<?php

define('LARAVEL_START', microtime(true));

require __DIR__.'/vendor/autoload.php';

$app = require_once __DIR__.'/bootstrap/app.php';

$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
$kernel->bootstrap();

use App\Models\Language;
use App\Models\SiteTranslation;
use App\Models\Translation;

echo "=== STARTING QATAR (ARABIC) LOCALIZATION TRANSLATOR ===\n";

// Helper function to translate text using Google Translate
function translate_text_to_ar($text) {
    if (empty($text) || is_numeric($text)) {
        return $text;
    }
    
    // If it's already Arabic, don't translate
    if (preg_match('/[\x{0600}-\x{06FF}]/u', $text)) {
        return $text;
    }

    $url = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=ar&dt=t&q=" . urlencode($text);
    
    $options = [
        "http" => [
            "header" => "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.0.0 Safari/537.36\r\n"
        ]
    ];
    $context = stream_context_create($options);
    
    for ($attempt = 1; $attempt <= 3; $attempt++) {
        $response = @file_get_contents($url, false, $context);
        if ($response !== false) {
            $json = json_decode($response, true);
            if (isset($json[0])) {
                $translated = "";
                foreach ($json[0] as $part) {
                    if (isset($part[0])) {
                        $translated .= $part[0];
                    }
                }
                if (!empty($translated)) {
                    return $translated;
                }
            }
        }
        usleep(300000); // 300ms delay between retries
    }
    
    return $text; // Fallback
}

// 1. STEP: Activate Arabic (ar) language in Database with Qatar Flag
echo "\n--- Step 1: Configuring Arabic Language in Database ---\n";
$arabic = Language::where('code', 'ar')->first();
if ($arabic) {
    $arabic->update([
        'is_active' => true,
        'flag' => '🇶🇦', // Qatar Flag
        'direction' => 'rtl',
    ]);
    echo "Arabic language ('ar') activated and configured with Qatar flag 🇶🇦 (RTL direction).\n";
} else {
    Language::create([
        'code' => 'ar',
        'name' => 'Arabic',
        'native_name' => 'العربية',
        'flag' => '🇶🇦', // Qatar Flag
        'direction' => 'rtl',
        'is_active' => true,
        'is_default' => false,
        'sort_order' => 5,
    ]);
    echo "Arabic language ('ar') created, activated and configured with Qatar flag 🇶🇦 (RTL direction).\n";
}

// 2. STEP: Translate PHP Language Files
echo "\n--- Step 2: Translating PHP Language Files (TR to AR) ---\n";
$trPath = __DIR__ . '/lang/tr';
$arPath = __DIR__ . '/lang/ar';

if (!is_dir($arPath)) {
    mkdir($arPath, 0755, true);
    echo "Created directory: lang/ar\n";
}

$files = glob($trPath . '/*.php');
foreach ($files as $file) {
    $filename = basename($file);
    echo "Processing PHP lang file: $filename\n";
    
    $trArray = include $file;
    $arFile = $arPath . '/' . $filename;
    
    $arArray = [];
    if (file_exists($arFile)) {
        $arArray = include $arFile;
    }
    
    // Helper function for recursive array translation
    if (!function_exists('translate_value_recursive')) {
        function translate_value_recursive($val, $arVal = null, &$count = 0) {
            if (is_array($val)) {
                $res = [];
                foreach ($val as $k => $v) {
                    $arSubVal = isset($arVal[$k]) ? $arVal[$k] : null;
                    $res[$k] = translate_value_recursive($v, $arSubVal, $count);
                }
                return $res;
            } else {
                if (!empty($arVal)) {
                    return $arVal;
                }
                $translated = translate_text_to_ar($val);
                $count++;
                usleep(50000); // 50ms delay
                return $translated;
            }
        }
    }

    $translatedCount = 0;
    $translatedArray = translate_value_recursive($trArray, $arArray, $translatedCount);
    
