import { useState, useEffect, useRef } from 'react';
import { useSeoMeta } from '@unhead/react';
import { useNavigate, useSearchParams } from 'react-router-dom';
import ngeohash from 'ngeohash';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Textarea } from '@/components/ui/textarea';
import { Label } from '@/components/ui/label';
import { useNostrPublish } from '@/hooks/useNostrPublish';
import { useCurrentUser } from '@/hooks/useCurrentUser';
import { useUploadFile } from '@/hooks/useUploadFile';
import { useSkateSpots } from '@/hooks/useSkateSpots';
import { calculateDistance } from '@/lib/sortOptions';
import type { SkateSpot } from '@/lib/types';
import { useToast } from '@/hooks/useToast';
import { useTranslation } from '@/contexts/language';
import { LoginArea } from '@/components/auth/LoginArea';
import { QualityMeter } from '@/components/QualityMeter';
import { PhotoDropzone } from '@/components/PhotoDropzone';
import { TagInput } from '@/components/TagInput';
import { SKATE_SPOT_KIND } from '@/lib/types';
import { reverseGeocodeRegions, pushRegionTags } from '@/lib/geocodeRegions';
import { spotCategories, MAX_TAGS, shelterOptions, DEFAULT_SHELTER, SHELTERED_VALUES, type ShelterType } from '@/lib/skateTags';
import { cn } from '@/lib/utils';
import {
  MapPin,
  X,
  Loader2,
  ArrowLeft,
  Check,
  Camera,
} from 'lucide-react';
import { CameraCapture } from '@/components/CameraCapture';
import { Link } from 'react-router-dom';



export default function CreateSpotPage() {
  const { t } = useTranslation();
  
  useSeoMeta({
    title: `${t('createSpot.title')} - SkateSpots`,
    description: t('createSpot.subtitle'),
  });

  const navigate = useNavigate();
  const [searchParams] = useSearchParams();
  const { user } = useCurrentUser();
  const { mutateAsync: createEvent, isPending: isPublishing } = useNostrPublish();
  const { mutateAsync: uploadFile, isPending: isUploading } = useUploadFile();
  const { toast } = useToast();

  // Form state
  const [title, setTitle] = useState('');
  const [description, setDescription] = useState('');
  const [location, setLocation] = useState('');
  const [latitude, setLatitude] = useState('');
  const [longitude, setLongitude] = useState('');
  const [selectedCategory, setSelectedCategory] = useState<string>('');
  const [tags, setTags] = useState<string[]>([]);
  const [accessType, setAccessType] = useState<'public' | 'private' | 'locals'>('public');
  const [shelter, setShelter] = useState<ShelterType>(DEFAULT_SHELTER);
  const [contactInfo, setContactInfo] = useState('');
  const [images, setImages] = useState<string[]>([]);
  // Duplicate guard: warn when a spot already exists right where you're pinning
  // one. This is the cheapest fix for clone spam (five near-identical pins for
  // the same spot) — and it points the contributor at the existing pin instead.
  const { data: existingSpots } = useSkateSpots(500);
  const [dupWarning, setDupWarning] = useState<Array<{ spot: SkateSpot; km: number }> | null>(null);
  const dupConfirmedRef = useRef(false);
  const [isGettingLocation, setIsGettingLocation] = useState(false);
  const [showCamera, setShowCamera] = useState(false);
  // True while the Quick Snap photo is uploading in the background after landing
  // on this form.
  const [isUploadingQuickPhoto, setIsUploadingQuickPhoto] = useState(false);

  // Pre-fill coordinates from URL params (from map click)
  useEffect(() => {
    const lat = searchParams.get('lat');
    const lng = searchParams.get('lng');
    if (lat && lng) {
      setLatitude(lat);
      setLongitude(lng);
    }
    
    // Check for quick capture image from map page
    const quickCapture = searchParams.get('quickCapture');
    if (quickCapture === 'true') {
      // Backward-compat: an already-uploaded URL (old flow).
      const capturedImage = sessionStorage.getItem('quickCaptureImage');
      if (capturedImage) {
        setImages([capturedImage]);
        sessionStorage.removeItem('quickCaptureImage');
      }

