import React, { useMemo } from 'react';
import {
  Modal,
  ModalOverlay,
  ModalContent,
  ModalHeader,
  ModalCloseButton,
  ModalBody,
  ModalFooter,
  Button,
  HStack,
  VStack,
  Text,
  Badge,
  Link,
  Divider,
} from '@chakra-ui/react';
import { useCountdown } from '../../hooks/useCountdown';
import { assetUrl, sanitizeClubName } from '../../utils/url';
import { TeamLogo } from '../common/TeamLogo';

export type FacrMatchLike = {
  id?: string | number;
  date?: string; // yyyy-mm-dd
  time?: string; // HH:MM
  date_time?: string; // alternative combined format (dd.MM.yyyy HH:mm)
  home?: string;
  away?: string;
  home_logo_url?: string;
  away_logo_url?: string;
  home_id?: string;
  away_id?: string;
  competition?: string;
  competitionName?: string;
  venue?: string;
  score?: string | null;
  facr_link?: string | null;
  report_url?: string | null;
};

interface MatchModalProps {
  isOpen: boolean;
  match: FacrMatchLike | null;
  onClose: () => void;
  onTeamClick?: (teamName: string, teamLogoUrl?: string) => void;
}

const formatWhen = (m: FacrMatchLike | null) => {
  if (!m) return '';
  try {
    if (m.date && m.time) {
      const d = new Date(`${m.date}T${(m.time || '00:00')}:00`);
      if (!isNaN(d.getTime())) return d.toLocaleString();
    }
    if (m.date_time) {
      // Try to parse dd.MM.yyyy HH:mm quickly by reordering
      const dt = String(m.date_time);
      const [dPart, tPart] = dt.split(' ');
      const [dd, MM, yyyy] = (dPart || '').split('.');
      if (dd && MM && yyyy) {
        const iso = `${yyyy}-${MM.padStart(2, '0')}-${dd.padStart(2, '0')}T${(tPart || '00:00')}:00`;
        const d = new Date(iso);
        if (!isNaN(d.getTime())) return d.toLocaleString();
      }
      return m.date_time;
    }
  } catch {}
  return '';
};

export const MatchModal: React.FC<MatchModalProps> = ({ isOpen, match, onClose, onTeamClick }) => {
  const kickoffIso = useMemo(() => {
    if (!match) return null;
    if (match.date && match.time) return `${match.date}T${(match.time || '00:00')}:00`;
    if (match.date_time) {
      const dt = String(match.date_time);
      const [dPart, tPart] = dt.split(' ');
      const [dd, MM, yyyy] = (dPart || '').split('.');
      if (dd && MM && yyyy) return `${yyyy}-${MM.padStart(2, '0')}-${dd.padStart(2, '0')}T${(tPart || '00:00')}:00`;
      return match.date_time; // fallback
    }
    return null;
  }, [match]);

  const { countdownString, isActive, timeRemaining } = useCountdown(kickoffIso, 1000);
  const facrLink = match?.facr_link || match?.report_url || null;
  const when = formatWhen(match);

  // Determine if match has started (countdown finished) but no score yet
  const matchStarted = kickoffIso ? new Date(kickoffIso).getTime() <= Date.now() : false;
  const hasScore = match?.score && match.score.trim() !== '';

