'), icon: '🍖', checked: hasBarbecue, toggle: setHasBarbecue },
    { key: 'microwave', label: t('amenityMicrowave'), icon: '🍲', checked: hasMicrowave, toggle: setHasMicrowave },
    { key: 'parking', label: t('amenityFreeParking'), icon: '🅿️', checked: hasFreeParking, toggle: setHasFreeParking },
    { key: 'ski', label: t('amenitySkiPass'), icon: '⛷️', checked: hasSkiPass, toggle: setHasSkiPass },
    { key: 'ev', label: t('amenityEvNearby'), icon: '⚡', checked: evChargingAvailable, toggle: toggleEvChargingNearby },
    { key: 'ev-onsite', label: t('amenityEvOnSite'), icon: '🔌', checked: evChargingOnSite, toggle: toggleEvChargingOnSite },
    { key: 'accessible', label: t('amenityWheelchairAccessible'), icon: '♿', checked: wheelchairAccessible, toggle: setWheelchairAccessible },
  ];

  async function checkSlugAvailability() {
    const value = slug.trim().toLowerCase();
    if (!value) {
      setSlugStatus('idle');
      return;
    }
    setSlugStatus('checking');
    try {
      const res = await fetch(`/api/listings/check-slug?slug=${encodeURIComponent(value)}`, { cache: 'no-store' });
      const data = await res.json();
      if (!res.ok || typeof data.available !== 'boolean') {
        throw new Error('bad response');
      }
      setSlugStatus(data.available ? 'available' : 'taken');
    } catch (err) {
      setSlugStatus('error');
    }
  }

  async function autoTranslate() {
    if (aiLoading) return;
    setMessage(null);
    setError(null);
    setAiLoading(true);
    try {
      const res = await fetch('/api/listings/translate', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ translations, currentLocale }),
      });
      const data = await res.json();
      if (!res.ok || !data.translations) {
        throw new Error('bad response');
      }
      const incoming = data.translations as Record<Locale, LocaleFields & { slug?: string }>;
      setTranslations((prev) => {
        const next = { ...prev };
        SUPPORTED_LOCALES.forEach((loc) => {
          const found = incoming[loc];
          if (found) {
            next[loc] = {
              title: found.title ?? prev[loc].title,
              description: found.description ?? prev[loc].description,
              teaser: found.teaser ?? prev[loc].teaser,
            };
            setSuggestedSlugs((s) => ({ ...s, [loc]: found.slug || s[loc] || slug }));
          }
        });
        return next;
      });
      setMessage(t('aiAutoTranslate'));
    } catch (err) {
      setError(t('aiApplyError'));
    } finally {
      setAiLoading(false);
    }
  }

  function applyAiResponse() {
    try {
      const parsed = JSON.parse(aiResponse);
      if (!parsed?.locales) throw new Error('missing locales');
      setTranslations((prev) => {
        const next = { ...prev };
        SUPPORTED_LOCALES.forEach((loc) => {
          const incoming = parsed.locales[loc];
          if (incoming) {
            next[loc] = {
              title: incoming.title ?? prev[loc].title,
              description: incoming.description ?? prev[loc].description,
              teaser: incoming.teaser ?? prev[loc].teaser,
            };
            if (incoming.slug) {
              setSuggestedSlugs((s) => ({ ...s, [loc]: incoming.slug }));
            }
          }
        });
        return next;
      });
      setMessage(t('aiApplySuccess'));
    } catch (err) {
      setError(t('aiApplyError'));
    }
  }

  async function copyAiPrompt() {
    try {
      if (!navigator?.clipboard) throw new Error('clipboard unavailable');
      await navigator.clipboard.writeText(aiPrompt);
      setCopyStatus('copied');
      setTimeout(() => setCopyStatus('idle'), 1500);
    } catch (err) {
      setCopyStatus('error');
      setTimeout(() => setCopyStatus('idle'), 2000);
    }
  }

  function buildTranslationEntries() {
    return SUPPORTED_LOCALES.map((loc) => ({
      locale: loc,
      title: translations[loc].title.trim(),
      description: translations[loc].description.trim(),
      teaser: translations[loc].teaser.trim(),
      slug: (suggestedSlugs[loc] || slug).trim().toLowerCase(),
    })).filter((t) => t.title && t.description);
  }

  async function submitListing(saveDraft: boolean, e?: React.FormEvent) {
    if (e) e.preventDefault();
    setMessage(null);
    setError(null);
    setLoading(true);
    try {
      const translationEntries = buildTranslationEntries();

