<?php

/**
 * mago_probe_saledoc2_cli.php - SOLO LETTURA. Riepilogo dei documenti di vendita PER TIPO
 * (n. documenti, imponibile totale, registro IVA, causale...) per capire quali sono fatture
 * e quali note di credito. Non scrive nulla nel database.
 *
 * Uso:  php mago_probe_saledoc2_cli.php --from=2026-01-01 > probe_saledoc2.txt 2>&1
 */

if (PHP_SAPI !== 'cli') {
    http_response_code(403);
    exit('Solo da riga di comando');
}

set_time_limit(0);

$dirs = [__DIR__, dirname(__DIR__), dirname(__DIR__, 2), dirname(__DIR__, 3)];
foreach ($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;
        }
    }
}
require_once __DIR__ . '/class/MagoClient.php';

$opts = getopt('', ['from::']);
$from = $opts['from'] ?? date('Y') . '-01-01';

$mago = MagoClient::fromEnv();
try {
    $mago->login();

    // 1) tutte le testate del periodo, solo i campi utili
    $fields = [
        'SaleDocId',
        'DocumentType',
        'DocNo',
        'DocumentDate',
        'CustSupp',
        'TaxJournal',
        'InvoicingTaxJournal',
        'InvRsn',
        'ShippingReason',
        'EIDocumentType',
        'InvoiceFollows',
        'Issued',
        'Cancelled',
        'PostedToAccounting',
        'CorrectionDocument',
        'StubBook'
    ];
    $docs  = [];
    $minId = PHP_INT_MAX;
    foreach (
        $mago->iterate('MA_SaleDoc', [
            'filters' => [['key' => 'DocumentDate', 'value' => $from, 'operator' => '>=']],
            'fields'  => $fields,
        ]) as $r
    ) {
        $id = (int)$r['SaleDocId'];
        $docs[$id] = $r;
        $minId = min($minId, $id);
    }
    echo "Documenti dal $from: " . count($docs) . PHP_EOL;

    // 2) importi: leggo i totali con SaleDocId >= il più piccolo del periodo
    $tax = [];
    if ($docs) {
        foreach (
            $mago->iterate('MA_SaleDocSummary', [
                'filters' => [['key' => 'SaleDocId', 'value' => (string)$minId, 'operator' => '>=']],
                'fields'  => ['SaleDocId', 'TaxableAmount', 'TotalAmount'],
            ]) as $r
        ) {
            $tax[(int)$r['SaleDocId']] = (float)$r['TaxableAmount'];
        }
    }
    echo "Totali letti: " . count($tax) . PHP_EOL;

    // 3) riepilogo per tipo
    $sum = [];
    $add = function (&$arr, $v) {
        $v = (string)$v;
        if ($v === '') $v = '(vuoto)';
        $arr[$v] = ($arr[$v] ?? 0) + 1;
    };
    foreach ($docs as $id => $r) {
        $t = (string)$r['DocumentType'];
        if (!isset($sum[$t])) $sum[$t] = [
            'documenti' => 0,
            'imponibile' => 0.0,
            'senza_importo' => 0,
            'annullati' => 0,
            'in_contabilita' => 0,
            'TaxJournal' => [],
            'InvRsn' => [],
            'ShippingReason' => [],
            'EIDocumentType' => [],
            'StubBook' => [],
            'InvoiceFollows' => [],
            'esempi' => []
        ];
        $s = &$sum[$t];
        $s['documenti']++;
        if (isset($tax[$id])) $s['imponibile'] += $tax[$id];
        else $s['senza_importo']++;
        if (!empty($r['Cancelled'])) $s['annullati']++;
        if (!empty($r['PostedToAccounting'])) $s['in_contabilita']++;
        $add($s['TaxJournal'], $r['TaxJournal'] ?? '');
        $add($s['InvRsn'], $r['InvRsn'] ?? '');
        $add($s['ShippingReason'], $r['ShippingReason'] ?? '');
        $add($s['EIDocumentType'], $r['EIDocumentType'] ?? '');
        $add($s['StubBook'], $r['StubBook'] ?? '');
        $add($s['InvoiceFollows'], !empty($r['InvoiceFollows']) ? 'si' : 'no');
        if (count($s['esempi']) < 4) $s['esempi'][] = $r['DocNo'] . ' del ' . substr((string)$r['DocumentDate'], 0, 10) . ' cliente ' . $r['CustSupp'] . ' imponibile ' . ($tax[$id] ?? '?');
        unset($s);
    }
    ksort($sum);
    foreach ($sum as &$s) {
        $s['imponibile'] = round($s['imponibile'], 2);
        foreach (['TaxJournal', 'InvRsn', 'ShippingReason', 'EIDocumentType', 'StubBook', 'InvoiceFollows'] as $k) arsort($s[$k]);
    }
    unset($s);

    echo PHP_EOL . '=== Riepilogo per DocumentType ===' . PHP_EOL;
    echo json_encode($sum, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . PHP_EOL;
} catch (Throwable $e) {
    fwrite(STDERR, PHP_EOL . 'ERRORE: ' . $e->getMessage() . PHP_EOL);
} finally {
    $mago->logoff();
    echo PHP_EOL . 'Logoff eseguito.' . PHP_EOL;
}