  return (
    <Modal isOpen={isOpen} onClose={onClose} isCentered size={{ base: 'md', md: 'lg' }}>
      <ModalOverlay />
      <ModalContent>
        <ModalHeader>
          {sanitizeClubName(match?.home) || 'Domácí'} vs {sanitizeClubName(match?.away) || 'Hosté'}
        </ModalHeader>
        <ModalCloseButton />
        <ModalBody>
          {match && (
            <VStack align="stretch" spacing={4}>
              <HStack justify="space-between" align="center">
                <VStack 
                  align="center" 
                  spacing={2} 
                  flex={1} 
                  minW={0}
                  cursor={onTeamClick ? 'pointer' : 'default'}
                  onClick={() => onTeamClick && onTeamClick(match.home || '', match.home_logo_url)}
                  _hover={onTeamClick ? { opacity: 0.8, transform: 'scale(1.05)' } : {}}
                  transition="all 0.2s"
                  role={onTeamClick ? 'button' : undefined}
                  tabIndex={onTeamClick ? 0 : undefined}
                >
                  <TeamLogo
                    teamId={match.home_id}
                    teamName={match.home}
                    facrLogo={match.home_logo_url}
                    size="custom"
                    alt={match.home || 'Domácí'}
                    boxSize="56px"
                    borderRadius="full"
                  />
                  <Text fontWeight="semibold" noOfLines={1} textAlign="center">{sanitizeClubName(match.home) || 'Domácí'}</Text>
                </VStack>
                <VStack spacing={1} minW="120px">
                  {!matchStarted ? (
                    // Future match - show countdown or vs
                    isActive && countdownString ? (
                      <>
                        <Text fontSize="lg" color="gray.600">Začátek za</Text>
                        <Text fontSize="2xl" fontWeight="bold">{countdownString}</Text>
                      </>
                    ) : (
                      <>
                        <Text fontSize="2xl" fontWeight="bold">vs</Text>
                      </>
                    )
                  ) : hasScore ? (
                    // Match finished with score
                    <>
                      <Text fontSize="2xl" fontWeight="bold">{match.score}</Text>
                      <Text fontSize="sm" color="gray.600">Skončeno</Text>
                    </>
                  ) : (
                    // Match started but no score yet
                    <>
                      <Text fontSize="2xl" fontWeight="bold">—:—</Text>
                      <Text fontSize="sm" color="green.600">Probíhá</Text>
                    </>
                  )}
                  {(match.competition || match.competitionName) && (
                    <Badge colorScheme="blue" variant="subtle">{match.competition || match.competitionName}</Badge>
                  )}
                </VStack>
                <VStack 
                  align="center" 
                  spacing={2} 
                  flex={1} 
                  minW={0}
                  cursor={onTeamClick ? 'pointer' : 'default'}
                  onClick={() => onTeamClick && onTeamClick(match.away || '', match.away_logo_url)}
                  _hover={onTeamClick ? { opacity: 0.8, transform: 'scale(1.05)' } : {}}
                  transition="all 0.2s"
                  role={onTeamClick ? 'button' : undefined}
                  tabIndex={onTeamClick ? 0 : undefined}
                >
                  <TeamLogo
                    teamId={match.away_id}
                    teamName={match.away}
                    facrLogo={match.away_logo_url}
                    size="custom"
                    alt={match.away || 'Hosté'}
                    boxSize="56px"
                    borderRadius="full"
                  />
                  <Text fontWeight="semibold" noOfLines={1} textAlign="center">{sanitizeClubName(match.away) || 'Hosté'}</Text>
                </VStack>
              </HStack>

              <Divider />

              <VStack align="stretch" spacing={1} color="gray.700">
                {when && <Text><strong>Kdy:</strong> {when}</Text>}
                {match.venue && <Text><strong>Kde:</strong> {match.venue}</Text>}
              </VStack>
            </VStack>
          )}
        </ModalBody>
        <ModalFooter>
          {facrLink && (
            <Button 
              colorScheme="blue" 
              mr={3}
              onClick={(e) => {
                e.preventDefault();
                // Open in background tab without switching focus
                const link = document.createElement('a');
                link.href = facrLink;
                link.target = '_blank';
                link.rel = 'noopener noreferrer';
                link.style.display = 'none';
                document.body.appendChild(link);
                link.click();
                document.body.removeChild(link);
              }}
            >
              Detail na FAČR
            </Button>
          )}
          <Button onClick={onClose}>Zavřít</Button>
        </ModalFooter>
      </ModalContent>
    </Modal>
  );
};

export default MatchModal;