import { useState } from 'react';
import { useSeoMeta } from '@unhead/react';
import { useNavigate, Link } from 'react-router-dom';
import ngeohash from 'ngeohash';
import { nip19 } from 'nostr-tools';
import { Layout } from '@/components/Layout';
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 { useAuthor } from '@/hooks/useAuthor';
import { useUploadFile } from '@/hooks/useUploadFile';
import { useToast } from '@/hooks/useToast';
import { useWallet } from '@/hooks/useWallet';
import { WalletModal } from '@/components/WalletModal';
import { LoginArea } from '@/components/auth/LoginArea';
import {
  SKATE_EDITOR_KIND,
  EDITOR_SERVICE_LABELS,
  EDITOR_SERVICE_DESCRIPTIONS,
  EDITOR_SKILL_LABELS,
  EDITOR_SKILL_DESCRIPTIONS,
} from '@/lib/types';
import { cn } from '@/lib/utils';
import { Scissors, Upload, X, Loader2, ArrowLeft, MapPin, Wallet, ExternalLink, Monitor } from 'lucide-react';

const SERVICE_ENTRIES = Object.entries(EDITOR_SERVICE_LABELS);
const SKILL_ENTRIES = Object.entries(EDITOR_SKILL_LABELS);

export default function BecomeEditorPage() {
  useSeoMeta({
    title: 'Become a Video Editor - SkateSpots',
    description: 'Create your skateboarding video editor profile on SkateSpots.',
  });

  const navigate = useNavigate();
  const { user } = useCurrentUser();
  const author = useAuthor(user?.pubkey || '');
  const { mutateAsync: createEvent, isPending: isPublishing } = useNostrPublish();
  const { mutateAsync: uploadFile, isPending: isUploading } = useUploadFile();
  const { toast } = useToast();
  const { webln, activeNWC } = useWallet();

  const hasWallet = !!webln || !!activeNWC;

  const [bio, setBio] = useState('');
  const [location, setLocation] = useState('');
  const [latitude, setLatitude] = useState('');
  const [longitude, setLongitude] = useState('');
  const [selectedServices, setSelectedServices] = useState<string[]>([]);
  const [selectedSkills, setSelectedSkills] = useState<string[]>([]);
  const [image, setImage] = useState<string | null>(null);
  const [experience, setExperience] = useState('');
  const [rate, setRate] = useState('');
  const [phone, setPhone] = useState('');
  const [email, setEmail] = useState('');
  const [website, setWebsite] = useState('');
  const [portfolio, setPortfolio] = useState('');
  const [social, setSocial] = useState('');
  const [hardware, setHardware] = useState('');
  const [software, setSoftware] = useState('');
  const [isGettingLocation, setIsGettingLocation] = useState(false);

  const getDisplayName = () => {
    if (author.data?.metadata?.name) return author.data.metadata.name;
    if (user?.pubkey) {
      const npub = nip19.npubEncode(user.pubkey);
      return `${npub.slice(0, 12)}...${npub.slice(-4)}`;
    }
    return 'Anonymous Editor';
  };

  const toggleService = (s: string) =>
    setSelectedServices((prev) => prev.includes(s) ? prev.filter((x) => x !== s) : [...prev, s]);

  const toggleSkill = (s: string) =>
    setSelectedSkills((prev) => prev.includes(s) ? prev.filter((x) => x !== s) : [...prev, s]);

  const getCurrentLocation = () => {
    if (!navigator.geolocation) {
      toast({ title: 'Geolocation not supported', variant: 'destructive' });
      return;
    }
    setIsGettingLocation(true);
    navigator.geolocation.getCurrentPosition(
      (pos) => {
        setLatitude(pos.coords.latitude.toFixed(6));
        setLongitude(pos.coords.longitude.toFixed(6));
        setIsGettingLocation(false);
        toast({ title: 'Location found' });
      },
      (err) => {
        setIsGettingLocation(false);
        toast({ title: 'Location error', description: err.message, variant: 'destructive' });
      }
    );
  };

  const handleImageUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
    const files = e.target.files;
    if (!files || files.length === 0) return;
    try {
      const tags = await uploadFile(files[0]);
      const url = tags[0]?.[1];
      if (url) { setImage(url); toast({ title: 'Image uploaded' }); }
    } catch (err) {
      toast({ title: 'Upload failed', description: err instanceof Error ? err.message : 'Error', variant: 'destructive' });
    }
    e.target.value = '';
  };

