/**
 * DeepAnalysisTab 图表配置工具
 *
 * 生成雷达图和桑基图的 ECharts 配置
 */

import type {
  ComprehensiveData,
  ValueChainData,
  RadarChartOption,
  SankeyChartOption,
} from '../types';

/**
 * 生成竞争力雷达图配置
 * @param comprehensiveData - 综合分析数据
 * @returns ECharts 雷达图配置，或 null（数据不足时）
 */
export const getRadarChartOption = (
  comprehensiveData?: ComprehensiveData
): RadarChartOption | null => {
  if (!comprehensiveData?.competitive_position?.scores) return null;

  const scores = comprehensiveData.competitive_position.scores;
  const indicators = [
    { name: '市场地位', max: 100 },
    { name: '技术实力', max: 100 },
    { name: '品牌价值', max: 100 },
    { name: '运营效率', max: 100 },
    { name: '财务健康', max: 100 },
    { name: '创新能力', max: 100 },
    { name: '风险控制', max: 100 },
    { name: '成长潜力', max: 100 },
  ];

  const data = [
    scores.market_position || 0,
    scores.technology || 0,
    scores.brand || 0,
    scores.operation || 0,
    scores.finance || 0,
    scores.innovation || 0,
    scores.risk || 0,
    scores.growth || 0,
  ];

  return {
    tooltip: { trigger: 'item' },
    radar: {
      indicator: indicators,
      shape: 'polygon',
      splitNumber: 4,
      name: { textStyle: { color: '#666', fontSize: 12 } },
      splitLine: {
        lineStyle: { color: ['#e8e8e8', '#e0e0e0', '#d0d0d0', '#c0c0c0'] },
      },
      splitArea: {
        show: true,
        areaStyle: {
          color: ['rgba(250,250,250,0.3)', 'rgba(200,200,200,0.3)'],
        },
      },
      axisLine: { lineStyle: { color: '#ddd' } },
    },
    series: [
      {
        name: '竞争力评分',
        type: 'radar',
        data: [
          {
            value: data,
            name: '当前评分',
            symbol: 'circle',
            symbolSize: 5,
            lineStyle: { width: 2, color: '#3182ce' },
            areaStyle: { color: 'rgba(49, 130, 206, 0.3)' },
            label: {
              show: true,
              formatter: (params: { value: number }) => params.value,
              color: '#3182ce',
              fontSize: 10,
            },
          },
        ],
      },
    ],
  };
};

/**
 * 生成产业链桑基图配置
 * @param valueChainData - 产业链数据
 * @returns ECharts 桑基图配置，或 null（数据不足时）
 */
export const getSankeyChartOption = (
  valueChainData?: ValueChainData
): SankeyChartOption | null => {
  if (
    !valueChainData?.value_chain_flows ||
    valueChainData.value_chain_flows.length === 0
  ) {
    return null;
  }

  const nodes = new Set<string>();
  const links: Array<{
    source: string;
    target: string;
    value: number;
    lineStyle: { color: string; opacity: number };
  }> = [];

  valueChainData.value_chain_flows.forEach((flow) => {
    if (!flow?.source?.node_name || !flow?.target?.node_name) return;
    nodes.add(flow.source.node_name);
    nodes.add(flow.target.node_name);
    links.push({
      source: flow.source.node_name,
      target: flow.target.node_name,
      value: parseFloat(flow.flow_metrics?.flow_ratio || '1') || 1,
      lineStyle: { color: 'source', opacity: 0.6 },
    });
  });

  return {
    tooltip: { trigger: 'item', triggerOn: 'mousemove' },
    series: [
      {
        type: 'sankey',
        layout: 'none',
        emphasis: { focus: 'adjacency' },
        data: Array.from(nodes).map((name) => ({ name })),
        links: links,
        lineStyle: { color: 'gradient', curveness: 0.5 },
        label: { color: '#333', fontSize: 10 },
      },
    ],
  };
};