import { useState, useEffect } from 'react';
import { useParams, useNavigate } from 'react-router-dom';
import { Header } from '@/components/layout/Header';
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
import { Separator } from '@/components/ui/separator';
import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog';
import { 
  MapPin, 
  Star, 
  Clock, 
  Zap,
  ArrowLeft,
  Users,
  Ruler,
  Timer,
  TrendingUp,
  TrendingDown,
  Camera,
  Heart,
  RotateCcw,
  AlertTriangle,
  FerrisWheel,
  Waves,
  Theater,
  Train,
  Edit
} from 'lucide-react';
import { ReviewsSection } from '@/components/reviews/ReviewsSection';
import { MeasurementDisplay } from '@/components/ui/measurement-display';
import { EntityPhotoGallery } from '@/components/upload/EntityPhotoGallery';
import { RatingDistribution } from '@/components/rides/RatingDistribution';
import { RideHighlights } from '@/components/rides/RideHighlights';
import { SimilarRides } from '@/components/rides/SimilarRides';
import { FormerNames } from '@/components/rides/FormerNames';
import { RecentPhotosPreview } from '@/components/rides/RecentPhotosPreview';
import { ParkLocationMap } from '@/components/maps/ParkLocationMap';
import { Ride } from '@/types/database';
import { supabase } from '@/integrations/supabase/client';
import { RideForm } from '@/components/admin/RideForm';
import { useAuth } from '@/hooks/useAuth';
import { useUserRole } from '@/hooks/useUserRole';
import { toast } from '@/hooks/use-toast';

export default function RideDetail() {
  const { parkSlug, rideSlug } = useParams<{ parkSlug: string; rideSlug: string }>();
  const navigate = useNavigate();
  const [ride, setRide] = useState<Ride | null>(null);
  const [loading, setLoading] = useState(true);
  const [activeTab, setActiveTab] = useState("overview");
  const [isEditModalOpen, setIsEditModalOpen] = useState(false);
  const { user } = useAuth();
  const { isModerator } = useUserRole();

  useEffect(() => {
    if (parkSlug && rideSlug) {
      fetchRideData();
    }
  }, [parkSlug, rideSlug]);

  const fetchRideData = async () => {
    try {
      // First get park to find park_id
      const { data: parkData } = await supabase
        .from('parks')
        .select('id')
        .eq('slug', parkSlug)
        .maybeSingle();

      if (parkData) {
        // Then get ride details with park_id stored separately
        const { data: rideData } = await supabase
          .from('rides')
          .select(`
            *, 
            park:parks!inner(id, name, slug, location:locations(*)),
            manufacturer:companies!rides_manufacturer_id_fkey(*),
            designer:companies!rides_designer_id_fkey(*)
          `)
          .eq('park_id', parkData.id)
          .eq('slug', rideSlug)
          .maybeSingle();

        if (rideData) {
          // Store park_id for easier access
          (rideData as any).currentParkId = parkData.id;
        }

        setRide(rideData);
      }
    } catch (error) {
      console.error('Error fetching ride data:', error);
    } finally {
      setLoading(false);
    }
  };

  const getStatusColor = (status: string) => {
    switch (status) {
      case 'operating': return 'bg-green-500/20 text-green-400 border-green-500/30';
      case 'seasonal': return 'bg-yellow-500/20 text-yellow-400 border-yellow-500/30';
      case 'under_construction': return 'bg-blue-500/20 text-blue-400 border-blue-500/30';
      default: return 'bg-red-500/20 text-red-400 border-red-500/30';
    }
  };

  const getRideIcon = (category: string) => {
    switch (category) {
      case 'roller_coaster': return <FerrisWheel className="w-20 h-20" />;
      case 'water_ride': return <Waves className="w-20 h-20" />;
      case 'dark_ride': return <Theater className="w-20 h-20" />;
      case 'flat_ride': return <FerrisWheel className="w-20 h-20" />;
      case 'kiddie_ride': return <FerrisWheel className="w-20 h-20" />;
      case 'transportation': return <Train className="w-20 h-20" />;
      default: return <FerrisWheel className="w-20 h-20" />;
    }
  };

