// src/components/EventDetailPanel/RelatedConceptsSection/DetailedConceptCard.js
// 详细概念卡片组件

import React from 'react';
import {
  Box,
  HStack,
  VStack,
  Text,
  Badge,
  Card,
  CardBody,
  Divider,
  SimpleGrid,
  useColorModeValue,
} from '@chakra-ui/react';
import ConceptStockItem from './ConceptStockItem';

/**
 * 详细概念卡片组件
 * @param {Object} props
 * @param {Object} props.concept - 概念对象（兼容 v1/v2 API）
 *   - concept: 概念名称
 *   - stock_count: 相关股票数量
 *   - score: 相关度（0-1）
 *   - price_info.avg_change_pct: 平均涨跌幅
 *   - description: 概念描述
 *   - outbreak_dates / happened_times: 爆发日期数组
 *   - stocks: 相关股票数组 [{ name/stock_name, code/stock_code }]
 * @param {Function} props.onClick - 点击回调
 */
const DetailedConceptCard = ({ concept, onClick }) => {
  const cardBg = useColorModeValue('white', 'gray.700');
  const borderColor = useColorModeValue('gray.200', 'gray.600');
  const headingColor = useColorModeValue('gray.700', 'gray.200');
  const stockCountColor = useColorModeValue('gray.500', 'gray.400');

  // 计算相关度百分比
  const relevanceScore = Math.round((concept.score || 0) * 100);

  // 计算涨跌幅颜色
  const changePct = parseFloat(concept.price_info?.avg_change_pct);
  const changeColor = changePct > 0 ? 'red' : changePct < 0 ? 'green' : 'gray';
  const changeSymbol = changePct > 0 ? '+' : '';

  return (
    <Card
      bg={cardBg}
      borderColor={borderColor}
      borderWidth="2px"
      cursor="pointer"
      transition="all 0.3s"
      _hover={{
        transform: 'translateY(-2px)',
        boxShadow: 'xl',
        borderColor: 'blue.400'
      }}
      onClick={() => onClick(concept)}
    >
      <CardBody p={4}>
        <VStack spacing={3} align="stretch">
          {/* 头部信息 */}
          <HStack justify="space-between" align="flex-start">
            {/* 左侧：概念名称 + Badge */}
            <VStack align="start" spacing={2} flex={1}>
              <Text fontSize="md" fontWeight="bold" color="blue.600">
                {concept.concept}
              </Text>
              <HStack spacing={2} flexWrap="wrap">
                <Badge colorScheme="purple" fontSize="xs">
                  相关度: {relevanceScore}%
                </Badge>
                <Badge colorScheme="orange" fontSize="xs">
                  {concept.stock_count} 只股票
                </Badge>
              </HStack>
            </VStack>

            {/* 右侧：涨跌幅 */}
            {concept.price_info?.avg_change_pct && (
              <Box textAlign="right">
                <Text fontSize="xs" color={stockCountColor} mb={1}>
                  平均涨跌幅
                </Text>
                <Badge
                  size="lg"
                  colorScheme={changeColor}
                  fontSize="md"
                  px={3}
                  py={1}
                >
                  {changeSymbol}{changePct.toFixed(2)}%
                </Badge>
              </Box>
            )}
          </HStack>

          <Divider />

          {/* 概念描述 */}
          {concept.description && (
            <Text
              fontSize="sm"
              color={stockCountColor}
              lineHeight="1.6"
              noOfLines={3}
            >
              {concept.description}
            </Text>
          )}

          {/* 爆发日期（兼容 happened_times 和 outbreak_dates） */}
          {((concept.outbreak_dates && concept.outbreak_dates.length > 0) ||
            (concept.happened_times && concept.happened_times.length > 0)) && (
            <Box>
              <Text fontSize="xs" fontWeight="semibold" mb={2} color={stockCountColor}>
                爆发日期：
              </Text>
              <HStack spacing={2} flexWrap="wrap">
                {(concept.outbreak_dates || concept.happened_times).map((date, idx) => (
                  <Badge key={idx} variant="subtle" colorScheme="orange" fontSize="xs">
                    {date}
                  </Badge>
                ))}
              </HStack>
            </Box>
          )}

          {/* 核心相关股票 */}
          {concept.stocks && concept.stocks.length > 0 && (
            <Box>
              <HStack justify="space-between" mb={2}>
                <Text fontSize="sm" fontWeight="semibold" color={headingColor}>
                  核心相关股票
                </Text>
                <Text fontSize="xs" color={stockCountColor}>
                  共 {concept.stock_count} 只
                </Text>
              </HStack>

              {/* 可滚动容器 - 默认显示4条，可滚动查看全部 */}
              <Box
                maxH="300px"
                overflowY="auto"
                pr={2}
                onWheel={(e) => {
                  const element = e.currentTarget;
                  const scrollTop = element.scrollTop;
                  const scrollHeight = element.scrollHeight;
                  const clientHeight = element.clientHeight;

                  // 如果在滚动范围内，阻止事件冒泡到父容器
                  if (
                    (e.deltaY < 0 && scrollTop > 0) || // 向上滚动且未到顶部
                    (e.deltaY > 0 && scrollTop + clientHeight < scrollHeight) // 向下滚动且未到底部
                  ) {
                    e.stopPropagation();
                  }
                }}
                css={{
                  overscrollBehavior: 'contain', // 防止滚动链
                  '&::-webkit-scrollbar': {
                    width: '6px',
                  },
                  '&::-webkit-scrollbar-track': {
                    background: '#f1f1f1',
                  },
                  '&::-webkit-scrollbar-thumb': {
                    background: '#888',
                    borderRadius: '3px',
                  },
                  '&::-webkit-scrollbar-thumb:hover': {
                    background: '#555',
                  },
                }}
              >
                <SimpleGrid columns={{ base: 1 }} spacing={2}>
                  {concept.stocks.map((stock, idx) => (
                    <ConceptStockItem key={idx} stock={stock} />
                  ))}
                </SimpleGrid>
              </Box>
            </Box>
          )}
        </VStack>
      </CardBody>
    </Card>
  );
};

export default DetailedConceptCard;