      const missing: string[] = [];
      if (!slug.trim()) missing.push(t('slugLabel'));
      if (!saveDraft && translationEntries.length === 0) missing.push(t('translationMissing'));
      if (!saveDraft && !country.trim()) missing.push(t('countryLabel'));
      if (!saveDraft && !region.trim()) missing.push(t('regionLabel'));
      if (!saveDraft && !city.trim()) missing.push(t('cityLabel'));
      if (!saveDraft && !streetAddress.trim()) missing.push(t('streetAddressLabel'));
      if (!saveDraft && !contactName.trim()) missing.push(t('contactNameLabel'));
      if (!saveDraft && !contactEmail.trim()) missing.push(t('contactEmailLabel'));
      if (missing.length) {
        setError(t('missingFields', { fields: missing.join(', ') }));
        setLoading(false);
        return;
      }

      const res = await fetch(`/api/listings/${params.id}`, {
        method: 'PUT',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          saveDraft,
          slug,
          translations: translationEntries.map((t) => ({
            ...t,
            teaser: t.teaser || null,
          })),
          country,
          region,
          city,
          streetAddress,
          addressNote,
          latitude: latitude === '' ? null : latitude,
          longitude: longitude === '' ? null : longitude,
          contactName,
          contactEmail,
          maxGuests,
          bedrooms,
          beds,
          bathrooms,
          priceWeekdayEuros: priceWeekday === '' ? null : Math.round(Number(priceWeekday)),
          priceWeekendEuros: priceWeekend === '' ? null : Math.round(Number(priceWeekend)),
          hasSauna,
          hasFireplace,
          hasWifi,
          petsAllowed,
          byTheLake,
          hasAirConditioning,
          hasKitchen,
          hasDishwasher,
          hasWashingMachine,
          hasBarbecue,
          hasMicrowave,
          hasFreeParking,
          hasSkiPass,
          evChargingAvailable,
          evChargingOnSite,
          wheelchairAccessible,
          coverImageIndex,
          images: selectedImages.length ? parseImages() : undefined,
          calendarUrls,
        }),
      });
      const data = await res.json();
      if (!res.ok) {
        setError(data.error || 'Failed to update listing');
      } else {
        setMessage(saveDraft ? t('createListingSuccess', { id: data.listing.id, status: 'DRAFT' }) : t('createListingSuccess', { id: data.listing.id, status: data.listing.status }));
        setInitialStatus(data.listing.status);
      }
    } catch (err) {
      setError('Failed to update listing');
    } finally {
      setLoading(false);
    }
  }

  if (loadingListing) {
    return (
      <main className="panel" style={{ maxWidth: 720, margin: '40px auto' }}>
        <h1>{t('createListingTitle')}</h1>
        <p>{t('loading')}</p>
      </main>
    );
  }

