<?php

/**
 * Sync acquisti mescole da Mago4 (sola lettura su Mago).
 *
 *   php mago_sync_mix_cli.php                     ultimi 90 giorni (incrementale, per il cron)
 *   php mago_sync_mix_cli.php --from=2024-01-01   storico (prima volta)
 *   php mago_sync_mix_cli.php --prices            stampa anche il prezzo €/kg per mescola
 *
 * Cron consigliato (2 volte al giorno nei giorni lavorativi, lontano dal sync ordini dei :40):
 *   52 6,13 * * 1-5  flock -n /tmp/mago_sync_mix.lock php /percorso/userarea/mago_sync_mix_cli.php >> /home/ubuntu/logs/mago_sync_mix.log 2>&1
 */

if (PHP_SAPI !== 'cli') {
    http_response_code(403);
    exit("Solo da terminale\n");
}

set_time_limit(0);
date_default_timezone_set('Europe/Rome');

// --- vendor e .env: come mago_sync_cli.php (userarea e fino a 3 cartelle sopra) ---
$dirs = [__DIR__, dirname(__DIR__), dirname(__DIR__, 2), dirname(__DIR__, 3)];
foreach ($dirs as $d) {
    if (file_exists($d . '/vendor/autoload.php')) {
        require_once $d . '/vendor/autoload.php';
        break;
    }
}
if (class_exists('Dotenv\Dotenv')) {
    foreach ($dirs as $d) {
        if (file_exists($d . '/.env')) {
            Dotenv\Dotenv::createImmutable($d)->safeLoad();
            break;
        }
    }
}

// --- DB della piattaforma ---
require_once __DIR__ . '/class/db-functions.php';
require_once __DIR__ . '/class/MagoClient.php';
require_once __DIR__ . '/class/MagoMixPurchases.php';

$opt = getopt('', ['from::', 'prices']);
$from = (isset($opt['from']) && preg_match('/^\d{4}-\d{2}-\d{2}$/', (string)$opt['from']))
    ? $opt['from']
    : date('Y-m-d', strtotime('-' . MagoMixPurchases::SYNC_DAYS . ' days'));

$t0 = microtime(true);
$log = function ($s) {
    echo '[' . date('Y-m-d H:i:s') . "] $s\n";
};

$mago = null;
$exit = 0;
try {
    $pdo = DBHandlerSelect::getInstance()->getConnection();
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $mago = MagoClient::fromEnv();
    $log("Sync acquisti mescole dal $from");
    MagoMixPurchases::sync($pdo, $mago, $from, $log);

    $lines = MagoMixPurchases::lines($pdo);
    $c = array_count_values(array_column($lines, 'match'));
    $log(sprintf(
        "Righe in archivio: %d · abbinate %d · da abbinare %d · ambigue %d · escluse (recuperi…) %d",
        count($lines),
        $c['ok'] ?? 0,
        $c['none'] ?? 0,
        $c['ambiguous'] ?? 0,
        $c['excluded'] ?? 0
    ));

    if (isset($opt['prices'])) {
        $prices = MagoMixPurchases::prices($pdo, MagoMixPurchases::PRICE_MONTHS, $lines);
        $names = $pdo->query("SELECT id, nome FROM mescole")->fetchAll(PDO::FETCH_KEY_PAIR);
        uasort($prices, fn($a, $b) => $b['kg_total'] <=> $a['kg_total']);
        echo "\nPrezzo €/kg (media " . MagoMixPurchases::PRICE_MONTHS . " mesi)\n";
        foreach ($prices as $id => $p) {
            printf("  %-45s %7.3f €/kg  ultimo %7.3f del %s%s\n", mb_substr($names[$id] ?? "#$id", 0, 45), $p['price'], $p['last_price'], $p['last_date'], $p['old'] ? '  (vecchio)' : '');
        }
    }
} catch (Throwable $e) {
    $log('ERRORE: ' . $e->getMessage());
    $exit = 1;
} finally {
    if ($mago) {
        $ok = $mago->logoff();
        $log('Logoff Mago: ' . ($ok ? 'OK' : 'NON riuscito → ' . $mago->getLastLogoffError()));
    }
    $log('Durata: ' . round(microtime(true) - $t0, 1) . ' s');
}
exit($exit);