<?php
/**
 * JARVIS Stats Cache Collector
 * Runs every 5 min via cron. Fetches Proxmox + HA data and stores in api_cache.
 * Keeps live API calls out of the request path.
 */
require_once __DIR__ . '/../config.php';
require_once __DIR__ . '/../../api/lib/db.php';

function curlGet(string $url, array $headers, int $timeout = 10): ?string {
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER     => $headers,
        CURLOPT_TIMEOUT        => $timeout,
        CURLOPT_CONNECTTIMEOUT => 5,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_SSL_VERIFYHOST => false,
    ]);
    $out  = curl_exec($ch);
    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $err  = curl_error($ch);
    curl_close($ch);
    if ($err) { echo "[cache] curl error: $err\n"; return null; }
    return ($code >= 200 && $code < 300) ? $out : null;
}

function cacheStore(string $key, $data): void {
    $json = is_string($data) ? $data : json_encode($data);
    JarvisDB::execute(
        'INSERT INTO api_cache (cache_key, data, updated_at) VALUES (?,?,NOW())
         ON DUPLICATE KEY UPDATE data=VALUES(data), updated_at=NOW()',
        [$key, $json]
    );
}

// ── Proxmox ──────────────────────────────────────────────────────────────
if (PROXMOX_HOST !== '10.48.200.X' && PROXMOX_TOKEN_VAL !== 'YOUR_TOKEN_VALUE_HERE') {
    $pveBase = 'https://10.48.200.90:' . PROXMOX_PORT . '/api2/json';
    $pveAuth = ['Authorization: PVEAPIToken=' . PROXMOX_USER . '!' . PROXMOX_TOKEN_ID . '=' . PROXMOX_TOKEN_VAL];

    // Cluster resources API — returns all VMs/CTs from ALL nodes (pve + pve2)
    $clusterRaw    = curlGet("$pveBase/cluster/resources?type=vm", $pveAuth);
    $nodeStatusRaw = curlGet("$pveBase/nodes/" . PROXMOX_NODE . "/status", $pveAuth);
    $nodeStatus    = $nodeStatusRaw ? (json_decode($nodeStatusRaw, true)['data'] ?? null) : null;

    $allResources = $clusterRaw ? (json_decode($clusterRaw, true)['data'] ?? []) : [];

    function fmtUptime(int $sec): string {
        $d = intdiv($sec, 86400); $h = intdiv($sec % 86400, 3600); $m = intdiv($sec % 3600, 60);
        return ($d > 0 ? "{$d}d " : '') . "{$h}h {$m}m";
    }

    function fmtBytes(int $b): string {
        if ($b >= 1073741824) return round($b/1073741824, 1) . ' GB';
        if ($b >= 1048576)    return round($b/1048576, 1)    . ' MB';
        return $b . ' B';
    }

    $vmDetails = []; $lxcDetails = [];
    foreach ($allResources as $r) {
        $memPct    = ($r['maxmem'] ?? 0) > 0 ? round($r['mem'] / $r['maxmem'] * 100, 1) : 0;
        $diskGb    = round(($r['maxdisk'] ?? 0) / 1073741824, 1);
        $cpuPct    = round(($r['cpu'] ?? 0) * 100, 1);
        $upSec     = (int)($r['uptime'] ?? 0);
        $entry = [
            'vmid'         => $r['vmid'],
            'name'         => $r['name'] ?? ($r['type'] === 'lxc' ? 'CT-' : 'VM-') . $r['vmid'],
            'node'         => $r['node'] ?? 'pve',
            'type'         => $r['type'] ?? 'qemu',
            'status'       => $r['status'] ?? 'unknown',
            'cpu_pct'      => $cpuPct,
            'cpus'         => $r['maxcpu'] ?? 1,
            'mem_pct'      => $memPct,
            'mem_used_mb'  => round(($r['mem'] ?? 0) / 1048576),
            'mem_total_mb' => round(($r['maxmem'] ?? 0) / 1048576),
            'disk_gb'      => $diskGb,
            'uptime_s'     => $upSec,
            'uptime_human' => $upSec > 0 ? fmtUptime($upSec) : '—',
            'netin'        => $r['netin'] ?? 0,
            'netout'       => $r['netout'] ?? 0,
            'netin_fmt'    => fmtBytes((int)($r['netin'] ?? 0)),
            'netout_fmt'   => fmtBytes((int)($r['netout'] ?? 0)),
        ];
        if ($r['type'] === 'lxc') $lxcDetails[] = $entry;
        else                      $vmDetails[]   = $entry;
    }