      // New Quick Snap flow: a raw photo (data URL) stashed by the map page.
      // We navigate here immediately for speed, then upload the photo HERE so a
      // slow/failed Blossom upload never strands the user before the form.
      const pendingPhoto = sessionStorage.getItem('quickCapturePendingPhoto');
      if (pendingPhoto) {
        sessionStorage.removeItem('quickCapturePendingPhoto');
        (async () => {
          setIsUploadingQuickPhoto(true);
          try {
            const res = await fetch(pendingPhoto);
            const blob = await res.blob();
            const file = new File([blob], `skate-spot-${Date.now()}.jpg`, { type: 'image/jpeg' });
            const uploadTags = await uploadFile(file);
            const url = uploadTags[0]?.[1];
            if (url) {
              setImages((prev) => (prev.includes(url) ? prev : [...prev, url]));
            }
          } catch (error) {
            toast({
              title: t('spotUi.photoUploadFailed'),
              description:
                error instanceof Error ? error.message : t('spotUi.couldNotUploadPhoto'),
              variant: 'destructive',
            });
          } finally {
            setIsUploadingQuickPhoto(false);
          }
        })();
      }
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [searchParams]);

  const handleCategoryChange = (category: string) => {
    setSelectedCategory(category);
  };

  const getCurrentLocation = () => {
    if (!navigator.geolocation) {
      toast({
        title: t('spotUi.geolocationNotSupported'),
        description: t('spotUi.geolocationNotSupportedDesc'),
        variant: 'destructive',
      });
      return;
    }

    setIsGettingLocation(true);
    navigator.geolocation.getCurrentPosition(
      (position) => {
        setLatitude(position.coords.latitude.toFixed(6));
        setLongitude(position.coords.longitude.toFixed(6));
        setIsGettingLocation(false);
        toast({
          title: t('spotUi.locationFound'),
          description: t('spotUi.locationFoundDesc'),
        });
      },
      (error) => {
        setIsGettingLocation(false);
        toast({
          title: t('spotUi.locationError'),
          description: error.message,
          variant: 'destructive',
        });
      }
    );
  };

  // Upload one or more selected/dropped photos. Uploads run in sequence so we
  // don't hammer Blossom with parallel requests.
  const uploadImageFiles = async (files: File[]) => {
    if (files.length === 0) return;
    let added = 0;
    try {
      for (const file of files) {
        const tags = await uploadFile(file);
        const url = tags[0]?.[1];
        if (url) {
          setImages((prev) => (prev.includes(url) ? prev : [...prev, url]));
          added += 1;
        }
      }
      if (added > 0) {
        toast({
          title: added > 1 ? t('spotUi.photosUploaded', { count: added }) : t('spotUi.imageUploaded'),
          description:
            added > 1 ? t('spotUi.photosAdded') : t('spotUi.imageUploadedDesc'),
        });
      }
    } catch (error) {
      toast({
        title: t('spotUi.uploadFailed'),
        description: error instanceof Error ? error.message : t('spotUi.failedToUploadImage'),
        variant: 'destructive',
      });
    }
  };

  // Handle camera capture
  const handleCameraCapture = async (file: File) => {
    try {
      const tags = await uploadFile(file);
      const url = tags[0]?.[1];
      if (url) {
        setImages((prev) => [...prev, url]);
        setShowCamera(false);
        toast({
          title: t('spotUi.photoCaptured'),
          description: t('spotUi.photoCapturedDesc'),
        });
      }
    } catch (error) {
      toast({
        title: t('spotUi.uploadFailed'),
        description: error instanceof Error ? error.message : t('spotUi.failedToUploadPhoto'),
        variant: 'destructive',
      });
    }
  };

  const removeImage = (url: string) => {
    setImages((prev) => prev.filter((img) => img !== url));
  };

  const handleSubmit = async (e?: React.FormEvent) => {
    e?.preventDefault();

    if (!title.trim()) {
      toast({
        title: t('spotUi.titleRequired'),
        description: t('spotUi.titleRequiredDesc'),
        variant: 'destructive',
      });
      return;
    }

    if (!latitude || !longitude) {
      toast({
        title: t('spotUi.locationRequired'),
        description: t('spotUi.locationRequiredDesc'),
        variant: 'destructive',
      });
      return;
    }

    const lat = parseFloat(latitude);
    const lng = parseFloat(longitude);

    if (isNaN(lat) || isNaN(lng) || lat < -90 || lat > 90 || lng < -180 || lng > 180) {
      toast({
        title: t('spotUi.invalidCoordinates'),
        description: t('spotUi.invalidCoordinatesDesc'),
        variant: 'destructive',
      });
      return;
    }

    if (!selectedCategory) {
      toast({
        title: t('spotUi.spotTypeRequired'),
        description: t('spotUi.spotTypeRequiredDesc'),
        variant: 'destructive',
      });
      return;
    }

