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

/**
 * 图 4：营收到利润的增速对比 —— 四条线看"利润弹性"
 * 净利增速跑在最上面、成本增速在最下面，中间夹着毛利和营收
 */
export function growthChart(rows, { width, height }) {
  const pct = (p) => `${p.value}%`;

  return {
    backgroundColor: '#fff',
    title: { ...titleStyle, text: '营收到利润的增速对比（半年与年度）' },
    legend: {
      ...legendStyle,
      top: LAYOUT.legendTop,
      itemGap: 34,
      data: ['非国际归母净利', '毛利润', '营业收入', '营业成本'].map(name => ({
        name,
        icon: 'emptyCircle',  // 全部折线图
      })),
    },
    grid: { left: 84, right: 56, top: LAYOUT.gridTop, bottom: 64 },
    tooltip: {
      trigger: 'axis',
      valueFormatter: (v) => `${v}%`,
      textStyle: { fontFamily: FONT },
    },
    xAxis: { ...categoryAxis, data: col(rows, 'period') },
    yAxis: {
      ...axisCommon,
      type: 'value',
      name: '同比增速（%）',
      nameLocation: 'middle',
      nameGap: 58,
      nameTextStyle: { color: PALETTE.grey, fontSize: 13, fontFamily: FONT },
      min: -45,
      max: 400,
      interval: 100,
      axisLabel: { ...axisCommon.axisLabel, formatter: '{value}%' },
    },
    series: [
      lineSeries({
        name: '非国际归母净利',
        data: col(rows, 'non_gaap_net_profit'),
        color: PALETTE.red,
        labelPosition: 'top',
        formatter: pct,
        width: 3.5,
      }),
      lineSeries({
        name: '毛利润',
        data: col(rows, 'gross_profit'),
        color: PALETTE.coral,
        labelPosition: 'top',
        formatter: pct,
      }),
      lineSeries({
        name: '营业收入',
        data: col(rows, 'revenue'),
        color: PALETTE.navy,
        labelPosition: 'bottom',
        formatter: pct,
      }),
      lineSeries({
        name: '营业成本',
        data: col(rows, 'cost'),
        color: PALETTE.sage,
        labelPosition: 'top',
        formatter: pct,
      }),
    ],
    graphic: [
      ...watermarks(width, height),
      footnote('示例数据 | @思考的Joey'),
    ],
  };
}