  return (
    <main className="panel" style={{ maxWidth: 1100, margin: '40px auto' }}>
      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 12, flexWrap: 'wrap' }}>
        <h1>{t('createListingTitle')}</h1>
        <Link href="/listings/mine" className="button secondary">
          {t('myListingsTitle')}
        </Link>
      </div>
      {initialStatus && initialStatus !== ListingStatus.PUBLISHED ? (
        <div className="badge warning" style={{ display: 'inline-block', marginBottom: 12 }}>
          {t('statusLabel')}: {initialStatus}
        </div>
      ) : null}
      <form onSubmit={(e) => submitListing(false, e)} style={{ display: 'grid', gap: 10 }}>
        <div>
          <div style={{ display: 'flex', gap: 8, alignItems: 'center', flexWrap: 'wrap', marginBottom: 6 }}>
            <strong>{t('languageTabsLabel')}</strong>
            <span style={{ color: '#cbd5e1', fontSize: 13 }}>{t('languageTabsHint')}</span>
          </div>
          <div style={{ display: 'flex', gap: 8, flexWrap: 'wrap' }}>
            {SUPPORTED_LOCALES.map((loc) => {
              const status = localeStatus(loc);
              const badge = status === 'ready' ? t('localeReady') : status === 'partial' ? t('localePartial') : t('localeMissing');
              return (
                <button key={loc} type="button" onClick={() => setCurrentLocale(loc)} className={`button ${currentLocale === loc ? '' : 'secondary'}`}>
                  {loc.toUpperCase()} · {badge}
                </button>
              );
            })}
          </div>
        </div>
        <div
          style={{
            display: 'grid',
            gap: 12,
            gridTemplateColumns: 'repeat(auto-fit, minmax(340px, 1fr))',
            alignItems: 'start',
          }}
        >
          <div className="panel" style={{ display: 'grid', gap: 10, border: '1px solid rgba(148,163,184,0.3)', background: 'rgba(255,255,255,0.02)' }}>
            <h3 style={{ margin: 0 }}>{t('localeSectionTitle')}</h3>
            <label>
              {t('titleLabel')}
              <input value={translations[currentLocale].title} onChange={(e) => setTranslations((prev) => ({ ...prev, [currentLocale]: { ...prev[currentLocale], title: e.target.value } }))} />
            </label>
            <label>
              {t('descriptionLabel')}
              <textarea value={translations[currentLocale].description} onChange={(e) => setTranslations((prev) => ({ ...prev, [currentLocale]: { ...prev[currentLocale], description: e.target.value } }))} rows={6} />
            </label>
            <label>
              {t('teaserLabel')}
              <input
                value={translations[currentLocale].teaser}
                onChange={(e) => setTranslations((prev) => ({ ...prev, [currentLocale]: { ...prev[currentLocale], teaser: e.target.value } }))}
                placeholder={t('teaserHelp')}
              />
              <div style={{ color: '#cbd5e1', fontSize: 12 }}>{t('aiOptionalHint')}</div>
            </label>
            <label>
              {t('slugLabel')}
              <input
                value={suggestedSlugs[currentLocale] || slug}
                onChange={(e) => {
                  const val = e.target.value;
                  setSlug(val);
                  setSuggestedSlugs((prev) => ({ ...prev, [currentLocale]: val }));
                }}
                onBlur={checkSlugAvailability}
              />
              <div style={{ color: '#cbd5e1', fontSize: 12, marginTop: 4 }}>{t('slugPreview', { url: `${process.env.NEXT_PUBLIC_SITE_URL ?? 'https://lomavuokraus.fi'}/${suggestedSlugs[currentLocale] || slug || 'your-slug-here'}` })}</div>
              <div style={{ display: 'flex', alignItems: 'center', gap: 8, marginTop: 4, flexWrap: 'wrap' }}>
                <span style={{ color: '#cbd5e1', fontSize: 12 }}>{t('slugHelp')}</span>
                <span style={{ color: '#cbd5e1', fontSize: 12 }}>{t('aiOptionalHint')}</span>
                {slugStatus === 'checking' ? <span style={{ color: '#cbd5e1', fontSize: 12 }}>{t('slugChecking')}</span> : null}
                {slugStatus === 'available' ? <span style={{ color: '#34d399', fontSize: 12 }}>{t('slugAvailable')}</span> : null}
                {slugStatus === 'taken' ? <span style={{ color: '#f87171', fontSize: 12 }}>{t('slugTaken')}</span> : null}
                {slugStatus === 'error' ? <span style={{ color: '#facc15', fontSize: 12 }}>{t('slugCheckError')}</span> : null}
              </div>
            </label>
          </div>
          <div className="panel" style={{ border: '1px solid rgba(148,163,184,0.3)', background: 'rgba(255,255,255,0.02)' }}>
            <h3 style={{ marginTop: 0 }}>{t('aiHelperTitle')}</h3>
            <p style={{ color: '#cbd5e1', marginTop: 4 }}>{t('aiAutoExplain')}</p>
            <div style={{ display: 'flex', gap: 10, marginTop: 8, flexWrap: 'wrap', alignItems: 'center' }}>
              <button type="button" className="button secondary" onClick={autoTranslate} disabled={aiLoading}>
                {aiLoading ? t('aiAutoTranslating') : t('aiAutoTranslate')}
              </button>
              <span style={{ color: '#cbd5e1', fontSize: 13 }}>{t('aiHelperNote')}</span>