    // Save back to lang/ar/filename.php
    $content = "<?php\n\nreturn " . var_export($translatedArray, true) . ";\n";
    $content = str_replace("array (", "[", $content);
    $content = str_replace("),", "],", $content);
    if (substr($content, -3) === ");\n") {
        $content = substr($content, 0, -3) . "];\n";
    }
    file_put_contents($arFile, $content);
    echo "Saved lang/ar/$filename. Translated $translatedCount new keys.\n";
}

// 3. STEP: Translate Database SiteTranslations (site_translations table)
echo "\n--- Step 3: Translating Site Translations Table (330+ records) ---\n";
$siteTranslations = SiteTranslation::all();
echo "Found " . $siteTranslations->count() . " records in site_translations.\n";
$translatedCount = 0;

foreach ($siteTranslations as $st) {
    $translations = $st->translations ?? [];
    if (!isset($translations['ar']) || empty($translations['ar'])) {
        // Find source text
        $sourceText = $st->key;
        if (isset($translations['tr']) && !empty($translations['tr'])) {
            $sourceText = $translations['tr'];
        } elseif (isset($translations['en']) && !empty($translations['en'])) {
            $sourceText = $translations['en'];
        }
        
        $translatedText = translate_text_to_ar($sourceText);
        $translations['ar'] = $translatedText;
        
        $st->translations = $translations;
        $st->save();
        $translatedCount++;
        
        if ($translatedCount % 20 === 0) {
            echo "Translated $translatedCount site translation records...\n";
        }
        usleep(60000); // 60ms delay
    }
}
echo "Completed Step 3. Translated $translatedCount site translation keys to Arabic.\n";

// 4. STEP: Translate Database Model Translations (translations table)
echo "\n--- Step 4: Translating Model Translations Table (Pages, Products, Blogs, Categories) ---\n";
// Get all unique model + field combinations that have translations
$uniqueTranslations = Translation::select('translatable_type', 'translatable_id', 'field_name')
    ->groupBy('translatable_type', 'translatable_id', 'field_name')
    ->get();

echo "Found " . $uniqueTranslations->count() . " unique translatable model fields.\n";
$modelTranslationsCount = 0;

foreach ($uniqueTranslations as $ut) {
    // Check if Arabic translation already exists
    $arTransExists = Translation::where('translatable_type', $ut->translatable_type)
        ->where('translatable_id', $ut->ut_id ?? $ut->translatable_id)
        ->where('field_name', $ut->field_name)
        ->where('language_code', 'ar')
        ->exists();
        
    if ($arTransExists) {
        continue;
    }
    
    // Find the best source translation
    $sourceTrans = Translation::where('translatable_type', $ut->translatable_type)
        ->where('translatable_id', $ut->translatable_id)
        ->where('field_name', $ut->field_name)
        ->whereIn('language_code', ['tr', 'en', 'de', 'se'])
        ->orderByRaw("FIELD(language_code, 'tr', 'en', 'de', 'se') ASC")
        ->first();
        
    if (!$sourceTrans || empty($sourceTrans->field_value)) {
        continue;
    }
    
    $sourceText = $sourceTrans->field_value;
    $translatedText = translate_text_to_ar($sourceText);
    
    // Create new Arabic translation record
    Translation::create([
        'translatable_type' => $ut->translatable_type,
        'translatable_id' => $ut->translatable_id,
        'language_code' => 'ar',
        'field_name' => $ut->field_name,
        'field_value' => $translatedText,
        'status' => 'published',
        'version' => $sourceTrans->version ?? 1,
        'created_by' => $sourceTrans->created_by,
        'updated_by' => $sourceTrans->updated_by,
        'approved_by' => $sourceTrans->approved_by,
        'approved_at' => now(),
        'published_at' => now(),
    ]);
    
    $modelTranslationsCount++;
    
    if ($modelTranslationsCount % 20 === 0) {
        echo "Translated $modelTranslationsCount model fields...\n";
    }
    
    usleep(80000); // 80ms politeness delay
}

echo "Completed Step 4. Generated $modelTranslationsCount new Arabic model translation records.\n";
echo "\n=== ALL TRANSLATIONS COMPLETED SUCCESSFULLY ===\n";