import * as echarts from 'echarts';
import fs from 'fs';
// 项目根目录（从 test/regress.mjs 向上一层，或直接指定绝对路径）
const P = '/Users/joey/sites/vest-tools/echart-demo/';
const {parseCSV}=await import(P+'js/csv.js');
const all=[
  ['inventory','inventoryChart','data/inventory.csv'],
  ['margin','marginChart','data/margin.csv'],
  ['twoline','twoLineChart','data/margin.csv'],
  ['growth','growthChart','data/growth.csv'],
  ['fx','fxChart','data/fx.csv'],
  ['ppmt_assets','assetsChart','data/ppmt_assets.csv'],
  ['ppmt_profit','profitChart','data/ppmt_profit.csv'],
  ['ppmt_ip','ipChart','data/ppmt_ip.csv'],
  ['ppmt_category','categoryChart','data/ppmt_category.csv'],
  ['ppmt_sankey','sankeyChart','data/ppmt_sankey_2026h1.csv'],
  ['ppmt_region_yoy','regionChannelYoyChart','data/ppmt_region_channel_yoy.csv'],
  ['ppmt_growth','ppmtGrowthChart','data/ppmt_growth.csv'],
  ['ppmt_margins','ppmtMarginsChart','data/ppmt_margins.csv'],
  ['ppmt_bridge','ppmtBridgeChart','data/ppmt_margin_bridge.csv'],
  ['ppmt_core_profit','ppmtCoreProfitChart','data/ppmt_core_profit.csv'],
  ['ppmt_core_margin','ppmtCoreMarginChart','data/ppmt_core_margin.csv'],
  ['ppmt_ip_share','ppmtIpShareChart','data/ppmt_ip_share_2026h1.csv'],
  ['ppmt_ip_share_history','ppmtIpShareHistoryChart','data/ppmt_ip_share_history.csv'],
  ['ppmt_ip_ex_monsters','ppmtIpExMonstersChart','data/ppmt_ip_ex_monsters.csv'],
];

// 可传图表名只跑指定的（改一张图不用全量回归）：
// node test/regress.mjs ppmt_ip_share ppmt_core_margin
const only=process.argv.slice(2);
const targets=only.length>0 ? all.filter(([f])=>only.includes(f)) : all;
if(only.length>0){
  const missing=only.filter(f=>!all.some(([name])=>name===f));
  if(missing.length>0) console.log(`⚠ 未找到图表：${missing.join(', ')}`);
}

// 样式规范断言：从核心利润/利润率拆解图总结的标准
const STYLE_RULES={
  legendTop:85,       // 固定值：副标题到图例约25px
  gridTop:145,        // 固定值：图例到绘图区约60px
  lineSeries:{        // 折线标准样式（空心圆点）
    symbolSize:9,
    borderWidth:2.5,
    fill:'#fff',      // 白心
  },
};

let ok=0,fail=0,styleWarnings=[];
for(const [f,fn,csv] of targets){
  try{
    const mod=await import(P+`js/charts/${f}.js`);
    const rows=parseCSV(fs.readFileSync(P+csv,'utf8'));
    const c=echarts.init(null,null,{renderer:'svg',ssr:true,width:1100,height:720});
    const opt=mod[fn](rows,{width:1100,height:720});
    c.setOption(opt);
    const svg=c.renderToSVGString();

    // 1. SVG 格式检查（字体引号）
    const badAttr=/style="[^"]*"[^"=>\s][^>]*>/.test(svg.slice(0,3000));

    // 2. 样式规范检查（跳过无图例的图表）
    if(opt.legend?.top!==undefined){
      if(opt.legend.top!==STYLE_RULES.legendTop){
        styleWarnings.push(`${f}: legend.top=${opt.legend.top} (期望${STYLE_RULES.legendTop})`);
      }
    }
    if(opt.grid?.top!==undefined && opt.legend?.top!==undefined){
      if(opt.grid.top!==STYLE_RULES.gridTop){
        styleWarnings.push(`${f}: grid.top=${opt.grid.top} (期望${STYLE_RULES.gridTop})`);
      }
    }

    // 3. 折线圆点样式检查（在 SVG 里验证 symbolSize 和 borderWidth）
    const circles=[...svg.matchAll(/<path d="M1 0A1[^"]*" transform="matrix\(([\d.]+),0,0,[\d.]+,[^)]+\)" fill="#fff" stroke="[^"]*" stroke-width="([\d.]+)"/g)];
    if(circles.length>0){
      const scale=+circles[0][1], sw=+circles[0][2];
      const symbolSize=scale*2, borderWidth=sw*scale;
      if(Math.abs(symbolSize-STYLE_RULES.lineSeries.symbolSize)>0.1){
        styleWarnings.push(`${f}: 折线 symbolSize=${symbolSize.toFixed(1)} (期望${STYLE_RULES.lineSeries.symbolSize})`);
      }
      if(Math.abs(borderWidth-STYLE_RULES.lineSeries.borderWidth)>0.1){
        styleWarnings.push(`${f}: 折线 borderWidth=${borderWidth.toFixed(1)} (期望${STYLE_RULES.lineSeries.borderWidth})`);
      }
    }

    console.log(`${badAttr?'⚠':'✓'} ${f.padEnd(17)} ${String(svg.length).padStart(6)}B`);
    ok++; c.dispose();
  }catch(e){console.log(`✗ ${f.padEnd(17)} ${e.message}`);fail++;}
}
console.log(`\n${ok} 张成功 / ${fail} 张失败`);

if(styleWarnings.length>0){
  console.log(`\n⚠ ${styleWarnings.length} 处样式偏离规范:`);
  styleWarnings.forEach(w=>console.log(`   ${w}`));
}else{
  console.log('✓ 样式规范全部符合');
}
process.exit(fail>0?1:0);