import { tr } from '../lang/i18n-lite';

/**
 * 直方图基础配置类型
 */
export interface HistogramBaseConfig {
  label: string;
  no_bins: number;
  extent: [number, number];
  averageLabel: string;
  showLeftInfinity?: boolean;
  xAxisTickSkip?: number;
}

/**
 * 散点图基础配置类型
 */
export interface ScatterPlotBaseConfig {
  xLabel: string;
  yLabel: string;
  label?: string;
}

/**
 * 获取 Token information 直方图配置（支持国际化）
 */
export const getTokenSurprisalHistogramConfig = (): HistogramBaseConfig => ({
  label: tr("information per token histogram"),
  no_bins: 19,
  extent: [0, 19],
  averageLabel: tr("bits/token"),
});

/**
 * 获取 Byte information 直方图配置（支持国际化）
 */
export const getByteSurprisalHistogramConfig = (): HistogramBaseConfig => ({
  label: tr("information per byte histogram"),
  no_bins: 13,
  extent: [0, 6.5],
  averageLabel: tr("bits/Byte"),
});

/**
 * 获取 ΔByte information 直方图配置（支持国际化）
 */
export const getDeltaByteSurprisalHistogramConfig = (): HistogramBaseConfig => ({
  label: tr("Δinformation per byte histogram"),
  no_bins: 20,
  xAxisTickSkip: 1,  // x轴刻度数字绘制间隔
  extent: [-5, 5],
  averageLabel: tr("Δ bits/Byte"),
  showLeftInfinity: true,  // 左侧显示 -∞ 符号
});

/**
 * 获取 Information progress 散点图配置（支持国际化）
 */
export const getSurprisalProgressConfig = (): ScatterPlotBaseConfig => ({
  label: tr("information per token progress"),
  xLabel: tr("token index"),
  yLabel: tr("information (bits)"),
});