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

/** 泡泡玛特期间费用结构：观察销售投入、管理成本与费用率的规模效应。 */
export function expenseStructureChart(rows, { width, height }) {
  return {
    backgroundColor: '#fff',
    title: {
      ...titleStyle,
      text: '泡泡玛特费用结构与费用率（年度）',
      subtext: '销售、管理、财务费用；折线为四项费用率',
    },
    legend: {
      ...legendStyle,
      top: LAYOUT.legendTop,
      data: ['销售费用', '管理费用', '财务费用（净额）', '四项费用率'],
    },
    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: col(rows, 'period') },
    yAxis: [
      {
        ...axisCommon,
        type: 'value',
        name: '金额（亿元）',
        nameLocation: 'middle',
        nameGap: 52,
        nameTextStyle: { color: PALETTE.grey, fontSize: 13, fontFamily: FONT },
      },
      {
        ...axisCommon,
        type: 'value',
        name: '四项费用率（%）',
        nameLocation: 'middle',
        nameGap: 58,
        nameRotate: -90,
        nameTextStyle: { color: PALETTE.grey, fontSize: 13, fontFamily: FONT },
        min: 0,
        max: 50,
        interval: 10,
        axisLabel: { ...axisCommon.axisLabel, formatter: '{value}%' },
        splitLine: { show: false },
      },
    ],
    series: [
      { name: '销售费用', type: 'bar', stack: 'expenses', data: col(rows, 'sales_expense'), itemStyle: { color: PALETTE.orange } },
      { name: '管理费用', type: 'bar', stack: 'expenses', data: col(rows, 'admin_expense'), itemStyle: { color: PALETTE.purple } },
      { name: '财务费用（净额）', type: 'bar', stack: 'expenses', data: col(rows, 'financial_expense'), itemStyle: { color: PALETTE.blue } },
      {
        ...lineSeries({
          name: '四项费用率',
          data: col(rows, 'four_expense_rate'),
          color: PALETTE.red,
          formatter: (p) => `${p.value.toFixed(1)}%`,
          width: 3,
        }),
        yAxisIndex: 1,
        z: 10,
      },
    ],
    graphic: [
      ...watermarks(width, height),
      footnote('数据来源：泡泡玛特合并利润表（年度口径）| @思考的Joey'),
    ],
  };
}