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

    if (selectedServices.length === 0) {
      toast({ title: 'Services required', description: 'Select at least one edit type.', variant: 'destructive' });
      return;
    }

    try {
      const identifier = 'editor-profile';
      const displayName = getDisplayName();

      const tags: string[][] = [
        ['d', identifier],
        ['title', displayName],
        ['t', 'skateeditor'],
        ['alt', `Skate video editor: ${displayName}`],
      ];

      if (location.trim()) tags.push(['location', location.trim()]);
      if (latitude && longitude) {
        const lat = parseFloat(latitude);
        const lng = parseFloat(longitude);
        if (!isNaN(lat) && !isNaN(lng)) tags.push(['g', ngeohash.encode(lat, lng, 7)]);
      }
      for (const s of selectedServices) tags.push(['t', s]);
      for (const s of selectedSkills) tags.push(['t', s]);
      if (image) tags.push(['image', image]);
      if (experience.trim()) tags.push(['experience', experience.trim()]);
      if (rate.trim()) tags.push(['rate', rate.trim()]);
      if (phone.trim()) tags.push(['phone', phone.trim()]);
      if (email.trim()) tags.push(['email', email.trim()]);
      if (website.trim()) tags.push(['website', website.trim()]);
      if (portfolio.trim()) tags.push(['portfolio', portfolio.trim()]);
      if (social.trim()) tags.push(['social', social.trim()]);
      if (hardware.trim()) tags.push(['hardware', hardware.trim()]);
      if (software.trim()) tags.push(['software', software.trim()]);

      await createEvent({ kind: SKATE_EDITOR_KIND, content: bio.trim(), tags });

      toast({ title: 'Editor profile created!', description: 'Your profile has been published to SkateSpots.' });
      navigate(`/coach/${user?.pubkey}/${identifier}`);
    } catch (err) {
      toast({ title: 'Failed to publish', description: err instanceof Error ? err.message : 'Error', variant: 'destructive' });
    }
  };

  if (!user) {
    return (
      <Layout>
        <div className="container px-4 py-8">
          <Card className="max-w-xl mx-auto bg-gray-900 border-gray-700">
            <CardContent className="py-12 text-center">
              <Scissors className="h-12 w-12 mx-auto mb-4 text-gray-600" />
              <h2 className="text-xl font-bold mb-2">Login Required</h2>
              <p className="text-gray-400 mb-6">Log in to create your video editor profile.</p>
              <LoginArea className="justify-center max-w-60 mx-auto" />
            </CardContent>
          </Card>
        </div>
      </Layout>
    );
  }

  const hasNip05 = !!author.data?.metadata?.nip05;

  return (
    <Layout>
      <div className="container px-4 sm:px-6 py-6 sm:py-8 max-w-2xl">
        <div className="mb-6">
          <Link to="/lab" className="inline-flex items-center text-gray-400 hover:text-white transition-colors mb-4">
            <ArrowLeft className="h-4 w-4 mr-2" />
            Back to The Lab
          </Link>
          <h1 className="text-3xl font-black uppercase" style={{ color: '#c084fc', fontFamily: 'Impact, "Arial Black", sans-serif', textShadow: '0 0 20px rgba(192,132,252,0.6)' }}>
            Become a Video Editor
          </h1>
          <p className="text-gray-400 mt-1">Offer your video editing services to the skate community</p>

          {!hasNip05 && (
            <Card className="mt-4 bg-yellow-950/30 border-2 border-yellow-500/50">
              <CardContent className="p-4">
                <div className="flex items-start gap-3">
                  <span className="text-yellow-500">⚠️</span>
                  <div>
                    <h3 className="font-bold text-yellow-400 mb-1">NIP-05 Verification Recommended</h3>
                    <p className="text-sm text-gray-300 mb-2">Verify your identity to build trust with clients.</p>
                    <Link to="/settings">
                      <Button variant="outline" size="sm" className="border-yellow-500/50 hover:bg-yellow-500/10 text-yellow-400 font-bold">
                        Add NIP-05 in Settings
                      </Button>
                    </Link>
                  </div>
                </div>
              </CardContent>
            </Card>
          )}

