<?php
// V94 WEVALTECH Catalog API - auto-discovery all pages
// Returns categorized HTML pages from /var/www/html for WTP hub
// ZERO hardcode, auto-refresh, no duplicate

header("Content-Type: application/json");
header("Cache-Control: max-age=60");

$ROOT = "/var/www/html";
$PATTERNS = array(
    "core"       => array("wevia-master", "wevia-autonomous", "wevia-chat", "weval-master"),
    "dashboards" => array("dashboard", "kpi", "visual-management", "analytics", "lean6sigma"),
    "agents"     => array("agents-", "agent-", "blade-agent"),
    "blade_ops"  => array("blade-", "ops-", "command-center", "cyber-monitor", "crons"),
    "products"   => array("enterprise", "ethica", "medreach", "reachhcp", "pharma", "suite", "arsenal"),
    "crm_sales"  => array("crm", "sales", "deal", "pipeline", "leads", "contacts"),
    "business"   => array("erp", "business-", "value-", "vsm", "dmaic"),
    "ai"         => array("ai-", "ai.html", "claude-", "deepseek", "anthropic", "gemini"),
    "admin_sec"  => array("admin", "config", "settings", "secret", "credentials", "vault"),
    "wiki_docs"  => array("wiki", "docs", "guide", "faq", "tutorial", "help"),
);

$TAG_LEGACY = array("legacy", "-dead", "-old", "-v0", "-v1", "-v2", "-v3", "-test", "-bak");

function classify($basename) {
    global $PATTERNS;
    foreach ($PATTERNS as $cat => $pats) {
        foreach ($pats as $p) {
            if (stripos($basename, $p) !== false) return $cat;
        }
    }
    return "other";
}
function is_legacy($basename) {
    global $TAG_LEGACY;
    foreach ($TAG_LEGACY as $t) if (stripos($basename, $t) !== false) return true;
    return false;
}

$files = glob("$ROOT/*.html") ?: array();
$catalog = array();
$stats = array("total" => 0, "legacy" => 0, "by_cat" => array());

foreach ($files as $f) {
    $base = basename($f);
    if (preg_match('/\.(gold|GOLD|bak|pre-|20\d{6})/', $base)) continue;
    $size = @filesize($f);
    $mtime = @filemtime($f);
    $legacy = is_legacy($base);
    $cat = $legacy ? "legacy" : classify($base);
    $catalog[] = array(
        "file" => $base,
        "url" => "/$base",
        "size_kb" => intval($size / 1024),
        "updated" => date("Y-m-d", $mtime),
        "category" => $cat,
        "legacy" => $legacy,
    );
    $stats["total"]++;
    if ($legacy) $stats["legacy"]++;
    $stats["by_cat"][$cat] = ($stats["by_cat"][$cat] ?? 0) + 1;
}

// Read live KPIs from V83 for header
$kpi = @json_decode(@file_get_contents("http://127.0.0.1/api/wevia-v83-business-kpi.php?action=summary"), true);
if (!$kpi) {
    // fallback fetch with host
    $ch = curl_init("http://127.0.0.1/api/wevia-v83-business-kpi.php?action=summary");
    curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 3, CURLOPT_HTTPHEADER => ["Host: weval-consulting.com"]]);
    $kpi = @json_decode(curl_exec($ch), true);
    curl_close($ch);
}

$tools_registry = @json_decode(@file_get_contents("$ROOT/api/wevia-tool-registry.json"), true);
$nonreg = @json_decode(@file_get_contents("$ROOT/api/nonreg-latest.json"), true);

$out = array(
    "ok" => true,
    "version" => "V94-wevaltech-catalog",
    "ts" => date("c"),
    "catalog" => $catalog,
    "stats" => $stats,
    "live_state" => array(
        "kpi_ok" => $kpi["summary"]["ok"] ?? 0,
        "kpi_warn" => $kpi["summary"]["warn"] ?? 0,
        "kpi_fail" => $kpi["summary"]["fail"] ?? 0,
        "completeness_pct" => $kpi["summary"]["data_completeness_pct"] ?? 0,
        "tools_total" => count($tools_registry["tools"] ?? array()),
        "tools_exec" => count(array_filter($tools_registry["tools"] ?? array(), function($t){ return !empty($t["exec"]); })),
        "l99_score" => $nonreg["score"] ?? 0,
        "l99_pass" => $nonreg["pass"] ?? 0,
        "l99_total" => $nonreg["total"] ?? 0,
        "l99_ts" => $nonreg["ts"] ?? "",
    ),
);

echo json_encode($out, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);