<?php
chdir('/var/www/fastuser/data/www/crm.clientright.ru');
require_once 'include/utils/utils.php';
require_once 'include/database/PearDatabase.php';
require_once 'crm_extensions/vendor/autoload.php';

use Aws\S3\S3Client as AwsS3Client;

global $adb;

$options = getopt('', ['dry-run', 'project:']);
$dryRun = isset($options['dry-run']);
$projectId = isset($options['project']) ? (int)$options['project'] : null;

$s3 = new AwsS3Client([
    'version' => 'latest',
    'region' => 'ru-1',
    'endpoint' => 'https://s3.twcstorage.ru',
    'use_path_style_endpoint' => true,
    'credentials' => [
        'key' => '2OMAK5ZNM900TAXM16J7',
        'secret' => 'f4ADllb5VZBAt2HdsyB8WcwVEU7U74MwFCa1DARG',
    ],
]);

$bucket = 'f9825c87-4e3558f6-f9b6-405c-ad3d-d1535c49b61c';
$logFile = __DIR__ . '/logs/migration_final_' . date('Y-m-d_H-i-s') . '.log';

if (!is_dir(__DIR__ . '/logs')) {
    mkdir(__DIR__ . '/logs', 0755, true);
}

function writeLog($message) {
    global $logFile;
    $logMessage = "[" . date('Y-m-d H:i:s') . "] $message\n";
    file_put_contents($logFile, $logMessage, FILE_APPEND);
    echo $message . "\n";
}

function sanitizeFileName($name) {
    $name = str_replace(['/', '\\', ':', '*', '?', '"', '<', '>', '|'], '_', $name);
    $name = preg_replace('/\s+/', ' ', $name);
    return trim($name);
}

writeLog("🚀 === МИГРАЦИЯ ПРОЕКТА $projectId ===");
if ($dryRun) writeLog("⚠️  DRY-RUN MODE");

// Получаем документы
$sql = "SELECT n.* FROM vtiger_notes n 
        INNER JOIN vtiger_senotesrel r ON r.notesid = n.notesid 
        WHERE r.crmid = ? AND n.filelocationtype = 'E'
        ORDER BY n.notesid";
$result = $adb->pquery($sql, [$projectId]);
$count = $adb->num_rows($result);

writeLog("📋 Документов: $count");

$newFolderPath = "crm2/CRM_Active_Files/Documents/проекта_{$projectId}";
$stats = ['total' => $count, 'success' => 0, 'errors' => 0, 'skipped' => 0];
$usedNames = [];

for ($i = 0; $i < $count; $i++) {
    $doc = $adb->fetchByAssoc($result);
    $docId = $doc['notesid'];
    $title = sanitizeFileName($doc['title']);
    $oldUrl = $doc['filename'];
    
    writeLog("\n📄 [$docId] {$doc['title']}");
    
    // Извлекаем S3 путь из URL
    if (strpos($oldUrl, "https://s3.twcstorage.ru/$bucket/") === 0) {
        $oldS3PathEncoded = str_replace("https://s3.twcstorage.ru/$bucket/", '', $oldUrl);
        $oldS3Path = urldecode($oldS3PathEncoded);
    } else {
        writeLog("   ⚠️  Нестандартный формат URL");
        $stats['skipped']++;
        continue;
    }
    
    // Формируем новое имя
    $extension = pathinfo(basename($oldS3Path), PATHINFO_EXTENSION);
    $baseNewName = $title ? "{$title}_{$docId}" : "document_{$docId}";
    $newFileName = $baseNewName . ($extension ? ".$extension" : '');
    
    // Проверка дубликатов
    $counter = 1;
    $finalNewName = $newFileName;
    while (isset($usedNames[$finalNewName])) {
        $finalNewName = $baseNewName . "_{$counter}" . ($extension ? ".$extension" : '');
        $counter++;
    }
    $usedNames[$finalNewName] = true;
    
    $newS3Path = "$newFolderPath/$finalNewName";
    
    // Проверяем уже мигрирован?
    if ($oldS3Path === $newS3Path) {
        writeLog("   ⏭️  Уже мигрирован, пропускаю");
        $stats['skipped']++;
        continue;
    }
    
    writeLog("   БЫЛО: $oldS3Path");
    writeLog("   БУДЕТ: $newS3Path");
    
    if ($dryRun) {
        writeLog("   [DRY-RUN] ✓ Будет скопировано");
        $stats['success']++;
        continue;
    }
    
    // РЕАЛЬНОЕ КОПИРОВАНИЕ
    try {
        // Проверяем старый файл
        $head = $s3->headObject(['Bucket' => $bucket, 'Key' => $oldS3Path]);
        $oldSize = $head['ContentLength'];
        writeLog("   ✓ Найден, размер: " . number_format($oldSize / 1024, 2) . " KB");
        
        // Копируем
        $s3->copyObject([
            'Bucket' => $bucket,
            'CopySource' => "$bucket/$oldS3Path",
            'Key' => $newS3Path,
        ]);
        
        // Проверяем копию
        $headNew = $s3->headObject(['Bucket' => $bucket, 'Key' => $newS3Path]);
        $newSize = $headNew['ContentLength'];
        
        if ($newSize !== $oldSize) {
            throw new Exception("Размеры не совпадают!");
        }
        
        writeLog("   ✅ Скопировано, размер OK");
        
        // Обновляем БД
        $newUrl = "https://s3.twcstorage.ru/$bucket/$newS3Path";
        $adb->pquery("UPDATE vtiger_notes SET filename = ? WHERE notesid = ?", [$newUrl, $docId]);
        
        writeLog("   ✅ БД обновлена");
        writeLog("   ✅ УСПЕХ!");
        
        $stats['success']++;
        
    } catch (Exception $e) {
        writeLog("   ❌ ОШИБКА: " . $e->getMessage());
        $stats['errors']++;
    }
}

writeLog("\n📊 === ИТОГО ===");
writeLog("Всего: {$stats['total']}");
writeLog("Успешно: {$stats['success']}");
writeLog("Ошибок: {$stats['errors']}");
writeLog("Пропущено: {$stats['skipped']}");
writeLog("\n✅ Лог: $logFile");