  const formatCategory = (category: string) => {
    return category.split('_').map(word => 
      word.charAt(0).toUpperCase() + word.slice(1)
    ).join(' ');
  };

  const handleEditSubmit = async (data: any) => {
    if (!user || !ride) return;

    try {
      // Everyone goes through submission queue
      const { submitRideUpdate } = await import('@/lib/entitySubmissionHelpers');
      await submitRideUpdate(ride.id, data, user.id);

      toast({
        title: "Edit Submitted",
        description: isModerator
          ? "Your edit has been submitted. You can approve it in the moderation queue."
          : "Your ride edit has been submitted for review."
      });

      setIsEditModalOpen(false);
    } catch (error: any) {
      toast({
        title: "Error",
        description: error.message || "Failed to submit edit.",
        variant: "destructive"
      });
    }
  };

  if (loading) {
    return (
      <div className="min-h-screen bg-background">
        <Header />
        <div className="container mx-auto px-4 py-8">
          <div className="animate-pulse space-y-6">
            <div className="h-64 bg-muted rounded-lg"></div>
            <div className="h-8 bg-muted rounded w-1/2"></div>
            <div className="h-4 bg-muted rounded w-1/3"></div>
          </div>
        </div>
      </div>
    );
  }

  if (!ride || !ride.park) {
    return (
      <div className="min-h-screen bg-background">
        <Header />
        <div className="container mx-auto px-4 py-8">
          <div className="text-center py-12">
            <h1 className="text-2xl font-bold mb-4">Ride Not Found</h1>
            <p className="text-muted-foreground mb-6">
              The ride you're looking for doesn't exist or has been removed.
            </p>
            <Button onClick={() => navigate('/rides')}>
              <ArrowLeft className="w-4 h-4 mr-2" />
              Back to Rides
            </Button>
          </div>
        </div>
      </div>
    );
  }

  return (
    <div className="min-h-screen bg-background">
      <Header />
      
      <main className="container mx-auto px-4 py-8">
        {/* Back Button and Edit Button */}
        <div className="flex items-center justify-between mb-6">
          <Button 
            variant="ghost" 
            onClick={() => navigate(`/parks/${ride.park?.slug}`)}
          >
            <ArrowLeft className="w-4 h-4 mr-2" />
            Back to {ride.park?.name}
          </Button>
          
          <Button 
            variant="outline"
            onClick={() => {
              if (!user) {
                navigate('/auth');
              } else {
                setIsEditModalOpen(true);
              }
            }}
          >
            <Edit className="w-4 h-4 mr-2" />
            Edit Ride
          </Button>
        </div>

        {/* Hero Section */}
        <div className="relative mb-8">
          <div className="aspect-[21/9] bg-gradient-to-br from-primary/20 via-secondary/20 to-accent/20 rounded-lg overflow-hidden relative">
            {(ride.banner_image_url || ride.banner_image_id) ? (
              <img 
                src={ride.banner_image_url || `https://imagedelivery.net/X-2-mmiWukWxvAQQ2_o-7Q/${ride.banner_image_id}/public`} 
                alt={ride.name}
                className="w-full h-full object-cover"
              />
            ) : (
              <div className="flex items-center justify-center h-full">
                <div className="opacity-50">
                  {getRideIcon(ride.category)}
                </div>
              </div>
            )}
            <div className="absolute inset-0 bg-gradient-to-t from-black/60 via-transparent to-transparent" />
            
