<?php
define('LARAVEL_START', microtime(true));

$projectRoot = dirname(__DIR__);

require $projectRoot . '/vendor/autoload.php';

$app    = require_once $projectRoot . '/bootstrap/app.php';
$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
$kernel->bootstrap();

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;

$dryRun = !in_array('--delete', $argv ?? []);
echo "\n=== ۱. Storage Link Fix ===\n\n";

$link   = $projectRoot . DIRECTORY_SEPARATOR . 'public'  . DIRECTORY_SEPARATOR . 'storage';
$target = $projectRoot . DIRECTORY_SEPARATOR . 'storage' . DIRECTORY_SEPARATOR . 'app' . DIRECTORY_SEPARATOR . 'public';

echo "Link   : {$link}\n";
echo "Target : {$target}\n\n";

if (!is_dir($target)) {
    echo "ERROR: Target directory not found!\n";
} else {
    if (is_link($link) || (PHP_OS_FAMILY === 'Windows' && is_dir($link))) {
        if (PHP_OS_FAMILY === 'Windows') {
            exec('rmdir "' . $link . '"', $out, $code);
        } else {
            unlink($link);
        }
        echo "Old link removed.\n";
    }

    if (!file_exists($link) && !is_dir($link)) {
        if (PHP_OS_FAMILY === 'Windows') {
            exec('mklink /J "' . $link . '" "' . $target . '"', $out, $code);
            if ($code === 0) {
                echo "Junction created successfully! (no admin needed)\n";
            } else {
                echo "ERROR: " . implode("\n", $out) . "\n";
            }
        } else {
            if (symlink($target, $link)) {
                echo "Symlink created successfully!\n";
            } else {
                echo "ERROR: Could not create symlink.\n";
            }
        }
    } else {
        echo "OK: Link already exists and points to correct target.\n";
    }
}
echo "\n=== ۲. Orphan Files Cleanup ===\n";
echo $dryRun ? "Mode: DRY RUN (add --delete to actually delete)\n\n" : "Mode: DELETE\n\n";

$referencedFiles = [];

$patients = DB::table('patients')->select('photos_before', 'photos_after', 'videos', 'audio_files')->get();
foreach ($patients as $p) {
    foreach (['photos_before', 'photos_after', 'videos', 'audio_files'] as $field) {
        foreach (json_decode($p->$field ?? '[]', true) ?? [] as $file) {
            $referencedFiles[] = $file;
        }
    }
}

$initials = DB::table('osurg_initials')->select('attachment')->whereNotNull('attachment')->get();
foreach ($initials as $i) {
    if ($i->attachment) {
        $referencedFiles[] = $i->attachment;
    }
}

$referencedFiles = array_filter($referencedFiles);
echo "Files referenced in DB: " . count($referencedFiles) . "\n\n";

$dirs         = ['patients/photos-before', 'patients/photos-after', 'patients/videos', 'patients/audio', 'initials'];
$totalOrphans = 0;
$totalSize    = 0;

foreach ($dirs as $dir) {
    $diskFiles = Storage::disk('public')->files($dir);

    if (empty($diskFiles)) {
        echo "[{$dir}] No files.\n";
        continue;
    }

    $orphans = array_values(array_filter($diskFiles, fn($f) => !in_array($f, $referencedFiles)));

    echo "[{$dir}] total=" . count($diskFiles) . "  orphans=" . count($orphans) . "\n";

    foreach ($orphans as $orphan) {
        $size = Storage::disk('public')->size($orphan);
        $totalSize += $size;
        $totalOrphans++;
        echo "  - {$orphan} (" . number_format($size / 1024, 1) . " KB)";

        if (!$dryRun) {
            Storage::disk('public')->delete($orphan);
            echo " [DELETED]";
        }
        echo "\n";
    }
}

echo "\n─────────────────────────────────\n";
echo "Orphan files : {$totalOrphans}\n";
echo "Wasted space : " . number_format($totalSize / 1024 / 1024, 2) . " MB\n";

if ($dryRun && $totalOrphans > 0) {
    echo "\nبرای حذف اجرا کن:\n  php scripts/fix_storage.php --delete\n";
}

echo "\nDone!\n";