<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Log;
use Carbon\Carbon;

class LogCleanup extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'logs:cleanup {--days=30 : Number of days to keep logs}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Clean up old log files older than specified days';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $days = $this->option('days');
        $logPath = storage_path('logs');

        if (!File::isDirectory($logPath)) {
            $this->error("Log directory not found: {$logPath}");
            return 1;
        }

        $deletedFiles = 0;
        $deletedSize = 0;
        $cutoffDate = Carbon::now()->subDays($days);

        $this->info("Cleaning up log files older than {$days} days (before {$cutoffDate->toDateString()})...");

        $files = File::files($logPath);

        foreach ($files as $file) {
            $filename = $file->getFilename();

            // Skip the current laravel.log file
            if ($filename === 'laravel.log') {
                continue;
            }

            $lastModified = Carbon::createFromTimestamp($file->getMTime());

            if ($lastModified->lt($cutoffDate)) {
                $fileSize = $file->getSize();

                try {
                    File::delete($file->getPathname());
                    $deletedFiles++;
                    $deletedSize += $fileSize;

                    $this->line("Deleted: {$filename} (" . $this->formatBytes($fileSize) . ", modified: {$lastModified->toDateString()})");
                } catch (\Exception $e) {
                    $this->error("Failed to delete {$filename}: " . $e->getMessage());
                }
            }
        }

        if ($deletedFiles > 0) {
            $this->info("\nCleanup complete!");
            $this->info("Deleted {$deletedFiles} file(s), freed " . $this->formatBytes($deletedSize));

            Log::channel('cleanup')->info("Log cleanup completed", [
                'deleted_files' => $deletedFiles,
                'freed_space' => $this->formatBytes($deletedSize),
                'days' => $days
            ]);
        } else {
            $this->info("No old log files found to delete.");
        }

        return 0;
    }

    /**
     * Format bytes to human readable format
     *
     * @param int $bytes
     * @return string
     */
    private function formatBytes($bytes)
    {
        $units = ['B', 'KB', 'MB', 'GB'];
        $bytes = max($bytes, 0);
        $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
        $pow = min($pow, count($units) - 1);
        $bytes /= (1 << (10 * $pow));

        return round($bytes, 2) . ' ' . $units[$pow];
    }
}