<?php
// GROWTH ENGINE API v1.1 (13avr Opus)
header('Content-Type: application/json; charset=utf-8');
header('Access-Control-Allow-Origin: *');
if ($_SERVER['REQUEST_METHOD']==='OPTIONS'){http_response_code(200);exit;}

$action = $_GET['action'] ?? 'registry';

if ($action === 'registry') {
    readfile(__DIR__ . '/growth-engine-registry.json');
    exit;
}

if ($action === 'scan') {
    echo shell_exec('python3 /opt/weval-l99/growth-engine-scanner.py 2>&1');
    exit;
}

if ($action === 'analyze') {
    $reg = json_decode(file_get_contents(__DIR__ . '/growth-engine-registry.json'), true);
    if (!$reg) { echo json_encode(['error'=>'no registry']); exit; }
    
    // Load secrets same way as wevia-json-api.php
    $secrets = [];
    foreach (file('/etc/weval/secrets.env', FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES) as $l) {
        if (empty(trim($l))||$l[0]==='#') continue;
        $p = strpos($l,'=');
        if ($p) $secrets[trim(substr($l,0,$p))] = trim(substr($l,$p+1)," \t\"'");
    }
    
    $summary = array_map(function($a) {
        return $a['name'].'|'.($a['type']??'?').'|'.($a['status']??'?').'|mat:'.($a['maturity']??'?');
    }, $reg['assets']);
    
    $prompt = "Inventaire reel des assets techniques. Infra: disque ".$reg['infra']['disk']['pct'].", ".count($reg['assets'])." assets, ".$reg['infra']['crons']." crons, ".$reg['infra']['tool_registry']['count']." tools.\n\nAssets:\n".implode("\n",$summary)."\n\nAnalyse: TOP 5 quick wins revenue (<2sem effort), TOP 3 gaps commercialisation, score maturite 0-100. JSON only: {quick_wins:[],gaps:[],score:N,summary:str}";
    
    $payload = json_encode(['model'=>'llama-3.3-70b','messages'=>[['role'=>'user','content'=>$prompt]],'max_tokens'=>1500,'temperature'=>0.3]);
    
    // Try Cerebras
    $ch = curl_init('https://api.cerebras.ai/v1/chat/completions');
    curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER=>true, CURLOPT_POST=>true, CURLOPT_TIMEOUT=>30,
        CURLOPT_HTTPHEADER=>['Content-Type: application/json','Authorization: Bearer '.($secrets['CEREBRAS_API_KEY']??'')],
        CURLOPT_POSTFIELDS=>$payload]);
    $result = curl_exec($ch);
    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    $prov = 'Cerebras';
    $text = '';
    if ($code===200) {
        $d = json_decode($result,true);
        $text = $d['choices'][0]['message']['content'] ?? '';
    }
    
    // Fallback Groq
    if (!$text) {
        $payload2 = json_encode(['model'=>'llama-3.3-70b-versatile','messages'=>[['role'=>'user','content'=>$prompt]],'max_tokens'=>1500,'temperature'=>0.3]);
        $ch = curl_init('https://api.groq.com/openai/v1/chat/completions');
        curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER=>true, CURLOPT_POST=>true, CURLOPT_TIMEOUT=>30,
            CURLOPT_HTTPHEADER=>['Content-Type: application/json','Authorization: Bearer '.($secrets['GROQ_KEY']??'')],
            CURLOPT_POSTFIELDS=>$payload2]);
        $result = curl_exec($ch);
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        if ($code===200) { $d=json_decode($result,true); $text=$d['choices'][0]['message']['content']??''; $prov='Groq'; }
    }
    
    // Fallback Mistral
    if (!$text) {
        $payload3 = json_encode(['model'=>'mistral-small-latest','messages'=>[['role'=>'user','content'=>$prompt]],'max_tokens'=>1500,'temperature'=>0.3]);
        $ch = curl_init('https://api.mistral.ai/v1/chat/completions');
        curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER=>true, CURLOPT_POST=>true, CURLOPT_TIMEOUT=>30,
            CURLOPT_HTTPHEADER=>['Content-Type: application/json','Authorization: Bearer '.($secrets['MISTRAL_KEY']??'')],
            CURLOPT_POSTFIELDS=>$payload3]);
        $result = curl_exec($ch);
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        if ($code===200) { $d=json_decode($result,true); $text=$d['choices'][0]['message']['content']??''; $prov='Mistral'; }
    }
    
    echo json_encode(['analysis'=>$text,'provider'=>$prov,'assets'=>count($reg['assets']),'scanned'=>$reg['scanned_at']], JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);
    exit;
}

echo json_encode(['actions'=>['registry','scan','analyze']]);