import { AppLayout } from '@/components/AppLayout'
import { Badge } from '@/components/ui/badge'
import { Button } from '@/components/ui/button'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
import {
  Dialog,
  DialogContent,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from '@/components/ui/dialog'
import { Input } from '@/components/ui/input'
import { Label } from '@/components/ui/label'
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from '@/components/ui/table'
import {
  type ExtractionInfo,
  extractionsService,
} from '@/lib/api/services/extractions'
import { formatDateDistanceToNow } from '@/utils/format-date'
import {
  AlertCircle,
  Calendar,
  CheckCircle,
  Clock,
  Download,
  ExternalLink,
  Loader2,
  Plus,
} from 'lucide-react'
import { useEffect, useState } from 'react'
import { toast } from 'sonner'

export function ExtractionsPage() {
  const [extractions, setExtractions] = useState<ExtractionInfo[]>([])
  const [isLoading, setIsLoading] = useState(true)
  const [isDialogOpen, setIsDialogOpen] = useState(false)
  const [url, setUrl] = useState('')
  const [isCreating, setIsCreating] = useState(false)

  // Load extractions
  const loadExtractions = async () => {
    try {
      setIsLoading(true)
      const data = await extractionsService.getUserExtractions()
      setExtractions(data)
    } catch (error) {
      console.error('Failed to load extractions:', error)
      toast.error('Failed to load extractions')
    } finally {
      setIsLoading(false)
    }
  }

  useEffect(() => {
    loadExtractions()
  }, [])

  // Create new extraction
  const handleCreateExtraction = async () => {
    if (!url.trim()) {
      toast.error('Please enter a URL')
      return
    }

    try {
      setIsCreating(true)
      const response = await extractionsService.createExtraction(url.trim())
      toast.success(response.message)
      setUrl('')
      setIsDialogOpen(false)
      // Refresh the list
      await loadExtractions()
    } catch (error) {
      console.error('Failed to create extraction:', error)
      toast.error('Failed to create extraction')
    } finally {
      setIsCreating(false)
    }
  }

  const getStatusBadge = (status: ExtractionInfo['status']) => {
    switch (status) {
      case 'pending':
        return (
          <Badge variant="secondary" className="gap-1">
            <Clock className="h-3 w-3" />
            Pending
          </Badge>
        )
      case 'processing':
        return (
          <Badge variant="outline" className="gap-1">
            <Loader2 className="h-3 w-3 animate-spin" />
            Processing
          </Badge>
        )
      case 'completed':
        return (
          <Badge variant="default" className="gap-1">
            <CheckCircle className="h-3 w-3" />
            Completed
          </Badge>
        )
      case 'failed':
        return (
          <Badge variant="destructive" className="gap-1">
            <AlertCircle className="h-3 w-3" />
            Failed
          </Badge>
        )
    }
  }

  const getServiceBadge = (service: string | undefined) => {
    if (!service) return null

    const serviceColors: Record<string, string> = {
      youtube: 'bg-red-100 text-red-800 dark:bg-red-900 dark:text-red-300',
      soundcloud:
        'bg-orange-100 text-orange-800 dark:bg-orange-900 dark:text-orange-300',
      vimeo: 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-300',
      tiktok: 'bg-pink-100 text-pink-800 dark:bg-pink-900 dark:text-pink-300',
      twitter: 'bg-sky-100 text-sky-800 dark:bg-sky-900 dark:text-sky-300',
      instagram:
        'bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-300',
    }

    const colorClass =
      serviceColors[service.toLowerCase()] ||
      'bg-gray-100 text-gray-800 dark:bg-gray-900 dark:text-gray-300'

    return (
      <Badge variant="outline" className={colorClass}>
        {service.toUpperCase()}
      </Badge>
    )
  }

  return (
    <AppLayout
      breadcrumb={{
        items: [{ label: 'Dashboard', href: '/' }, { label: 'Extractions' }],
      }}
    >
      <div className="flex-1 rounded-xl bg-muted/50 p-4">
        <div className="flex items-center justify-between mb-6">
          <div>
            <h1 className="text-2xl font-bold">Audio Extractions</h1>
            <p className="text-muted-foreground">
              Extract audio from YouTube, SoundCloud, and other platforms
            </p>
          </div>