            {/* Ride Title Overlay */}
            <div className="absolute bottom-0 left-0 right-0 p-8">
              <div className="flex items-end justify-between">
                <div>
                  <div className="flex items-center gap-3 mb-2">
                    <Badge className={`${getStatusColor(ride.status)} border`}>
                      {ride.status.replace('_', ' ').toUpperCase()}
                    </Badge>
                    <Badge variant="outline" className="bg-black/20 text-white border-white/20">
                      {formatCategory(ride.category)}
                    </Badge>
                  </div>
                  <h1 className="text-4xl md:text-6xl font-bold text-white mb-2">
                    {ride.name}
                  </h1>
                  <div className="flex items-center text-white/90 text-lg">
                    <MapPin className="w-5 h-5 mr-2" />
                    {ride.park.name}
                  </div>
                </div>
                
                {ride.average_rating > 0 && (
                  <div className="bg-black/30 backdrop-blur-md rounded-lg p-6 text-center min-w-[160px]">
                    <div className="flex items-center justify-center gap-2 text-white mb-2">
                      <Star className="w-6 h-6 fill-yellow-400 text-yellow-400" />
                      <span className="text-3xl font-bold">
                        {ride.average_rating.toFixed(1)}
                      </span>
                    </div>
                    <div className="text-white/90 text-sm mb-3">
                      {ride.review_count} {ride.review_count === 1 ? "review" : "reviews"}
                    </div>
                    <Button 
                      size="sm" 
                      variant="secondary"
                      onClick={() => setActiveTab("reviews")}
                    >
                      Write Review
                    </Button>
                  </div>
                )}
              </div>
            </div>
          </div>
        </div>

        {/* Quick Stats */}
        <div className="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 gap-4 mb-8">
          {ride.max_speed_kmh && (
            <Card>
              <CardContent className="p-4 text-center">
                <Zap className="w-6 h-6 text-primary mx-auto mb-2" />
                <div className="text-2xl font-bold text-primary">
                  <MeasurementDisplay value={ride.max_speed_kmh} type="speed" />
                </div>
              </CardContent>
            </Card>
          )}
          
          {ride.max_height_meters && (
            <Card>
              <CardContent className="p-4 text-center">
                <TrendingUp className="w-6 h-6 text-accent mx-auto mb-2" />
                <div className="text-2xl font-bold text-accent">
                  <MeasurementDisplay value={ride.max_height_meters} type="distance" />
                </div>
              </CardContent>
            </Card>
          )}
          
          {ride.length_meters && (
            <Card>
              <CardContent className="p-4 text-center">
                <Ruler className="w-6 h-6 text-secondary mx-auto mb-2" />
                <div className="text-2xl font-bold text-secondary">
                  <MeasurementDisplay value={ride.length_meters} type="distance" />
                </div>
                <div className="text-sm text-muted-foreground">long</div>
              </CardContent>
            </Card>
          )}
          
          {ride.duration_seconds && (
            <Card>
              <CardContent className="p-4 text-center">
                <Timer className="w-6 h-6 text-primary mx-auto mb-2" />
                <div className="text-2xl font-bold text-primary">{Math.floor(ride.duration_seconds / 60)}:{(ride.duration_seconds % 60).toString().padStart(2, '0')}</div>
                <div className="text-sm text-muted-foreground">duration</div>
              </CardContent>
            </Card>
          )}
          
          {ride.capacity_per_hour && (
            <Card>
              <CardContent className="p-4 text-center">
                <Users className="w-6 h-6 text-accent mx-auto mb-2" />
                <div className="text-2xl font-bold text-accent">{ride.capacity_per_hour}</div>
                <div className="text-sm text-muted-foreground">riders/hour</div>
              </CardContent>
            </Card>
          )}
          
          {ride.inversions !== null && ride.inversions !== undefined && (
            <Card>
              <CardContent className="p-4 text-center">
                <RotateCcw className="w-6 h-6 text-accent mx-auto mb-2" />
                <div className="text-2xl font-bold text-accent">{ride.inversions}</div>
                <div className="text-sm text-muted-foreground">inversions</div>
              </CardContent>
            </Card>
          )}

