import { Alert, Box, Card, Divider, Typography } from '@mui/material'
import { MapPin } from 'lucide-react'
import { MatchCardHeader } from './MatchCardHeader'
import { MatchReasonList } from './MatchReasonList'
import { TradeoffList } from './TradeoffList'
import { MatchDataQualitySummary } from './MatchDataQualitySummary'
import { MatchActionToolbar } from './MatchActionToolbar'
import { MatchCardRestrictedState } from './MatchCardRestrictedState'
import { ScoreInlineBreakdown } from './ScoreInlineBreakdown'
import type { MatchCardViewModel } from './MatchCardViewModel'

interface Props {
  vm: MatchCardViewModel
}

export function MatchCardCompact({ vm }: Props) {
  if (vm.isRestricted) return <MatchCardRestrictedState />

  const borderColor = vm.isCompareSelected
    ? '#7c3aed'
    : vm.isSelected
    ? '#1e3a5f'
    : 'transparent'

  return (
    <Card
      sx={{
        p: 2.5,
        mb: 1.5,
        border: `2px solid ${borderColor}`,
        opacity: vm.isStaleData ? 0.75 : 1,
        transition: 'border-color 0.15s',
      }}
    >
      {/* FUTURE_AVAILABILITY disclaimer — mandatory, non-dismissable */}
      {vm.disclaimer && (
        <Alert severity="warning" sx={{ mb: 1.5, py: 0.5 }}>
          {vm.disclaimer}
        </Alert>
      )}

      {vm.isReviewRequired && (
        <Alert severity="info" sx={{ mb: 1.5, py: 0.5 }}>
          Manuelle Überprüfung erforderlich
        </Alert>
      )}

      {/* Header: score → type → confidence → availability → risk */}
      <MatchCardHeader vm={vm} compact />

      {/* Title + location (max 2 lines) */}
      <Box sx={{ mt: 1.25, mb: 1.25 }}>
        <Typography variant="subtitle1" sx={{ fontWeight: 600 }} noWrap>
          {vm.title}
        </Typography>
        {vm.propertySubtitle && (
          <Typography variant="caption" sx={{ display: 'block', color: '#64748b', fontWeight: 500, mt: 0.125 }} noWrap>
            {vm.propertySubtitle}
          </Typography>
        )}
        <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5, mt: 0.25 }}>
          <MapPin size={13} color="#64748b" />
          <Typography variant="body2" color="text.secondary">
            {vm.locationLabel}
          </Typography>
        </Box>
        {vm.explainabilitySummary && (
          <Typography
            variant="body2"
            color="text.secondary"
            sx={{
              mt: 0.5,
              overflow: 'hidden',
              display: '-webkit-box',
              WebkitLineClamp: 2,
              WebkitBoxOrient: 'vertical',
            }}
          >
            {vm.explainabilitySummary}
          </Typography>
        )}
      </Box>

      <Divider sx={{ mb: 1.25 }} />

      {/* Score formula — always visible */}
      {vm.scoreBreakdown && (
        <Box sx={{ mb: 1.25 }}>
          <ScoreInlineBreakdown scoreBreakdown={vm.scoreBreakdown} allFactors={vm.allFactors} compact />
        </Box>
      )}

      {/* Top reason only */}
      {vm.reasons.length > 0 && (
        <Box sx={{ mb: 1 }}>
          <MatchReasonList reasons={vm.reasons.slice(0, 1)} />
        </Box>
      )}

      {/* Top tradeoff only (compact) */}
      {vm.tradeoffs.length > 0 && (
        <Box sx={{ mb: 1 }}>
          <TradeoffList tradeoffs={vm.tradeoffs.slice(0, 1)} compact />
        </Box>
      )}

      {/* Data quality — only critical warning in compact mode */}
      <MatchDataQualitySummary
        dataQualityScore={vm.dataQualityScore}
        missingData={vm.missingData}
        compact
      />

      <Box sx={{ mt: 1.25 }}>
        <MatchActionToolbar actions={vm.actions} compact />
      </Box>
    </Card>
  )
}