          <Card className="mt-4 bg-purple-950/30 border-2 border-purple-500/50">
            <CardContent className="p-4">
              <div className="flex items-start gap-3">
                <Wallet className="h-6 w-6 text-purple-400 flex-shrink-0 mt-0.5" />
                <div className="flex-1">
                  <h3 className="font-bold text-purple-400 mb-2">⚡ Lightning Wallet for Payments</h3>
                  <p className="text-sm text-gray-300 mb-3">Receive Bitcoin ⚡ payments directly from clients for your editing work.</p>
                  {hasWallet ? (
                    <div className="p-3 rounded-lg bg-green-950/30 border border-green-500/50">
                      <div className="flex items-center gap-2">
                        <div className="h-2 w-2 rounded-full bg-green-500" />
                        <p className="text-sm font-bold text-green-400">Wallet Connected ✓</p>
                      </div>
                    </div>
                  ) : (
                    <div className="flex flex-col sm:flex-row gap-2">
                      <WalletModal>
                        <Button className="gap-2 bg-purple-600 hover:bg-purple-700 flex-1">
                          <Wallet className="h-4 w-4" />
                          Connect Wallet
                        </Button>
                      </WalletModal>
                      <a href="https://planb.academy/en/tutorials/wallet" target="_blank" rel="noopener noreferrer" className="flex-1">
                        <Button variant="outline" className="gap-2 w-full border-purple-500/50 text-purple-400 hover:bg-purple-500/10">
                          <ExternalLink className="h-4 w-4" /> Learn How
                        </Button>
                      </a>
                    </div>
                  )}
                </div>
              </div>
            </CardContent>
          </Card>
        </div>

        <form onSubmit={handleSubmit}>
          <Card className="bg-gray-900 border-gray-700">
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Scissors className="h-5 w-5 text-purple-400" />
                Editor Profile
              </CardTitle>
              <CardDescription className="text-gray-400">Tell the community about your editing style and skills</CardDescription>
            </CardHeader>
            <CardContent className="space-y-6">
              {/* Identity */}
              <div className="space-y-2">
                <Label>Your Identity</Label>
                <div className="p-4 rounded-lg border-2 border-purple-500/30 bg-purple-500/5">
                  <p className="font-black text-lg">{getDisplayName()}</p>
                  <p className="text-sm text-gray-400 mt-1">From your Nostr profile</p>
                </div>
              </div>

              {/* Profile image */}
              <div className="space-y-2">
                <Label>Profile / Showreel Thumbnail</Label>
                {image ? (
                  <div className="relative w-32 h-32">
                    <img src={image} alt="profile" className="w-32 h-32 object-cover rounded-lg border-2 border-purple-500/40" />
                    <Button type="button" variant="destructive" size="icon" className="absolute -top-2 -right-2 h-6 w-6" onClick={() => setImage(null)}>
                      <X className="h-3 w-3" />
                    </Button>
                  </div>
                ) : (
                  <label className="flex flex-col items-center justify-center w-full h-32 border-2 border-dashed border-gray-700 rounded-lg cursor-pointer hover:border-purple-500/50 transition-colors bg-gray-800/50">
                    <Upload className="h-8 w-8 text-gray-500 mb-2" />
                    <span className="text-sm text-gray-500">{isUploading ? 'Uploading…' : 'Upload image'}</span>
                    <input type="file" className="hidden" accept="image/*" onChange={handleImageUpload} disabled={isUploading} />
                  </label>
                )}
              </div>

              {/* Bio */}
              <div className="space-y-2">
                <Label htmlFor="bio">Bio / About Your Work</Label>
                <Textarea id="bio" placeholder="Your editing style, background, notable projects…" value={bio} onChange={(e) => setBio(e.target.value)} rows={5} className="bg-gray-800 border-gray-700" />
              </div>

              {/* Edit Types */}
              <div className="space-y-3">
                <Label>Edit Types Offered * (select at least one)</Label>
                <div className="grid grid-cols-1 sm:grid-cols-2 gap-2">
                  {SERVICE_ENTRIES.map(([service, label]) => (
                    <button
                      key={service}
                      type="button"
                      onClick={() => toggleService(service)}
                      className={cn(
                        'p-3 rounded-lg text-left transition-all border text-sm',
                        selectedServices.includes(service)
                          ? 'bg-purple-600 text-white border-purple-600'
                          : 'bg-gray-800 hover:bg-gray-700 border-gray-700'
                      )}
                    >
                      <div className="font-bold">{label}</div>
                      <div className="text-xs opacity-70 mt-1">{EDITOR_SERVICE_DESCRIPTIONS[service]}</div>
                    </button>
                  ))}
                </div>
              </div>

              {/* Software / Hardware Skills */}
              <div className="space-y-3">
                <Label>Software & Hardware Skills</Label>
                <div className="grid grid-cols-2 sm:grid-cols-3 gap-2">
                  {SKILL_ENTRIES.map(([skill, label]) => (
                    <button
                      key={skill}
                      type="button"
                      onClick={() => toggleSkill(skill)}
                      className={cn(
                        'p-2.5 rounded-lg text-left transition-all border text-sm',
                        selectedSkills.includes(skill)
                          ? 'bg-purple-500 text-white border-purple-500'
                          : 'bg-gray-800 hover:bg-gray-700 border-gray-700'
                      )}
                    >
                      <div className="font-bold text-xs uppercase">{label}</div>
                      <div className="text-[10px] opacity-60 mt-0.5 line-clamp-1">{EDITOR_SKILL_DESCRIPTIONS[skill]}</div>
                    </button>
                  ))}
                </div>
              </div>

