<?php
header('Content-Type: application/json');
$start=microtime(true);
$results=['ts'=>date('c'),'actions'=>[],'fixes'=>[],'status'=>'running'];

// 1. SELF-DIAGNOSE: check all critical services
$checks=[
    ['name'=>'Chatbot','url'=>'https://weval-consulting.com/api/weval-chatbot-api.php','expect'=>200],
    ['name'=>'Master','url'=>'https://weval-consulting.com/api/wevia-master-api.php?health','expect'=>200],
    ['name'=>'Director','url'=>'https://weval-consulting.com/api/wevia-director.php?health','expect'=>200],
    ['name'=>'Ecosystem','url'=>'https://weval-consulting.com/api/ecosystem-health.php','expect'=>200],
    ['name'=>'NonReg','url'=>'https://weval-consulting.com/api/nonreg-api.php?cat=all','expect'=>200],
    ['name'=>'Blog','url'=>'https://weval-consulting.com/api/actualites/index.php','expect'=>200],
    ['name'=>'OSS','url'=>'https://weval-consulting.com/api/oss-cache.json','expect'=>200],
    ['name'=>'Brain','url'=>'https://weval-consulting.com/api/wevia-master-brain.json','expect'=>200],
    ['name'=>'Ollama','url'=>'http://127.0.0.1:11435/api/version','expect'=>200],
    ['name'=>'Qdrant','url'=>'http://127.0.0.1:6333/collections','expect'=>200],
    ['name'=>'DeerFlow','url'=>'http://127.0.0.1:2024/ok','expect'=>200],
    ['name'=>'MiroFish','url'=>'http://127.0.0.1:5001/health','expect'=>200],
    ['name'=>'Plausible','url'=>'http://127.0.0.1:8000','expect'=>200],
    ['name'=>'SearXNG','url'=>'http://127.0.0.1:8080','expect'=>200],
    ['name'=>'Mattermost','url'=>'http://127.0.0.1:8065','expect'=>200],
    ['name'=>'Kuma','url'=>'http://127.0.0.1:3088','expect'=>200],
];

$pass=$fail=$fixed=0;
foreach($checks as $c){
    $ch=curl_init($c['url']);
    curl_setopt_array($ch,[CURLOPT_RETURNTRANSFER=>1,CURLOPT_TIMEOUT=>5,CURLOPT_SSL_VERIFYPEER=>0,CURLOPT_FOLLOWLOCATION=>1]);
    $body=curl_exec($ch);$code=curl_getinfo($ch,CURLINFO_HTTP_CODE);curl_close($ch);
    $ok=in_array($code,[200,301,302]);
    if($ok){$pass++;}
    else{
        $fail++;
        $results['actions'][]=['service'=>$c['name'],'code'=>$code,'action'=>'DOWN'];
        
        // 2. SELF-FIX: restart known services
        $restarts=[
            'DeerFlow'=>'/opt/wevia-brain/deerflow-start.sh',
            'Paperclip'=>'/opt/wevia-brain/paperclip-start.sh',
        ];
        if(isset($restarts[$c['name']])){
            exec($restarts[$c['name']].' 2>&1',$out);
            $results['fixes'][]=['service'=>$c['name'],'script'=>$restarts[$c['name']]];
            $fixed++;
        }
    }
}

// 3. SELF-TEST: chatbot functional test
$chatTest=curl_init('https://weval-consulting.com/api/weval-ia');
curl_setopt_array($chatTest,[CURLOPT_POST=>1,CURLOPT_POSTFIELDS=>json_encode(['message'=>'test','language'=>'fr','widget'=>true]),CURLOPT_HTTPHEADER=>['Content-Type: application/json'],CURLOPT_RETURNTRANSFER=>1,CURLOPT_TIMEOUT=>25,CURLOPT_SSL_VERIFYPEER=>0]);
$chatR=curl_exec($chatTest);curl_close($chatTest);
$chatD=json_decode($chatR,true);
$chatOk=!empty($chatR);
$results['chatbot_functional']=$chatOk;
if($chatOk)$pass++;else $fail++;

// 4. SELF-REPORT: disk, docker, crons
$results['disk']=trim(shell_exec("df / --output=pcent|tail -1"));
$results['docker']=(int)trim(shell_exec("docker ps -q|wc -l"));
$results['summary']=['pass'=>$pass,'fail'=>$fail,'fixed'=>$fixed,'total'=>$pass+$fail];
$results['score']=round($pass/($pass+$fail)*100,1);
$results['elapsed_ms']=round((microtime(true)-$start)*1000);

// 5. TELEGRAM ALERT if fails > 2
if($fail>2){
    $msg="WEVIA MASTER ALERT: {$fail} services DOWN. Score: {$results['score']}%";
    @file_get_contents("https://api.telegram.org/bot8544624912/sendMessage?chat_id=7605775322&text=".urlencode($msg));
    $results['telegram']='alerted';
}

$results['status']='complete';
echo json_encode($results,JSON_PRETTY_PRINT);