/**
 * 盈利预测报表常量和图表配置
 */

// 黑金主题配色
export const THEME = {
  gold: '#D4AF37',
  goldLight: 'rgba(212, 175, 55, 0.1)',
  goldBorder: 'rgba(212, 175, 55, 0.3)',
  bgDark: '#1A202C',
  text: '#E2E8F0',
  textSecondary: '#A0AEC0',
  positive: '#E53E3E',
  negative: '#10B981',
  // 预测区域背景色
  forecastBg: 'rgba(212, 175, 55, 0.08)',
};

// 图表配色方案 - 优化对比度
export const CHART_COLORS = {
  income: '#D4AF37',      // 收入 - 金色
  profit: '#F6AD55',      // 利润 - 橙金色
  growth: '#10B981',      // 增长率 - 翠绿色
  eps: '#DAA520',         // EPS - 金菊色
  epsAvg: '#4A5568',      // EPS行业平均 - 灰色
  pe: '#D4AF37',          // PE - 金色
  peg: '#38B2AC',         // PEG - 青色（优化对比度）
};

// ECharts 基础配置（黑金主题）
export const BASE_CHART_CONFIG = {
  backgroundColor: 'transparent',
  textStyle: {
    color: THEME.text,
  },
  tooltip: {
    backgroundColor: 'rgba(26, 32, 44, 0.98)',
    borderColor: THEME.goldBorder,
    borderWidth: 1,
    padding: [12, 16],
    textStyle: {
      color: THEME.text,
      fontSize: 13,
    },
    // 智能避让配置
    confine: true,
    appendToBody: true,
    extraCssText: 'box-shadow: 0 4px 20px rgba(0,0,0,0.3); border-radius: 6px;',
  },
  legend: {
    textStyle: {
      color: THEME.textSecondary,
    },
  },
  grid: {
    left: 50,
    right: 20,
    bottom: 40,
    top: 40,
    containLabel: false,
  },
  xAxis: {
    axisLine: {
      lineStyle: {
        color: THEME.goldBorder,
      },
    },
    axisLabel: {
      color: THEME.textSecondary,
      rotate: 30,
    },
    splitLine: {
      show: false,
    },
  },
  yAxis: {
    axisLine: {
      lineStyle: {
        color: THEME.goldBorder,
      },
    },
    axisLabel: {
      color: THEME.textSecondary,
    },
    splitLine: {
      lineStyle: {
        color: 'rgba(212, 175, 55, 0.1)',
      },
    },
  },
};

// 图表高度
export const CHART_HEIGHT = 280;

// ============================================
// 工具函数
// ============================================

/**
 * 判断是否为预测年份（包含 E 后缀）
 * @param year 年份字符串，如 "2024E"
 */
export const isForecastYear = (year: string): boolean => year.includes('E');

/**
 * 重要指标列表（用于表格行高亮）
 */
export const IMPORTANT_METRICS = ['归母净利润', 'ROE', 'EPS', '营业总收入'];

// ============================================
// DetailTable 样式
// ============================================

/**
 * 详细数据表格样式 - 斑马纹、等宽字体、预测列区分
 */
export const DETAIL_TABLE_STYLES = `
  /* 固定列背景 */
  .forecast-detail-table .ant-table-cell-fix-left,
  .forecast-detail-table .ant-table-cell-fix-right {
    background: #1A202C !important;
  }
  .forecast-detail-table .ant-table-thead .ant-table-cell-fix-left,
  .forecast-detail-table .ant-table-thead .ant-table-cell-fix-right {
    background: rgba(26, 32, 44, 0.98) !important;
  }
  .forecast-detail-table .ant-table-tbody > tr:hover > td.ant-table-cell-fix-left {
    background: #242d3d !important;
  }

  /* 指标标签样式 */
  .forecast-detail-table .metric-tag {
    background: rgba(212, 175, 55, 0.15);
    border-color: rgba(212, 175, 55, 0.3);
    color: #D4AF37;
    font-weight: 500;
  }

  /* 重要指标行高亮 */
  .forecast-detail-table .important-row {
    background: rgba(212, 175, 55, 0.06) !important;
  }
  .forecast-detail-table .important-row .metric-tag {
    background: rgba(212, 175, 55, 0.25);
    color: #FFD700;
    font-weight: 600;
  }

  /* 斑马纹 - 奇数行 */
  .forecast-detail-table .ant-table-tbody > tr:nth-child(odd) > td {
    background: rgba(255, 255, 255, 0.02);
  }
  .forecast-detail-table .ant-table-tbody > tr:nth-child(odd):hover > td {
    background: rgba(212, 175, 55, 0.08) !important;
  }

  /* 等宽字体 - 数值列 */
  .forecast-detail-table .data-cell {
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', monospace;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
  }

  /* 预测列样式 */
  .forecast-detail-table .forecast-col {
    background: rgba(212, 175, 55, 0.04) !important;
    font-style: italic;
  }
  .forecast-detail-table .ant-table-thead .forecast-col {
    color: #FFD700 !important;
    font-weight: 600;
  }

  /* 负数红色显示 */
  .forecast-detail-table .negative-value {
    color: #FC8181;
  }

  /* 正增长绿色 */
  .forecast-detail-table .positive-growth {
    color: #68D391;
  }

  /* 表头预测/历史分隔线 */
  .forecast-detail-table .forecast-divider {
    border-left: 2px solid rgba(212, 175, 55, 0.5) !important;
  }
`;