import { col } from '../csv.js';
import {
  PALETTE, FONT, axisCommon, standalonePeriodAxis, titleStyle, standardLegend,
  financialViewLabel, barSeries, footnote, watermarks, LAYOUT,
} from '../theme.js';

/** 泡泡玛特分地区零售门店占比：每根柱标准化为各期末全球门店数的 100%。 */
const REGIONS = [
  { key: 'china', name: '中国（含港澳台）', color: '#3F7FBE', labelColor: '#fff' },
  { key: 'apac', name: '亚太', color: '#36A28F', labelColor: '#fff' },
  { key: 'americas', name: '美洲', color: '#E4A349', labelColor: PALETTE.ink },
  { key: 'europe', name: '欧洲', color: PALETTE.brown, labelColor: '#fff' },
  { key: 'other', name: '其他', color: PALETTE.sand, labelColor: PALETTE.ink },
];

function sharePoint(value, labelColor) {
  if (!Number.isFinite(value) || value === 0) return null;
  return {
    value,
    label: value >= 5
      ? { position: 'inside', color: labelColor }
      : { show: false },
  };
}

export function storesRetailShareChart(rows, { width, height, view = 'all' }) {
  const periods = col(rows, 'period');
  const barWidth = view === 'all' ? 48 : 80;

  return {
    backgroundColor: '#fff',
    title: {
      ...titleStyle,
      text: `泡泡玛特分地区零售门店数量占比（${financialViewLabel(view)}）`,
      subtext: '归一化堆叠：每根柱为当期末全球零售门店数的 100%',
    },
    legend: standardLegend(REGIONS.map((item) => item.name), { itemGap: 20 }),
    tooltip: {
      trigger: 'axis',
      axisPointer: { type: 'shadow' },
      textStyle: { fontFamily: FONT },
      formatter: (params) => {
        const row = rows[periods.indexOf(params[0].axisValue)];
        return `<b>${params[0].axisValue}</b>　全球合计 ${row.global} 家<br/>${params
          .filter((item) => item.value !== null)
          .slice()
          .reverse()
          .map((item) => `${item.marker}${item.seriesName}: ${item.value.toFixed(1)}%`)
          .join('<br/>')}`;
      },
    },
    grid: { left: 78, right: 42, top: LAYOUT.gridTop, bottom: 100 },
    xAxis: { ...standalonePeriodAxis, data: periods },
    yAxis: {
      ...axisCommon,
      type: 'value',
      min: 0,
      max: 100,
      interval: 20,
      axisLabel: { ...axisCommon.axisLabel, formatter: '{value}%' },
    },
    series: REGIONS.map((item) => barSeries({
      name: item.name,
      data: rows.map((row) => sharePoint(row[item.key], item.labelColor)),
      color: item.color,
      barWidth,
      stack: 'stores-retail-share',
      label: {
        show: true,
        position: 'inside',
        fontSize: 11,
        fontFamily: FONT,
        fontWeight: 500,
        formatter: (point) => `${point.value.toFixed(1)}%`,
      },
      emphasis: { focus: 'series' },
    })),
    graphic: [
      ...watermarks(width, height),
      footnote('数据来源：泡泡玛特历年公告；门店数为各报告期末时点数\n中国=中国内地+港澳台；其他=全球合计−中国−亚太−美洲−欧洲 | @思考的Joey'),
    ],
  };
}