          <Dialog open={isDialogOpen} onOpenChange={setIsDialogOpen}>
            <DialogTrigger asChild>
              <Button className="gap-2">
                <Plus className="h-4 w-4" />
                Add Extraction
              </Button>
            </DialogTrigger>
            <DialogContent>
              <DialogHeader>
                <DialogTitle>Create New Extraction</DialogTitle>
              </DialogHeader>
              <div className="space-y-4">
                <div>
                  <Label htmlFor="url">URL</Label>
                  <Input
                    id="url"
                    placeholder="https://www.youtube.com/watch?v=..."
                    value={url}
                    onChange={e => setUrl(e.target.value)}
                    onKeyDown={e => {
                      if (e.key === 'Enter' && !isCreating) {
                        handleCreateExtraction()
                      }
                    }}
                  />
                  <p className="text-sm text-muted-foreground mt-1">
                    Supports YouTube, SoundCloud, Vimeo, TikTok, Twitter,
                    Instagram, and more
                  </p>
                </div>
                <div className="flex justify-end gap-2">
                  <Button
                    variant="outline"
                    onClick={() => setIsDialogOpen(false)}
                  >
                    Cancel
                  </Button>
                  <Button
                    onClick={handleCreateExtraction}
                    disabled={isCreating}
                  >
                    {isCreating ? (
                      <>
                        <Loader2 className="h-4 w-4 mr-2 animate-spin" />
                        Creating...
                      </>
                    ) : (
                      'Create Extraction'
                    )}
                  </Button>
                </div>
              </div>
            </DialogContent>
          </Dialog>
        </div>

        {isLoading ? (
          <div className="flex items-center justify-center py-8">
            <Loader2 className="h-6 w-6 animate-spin mr-2" />
            Loading extractions...
          </div>
        ) : extractions.length === 0 ? (
          <Card>
            <CardContent className="py-8">
              <div className="text-center">
                <Download className="h-12 w-12 mx-auto text-muted-foreground mb-4" />
                <h3 className="text-lg font-semibold mb-2">
                  No extractions yet
                </h3>
                <p className="text-muted-foreground mb-4">
                  Start by adding a URL to extract audio from your favorite
                  platforms
                </p>
                <Button onClick={() => setIsDialogOpen(true)} className="gap-2">
                  <Plus className="h-4 w-4" />
                  Add Your First Extraction
                </Button>
              </div>
            </CardContent>
          </Card>
        ) : (
          <Card>
            <CardHeader>
              <CardTitle>Recent Extractions ({extractions.length})</CardTitle>
            </CardHeader>
            <CardContent>
              <Table>
                <TableHeader>
                  <TableRow>
                    <TableHead>Title</TableHead>
                    <TableHead>Service</TableHead>
                    <TableHead>Status</TableHead>
                    <TableHead>Created</TableHead>
                    <TableHead>Actions</TableHead>
                  </TableRow>
                </TableHeader>
                <TableBody>
                  {extractions.map(extraction => (
                    <TableRow key={extraction.id}>
                      <TableCell>
                        <div>
                          <div className="font-medium">
                            {extraction.title || 'Extracting...'}
                          </div>
                          <div className="text-sm text-muted-foreground truncate max-w-64">
                            {extraction.url}
                          </div>
                        </div>
                      </TableCell>
                      <TableCell>
                        {getServiceBadge(extraction.service)}
                      </TableCell>
                      <TableCell>
                        {getStatusBadge(extraction.status)}
                        {extraction.error && (
                          <div
                            className="text-xs text-destructive mt-1 max-w-48 truncate"
                            title={extraction.error}
                          >
                            {extraction.error}
                          </div>
                        )}
                      </TableCell>
                      <TableCell>
                        <div className="flex items-center gap-1 text-sm text-muted-foreground">
                          <Calendar className="h-3 w-3" />
                          {formatDateDistanceToNow(extraction.created_at)}
                        </div>
                      </TableCell>
                      <TableCell>
                        <div className="flex items-center gap-1">
                          <Button variant="ghost" size="sm" asChild>
                            <a
                              href={extraction.url}
                              target="_blank"
                              rel="noopener noreferrer"
                            >
                              <ExternalLink className="h-4 w-4" />
                            </a>
                          </Button>
                        </div>
                      </TableCell>
                    </TableRow>
                  ))}
                </TableBody>
              </Table>
            </CardContent>
          </Card>
        )}
      </div>
    </AppLayout>
  )
}