import { Box, Chip, Typography } from '@mui/material'
import {
  Plug2, FileSpreadsheet, Upload, Globe, Rss,
  Database, FileText, PenLine, Bot,
} from 'lucide-react'
import type { LucideIcon } from 'lucide-react'
import type { DataSource } from '../../domain/dataSource'
import { DATA_SOURCE_TYPE_LABELS } from '../../domain/dataSource'
import { SourceHealthBadge } from './SourceHealthBadge'
import { TermsStatusBadge } from './TermsStatusBadge'
import { ReliabilityScorePanel } from './ReliabilityScorePanel'

const TYPE_ICONS: Record<string, LucideIcon> = {
  API_CONNECTOR: Plug2,
  CSV_IMPORT: FileSpreadsheet,
  MANUAL_UPLOAD: Upload,
  PUBLIC_WEB_SOURCE: Globe,
  PARTNER_FEED: Rss,
  INTERNAL_PORTFOLIO_EXPORT: Database,
  CONTRACT_METADATA_IMPORT: FileText,
  ANALYST_ENTRY: PenLine,
  FUTURE_CRAWLER_STUB: Bot,
}

function formatDate(iso?: string): string {
  if (!iso) return '—'
  return new Date(iso).toLocaleString('de-CH', {
    day: '2-digit', month: '2-digit', year: '2-digit',
    hour: '2-digit', minute: '2-digit',
  })
}

interface SourceCardProps {
  source: DataSource
  selected: boolean
  onClick: () => void
}

export function SourceCard({ source, selected, onClick }: SourceCardProps) {
  const Icon = TYPE_ICONS[source.sourceType] ?? Database

  return (
    <Box
      onClick={onClick}
      sx={{
        px: 2,
        py: 1.5,
        cursor: 'pointer',
        borderBottom: '1px solid #f1f5f9',
        borderLeft: selected ? '3px solid #1e3a5f' : '3px solid transparent',
        bgcolor: selected ? 'rgba(30,58,95,0.04)' : '#fff',
        '&:hover': { bgcolor: selected ? 'rgba(30,58,95,0.06)' : '#f8fafc' },
        transition: 'background-color 0.15s ease',
      }}
    >
      <Box sx={{ display: 'flex', alignItems: 'flex-start', gap: 1.25, mb: 0.75 }}>
        <Box
          sx={{
            width: 28,
            height: 28,
            borderRadius: 1,
            bgcolor: 'rgba(30,58,95,0.07)',
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            flexShrink: 0,
            mt: 0.25,
          }}
        >
          <Icon size={14} color="#152642" />
        </Box>
        <Box sx={{ flex: 1, minWidth: 0 }}>
          <Typography
            variant="body2"
            sx={{
              fontWeight: 600,
              fontSize: '0.8rem',
              lineHeight: 1.3,
              overflow: 'hidden',
              display: '-webkit-box',
              WebkitLineClamp: 2,
              WebkitBoxOrient: 'vertical',
              mb: 0.5,
            }}
          >
            {source.name}
          </Typography>
          <Typography variant="caption" sx={{ color: 'text.secondary', fontSize: '0.7rem' }}>
            {DATA_SOURCE_TYPE_LABELS[source.sourceType]}
          </Typography>
        </Box>
      </Box>

      <Box sx={{ display: 'flex', flexWrap: 'wrap', gap: 0.5, mb: 0.75 }}>
        <SourceHealthBadge status={source.status} />
        <TermsStatusBadge status={source.termsStatus} />
      </Box>

      <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 1 }}>
        <ReliabilityScorePanel score={source.reliabilityScore} compact />
        <Typography variant="caption" sx={{ color: '#94a3b8', fontSize: '0.65rem', flexShrink: 0 }}>
          {formatDate(source.lastRunAt)}
        </Typography>
      </Box>

      {source.regionCoverage.length > 0 && (
        <Box sx={{ mt: 0.75, display: 'flex', gap: 0.5, flexWrap: 'wrap' }}>
          {source.regionCoverage.slice(0, 3).map((r) => (
            <Chip
              key={r}
              size="small"
              label={r}
              sx={{ bgcolor: 'transparent', border: '1px solid #e2e8f0', color: '#64748b', fontSize: '0.65rem', height: 16 }}
            />
          ))}
          {source.regionCoverage.length > 3 && (
            <Typography variant="caption" sx={{ color: '#94a3b8', fontSize: '0.65rem', alignSelf: 'center' }}>
              +{source.regionCoverage.length - 3}
            </Typography>
          )}
        </Box>
      )}
    </Box>
  )
}