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

/** 泡泡玛特现金、负债与净营运资本：观察流动性与资金占用。 */
export function liquidityWorkingCapitalChart(rows, { width, height }) {
  const periods = col(rows, 'period');

  return {
    backgroundColor: '#fff',
    title: {
      ...titleStyle,
      text: '泡泡玛特现金、负债与净营运资本',
      subtext: '净营运资本 = 流动资产 − 流动负债；单位：亿元',
    },
    legend: {
      ...legendStyle,
      top: LAYOUT.legendTop,
      data: ['货币资金', '负债合计', '净营运资本'],
    },
    grid: { left: 78, right: 42, top: LAYOUT.gridTop, bottom: 90 },
    tooltip: {
      trigger: 'axis',
      axisPointer: { type: 'shadow' },
      textStyle: { fontFamily: FONT },
      valueFormatter: (value) => `${value.toFixed(1)} 亿元`,
    },
    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,
    },
    series: [
      {
        ...barSeries({
          name: '货币资金',
          data: col(rows, 'cash'),
          color: FINANCIAL_COLORS.investingCashFlow,
          barWidth: 18,
          formatter: (p) => p.value.toFixed(1),
        }),
        emphasis: { focus: 'series' },
      },
      {
        ...barSeries({
          name: '负债合计',
          data: col(rows, 'total_liabilities'),
          color: FINANCIAL_COLORS.financingCashFlow,
          barWidth: 18,
          formatter: (p) => p.value.toFixed(1),
        }),
        emphasis: { focus: 'series' },
      },
      {
        ...lineSeries({
          name: '净营运资本',
          data: lineDataWithSafeLabels(rows, {
            lineKey: 'net_working_capital',
            barKeys: ['cash', 'total_liabilities'],
            // 净营运资本接近货币资金时，标签置于柱体另一侧。
            closePosition: 'bottom',
          }),
          color: FINANCIAL_COLORS.operatingCashFlow,
          formatter: (p) => p.value.toFixed(1),
          width: 3,
        }),
        z: 10,
      },
    ],
    graphic: [
      ...watermarks(width, height),
      footnote('数据来源：泡泡玛特合并资产负债表 | @思考的Joey'),
    ],
  };
}