'use client';

import React from 'react';
import { Award, ChevronRight, Crown, Trophy, Users } from 'lucide-react';
import { Button } from '@/ui/Button';
import { Box } from '@/ui/Box';
import { Stack } from '@/ui/Stack';
import { Text } from '@/ui/Text';
import { Heading } from '@/ui/Heading';
import { Image } from '@/ui/Image';
import { getMediaUrl } from '@/lib/utilities/media';

interface TeamLeaderboardPreviewProps {
  topTeams: Array<{
    id: string;
    name: string;
    logoUrl?: string;
    category?: string;
    memberCount: number;
    totalWins: number;
    isRecruiting: boolean;
    rating?: number;
    performanceLevel: string;
  }>;
  onTeamClick: (id: string) => void;
  onViewFullLeaderboard: () => void;
}

export function TeamLeaderboardPreview({
  topTeams,
  onTeamClick,
  onViewFullLeaderboard
}: TeamLeaderboardPreviewProps) {
  const getMedalColor = (position: number) => {
    switch (position) {
      case 0: return '#facc15';
      case 1: return '#d1d5db';
      case 2: return '#d97706';
      default: return '#6b7280';
    }
  };

  const getMedalBg = (position: number) => {
    switch (position) {
      case 0: return 'rgba(250, 204, 21, 0.1)';
      case 1: return 'rgba(209, 213, 219, 0.1)';
      case 2: return 'rgba(217, 119, 6, 0.1)';
      default: return 'rgba(38, 38, 38, 0.5)';
    }
  };

  const getMedalBorder = (position: number) => {
    switch (position) {
      case 0: return 'rgba(250, 204, 21, 0.3)';
      case 1: return 'rgba(209, 213, 219, 0.3)';
      case 2: return 'rgba(217, 119, 6, 0.3)';
      default: return 'rgba(38, 38, 38, 1)';
    }
  };

  if (topTeams.length === 0) return null;

  return (
    <Box style={{ marginBottom: '3rem' }}>
      {/* Header */}
      <Stack direction="row" align="center" justify="between" style={{ marginBottom: '1rem' }}>
        <Stack direction="row" align="center" gap={3}>
          <Box style={{ display: 'flex', height: '2.75rem', width: '2.75rem', alignItems: 'center', justifyContent: 'center', borderRadius: '0.75rem', background: 'linear-gradient(to bottom right, rgba(250, 204, 21, 0.2), rgba(217, 119, 6, 0.1))', border: '1px solid rgba(250, 204, 21, 0.3)' }}>
            <Award style={{ width: '1.25rem', height: '1.25rem', color: '#facc15' }} />
          </Box>
          <Box>
            <Heading level={2}>Top Teams</Heading>
            <Text size="sm" color="text-gray-500">Highest rated racing teams</Text>
          </Box>
        </Stack>

        <Button
          variant="secondary"
          onClick={onViewFullLeaderboard}
          style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', fontSize: '0.875rem' }}
        >
          View Full Leaderboard
          <ChevronRight style={{ width: '1rem', height: '1rem' }} />
        </Button>
      </Stack>

      {/* Compact Leaderboard */}
      <Box style={{ borderRadius: '0.75rem', backgroundColor: 'rgba(38, 38, 38, 0.3)', border: '1px solid #262626', overflow: 'hidden' }}>
        <Stack gap={0}>
          {topTeams.map((team, index) => (
            <Box
              key={team.id}
              as="button"
              type="button"
              onClick={() => onTeamClick(team.id)}
              style={{ 
                display: 'flex', 
                alignItems: 'center', 
                gap: '1rem', 
                padding: '0.75rem 1rem', 
                width: '100%', 
                textAlign: 'left', 
                backgroundColor: 'transparent', 
                border: 'none', 
                cursor: 'pointer',
                borderBottom: index < topTeams.length - 1 ? '1px solid rgba(38, 38, 38, 0.5)' : 'none'
              }}
            >
              {/* Position */}
              <Box
                style={{ 
                  display: 'flex', 
                  height: '2rem', 
                  width: '2rem', 
                  alignItems: 'center', 
                  justifyContent: 'center', 
                  borderRadius: '9999px', 
                  fontSize: '0.75rem', 
                  fontWeight: 'bold', 
                  border: `1px solid ${getMedalBorder(index)}`, 
                  backgroundColor: getMedalBg(index), 
                  color: getMedalColor(index) 
                }}
              >
                {index < 3 ? (
                  <Crown style={{ width: '0.875rem', height: '0.875rem' }} />
                ) : (
                  index + 1
                )}
              </Box>

              {/* Team Info */}
              <Box style={{ display: 'flex', height: '2.25rem', width: '2.25rem', alignItems: 'center', justifyContent: 'center', borderRadius: '0.5rem', backgroundColor: '#262626', border: '1px solid #262626', overflow: 'hidden' }}>
                <Image
                  src={team.logoUrl || getMediaUrl('team-logo', team.id)}
                  alt={team.name}
                  width={36}
                  height={36}
                  style={{ width: '100%', height: '100%', objectFit: 'cover' }}
                />
              </Box>
              <Box style={{ flex: 1, minWidth: 0 }}>
                <Text weight="medium" color="text-white" style={{ display: 'block', whiteSpace: 'nowrap', overflow: 'hidden', textOverflow: 'ellipsis' }}>
                  {team.name}
                </Text>
                <Stack direction="row" align="center" gap={2} wrap style={{ marginTop: '0.125rem' }}>
                  {team.category && (
                    <Stack direction="row" align="center" gap={1}>
                      <Box style={{ width: '0.375rem', height: '0.375rem', borderRadius: '9999px', backgroundColor: '#a855f7' }} />
                      <Text size="xs" color="text-purple-400">{team.category}</Text>
                    </Stack>
                  )}
                  <Stack direction="row" align="center" gap={1}>
                    <Users style={{ width: '0.75rem', height: '0.75rem', color: '#737373' }} />
                    <Text size="xs" color="text-gray-500">{team.memberCount}</Text>
                  </Stack>
                  <Stack direction="row" align="center" gap={1}>
                    <Trophy style={{ width: '0.75rem', height: '0.75rem', color: '#737373' }} />
                    <Text size="xs" color="text-gray-500">{team.totalWins} wins</Text>
                  </Stack>
                  {team.isRecruiting && (
                    <Stack direction="row" align="center" gap={1}>
                      <Box style={{ width: '0.375rem', height: '0.375rem', borderRadius: '9999px', backgroundColor: '#10b981' }} />
                      <Text size="xs" color="text-performance-green">Recruiting</Text>
                    </Stack>
                  )}
                </Stack>
              </Box>

              {/* Rating */}
              <Box style={{ textAlign: 'right' }}>
                <Text font="mono" weight="semibold" color="text-purple-400" style={{ display: 'block' }}>
                  {typeof team.rating === 'number' ? Math.round(team.rating).toLocaleString() : '—'}
                </Text>
                <Text size="xs" color="text-gray-500">Rating</Text>
              </Box>
            </Box>
          ))}
        </Stack>
      </Box>
    </Box>
  );
}