    // Don't publish while the Quick Snap photo is still uploading — otherwise the
    // spot would go out without the photo the user just took.
    if (isUploadingQuickPhoto) {
      toast({
        title: t('spotUi.hangTight'),
        description: t('spotUi.hangTightDesc'),
      });
      return;
    }

    // A photo is still NOT required — but a spot needs *something* beyond a
    // title + type. Require a photo OR a description so the empty husk (a "test"
    // pin, an airport with one word) can't publish, without blocking an honest
    // mapper who has no picture on hand but can describe the place.
    if (images.length === 0 && !description.trim()) {
      toast({
        title: t('spotUi.addPhotoOrDescription'),
        description: t('spotUi.addPhotoOrDescriptionDesc'),
        variant: 'destructive',
      });
      return;
    }

    // Look for an existing spot within 60 m and ask before creating a clone.
    if (!dupConfirmedRef.current) {
      const nearby = (existingSpots ?? [])
        .map((s) => {
          if (!s.geohash) return null;
          const { latitude, longitude } = ngeohash.decode(s.geohash);
          if (!Number.isFinite(latitude) || !Number.isFinite(longitude)) return null;
          return { spot: s, km: calculateDistance(lat, lng, latitude, longitude) };
        })
        .filter((x): x is { spot: SkateSpot; km: number } => !!x && x.km < 0.06)
        .sort((a, b) => a.km - b.km)
        .slice(0, 3);

      if (nearby.length > 0) {
        setDupWarning(nearby);
        toast({
          title: t('spotUi.spotMayAlreadyBeOnMap'),
          description: t('spotUi.checkPinBelow'),
        });
        return;
      }
    }

    try {
      // Generate geohash from coordinates (7 chars = ~153m precision)
      const geohash = ngeohash.encode(lat, lng, 7);

      // Create unique identifier for addressable event
      const identifier = title
        .toLowerCase()
        .replace(/[^a-z0-9]+/g, '-')
        .replace(/^-|-$/g, '')
        .slice(0, 50) + '-' + Date.now().toString(36);

      // Reverse geocode to get structured city/country tags (best-effort; the
      // helper never throws). These power Sasquatch's city/country search and
      // the /stats region breakdown.
      const geo = await reverseGeocodeRegions(lat, lng);
      let locationStr = location.trim();
      if (!locationStr && geo.city) {
        // Auto-populate an empty address from the geocode.
        locationStr = [geo.city, geo.state, geo.country].filter(Boolean).join(', ');
      }

      // Build event tags
      const eventTags: string[][] = [
        ['d', identifier], // Required for addressable events
        ['title', title.trim()],
        ['g', geohash],
        ['t', 'skatespot'], // Primary identifier for spot events
        ['access', accessType],
        ['lat', lat.toString()],
        ['lon', lng.toString()],
      ];

      if (locationStr) {
        eventTags.push(['location', locationStr]);
      }

      // Structured city/country/country_code tags — critical for Sasquatch relay
      // search and the /stats region breakdown (country_code is the stable key).
      pushRegionTags(eventTags, geo);

      if (contactInfo.trim()) {
        eventTags.push(['contact', contactInfo.trim()]);
      }

      // Shelter / weather-protection level. Always record the explicit value so
      // the spot detail + map can show it; additionally add a queryable `t` tag
      // for sheltered spots (indoor/covered/partial) so "dry spots" filtering and
      // Sasquatch search work at the relay level. Outdoor is the implicit default
      // and adds no `t` tag (keeps the common case from tagging everything).
      eventTags.push(['shelter', shelter]);
      if (SHELTERED_VALUES.includes(shelter)) {
        eventTags.push(['t', shelter]);
      }

      // Add category as dedicated tag (new format)
      if (selectedCategory) {
        eventTags.push(['category', selectedCategory]);
        // Also add as t tag for backwards compatibility and relay filtering
        eventTags.push(['t', selectedCategory]);
      }
      
      // Add all freeform tags
      for (const tag of tags) {
        eventTags.push(['t', tag]);
      }

