/** Exercise the exact release bytes in isolated local directories, never the production root. */
import fs from 'node:fs';
import path from 'node:path';
import crypto from 'node:crypto';
import assert from 'node:assert/strict';
import {createServer} from 'node:http';
import {spawn} from 'node:child_process';
import {pathToFileURL} from 'node:url';

const root=path.resolve('artifacts/ksf-development-references-20261108-r15/package');
const work=path.resolve('work/ksf-development-references-20261108-r15');
const target=fs.mkdtempSync(path.join(work,'publisher-check-'));
const sha=b=>crypto.createHash('sha256').update(b).digest('hex');
const manifest=JSON.parse(fs.readFileSync(path.join(root,'deploy/industry-ui-files.json')));
const {publishFiles}=await import(pathToFileURL(path.join(root,'scripts/publish-industry-ui.mjs')));
const {rollbackFiles}=await import(pathToFileURL(path.join(root,'scripts/rollback-ui.mjs')));
const options={sourceDir:path.join(root,'payload'),manifestPath:path.join(root,'deploy/industry-ui-files.json'),targetDir:target};
const receipt={ok:false,checks:[],testedFilesSha256:{},productionWrites:0,paidCalls:0,localFilesystemOnly:true};
const check=(name,condition)=>{assert.ok(condition,name);receipt.checks.push(name);};
for(const name of ['index.html',...manifest.files.filter(f=>!f.allowMissing).map(f=>f.path)]){
 const dest=path.join(target,name);fs.mkdirSync(path.dirname(dest),{recursive:true});fs.copyFileSync(path.join(work,'baseline',name),dest);
}
let server;
try{
 const dry=publishFiles(options);check('dry-plan-six-no-write',dry.readOnly&&dry.changes.length===6&&dry.backup===null);
 for(const f of manifest.files.filter(f=>f.allowMissing))assert.ok(!fs.existsSync(path.join(target,f.path)));
 const apply=publishFiles({...options,apply:true});check('apply-six-files',apply.filesystemVerified&&apply.changes.length===6);
 const noop=publishFiles({...options,apply:true});check('idempotent-no-op',noop.changes.length===0&&noop.backup===null);
 server=createServer(async(req,res)=>{
  if(req.url==='/api/library'){
   let body='';for await(const chunk of req)body+=chunk;
   const parsed=JSON.parse(body);assert.equal(parsed.op,'summary');
   const upstream=await fetch('https://kangshifu.fmode.cn/api/library',{method:'POST',headers:{'content-type':'application/json'},body});
   res.writeHead(upstream.status,{'content-type':'application/json'});res.end(await upstream.text());return;
  }
  const name=new URL(req.url,'http://localhost').pathname.slice(1);
  const file=path.resolve(target,name);
  if(!file.startsWith(target+path.sep)||!fs.existsSync(file)){res.writeHead(404);res.end();return;}
  res.writeHead(200,{'content-type':file.endsWith('.json')?'application/json':file.endsWith('.js')?'text/javascript':'text/html'});res.end(fs.readFileSync(file));
 });
 await new Promise(resolve=>server.listen(0,'127.0.0.1',resolve));
 const origin='http://127.0.0.1:'+server.address().port;
 const verify=await new Promise((resolve,reject)=>{
  const child=spawn(process.execPath,[path.join(root,'scripts/verify-public.mjs'),'--origin',origin],{windowsHide:true});
  let out='',err='';child.stdout.on('data',b=>out+=b);child.stderr.on('data',b=>err+=b);child.on('error',reject);
  child.on('close',code=>resolve({code,out,err}));
 });
 const publicCheck=JSON.parse(verify.out);check('isolated-http-readback-with-live-library',verify.code===0&&publicCheck.ok);
 fs.writeFileSync(path.join(root,'evidence/isolated-public-check.json'),JSON.stringify(publicCheck,null,2)+'\n');
 const rdry=rollbackFiles({targetDir:target,backupDir:apply.backup});check('rollback-dry-six-files',rdry.readOnly&&rdry.changes.length===6);
 const restored=rollbackFiles({targetDir:target,backupDir:apply.backup,apply:true});check('rollback-restores-baseline',restored.filesystemVerified);
 check('rollback-noop',rollbackFiles({targetDir:target,backupDir:apply.backup}).changes.length===0);
 const corrupt=path.join(target,'src/pages/view-industry.js');fs.appendFileSync(corrupt,'\n// external change\n');
 assert.throws(()=>publishFiles(options),{code:'UNKNOWN_TARGET_CONTENT'});check('unknown-target-stops',true);
 receipt.ok=true;
 for(const dir of ['payload','scripts','test','test-support','deploy']){
  for(const entry of fs.readdirSync(path.join(root,dir),{recursive:true,withFileTypes:true})){
   if(entry.isFile()){const file=path.join(entry.parentPath,entry.name),name=path.relative(root,file).replaceAll('\\','/');receipt.testedFilesSha256[name]=sha(fs.readFileSync(file));}
  }
 }
}finally{
 if(server)await new Promise(r=>server.close(r));
 fs.writeFileSync(path.join(root,'evidence/package-acceptance.json'),JSON.stringify(receipt,null,2)+'\n');
 console.log(JSON.stringify(receipt));
}