import { Box, Button, CircularProgress, Divider, Typography } from '@mui/material'
import { ArrowRight, Building2, Calendar, MapPin, Ruler } from 'lucide-react'
import { useNavigate } from 'react-router'
import { usePropertyById } from '../../hooks/useProperties'
import { useAdditionalMatchesForInquiry } from '../../hooks/useMatches'
import type { AdditionalPropertyMatch } from '../../domain/additionalMatch'

interface RelatedPropertyCardPanelProps {
  propertyId: string
  inquiryId: string
  compact?: boolean
}

export function RelatedPropertyCardPanel({ propertyId, inquiryId, compact }: RelatedPropertyCardPanelProps) {
  const { data: property, isLoading } = usePropertyById(propertyId)
  const navigate = useNavigate()
  const {
    data: additionalMatches = [],
    isLoading: loadingMatches,
  } = useAdditionalMatchesForInquiry(inquiryId, { minScore: 80, excludePropertyId: propertyId })

  if (isLoading) {
    return (
      <Box sx={{ display: 'flex', justifyContent: 'center', alignItems: 'center', p: 4 }}>
        <CircularProgress size={20} />
      </Box>
    )
  }

  if (!property) {
    return (
      <Box sx={{ p: 2 }}>
        <Typography variant="body2" color="text.secondary">
          Objekt nicht gefunden
        </Typography>
      </Box>
    )
  }

  const image = property.images?.[0]

  const detailRows = (
    <Box sx={{ display: 'flex', flexDirection: 'column', gap: 0.75 }}>
      <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, color: '#475569', fontSize: '0.8125rem' }}>
        <MapPin size={14} />
        <Typography variant="body2" sx={{ fontSize: '0.8125rem' }}>
          {property.location.city}
          {property.location.district ? `, ${property.location.district}` : ''}
        </Typography>
      </Box>
      <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, color: '#475569', fontSize: '0.8125rem' }}>
        <Ruler size={14} />
        <Typography variant="body2" sx={{ fontSize: '0.8125rem' }}>
          {property.areaSqm.toLocaleString('de-CH')} m² · CHF {property.rentPricePerSqm}/m²/Jahr
        </Typography>
      </Box>
      <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, color: '#475569', fontSize: '0.8125rem' }}>
        <Calendar size={14} />
        <Typography variant="body2" sx={{ fontSize: '0.8125rem' }}>
          Verfügbar ab {new Date(property.availabilityDate).toLocaleDateString('de-CH')}
        </Typography>
      </Box>
    </Box>
  )

  const matchesSection = (
    <>
      <Typography variant="caption" sx={{ color: '#64748b', fontWeight: 600, textTransform: 'uppercase', letterSpacing: 0.5, fontSize: '0.68rem' }}>
        Weitere passende Objekte
      </Typography>
      {loadingMatches ? (
        <CircularProgress size={16} sx={{ alignSelf: 'center' }} />
      ) : additionalMatches.length === 0 ? (
        <Typography variant="caption" sx={{ color: '#94a3b8', fontSize: '0.75rem' }}>
          Keine weiteren Matches
        </Typography>
      ) : (
        <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
          {additionalMatches.map(m => (
            <AdditionalMatchCard key={m.propertyId} match={m} />
          ))}
        </Box>
      )}
    </>
  )

  if (compact) {
    return (
      <Box sx={{ display: 'flex', gap: 2, p: 1.5, bgcolor: 'white' }}>
        <Box sx={{ flex: 1, minWidth: 0, display: 'flex', flexDirection: 'column', gap: 0.75 }}>
          <Typography sx={{ fontWeight: 600, color: '#0f172a', fontSize: '0.88rem', lineHeight: 1.3 }}>
            {property.title}
          </Typography>
          {detailRows}
          <Button
            variant="outlined"
            size="small"
            endIcon={<ArrowRight size={14} />}
            onClick={() => navigate('/supply/properties')}
            sx={{ textTransform: 'none', alignSelf: 'flex-start', mt: 'auto' }}
          >
            Objekt ansehen
          </Button>
        </Box>
        <Box sx={{ flex: 1, minWidth: 0, display: 'flex', flexDirection: 'column', gap: 1 }}>
          {matchesSection}
        </Box>
      </Box>
    )
  }

  return (
    <Box
      sx={{
        display: 'flex',
        flexDirection: 'column',
        gap: 1.5,
        p: 2,
        borderLeft: '1px solid #e2e8f0',
        bgcolor: '#f8fafc',
        height: '100%',
        overflowY: 'auto',
      }}
    >
      <Box
        sx={{
          height: 80,
          borderRadius: 1.5,
          overflow: 'hidden',
          bgcolor: '#e8e7e4',
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'center',
          backgroundImage: image ? `url(${image})` : 'none',
          backgroundSize: 'cover',
          backgroundPosition: 'center',
        }}
      >
        {!image && <Building2 size={32} color="#94a3b8" />}
      </Box>

      <Typography variant="body1" sx={{ fontWeight: 600, color: '#0f172a', fontSize: '0.95rem' }}>
        {property.title}
      </Typography>

      {detailRows}

      {property.description && (
        <Typography variant="body2" sx={{ color: '#64748b', fontSize: '0.8125rem', lineHeight: 1.5 }}>
          {property.description}
        </Typography>
      )}

      <Button
        variant="outlined"
        size="small"
        endIcon={<ArrowRight size={14} />}
        onClick={() => navigate('/supply/properties')}
        sx={{ textTransform: 'none' }}
      >
        Objekt ansehen
      </Button>

      <Divider sx={{ my: 0.5 }} />
      <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
        {matchesSection}
      </Box>
    </Box>
  )
}

function AdditionalMatchCard({ match }: { match: AdditionalPropertyMatch }) {
  const navigate = useNavigate()
  return (
    <Box
      sx={{
        borderTop: '1px solid #f1f5f9',
        pt: 1,
        '&:first-of-type': { borderTop: 'none', pt: 0 },
      }}
    >
      <Box sx={{ display: 'flex', justifyContent: 'space-between', alignItems: 'baseline', mb: 0.25 }}>
        <Typography sx={{ fontWeight: 600, color: '#0f172a', fontSize: '0.8rem', lineHeight: 1.3, mr: 0.5 }}>
          {match.title}
        </Typography>
        <Typography sx={{ fontSize: '0.75rem', fontWeight: 700, color: '#152642', flexShrink: 0 }}>
          {match.matchScore}%
        </Typography>
      </Box>
      <Typography variant="caption" sx={{ color: '#64748b', fontSize: '0.72rem', display: 'block', mb: 0.375 }}>
        {match.location} · {match.areaSqm.toLocaleString('de-CH')} m²
      </Typography>
      {match.reasons[0] && (
        <Typography variant="caption" sx={{ color: '#15803d', fontSize: '0.7rem', display: 'block', mb: 0.375, lineHeight: 1.4 }}>
          + {match.reasons[0]}
        </Typography>
      )}
      <Button
        size="small"
        endIcon={<ArrowRight size={10} />}
        onClick={() => navigate('/supply/properties')}
        sx={{ textTransform: 'none', fontSize: '0.7rem', p: 0, minWidth: 0, color: '#152642' }}
      >
        Ansehen
      </Button>
    </Box>
  )
}