      // Add images
      for (const imageUrl of images) {
        // Use imeta tag for NIP-92 compatibility
        eventTags.push(['imeta', `url ${imageUrl}`, 'm image/jpeg']);
      }
      
      // Add alt tag for NIP-31 (human-readable description)
      eventTags.push(['alt', t('spotUi.altSkateSpot', { title: title.trim() })]);

      await createEvent({
        kind: SKATE_SPOT_KIND,
        content: description.trim(),
        tags: eventTags,
      });

      toast({
        title: t('spotUi.spotAdded'),
        description: images.length === 0
          ? t('spotUi.spotAddedNoPhoto')
          : t('spotUi.spotAddedDesc'),
      });

      // Navigate to spot detail using pubkey and identifier
      navigate(`/spot/${user?.pubkey}/${identifier}`);
    } catch (error) {
      console.error('Failed to create spot:', error);
      toast({
        title: t('spotUi.failedToPublish'),
        description: error instanceof Error ? error.message : t('spotUi.failedToPublishDesc'),
        variant: 'destructive',
      });
    }
  };

  if (!user) {
    return (
      <>
        <div className="container px-4 py-8">
          <Card className="max-w-xl mx-auto border-dashed">
            <CardContent className="py-12 text-center">
              <MapPin className="h-12 w-12 mx-auto mb-4 text-muted-foreground/50" />
              <h2 className="text-xl font-bold mb-2">{t('errors.loginRequired')}</h2>
              <p className="text-muted-foreground mb-6">
                {t('createSpot.loginToAdd')}
              </p>
              <LoginArea className="justify-center" />
            </CardContent>
          </Card>
        </div>
      </>
    );
  }

  return (
    <>
      <div className="container px-4 sm:px-6 py-6 sm:py-8 max-w-2xl">
        <div className="mb-6">
          <Link to="/map" className="inline-flex items-center text-gray-400 hover:text-white transition-colors mb-4">
            <ArrowLeft className="h-4 w-4 mr-2" />
            {t('createSpot.backToMap')}
          </Link>
          <h1 className="text-3xl font-black uppercase neon-red" style={{
            fontFamily: 'Impact, "Arial Black", sans-serif'
          }}>{t('createSpot.title')}</h1>
          <p className="text-gray-400 mt-1">
            {t('createSpot.subtitle')}
          </p>
        </div>

        <form onSubmit={handleSubmit}>
          <Card className="bg-black/90 border-2 border-[#ff0040]/30">
            <CardHeader>
              <CardTitle className="text-[#ff0040] uppercase font-black">{t('spots.spotDetails')}</CardTitle>
              <CardDescription className="text-gray-400">
                {t('createSpot.requiredFields')}
              </CardDescription>
            </CardHeader>
            <CardContent className="space-y-6">
              {/* Title */}
              <div className="space-y-2">
                <Label htmlFor="title">{t('spots.spotName')} *</Label>
                <Input
                  id="title"
                  placeholder={t('createSpot.namePlaceholder')}
                  value={title}
                  onChange={(e) => setTitle(e.target.value)}
                  required
                />
              </div>

              {/* Description */}
              <div className="space-y-2">
                <Label htmlFor="description">{t('spots.description')}</Label>
                <Textarea
                  id="description"
                  placeholder={t('createSpot.descriptionPlaceholder')}
                  value={description}
                  onChange={(e) => setDescription(e.target.value)}
                  rows={4}
                />
              </div>

              {/* Location Address */}
              <div className="space-y-2">
                <Label htmlFor="location">{t('spots.address')}</Label>
                <Input
                  id="location"
                  placeholder={t('createSpot.addressPlaceholder')}
                  value={location}
                  onChange={(e) => setLocation(e.target.value)}
                />
              </div>

              {/* Coordinates */}
              <div className="space-y-2">
                <Label>{t('createSpot.coordinates')} *</Label>
                <div className="grid grid-cols-2 gap-4">
                  <div>
                    <Input
                      placeholder={t('createSpot.latitudePlaceholder')}
                      value={latitude}
                      onChange={(e) => setLatitude(e.target.value)}
                      required
                    />
                  </div>
                  <div>
                    <Input
                      placeholder={t('createSpot.longitudePlaceholder')}
                      value={longitude}
                      onChange={(e) => setLongitude(e.target.value)}
                      required
                    />
                  </div>
                </div>
                <Button
                  type="button"
                  variant="outline"
                  size="sm"
                  onClick={getCurrentLocation}
                  disabled={isGettingLocation}
                  className="mt-2"
                >
                  {isGettingLocation ? (
                    <>
                      <Loader2 className="h-4 w-4 mr-2 animate-spin" />
                      {t('createSpot.gettingLocation')}
                    </>
                  ) : (
                    <>
                      <MapPin className="h-4 w-4 mr-2" />
                      {t('createSpot.useCurrentLocation')}
                    </>
                  )}
                </Button>
              </div>

