// src/views/Company/components/DynamicTracking/NewsEventsTab/utils.ts
// 新闻动态 - 工具函数

import type { IconType } from 'react-icons';
import {
  FaNewspaper,
  FaBullhorn,
  FaGavel,
  FaFlask,
  FaDollarSign,
  FaShieldAlt,
  FaFileAlt,
  FaIndustry,
} from 'react-icons/fa';
import type { ThemeConfig, BadgeStyle } from './types';

/**
 * 事件类型图标映射
 */
const EVENT_TYPE_ICONS: Record<string, IconType> = {
  企业公告: FaBullhorn,
  政策: FaGavel,
  技术突破: FaFlask,
  企业融资: FaDollarSign,
  政策监管: FaShieldAlt,
  政策动态: FaFileAlt,
  行业事件: FaIndustry,
};

/**
 * 获取事件类型对应的图标
 */
export const getEventTypeIcon = (eventType?: string): IconType => {
  if (!eventType) return FaNewspaper;
  return EVENT_TYPE_ICONS[eventType] || FaNewspaper;
};

/**
 * 获取重要性徽章样式
 */
export const getImportanceBadgeStyle = (
  importance: string | undefined,
  theme: ThemeConfig,
  isBlackGold: boolean
): BadgeStyle => {
  if (isBlackGold) {
    const styles: Record<string, BadgeStyle> = {
      S: theme.badgeS,
      A: theme.badgeA,
      B: theme.badgeB,
      C: theme.badgeC,
    };
    return styles[importance || ''] || { bg: 'rgba(107, 114, 128, 0.2)', color: '#9CA3AF' };
  }

  // 默认主题使用 colorScheme
  const colorMap: Record<string, string> = {
    S: 'red',
    A: 'orange',
    B: 'yellow',
    C: 'green',
  };
  return { colorScheme: colorMap[importance || ''] || 'gray', bg: '', color: '' };
};

/**
 * 格式化日期
 */
export const formatDate = (dateStr?: string): string => {
  if (!dateStr) return '';
  return new Date(dateStr).toLocaleDateString('zh-CN', {
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
  });
};

/**
 * 格式化涨跌幅
 */
export const formatChange = (value: number | null | undefined): string => {
  if (value === null || value === undefined) return '-';
  const prefix = value > 0 ? '+' : '';
  return `${prefix}${value.toFixed(2)}%`;
};

/**
 * 获取涨跌幅颜色
 */
export const getChangeColor = (value: number | null | undefined): string => {
  if (value === null || value === undefined) return '#9CA3AF';
  return value > 0 ? '#EF4444' : '#10B981';
};

/**
 * 提取关键词显示文本
 */
export const getKeywordText = (keyword: string | { concept?: string; name?: string }): string => {
  if (typeof keyword === 'string') return keyword;
  return keyword?.concept || keyword?.name || '未知';
};