              {/* Hardware / Software free-text */}
              <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                <div className="space-y-2">
                  <Label htmlFor="hardware" className="flex items-center gap-2">
                    <Monitor className="h-4 w-4 text-gray-400" /> Hardware
                  </Label>
                  <Input id="hardware" placeholder="e.g. MacBook Pro M3, Sony FX3" value={hardware} onChange={(e) => setHardware(e.target.value)} className="bg-gray-800 border-gray-700" />
                </div>
                <div className="space-y-2">
                  <Label htmlFor="software" className="flex items-center gap-2">
                    <Scissors className="h-4 w-4 text-gray-400" /> Software
                  </Label>
                  <Input id="software" placeholder="e.g. DaVinci Resolve, Premiere" value={software} onChange={(e) => setSoftware(e.target.value)} className="bg-gray-800 border-gray-700" />
                </div>
              </div>

              {/* Experience & Rate */}
              <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                <div className="space-y-2">
                  <Label htmlFor="experience">Years of Experience</Label>
                  <Input id="experience" placeholder="e.g. 5 years" value={experience} onChange={(e) => setExperience(e.target.value)} className="bg-gray-800 border-gray-700" />
                </div>
                <div className="space-y-2">
                  <Label htmlFor="rate">Rate / Pricing</Label>
                  <Input id="rate" placeholder="e.g. 50k sats/min, DM for quote" value={rate} onChange={(e) => setRate(e.target.value)} className="bg-gray-800 border-gray-700" />
                </div>
              </div>

              {/* Location */}
              <div className="space-y-2">
                <Label>Location (optional)</Label>
                <Input placeholder="City, Country" value={location} onChange={(e) => setLocation(e.target.value)} className="bg-gray-800 border-gray-700" />
                <div className="grid grid-cols-2 gap-2">
                  <Input placeholder="Latitude" value={latitude} onChange={(e) => setLatitude(e.target.value)} className="bg-gray-800 border-gray-700 text-sm" />
                  <Input placeholder="Longitude" value={longitude} onChange={(e) => setLongitude(e.target.value)} className="bg-gray-800 border-gray-700 text-sm" />
                </div>
                <Button type="button" variant="outline" size="sm" onClick={getCurrentLocation} disabled={isGettingLocation} className="gap-2 border-gray-700">
                  {isGettingLocation ? <Loader2 className="h-4 w-4 animate-spin" /> : <MapPin className="h-4 w-4" />}
                  Use My Location
                </Button>
              </div>

              {/* Contact & Portfolio */}
              <div className="space-y-4">
                <Label>Contact & Portfolio</Label>
                <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                  <Input placeholder="Email" value={email} onChange={(e) => setEmail(e.target.value)} className="bg-gray-800 border-gray-700" />
                  <Input placeholder="Phone / Telegram" value={phone} onChange={(e) => setPhone(e.target.value)} className="bg-gray-800 border-gray-700" />
                  <Input placeholder="Portfolio (Vimeo, YouTube…)" value={portfolio} onChange={(e) => setPortfolio(e.target.value)} className="bg-gray-800 border-gray-700" />
                  <Input placeholder="Website" value={website} onChange={(e) => setWebsite(e.target.value)} className="bg-gray-800 border-gray-700" />
                  <Input placeholder="Instagram / Social handle" value={social} onChange={(e) => setSocial(e.target.value)} className="bg-gray-800 border-gray-700" />
                </div>
              </div>
            </CardContent>
          </Card>

          <div className="mt-6 flex gap-3">
            <Link to="/lab" className="flex-1">
              <Button type="button" variant="outline" className="w-full border-gray-700">Cancel</Button>
            </Link>
            <Button
              type="submit"
              disabled={isPublishing || selectedServices.length === 0}
              className="flex-1 bg-purple-600 hover:bg-purple-700 font-black uppercase gap-2"
            >
              {isPublishing ? <Loader2 className="h-4 w-4 animate-spin" /> : <Scissors className="h-4 w-4" />}
              {isPublishing ? 'Publishing…' : 'Publish Editor Profile'}
            </Button>
          </div>
        </form>
      </div>
    </Layout>
  );
}