            </div>
            <details open={showManualAi} style={{ marginTop: 12 }}>
              <summary style={{ cursor: 'pointer', color: '#cbd5e1' }}>{showManualAi ? t('aiManualLead') : t('aiManualLead')}</summary>
              <div style={{ marginTop: 8, display: 'grid', gap: 6 }}>
                <div style={{ display: 'grid', gap: 6 }}>
                  <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 8, flexWrap: 'wrap' }}>
                    <span>{t('aiPromptLabel')}</span>
                    <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
                      {copyStatus === 'copied' ? <span style={{ color: '#34d399', fontSize: 13 }}>{t('aiPromptCopied')}</span> : null}
                      {copyStatus === 'error' ? <span style={{ color: '#f87171', fontSize: 13 }}>{t('aiCopyError')}</span> : null}
                      <button type="button" className="button secondary" onClick={copyAiPrompt} style={{ minHeight: 0, padding: '8px 12px' }}>
                        {t('aiCopyPrompt')}
                      </button>
                    </div>
                  </div>
                  <textarea value={aiPrompt} readOnly rows={10} style={{ fontFamily: 'monospace' }} />
                </div>
                <label style={{ display: 'grid', gap: 6 }}>
                  <span>{t('aiResponseLabel')}</span>
                  <textarea value={aiResponse} onChange={(e) => setAiResponse(e.target.value)} rows={6} placeholder='{"locales":{"fi":{"title":"..."}}}' style={{ fontFamily: 'monospace' }} />
                </label>
                <div style={{ display: 'flex', gap: 10, marginTop: 4, flexWrap: 'wrap' }}>
                  <button type="button" className="button secondary" onClick={() => applyAiResponse()}>
                    {t('aiApply')}
                  </button>
                </div>
              </div>
            </details>
          </div>
        </div>
        <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(180px, 1fr))' }}>
          <label>
            {t('countryLabel')}
            <input value={country} onChange={(e) => setCountry(e.target.value)} />
          </label>
          <label>
            {t('regionLabel')}
            <input value={region} onChange={(e) => setRegion(e.target.value)} />
          </label>
          <label>
            {t('cityLabel')}
            <input value={city} onChange={(e) => setCity(e.target.value)} />
          </label>
        </div>
        <label>
          {t('streetAddressLabel')}
          <input value={streetAddress} onChange={(e) => setStreetAddress(e.target.value)} />
        </label>
        <label>
          {t('addressNoteLabel')}
          <input value={addressNote} onChange={(e) => setAddressNote(e.target.value)} placeholder={t('addressNotePlaceholder')} />
        </label>
        <label>
          {t('contactNameLabel')}
          <input value={contactName} onChange={(e) => setContactName(e.target.value)} />
        </label>
        <label>
          {t('contactEmailLabel')}
          <input type="email" value={contactEmail} onChange={(e) => setContactEmail(e.target.value)} />
        </label>
        <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(150px, 1fr))' }}>
          <label>
            {t('maxGuestsLabel')}
            <select value={maxGuests} onChange={(e) => setMaxGuests(Number(e.target.value))}>
              {Array.from({ length: 30 }, (_, i) => i + 1).map((n) => (
                <option key={n} value={n}>
                  {n}
                </option>
              ))}
            </select>
          </label>
          <label>
            {t('bedroomsLabel')}
            <select value={bedrooms} onChange={(e) => setBedrooms(Number(e.target.value))}>
              {[0, 1, 2, 3, 4, 5, 6].map((n) => (
                <option key={n} value={n}>
                  {n}
                </option>
              ))}
            </select>
          </label>
          <label>
            {t('bedsLabel')}
            <select value={beds} onChange={(e) => setBeds(Number(e.target.value))}>
              {[1, 2, 3, 4, 5, 6, 8, 10].map((n) => (
                <option key={n} value={n}>
                  {n}
                </option>
              ))}
            </select>
          </label>
          <label>
            {t('bathroomsLabel')}
            <select value={bathrooms} onChange={(e) => setBathrooms(Number(e.target.value))}>
              {[1, 2, 3, 4].map((n) => (
                <option key={n} value={n}>
                  {n}
                </option>
              ))}
            </select>
          </label>
        </div>
        <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(200px, 1fr))' }}>
          <label>
            {t('priceWeekdayLabel')}
            <input
              type="number"
              value={priceWeekday}
              onChange={(e) => setPriceWeekday(e.target.value === '' ? '' : Number(e.target.value))}
              min={0}
              step="10"
              placeholder="120"
            />
          </label>
          <label>
            {t('priceWeekendLabel')}
            <input
              type="number"
              value={priceWeekend}
