<?php
declare(strict_types=1);
$lane=$argv[1]??'';
if(!in_array($lane,['B','C'],true))exit(78);
$env=[];$runtimeKeys=['PATH','LANG','TZ','LD_LIBRARY_PATH','DM_HOME','NLS_LANG','DM_CHARSET','DM_SVC_PATH','LC_ALL','LC_CTYPE'];
if($lane==='B'){
 foreach($runtimeKeys as $k)if(getenv($k)!==false)$env[$k]=getenv($k);
 $ini=parse_ini_file('/workspace/zhct/zhctproject/ai_api/.env.local',true,INI_SCANNER_RAW);
 $v=array_merge(['HOSTPORT'=>'3306','CHARSET'=>'utf8','PREFIX'=>'yoshop_'],$ini['DATABASE']??[]);
 foreach(['HOSTNAME'=>'HOST','HOSTPORT'=>'PORT','DATABASE'=>'SCHEMA','USERNAME'=>'USER','PASSWORD'=>'PASSWORD','CHARSET'=>'CHARSET','PREFIX'=>'PREFIX'] as $f=>$t){if(!array_key_exists($f,$v))throw new RuntimeException('Missing approved local key '.$f);$env['POC_AI_'.$t]=$v[$f];}
 $env['POC_DIALECT']='mysql';$php=['/usr/local/php7.4/bin/php'];
}else{
 $cmd=file_get_contents('/proc/53772/cmdline');
 if(strpos($cmd,'127.0.0.1:18102')===false)throw new RuntimeException('DM parent identity drift');
 $allowed=$runtimeKeys;
 foreach(['AI','STORE','ZHCT'] as $dbKey)foreach(['HOST','PORT','SCHEMA','USER','PASSWORD','CHARSET','PREFIX'] as $key)$allowed[]='POC_'.$dbKey.'_'.$key;
 $allowed[]='POC_DIALECT';
 foreach(explode("\0",file_get_contents('/proc/53772/environ')) as $entry){$p=explode('=',$entry,2);if(count($p)===2&&in_array($p[0],$allowed,true))$env[$p[0]]=$p[1];}unset($entry,$p);
 if(($env['POC_AI_HOST']??'')!=='127.0.0.1'||($env['POC_AI_PORT']??'')!=='5238'||($env['POC_AI_SCHEMA']??'')!=='AIZHCT_APP')throw new RuntimeException('DM target drift');
 $php=['/www/server/php/74/bin/php','-c','/www/server/php/74/etc/php-cli.ini','-d','extension=/home/dmdba/dmdbms/drivers/php_pdo/libphp74_dm.so','-d','extension=/home/dmdba/dmdbms/drivers/php_pdo/php74_pdo_dm.so'];
}
$env['READ12_LANE']=$lane;
$env['READ12_STAGE']=$argv[2]??'1';
if(!in_array($env['READ12_STAGE'],['1','2','img','repair-img','fixture','start','stop','run','run-final','cleanup'],true))exit(78);
$env['COMMENT_LANE']=$lane;
if(in_array($env['READ12_STAGE'],['start','stop'],true)){
 $port=$lane==='B'?18881:18882;$final=($argv[3]??'')==='FINAL';$state=__DIR__.'/private/'.($final?'worker-FINAL-state.json':'worker-state.json');
 if($env['READ12_STAGE']==='start'){
  if($s=@fsockopen('127.0.0.1',$port,$e,$m,1)){fclose($s);throw new RuntimeException('Own port collision');}
  if(file_exists($state))throw new RuntimeException('Own worker state already exists');
  $args=array_merge($php,['-d','allow_url_fopen=0','-d','disable_functions=curl_init,curl_setopt,curl_exec,curl_close,curl_multi_init,curl_multi_exec,fsockopen,stream_socket_client','-d','display_errors=0','-d','log_errors=0','-S','127.0.0.1:'.$port,'-t',__DIR__,__DIR__.'/router.php']);
  $cmd='nohup '.implode(' ',array_map('escapeshellarg',$args)).' </dev/null >/dev/null 2>&1 & echo $!';$p=proc_open($cmd,[1=>['pipe','w'],2=>['pipe','w']],$pipes,null,$env);$pid=trim(stream_get_contents($pipes[1]));$err=stream_get_contents($pipes[2]);fclose($pipes[1]);fclose($pipes[2]);if(proc_close($p)!==0||!ctype_digit($pid)||$err!=='')throw new RuntimeException('Own worker launch failed');file_put_contents($state,json_encode(['pid'=>(int)$pid,'port'=>$port]));chmod($state,0600);echo json_encode(['lane'=>$lane,'pid'=>(int)$pid,'port'=>$port,'collision_zero'=>true]),"\n";exit;
 }
 $s=json_decode(file_get_contents($state),true);$cmd=str_replace("\0",' ',file_get_contents('/proc/'.$s['pid'].'/cmdline'));if(strpos($cmd,__DIR__.'/router.php')===false||strpos($cmd,':'.$port)===false)throw new RuntimeException('Own worker identity drift');posix_kill($s['pid'],SIGTERM);usleep(200000);if($socket=@fsockopen('127.0.0.1',$port,$e,$m,1)){fclose($socket);throw new RuntimeException('Own port remains listening');}echo json_encode(['lane'=>$lane,'own_worker_stopped'=>true,'port_closed'=>true]),"\n";exit;
}
$script=$env['READ12_STAGE']==='run-final'?'run.php':(in_array($env['READ12_STAGE'],['repair-img','fixture','run','cleanup'],true)?$env['READ12_STAGE'].'.php':($env['READ12_STAGE']==='img'?'preflight-img.php':'preflight-readonly.php'));
$p=proc_open(array_merge($php,[__DIR__.'/'.$script]),[0=>STDIN,1=>STDOUT,2=>STDERR],$pipes,null,$env);exit(proc_close($p));