    // Sort by node then vmid
    usort($vmDetails,  fn($a,$b) => $a['node'] <=> $b['node'] ?: $a['vmid'] <=> $b['vmid']);
    usort($lxcDetails, fn($a,$b) => $a['node'] <=> $b['node'] ?: $a['vmid'] <=> $b['vmid']);

    // Node summary for both nodes
    $nodeInfo = [];
    if ($nodeStatus) {
        $ns = $nodeStatus;
        $nodeInfo['pve'] = [
            'cpu_pct'      => round(($ns['cpu'] ?? 0) * 100, 1),
            'mem_pct'      => ($ns['memory']['total'] ?? 0) > 0
                              ? round($ns['memory']['used'] / $ns['memory']['total'] * 100, 1) : 0,
            'mem_used_gb'  => round(($ns['memory']['used']  ?? 0) / 1073741824, 1),
            'mem_total_gb' => round(($ns['memory']['total'] ?? 0) / 1073741824, 1),
            'uptime'       => fmtUptime((int)($ns['uptime'] ?? 0)),
            'disk_used_gb' => round(($ns['rootfs']['used']  ?? 0) / 1073741824, 1),
            'disk_total_gb'=> round(($ns['rootfs']['total'] ?? 0) / 1073741824, 1),
        ];
    }

    cacheStore('proxmox', [
        'configured'   => true,
        'node'         => PROXMOX_NODE,
        'node_status'  => $nodeStatus,
        'node_info'    => $nodeInfo,
        'vms'          => $vmDetails,
        'containers'   => $lxcDetails,
        'vm_count'     => count($vmDetails),
        'ct_count'     => count($lxcDetails),
        'cached_at'    => date('c'),
    ]);
    echo '[cache] Proxmox: ' . count($vmDetails) . ' VMs, ' . count($lxcDetails) . " CTs cached (both nodes)\n";
}

// ── Home Assistant ────────────────────────────────────────────────────────
if (HA_TOKEN !== 'YOUR_HA_TOKEN_HERE' && strpos(HA_URL, '10.48.200.X') === false) {
    $haHeaders = [
        'Authorization: Bearer ' . HA_TOKEN,
        'Content-Type: application/json',
    ];

    $statesRaw = curlGet(HA_URL . '/api/states', $haHeaders, 15);
    $configRaw = curlGet(HA_URL . '/api/config', $haHeaders, 8);

    $states = $statesRaw ? json_decode($statesRaw, true) : [];
    $config = $configRaw ? json_decode($configRaw, true) : [];

    // Controllable domains only — skip read-only sensors to keep list manageable
    $interesting   = ['light','switch','alarm_control_panel',
                      'lawn_mower','water_heater','fan','lock','cover','climate','input_boolean'];
    // Switches that are HA internals / camera settings, not physical devices
    $skipKeywords  = ['pre_release','_record','_ftp_','_push_','_hub_ringtone',
                      '_siren_on','_email_on','_manual_record','_infrared_',
                      'do_not_disturb','matter_server','zerotier','mariadb',
                      'spotify_connect','file_editor','ssh_web','uptime_kuma',
                      'folding_home','music_assistant','get_hacs','mealie',
                      'mosquitto','social_to','esphome_device','motion_detection',
                      'front_yard_record','down_hill_record','camera1_record',
                      'back_yard_record','nvr_','assist_microphone','cec_scanner',
                      'kiosker','hacs_pre','adguard'];
    $grouped = [];
    foreach (($states ?? []) as $entity) {
        $domain = explode('.', $entity['entity_id'])[0];
        if (!in_array($domain, $interesting)) continue;
        if ($domain === 'switch') {
            $skip = false;
            foreach ($skipKeywords as $kw) {
                if (strpos($entity['entity_id'], $kw) !== false) { $skip = true; break; }
            }
            if ($skip) continue;
        }
        if (!isset($grouped[$domain])) $grouped[$domain] = [];
        $grouped[$domain][] = [
            'entity_id'    => $entity['entity_id'],
            'name'         => $entity['attributes']['friendly_name'] ?? $entity['entity_id'],
            'state'        => $entity['state'],
            'last_changed' => $entity['last_changed'] ?? null,
        ];
    }