              onChange={(e) => setPriceWeekend(e.target.value === '' ? '' : Number(e.target.value))}
              min={0}
              step="10"
              placeholder="140"
            />
          </label>
        </div>
        <div style={{ color: '#cbd5e1', fontSize: 12 }}>{t('priceHintHelp')}</div>
        <label style={{ gridColumn: '1 / -1' }}>
          {t('calendarUrlsLabel')}
          <textarea
            value={calendarUrls}
            onChange={(e) => setCalendarUrls(e.target.value)}
            rows={3}
            placeholder="https://example.com/calendar.ics"
          />
          <div style={{ color: '#cbd5e1', fontSize: 12 }}>{t('calendarUrlsHelp')}</div>
        </label>
        <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(180px, 1fr))' }}>
          <label>
            {t('latitudeLabel')}
            <input type="number" value={latitude} onChange={(e) => setLatitude(e.target.value === '' ? '' : Number(e.target.value))} step="0.000001" />
          </label>
          <label>
            {t('longitudeLabel')}
            <input type="number" value={longitude} onChange={(e) => setLongitude(e.target.value === '' ? '' : Number(e.target.value))} step="0.000001" />
          </label>
        </div>
        <div className="panel" style={{ display: 'grid', gap: 10, border: '1px solid rgba(148,163,184,0.3)', background: 'rgba(255,255,255,0.02)' }}>
          <h3 style={{ margin: 0 }}>{t('listingAmenities')}</h3>
          <div className="amenity-grid">
            {amenityOptions.map((option) => (
              <button
                key={option.key}
                type="button"
                className={`amenity-option ${option.checked ? 'selected' : ''}`}
                aria-pressed={option.checked}
                onClick={() => option.toggle(!option.checked)}
              >
                <div className="amenity-option-meta">
                  <span aria-hidden className="amenity-emoji">
                    {option.icon}
                  </span>
                  <span className="amenity-name">{option.label}</span>
                </div>
                <span className="amenity-check" aria-hidden>
                  {option.checked ? '✓' : ''}
                </span>
              </button>
            ))}
          </div>
        </div>
        <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(240px, 1fr))' }}>
          <label>
            {t('imagesLabel')}
            <input type="file" accept="image/*" multiple onChange={handleFileChange} />
            <div style={{ color: '#cbd5e1', fontSize: 12, marginTop: 4 }}>{t('imagesHelp', { count: MAX_IMAGES, sizeMb: Math.floor(MAX_IMAGE_BYTES / 1024 / 1024) })}</div>
          </label>
          <label>
            {t('coverImageLabel')}
            <input type="number" min={1} max={selectedImages.length || 1} value={coverImageIndex} onChange={(e) => setCoverImageIndex(Number(e.target.value))} />
            <div style={{ color: '#cbd5e1', fontSize: 12, marginTop: 4 }}>{t('coverImageHelp')}</div>
          </label>
        </div>
        {selectedImages.length > 0 ? (
          <div style={{ display: 'grid', gap: 8, gridTemplateColumns: 'repeat(auto-fit, minmax(180px, 1fr))' }}>
            {selectedImages.map((img, idx) => (
              <div key={img.name + idx} style={{ border: '1px solid rgba(148,163,184,0.3)', padding: 8, borderRadius: 8 }}>
                <div style={{ fontWeight: 600 }}>{img.name}</div>
                <div style={{ fontSize: 12, color: '#cbd5e1' }}>
                  {(img.size / 1024).toFixed(0)} KB · {img.mimeType || 'image/jpeg'}
                </div>
                <div style={{ fontSize: 12, marginTop: 4 }}>{t('coverChoice', { index: idx + 1 })}</div>
                {img.isExisting ? <div style={{ fontSize: 12, color: '#94a3b8' }}>{t('existingImageLabel')}</div> : null}
                <div style={{ display: 'flex', gap: 8, marginTop: 8, flexWrap: 'wrap' }}>
                  <button type="button" className="button secondary" onClick={() => setCoverImageIndex(idx + 1)}>
                    {t('makeCover')}
                  </button>
                  <button type="button" className="button secondary" onClick={() => removeImageAt(idx)}>
                    {t('remove')}
                  </button>
                </div>
              </div>
            ))}
          </div>
        ) : (
          <div style={{ color: '#cbd5e1', fontSize: 12 }}>{t('imagesHelp', { count: MAX_IMAGES, sizeMb: Math.floor(MAX_IMAGE_BYTES / 1024 / 1024) })}</div>
        )}
        <div style={{ display: 'flex', gap: 10, flexWrap: 'wrap' }}>
          <button className="button secondary" type="button" disabled={loading} onClick={(e) => submitListing(true, e)}>
            {loading ? t('saving') : t('saveDraft')}
          </button>
          <button className="button" type="submit" disabled={loading}>
            {loading ? t('submittingListing') : t('submitListing')}
          </button>
        </div>
      </form>
      {message ? <p style={{ marginTop: 12, color: 'green' }}>{message}</p> : null}
      {error ? <p style={{ marginTop: 12, color: 'red' }}>{error}</p> : null}
    </main>
  );
}