          {/* New roller coaster specific stats */}
          {ride.drop_height_meters && (
            <Card>
              <CardContent className="p-4 text-center">
                <TrendingDown className="w-6 h-6 mx-auto mb-2 text-destructive" />
                <div className="text-2xl font-bold text-destructive">
                  <MeasurementDisplay value={ride.drop_height_meters} type="distance" />
                </div>
                <div className="text-sm text-muted-foreground">drop</div>
              </CardContent>
            </Card>
          )}

          {ride.max_g_force && (
            <Card>
              <CardContent className="p-4 text-center">
                <Zap className="w-6 h-6 mx-auto mb-2 text-warning" />
                <div className="text-2xl font-bold text-warning">{ride.max_g_force}g</div>
                <div className="text-sm text-muted-foreground">max G-force</div>
              </CardContent>
            </Card>
          )}
        </div>


        {/* Main Content */}
        <Tabs value={activeTab} onValueChange={setActiveTab} className="w-full">
          <TabsList className="grid w-full grid-cols-2 md:grid-cols-4">
            <TabsTrigger value="overview">Overview</TabsTrigger>
            <TabsTrigger value="specs">Specifications</TabsTrigger>
            <TabsTrigger value="reviews">Reviews</TabsTrigger>
            <TabsTrigger value="photos">Photos</TabsTrigger>
          </TabsList>

          <TabsContent value="overview" className="mt-6">
            <div className="grid lg:grid-cols-3 gap-6">
              <div className="lg:col-span-2 space-y-6">
                {/* Description */}
                {ride.description && (
                  <Card>
                    <CardHeader>
                      <CardTitle>About {ride.name}</CardTitle>
                    </CardHeader>
                    <CardContent>
                      <p className="text-muted-foreground leading-relaxed">
                        {ride.description}
                      </p>
                    </CardContent>
                  </Card>
                )}

                {ride.name_history && ride.name_history.length > 0 && (
                  <FormerNames nameHistory={ride.name_history} currentName={ride.name} />
                )}

                <SimilarRides 
                  currentRideId={ride.id}
                  parkId={(ride as any).currentParkId}
                  parkSlug={parkSlug || ''}
                  category={ride.category}
                />

                <RecentPhotosPreview 
                  rideId={ride.id}
                  onViewAll={() => setActiveTab("photos")}
                />
              </div>

              <div className="space-y-6">
                <RatingDistribution 
                  rideId={ride.id}
                  totalReviews={ride.review_count}
                  averageRating={ride.average_rating}
                />
                {/* Ride Information */}
                <Card>
                  <CardHeader>
                    <CardTitle>Ride Information</CardTitle>
                  </CardHeader>
                  <CardContent className="space-y-4">
                    <div>
                      <div className="font-medium">Category</div>
                      <div className="text-sm text-muted-foreground">
                        {formatCategory(ride.category)}
                      </div>
                    </div>

                    {ride.opening_date && (
                      <div className="flex items-center gap-3">
                        <Clock className="w-4 h-4 text-muted-foreground" />
                        <div>
                          <div className="font-medium">Opened</div>
                          <div className="text-sm text-muted-foreground">
                            {ride.opening_date.split('-')[0]}
                          </div>
                        </div>
                      </div>
                    )}

                    {ride.manufacturer && (
                      <div className="flex items-center gap-3">
                        <Users className="w-4 h-4 text-muted-foreground" />
                        <div>
                          <div className="font-medium">Manufacturer</div>
                          <div className="text-sm text-muted-foreground">
                            {ride.manufacturer.name}
                          </div>
                        </div>
                      </div>
                    )}

                    {ride.designer && (
                      <div className="flex items-center gap-3">
                        <Users className="w-4 h-4 text-muted-foreground" />
                        <div>
                          <div className="font-medium">Designer</div>
                          <div className="text-sm text-muted-foreground">
                            {ride.designer.name}
                          </div>
                        </div>
                      </div>
                    )}