    cacheStore('ha_entities', [
        'configured'   => true,
        'ha_version'   => $config['version'] ?? 'unknown',
        'location'     => $config['location_name'] ?? 'Home',
        'entity_count' => count($states ?? []),
        'entities'     => $grouped,
        'cached_at'    => date('c'),
    ]);
    $total = array_sum(array_map('count', $grouped));
    echo "[cache] HA: $total entities across " . count($grouped) . " domains cached\n";
}

// ── Weather (wttr.in — refresh every 30 min) ──────────────────────────────
$weatherRow = JarvisDB::query(
    "SELECT UNIX_TIMESTAMP(updated_at) as ts FROM api_cache WHERE cache_key='weather' LIMIT 1"
);
$weatherAge = $weatherRow ? (time() - (int)$weatherRow[0]['ts']) : PHP_INT_MAX;

if ($weatherAge > 1800) {
    // wttr.in code → icon mapping
    $wttrIcon = function(int $code): string {
        if ($code === 113) return 'SUNNY';
        if ($code === 116) return 'PARTLY CLOUDY';
        if (in_array($code, [119,122])) return 'CLOUDY';
        if (in_array($code, [143,248,260])) return 'FOGGY';
        if (in_array($code, [176,263,266,293,296])) return 'LIGHT RAIN';
        if (in_array($code, [299,302,305,308,353,356,359])) return 'RAIN';
        if (in_array($code, [317,320,362,365])) return 'SLEET';
        if (in_array($code, [323,326,329,332,335,338,368,371])) return 'SNOW';
        if (in_array($code, [386,389,392,395,200])) return 'STORMS';
        if (in_array($code, [281,284,311,314])) return 'FREEZING RAIN';
        return 'MIXED';
    };
    $wttrEmoji = function(int $code): string {
        if ($code === 113) return 'Sunny';
        if ($code === 116) return 'Partly Cloudy';
        if (in_array($code, [119,122])) return 'Cloudy';
        if (in_array($code, [143,248,260])) return 'Foggy';
        if (in_array($code, [176,263,266,293,296])) return 'Light Rain';
        if (in_array($code, [299,302,305,308,353,356,359])) return 'Rain';
        if (in_array($code, [317,320,362,365])) return 'Sleet';
        if (in_array($code, [323,326,329,332,335,338,368,371])) return 'Snow';
        if (in_array($code, [386,389,392,395,200])) return 'Thunderstorm';
        return 'Mixed';
    };

    $weatherRaw = curlGet(
        'https://wttr.in/FortWorth,TX?format=j1',
        ['User-Agent: curl/7.88 Jarvis/1.0'],
        15
    );

    if ($weatherRaw) {
        $w  = json_decode($weatherRaw, true);
        $cu = $w['current_condition'][0] ?? [];
        $days = $w['weather'] ?? [];

        $curCode = (int)($cu['weatherCode'] ?? 113);
        $forecast = [];
        foreach (array_slice($days, 0, 4) as $day) {
            // max rain chance across 8 hourly slots
            $rainPct = 0;
            foreach ($day['hourly'] ?? [] as $h) {
                $rainPct = max($rainPct, (int)($h['chanceofrain'] ?? 0));
            }
            $dayCode = (int)($day['hourly'][4]['weatherCode'] ?? 113);
            $forecast[] = [
                'date'     => $day['date'] ?? '',
                'day'      => date('D', strtotime($day['date'] ?? 'now')),
                'high'     => (int)($day['maxtempF'] ?? 0),
                'low'      => (int)($day['mintempF'] ?? 0),
                'rain_pct' => $rainPct,
                'desc'     => $wttrEmoji($dayCode),
                'icon'     => $wttrIcon($dayCode),
            ];
        }