              {/* Access Type */}
              <div className="space-y-3">
                <Label className="text-base font-bold">{t('createSpot.accessType')} *</Label>
                <div className="space-y-2">
                  {/* Public */}
                  <Card
                    className={cn(
                      "cursor-pointer transition-all border-2",
                      accessType === 'public'
                        ? "bg-[#ff0040]/10 border-[#ff0040] ring-2 ring-[#ff0040]/50"
                        : "border-gray-700 hover:border-[#ff0040]/50"
                    )}
                    onClick={() => setAccessType('public')}
                  >
                    <CardContent className="p-4">
                      <div className="flex items-start gap-3">
                        <div className="text-2xl">🌍</div>
                        <div className="flex-1">
                          <h4 className="font-bold text-white mb-1">{t('createSpot.publicTitle')}</h4>
                          <p className="text-sm text-gray-400">{t('createSpot.publicDesc')}</p>
                        </div>
                        {accessType === 'public' && (
                          <div className="w-6 h-6 rounded-full bg-[#ff0040] flex items-center justify-center">
                            <span className="text-white text-xs">✓</span>
                          </div>
                        )}
                      </div>
                    </CardContent>
                  </Card>

                  {/* Private */}
                  <Card
                    className={cn(
                      "cursor-pointer transition-all border-2",
                      accessType === 'private'
                        ? "bg-[#ff6600]/10 border-[#ff6600] ring-2 ring-[#ff6600]/50"
                        : "border-gray-700 hover:border-[#ff6600]/50"
                    )}
                    onClick={() => setAccessType('private')}
                  >
                    <CardContent className="p-4">
                      <div className="flex items-start gap-3">
                        <div className="text-2xl">🔒</div>
                        <div className="flex-1">
                          <h4 className="font-bold text-white mb-1">{t('createSpot.privateTitle')}</h4>
                          <p className="text-sm text-gray-400">{t('createSpot.privateDesc')}</p>
                        </div>
                        {accessType === 'private' && (
                          <div className="w-6 h-6 rounded-full bg-[#ff6600] flex items-center justify-center">
                            <span className="text-white text-xs">✓</span>
                          </div>
                        )}
                      </div>
                    </CardContent>
                  </Card>

                  {/* Ask Locals */}
                  <Card
                    className={cn(
                      "cursor-pointer transition-all border-2",
                      accessType === 'locals'
                        ? "bg-[#ccff00]/10 border-[#ccff00] ring-2 ring-[#ccff00]/50"
                        : "border-gray-700 hover:border-[#ccff00]/50"
                    )}
                    onClick={() => setAccessType('locals')}
                  >
                    <CardContent className="p-4">
                      <div className="flex items-start gap-3">
                        <div className="text-2xl">👥</div>
                        <div className="flex-1">
                          <h4 className="font-bold text-white mb-1">{t('createSpot.localsTitle')}</h4>
                          <p className="text-sm text-gray-400">{t('createSpot.localsDesc')}</p>
                        </div>
                        {accessType === 'locals' && (
                          <div className="w-6 h-6 rounded-full bg-[#ccff00] flex items-center justify-center">
                            <span className="text-black text-xs">✓</span>
                          </div>
                        )}
                      </div>
                    </CardContent>
                  </Card>
                </div>
              </div>

              {/* Contact Info for Private/Locals */}
              {(accessType === 'private' || accessType === 'locals') && (
                <div className="space-y-2">
                  <Label htmlFor="contact">{t('createSpot.contactInfo')}</Label>
                  <Input
                    id="contact"
                    placeholder={t('createSpot.contactPlaceholder')}
                    value={contactInfo}
                    onChange={(e) => setContactInfo(e.target.value)}
                    className="bg-black border-[#ff6600]/30"
                  />
                  <p className="text-xs text-gray-400">
                    {accessType === 'private'
                      ? t('createSpot.contactHintPrivate')
                      : t('createSpot.contactHintLocals')}
                  </p>
                </div>
              )}