                    {/* Roller Coaster Specific Info */}
                    {ride.category === 'roller_coaster' && (ride.coaster_type || ride.seating_type || ride.intensity_level) && (
                      <>
                        <Separator />
                        <div className="space-y-3">
                          <div className="font-medium">Coaster Details</div>
                          {ride.coaster_type && (
                            <div className="flex items-center gap-3">
                              <div className="text-lg">🎢</div>
                              <div>
                                <div className="font-medium">Type</div>
                                <div className="text-sm text-muted-foreground">
                                  {ride.coaster_type.charAt(0).toUpperCase() + ride.coaster_type.slice(1)}
                                </div>
                              </div>
                            </div>
                          )}
                          {ride.seating_type && (
                            <div className="flex items-center gap-3">
                              <div className="text-lg">💺</div>
                              <div>
                                <div className="font-medium">Seating</div>
                                <div className="text-sm text-muted-foreground">
                                  {ride.seating_type.replace('_', ' ').replace(/\b\w/g, l => l.toUpperCase())}
                                </div>
                              </div>
                            </div>
                          )}
                          {ride.intensity_level && (
                            <div className="flex items-center gap-3">
                              <div className="text-lg">🔥</div>
                              <div>
                                <div className="font-medium">Intensity</div>
                                <div className="text-sm text-muted-foreground">
                                  {ride.intensity_level.charAt(0).toUpperCase() + ride.intensity_level.slice(1)}
                                </div>
                              </div>
                            </div>
                          )}
                        </div>
                      </>
                    )}

                    <Separator />

                    <div className="space-y-2">
                      <div className="font-medium">Located at</div>
                      <Button 
                        variant="outline" 
                        className="w-full justify-start"
                        onClick={() => navigate(`/parks/${ride.park?.slug}`)}
                      >
                        <MapPin className="w-4 h-4 mr-2" />
                        {ride.park.name}
                      </Button>
                    </div>
                  </CardContent>
                </Card>
              </div>
            </div>
          </TabsContent>

          <TabsContent value="specs" className="mt-6">
            <div className="grid md:grid-cols-2 gap-6">
              {/* Performance Stats */}
              <Card>
                <CardHeader>
                  <CardTitle>Performance</CardTitle>
                </CardHeader>
                <CardContent className="space-y-4">
                  {ride.max_speed_kmh && (
                    <div className="flex justify-between">
                      <span>Maximum Speed</span>
                      <span className="font-medium">
                        <MeasurementDisplay value={ride.max_speed_kmh} type="speed" />
                      </span>
                    </div>
                  )}
                  {ride.max_height_meters && (
                    <div className="flex justify-between">
                      <span>Maximum Height</span>
                      <span className="font-medium">
                        <MeasurementDisplay value={ride.max_height_meters} type="distance" />
                      </span>
                    </div>
                  )}
                  {ride.length_meters && (
                    <div className="flex justify-between">
                      <span>Track Length</span>
                      <span className="font-medium">
                        <MeasurementDisplay value={ride.length_meters} type="distance" />
                      </span>
                    </div>
                  )}
                  {ride.duration_seconds && (
                    <div className="flex justify-between">
                      <span>Ride Duration</span>
                      <span className="font-medium">{Math.floor(ride.duration_seconds / 60)}:{(ride.duration_seconds % 60).toString().padStart(2, '0')}</span>
                    </div>
                  )}
                  {ride.inversions && ride.inversions > 0 && (
                    <div className="flex justify-between">
                      <span>Inversions</span>
                      <span className="font-medium">{ride.inversions}</span>
                    </div>
                  )}
                  {ride.drop_height_meters && (
                    <div className="flex justify-between">
                      <span>Drop Height</span>
                      <span className="font-medium">
                        <MeasurementDisplay value={ride.drop_height_meters} type="distance" />
                      </span>
                    </div>
                  )}
                  {ride.max_g_force && (
                    <div className="flex justify-between">
                      <span>Maximum G-Force</span>
                      <span className="font-medium">{ride.max_g_force}g</span>
                    </div>
                  )}
                </CardContent>
              </Card>

