import { col } from '../csv.js';
import {
  FINANCIAL_COLORS, PALETTE, FONT, axisCommon, periodAxis, titleStyle, legendStyle,
  lineSeries, footnote, watermarks, LAYOUT,
} from '../theme.js';

/** 泡泡玛特经营现金流与净利润：观察利润的现金兑现能力。 */
export function cashConversionChart(rows, { width, height }) {
  const periods = col(rows, 'period');

  return {
    backgroundColor: '#fff',
    title: {
      ...titleStyle,
      text: '泡泡玛特经营现金流与净利润（年度）',
      subtext: '现金转换率 = 经营活动现金流净额 / 净利润；单位：亿元',
    },
    legend: {
      ...legendStyle,
      top: LAYOUT.legendTop,
      data: ['经营活动现金流净额', '净利润', '现金转换率'],
    },
    grid: { left: 78, right: 82, top: LAYOUT.gridTop, bottom: 90 },
    tooltip: {
      trigger: 'axis',
      axisPointer: { type: 'shadow' },
      textStyle: { fontFamily: FONT },
      valueFormatter: (value) => `${value.toFixed(1)}`,
    },
    xAxis: { ...periodAxis, data: periods },
    yAxis: [
      {
        ...axisCommon,
        type: 'value',
        name: '金额（亿元）',
        nameLocation: 'middle',
        nameGap: 52,
        nameTextStyle: { color: PALETTE.grey, fontSize: 13, fontFamily: FONT },
        min: 0,
        splitLine: { show: true, lineStyle: { color: PALETTE.gridLine } },
      },
      {
        ...axisCommon,
        type: 'value',
        name: '现金转换率（%）',
        nameLocation: 'middle',
        nameGap: 58,
        nameRotate: -90,
        nameTextStyle: { color: PALETTE.grey, fontSize: 13, fontFamily: FONT },
        min: 0,
        max: 200,
        interval: 50,
        axisLabel: { ...axisCommon.axisLabel, formatter: '{value}%' },
        splitLine: { show: false },
      },
    ],
    series: [
      {
        name: '经营活动现金流净额',
        type: 'bar',
        data: col(rows, 'operating_cash_flow'),
        barWidth: 31.2,
        itemStyle: { color: FINANCIAL_COLORS.operatingCashFlow },
        label: { show: true, position: 'top', color: PALETTE.ink, fontFamily: FONT, fontSize: 11, formatter: (p) => p.value.toFixed(1) },
      },
      {
        name: '净利润',
        type: 'bar',
        data: col(rows, 'net_profit'),
        barWidth: 31.2,
        itemStyle: { color: FINANCIAL_COLORS.netProfit },
        label: { show: true, position: 'top', color: PALETTE.ink, fontFamily: FONT, fontSize: 11, formatter: (p) => p.value.toFixed(1) },
      },
      {
        ...lineSeries({
          name: '现金转换率',
          data: col(rows, 'cash_conversion'),
          color: FINANCIAL_COLORS.cashConversion,
          formatter: (p) => `${p.value.toFixed(0)}%`,
          width: 3,
        }),
        yAxisIndex: 1,
        z: 10,
      },
    ],
    graphic: [
      ...watermarks(width, height),
      footnote('数据来源：泡泡玛特合并现金流量表、利润表（年度口径）| @思考的Joey'),
    ],
  };
}