const [origin,environment]=process.argv.slice(2);
if(!origin||!['test','production'].includes(environment))throw new Error('Usage: node scripts/check-health.mjs <origin> test|production');
async function read(path) {
  const response=await fetch(new URL(path,origin),{signal:AbortSignal.timeout(5000),redirect:'error',cache:'no-store'});
  if(response.status!==200)throw new Error(`${path} HTTP ${response.status}`);
  let text='',size=0;
  const decoder=new TextDecoder();
  for await(const part of response.body) {
    size+=part.length;if(size>1048576)throw new Error(`${path} 响应超过检查上限`);
    text+=decoder.decode(part,{stream:true});
    if(path==='/'&&text.includes('/_next/'))break;
  }
  return {text,type:response.headers.get('content-type')||''};
}
let healthy=false;
for(let attempt=1;attempt<=5;attempt++) {
  try {
    const health=await read('/healthz'),status=JSON.parse(health.text);
    if(status.status!=='ok'||status.environment!==environment||status.application!=='jha-1049-sgdj-web')throw new Error('/healthz 未命中本站对应环境');
    const home=await read('/');
    if(!/^text\/html(?:;|$)/i.test(home.type)||!home.text.includes('/_next/'))throw new Error('首页不是 Next HTML');
    healthy=true;console.log('/healthz 与 Next 首页检查通过');break;
  }catch(error) {
    console.error(`健康检查 ${attempt}/5 失败：${error.message}`);
    if(attempt<5)await new Promise(resolve=>setTimeout(resolve,1000));
  }
}
process.exitCode=healthy?0:1;