              {/* Spot Category (required, mutually exclusive) */}
              <div className="space-y-3">
                <Label className="text-base font-bold">{t('spots.spotType')} *</Label>
                <div className="grid grid-cols-2 gap-2">
                  {spotCategories.map((category) => (
                    <Card
                      key={category.value}
                      className={cn(
                        "cursor-pointer transition-all border-2 touch-manipulation active:scale-[0.98]",
                        selectedCategory === category.value
                          ? "bg-[#ff0040]/10 border-[#ff0040] ring-2 ring-[#ff0040]/50"
                          : "border-gray-700 hover:border-[#ff0040]/50"
                      )}
                      onClick={() => handleCategoryChange(category.value)}
                    >
                      <CardContent className="p-3 sm:p-4 text-center relative">
                        <div className="font-bold text-sm sm:text-base">{category.label}</div>
                        <div className="text-xs text-gray-400 mt-1">{category.description}</div>
                        {selectedCategory === category.value && (
                          <div className="absolute top-1 right-1 w-4 h-4 sm:w-5 sm:h-5 rounded-full bg-[#ff0040] flex items-center justify-center">
                            <Check className="h-2.5 w-2.5 sm:h-3 sm:w-3 text-white" />
                          </div>
                        )}
                      </CardContent>
                    </Card>
                  ))}
                </div>
              </div>

              {/* Shelter / weather protection */}
              <div className="space-y-3">
                <Label className="text-base font-bold">{t('spotUi.shelter')}</Label>
                <p className="text-xs text-gray-400 -mt-1">
                  {t('spotUi.shelterHint')}
                </p>
                <div className="grid grid-cols-2 gap-2">
                  {shelterOptions.map((option) => (
                    <Card
                      key={option.value}
                      className={cn(
                        "cursor-pointer transition-all border-2 touch-manipulation active:scale-[0.98]",
                        shelter === option.value
                          ? "bg-[#ff0040]/10 border-[#ff0040] ring-2 ring-[#ff0040]/50"
                          : "border-gray-700 hover:border-[#ff0040]/50"
                      )}
                      onClick={() => setShelter(option.value)}
                    >
                      <CardContent className="p-3 sm:p-4 relative">
                        <div className="flex items-start gap-2.5">
                          <div className="text-xl leading-none mt-0.5">{option.emoji}</div>
                          <div className="flex-1 min-w-0">
                            <div className="font-bold text-sm sm:text-base text-white">{option.label}</div>
                            <div className="text-xs text-gray-400 mt-0.5">{option.description}</div>
                          </div>
                        </div>
                        {shelter === option.value && (
                          <div className="absolute top-1 right-1 w-4 h-4 sm:w-5 sm:h-5 rounded-full bg-[#ff0040] flex items-center justify-center">
                            <Check className="h-2.5 w-2.5 sm:h-3 sm:w-3 text-white" />
                          </div>
                        )}
                      </CardContent>
                    </Card>
                  ))}
                </div>
              </div>

              {/* Freeform Tags */}
              <div className="space-y-3">
                <Label className="text-base font-bold">{t('spotUi.tags')}</Label>
                <p className="text-xs text-gray-400 -mt-1">
                  {t('spotUi.tagsHint', { max: MAX_TAGS })}
                </p>
                <TagInput
                  tags={tags}
                  onChange={setTags}
                  placeholder={t('spotUi.typeToSearchTags')}
                  maxTags={MAX_TAGS}
                />
              </div>