              {/* Operational Info */}
              <Card>
                <CardHeader>
                  <CardTitle>Operational Details</CardTitle>
                </CardHeader>
                <CardContent className="space-y-4">
                  {ride.capacity_per_hour && (
                    <div className="flex justify-between">
                      <span>Capacity</span>
                      <span className="font-medium">{ride.capacity_per_hour} riders/hour</span>
                    </div>
                  )}
                  {ride.height_requirement && (
                    <div className="flex justify-between">
                      <span>Height Requirement</span>
                      <span className="font-medium">
                        <MeasurementDisplay value={ride.height_requirement} type="height" /> minimum
                      </span>
                    </div>
                  )}
                  {ride.age_requirement && (
                    <div className="flex justify-between">
                      <span>Age Requirement</span>
                      <span className="font-medium">{ride.age_requirement}+ years</span>
                    </div>
                  )}
                  <div className="flex justify-between">
                    <span>Status</span>
                    <Badge className={getStatusColor(ride.status)}>
                      {ride.status.replace('_', ' ')}
                    </Badge>
                  </div>
                </CardContent>
              </Card>
            </div>
          </TabsContent>

          <TabsContent value="reviews" className="mt-6">
            <ReviewsSection
              entityType="ride"
              entityId={ride.id}
              entityName={ride.name}
              averageRating={ride.average_rating}
              reviewCount={ride.review_count}
            />
          </TabsContent>

          <TabsContent value="photos" className="mt-6">
            <EntityPhotoGallery
              entityId={ride.id}
              entityType="ride"
              entityName={ride.name}
              parentId={(ride as any).currentParkId}
            />
          </TabsContent>
        </Tabs>

        {/* Edit Ride Modal */}
        <Dialog open={isEditModalOpen} onOpenChange={setIsEditModalOpen}>
          <DialogContent className="max-w-5xl max-h-[90vh] overflow-y-auto">
            <DialogHeader>
              <DialogTitle>Edit Ride</DialogTitle>
              <DialogDescription>
                {isModerator 
                  ? "Make changes to this ride. Changes will be applied immediately."
                  : "Submit changes to this ride for review. A moderator will review your submission."}
              </DialogDescription>
            </DialogHeader>
            {ride && (
              <RideForm
                initialData={{
                  id: ride.id,
                  name: ride.name,
                  slug: ride.slug,
                  description: ride.description,
                  category: ride.category,
                  ride_sub_type: ride.ride_sub_type,
                  status: ride.status,
                  opening_date: ride.opening_date,
                  closing_date: ride.closing_date,
                  height_requirement: ride.height_requirement,
                  age_requirement: ride.age_requirement,
                  capacity_per_hour: ride.capacity_per_hour,
                  duration_seconds: ride.duration_seconds,
                  max_speed_kmh: ride.max_speed_kmh,
                  max_height_meters: ride.max_height_meters,
                  length_meters: ride.length_meters,
                  inversions: ride.inversions,
                  coaster_type: ride.coaster_type,
                  seating_type: ride.seating_type,
                  intensity_level: ride.intensity_level,
                  drop_height_meters: ride.drop_height_meters,
                  max_g_force: ride.max_g_force,
                  manufacturer_id: ride.manufacturer?.id,
                  ride_model_id: ride.ride_model?.id,
                  banner_image_url: ride.banner_image_url,
                  card_image_url: ride.card_image_url
                }}
                onSubmit={handleEditSubmit}
                onCancel={() => setIsEditModalOpen(false)}
                isEditing={true}
              />
            )}
          </DialogContent>
        </Dialog>
      </main>
    </div>
  );
}