        cacheStore('weather', [
            'source'   => 'wttr.in',
            'location' => 'Fort Worth, TX',
            'current'  => [
                'temp'     => (int)($cu['temp_F'] ?? 0),
                'feels'    => (int)($cu['FeelsLikeF'] ?? 0),
                'humidity' => (int)($cu['humidity'] ?? 0),
                'wind'     => (int)($cu['windspeedMiles'] ?? 0),
                'desc'     => $wttrEmoji($curCode),
                'icon'     => $wttrIcon($curCode),
                'cloud'    => (int)($cu['cloudcover'] ?? 0),
                'vis'      => (int)($cu['visibility'] ?? 0),
            ],
            'forecast'  => $forecast,
            'cached_at' => date('c'),
        ]);
        echo '[cache] Weather: ' . ($cu['temp_F'] ?? '?') . "°F, " . $wttrEmoji($curCode) . " (wttr.in) cached\n";
    } else {
        echo "[cache] Weather: wttr.in fetch failed\n";
    }
} else {
    echo '[cache] Weather: fresh (' . round($weatherAge/60) . " min old)\n";
}

// ── News (RSS feeds — refresh every 30 min) ───────────────────────────────
$newsRow = JarvisDB::query(
    "SELECT UNIX_TIMESTAMP(updated_at) as ts FROM api_cache WHERE cache_key='news' LIMIT 1"
);
$newsAge = $newsRow ? (time() - (int)$newsRow[0]['ts']) : PHP_INT_MAX;

if ($newsAge > 1800) {
    $feeds = [
        'headlines' => [
            'https://feeds.bbci.co.uk/news/rss.xml',
            'https://feeds.npr.org/1001/rss.xml',
            'https://feeds.abcnews.com/abcnews/topstories',
        ],
        'technology' => [
            'http://feeds.arstechnica.com/arstechnica/index',
            'https://www.theverge.com/rss/index.xml',
        ],
    ];

    function parseRss(string $xml, int $max = 5): array {
        $items = [];
        if (!$xml) return $items;
        libxml_use_internal_errors(true);
        $dom = new DOMDocument();
        $dom->loadXML($xml);
        $nodes = $dom->getElementsByTagName('item');
        $count = 0;
        foreach ($nodes as $node) {
            if ($count >= $max) break;
            $title = $node->getElementsByTagName('title')->item(0)?->textContent ?? '';
            $link  = $node->getElementsByTagName('link')->item(0)?->textContent  ?? '';
            $pub   = $node->getElementsByTagName('pubDate')->item(0)?->textContent ?? '';
            $title = html_entity_decode(trim($title), ENT_QUOTES | ENT_HTML5, 'UTF-8');
            if ($title && strlen($title) > 5) {
                $items[] = [
                    'title'   => $title,
                    'link'    => trim($link),
                    'pub'     => $pub ? date('M j g:ia', strtotime($pub)) : '',
                    'source'  => '',
                ];
                $count++;
            }
        }
        return $items;
    }

    $allNews = [];
    foreach ($feeds as $category => $urls) {
        $allNews[$category] = [];
        foreach ($urls as $url) {
            $xml = curlGet($url, ['User-Agent: Mozilla/5.0 Jarvis/1.0'], 12);
            $items = parseRss($xml, 4);
            // Tag source from URL
            $src = preg_match('/bbc/i', $url) ? 'BBC' :
                   (preg_match('/npr/i', $url) ? 'NPR' :
                   (preg_match('/abcnews/i', $url) ? 'ABC' :
                   (preg_match('/arstechnica/i', $url) ? 'Ars Technica' :
                   (preg_match('/theverge/i', $url) ? 'The Verge' : 'News'))));
            foreach ($items as &$it) { $it['source'] = $src; }
            $allNews[$category] = array_merge($allNews[$category], $items);
            if (count($allNews[$category]) >= 8) break;
        }
        // Trim to 8 per category
        $allNews[$category] = array_slice($allNews[$category], 0, 8);
    }

    $totalItems = array_sum(array_map('count', $allNews));
    cacheStore('news', [
        'categories' => $allNews,
        'cached_at'  => date('c'),
        'total'      => $totalItems,
    ]);
    echo "[cache] News: $totalItems articles cached\n";
} else {
    echo '[cache] News: fresh (' . round($newsAge/60) . " min old)\n";
}

echo '[cache] Done at ' . date('Y-m-d H:i:s') . "\n";