              {/* Images — required (see the guard in handleSubmit). */}
              <div className="space-y-2">
                <Label>
                  {t('spots.photos')}
                  <span className="ml-2 text-[11px] font-normal text-muted-foreground">
                    {t('spotUi.photosRecommended')}
                  </span>
                </Label>
                <div className="grid grid-cols-3 gap-4">
                  {images.map((url) => (
                    <div key={url} className="relative aspect-video rounded-lg overflow-hidden bg-muted">
                      <img src={url} alt={t('spotUi.spotPhotoAlt')} className="w-full h-full object-cover" />
                      <button
                        type="button"
                        onClick={() => removeImage(url)}
                        className="absolute top-1 right-1 p-1 rounded-full bg-background/80 hover:bg-destructive hover:text-destructive-foreground transition-colors"
                      >
                        <X className="h-4 w-4" />
                      </button>
                    </div>
                  ))}
                  {/* Quick Snap photo uploading in the background */}
                  {isUploadingQuickPhoto && (
                    <div className="relative aspect-video rounded-lg overflow-hidden bg-muted flex flex-col items-center justify-center border-2 border-dashed border-[#ccff00]/50">
                      <Loader2 className="h-6 w-6 animate-spin text-[#ccff00] mb-1" />
                      <span className="text-xs text-[#ccff00] font-bold">{t('spotUi.uploadingPhoto')}</span>
                    </div>
                  )}
                  {/* Camera capture button */}
                  <button
                    type="button"
                    onClick={() => setShowCamera(true)}
                    disabled={isUploading}
                    className="aspect-video rounded-lg border-2 border-dashed border-[#ff0040]/50 flex flex-col items-center justify-center cursor-pointer hover:bg-[#ff0040]/10 hover:border-[#ff0040] transition-colors"
                  >
                    <Camera className="h-6 w-6 text-[#ff0040] mb-1" />
                    <span className="text-xs text-[#ff0040] font-bold">{t('spotUi.takePhoto')}</span>
                  </button>
                  {/* File upload / drop zone — accepts several photos at once */}
                  <PhotoDropzone
                    onFiles={uploadImageFiles}
                    uploading={isUploading}
                    label={t('createSpot.uploadPhotos')}
                    hint={t('createSpot.dragDrop')}
                    className="aspect-video"
                  />
                </div>
              </div>

              {/* Camera Capture Dialog */}
              <CameraCapture
                open={showCamera}
                onOpenChange={setShowCamera}
                onCapture={handleCameraCapture}
                isUploading={isUploading}
              />

              {/* Quality Meter */}
              <QualityMeter
                type="spot"
                hasLocation={!!(latitude && longitude)}
                hasPhotos={images.length > 0}
                photoCount={images.length}
                hasDescription={description.trim().length > 0}
                descriptionLength={description.trim().length}
                hasSpotType={!!selectedCategory}
              />

              {dupWarning && (
                <div className="rounded-2xl border-2 border-amber-500/40 bg-amber-500/10 p-4">
                  <p className="text-sm font-black uppercase tracking-wide text-amber-300">
                    {t('spotUi.spotMayAlreadyExist')}
                  </p>
                  <p className="mt-1 text-xs text-gray-300">
                    {dupWarning.length === 1
                      ? t('spotUi.duplicateOne')
                      : t('spotUi.duplicateOther')}
                  </p>
                  <ul className="mt-2 space-y-1">
                    {dupWarning.map(({ spot, km }) => (
                      <li key={spot.id} className="truncate text-xs">
                        <Link
                          to={`/spot/${spot.pubkey}/${spot.identifier}`}
                          className="text-[#ccff00] hover:opacity-80"
                        >
                          {spot.title || t('spotUi.untitledSpot')} · {t('spotUi.metresAway', { distance: Math.round(km * 1000) })}
                        </Link>
                      </li>
                    ))}
                  </ul>
                  <div className="mt-3 flex flex-wrap gap-2">
                    <Button
                      type="button"
                      variant="outline"
                      className="border-white/20"
                      onClick={() => {
                        dupConfirmedRef.current = true;
                        setDupWarning(null);
                        void handleSubmit();
                      }}
                    >
                      {t('spotUi.differentSpotPublishAnyway')}
                    </Button>
                    <Button
                      type="button"
                      variant="ghost"
                      className="text-gray-400"
                      onClick={() => setDupWarning(null)}
                    >
                      {t('common.cancel')}
                    </Button>
                  </div>
                </div>
              )}

              {/* Submit */}
              <Button
                type="submit"
                className="w-full"
                disabled={isPublishing || isUploading || isUploadingQuickPhoto}
              >
                {isPublishing ? (
                  <>
                    <Loader2 className="h-4 w-4 mr-2 animate-spin" />
                    {t('createSpot.publishing')}
                  </>
                ) : isUploadingQuickPhoto ? (
                  <>
                    <Loader2 className="h-4 w-4 mr-2 animate-spin" />
                    {t('spotUi.uploadingPhoto')}
                  </>
                ) : (
                  <>
                    <MapPin className="h-4 w-4 mr-2" />
                    {t('home.addSpot')}
                  </>
                )}
              </Button>
            </CardContent>
          </Card>
        </form>
      </div>
    </>
  );
}