<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Cache;

class SiteRestore extends Command
{
    /**
     * Cache key for restoration progress.
     */
    const PROGRESS_KEY = 'site_restore_progress';

    /**
     * Update progress in Cache.
     *
     * @param string $message Progress message.
     * @param int $percentage Progress percentage.
     * @return void
     */
    protected function updateProgress(string $message, int $percentage): void
    {
        Cache::put(self::PROGRESS_KEY, [
            'status' => $message,
            'percent' => $percentage,
            'timestamp' => now()->timestamp,
        ], 300); // 5-minute TTL

        $this->info("[$percentage%] $message");
    }
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'sw:site:restore {filename} {--force}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Restore the site from a backup archive.';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $filename = $this->argument('filename');
        $backupPath = storage_path("app/backups/{$filename}");

        if (!File::exists($backupPath)) {
            $this->error("Backup file not found: {$filename}");
            return 1;
        }

        if ($this->option('force') || $this->confirm("Are you sure you want to restore from {$filename}? This will overwrite your current database and files.")) {
            $this->updateProgress("Starting restoration...", 5);

            $tempPath = storage_path('app/temp_restore');
            if (File::exists($tempPath)) {
                File::deleteDirectory($tempPath);
            }
            mkdir($tempPath, 0755, true);

            // Extract archive
            $this->updateProgress("Extracting backup archive...", 20);
            $command = "tar -xzf " . escapeshellarg($backupPath) . " -C " . escapeshellarg($tempPath);
            exec($command, $output, $returnVar);

            if ($returnVar !== 0) {
                $this->updateProgress("Failed to extract backup.", 0);
                $this->error("Failed to extract backup.");
                File::deleteDirectory($tempPath);
                return 1;
            }

            // Database restoration
            $this->updateProgress("Restoring database...", 40);
            $dbPath = config('database.connections.sqlite.database');
            $dbFilename = basename($dbPath);

            // Skip restoration if database is in memory (tests)
            if ($dbPath === ':memory:') {
                $this->warn('Skipping database restoration because it is in-memory.');
                // We'll still progress
            } else {
                // Look for database file in temp path. It should now be in the root of the temp path.
                $extractedDbFile = $tempPath . '/' . $dbFilename;

                if (File::exists($extractedDbFile)) {
                    File::copy($extractedDbFile, $dbPath);
                } else {
                    // Compatibility for old absolute path backups (tar stripping leading slash)
                    $oldPathDb = $tempPath . ltrim($dbPath, '/');
                    if (File::exists($oldPathDb)) {
                        File::copy($oldPathDb, $dbPath);
                    } else {
                        $this->warn("Database file ($dbFilename) not found in backup.");
                    }
                }
            }

            // Media restoration
            $this->updateProgress("Restoring media files...", 60);
            $extractedMedia = $tempPath . '/media';
            if (File::exists($extractedMedia)) {
                $targetMedia = storage_path('app/public/media');
                if (File::exists($targetMedia)) {
                    File::deleteDirectory($targetMedia);
                }
                File::moveDirectory($extractedMedia, $targetMedia);
            }

            // Themes restoration
            $this->updateProgress("Restoring themes...", 80);
            $extractedThemes = $tempPath . '/themes';
            if (File::exists($extractedThemes)) {
                $targetThemes = base_path('themes');
                if (File::exists($targetThemes)) {
                    File::deleteDirectory($targetThemes);
                }
                File::moveDirectory($extractedThemes, $targetThemes);
            }

            $this->updateProgress("Cleaning up...", 95);
            File::deleteDirectory($tempPath);
            $this->updateProgress("Restoration completed successfully.", 100);
            return 0;
        }

        $this->info("Restoration cancelled.");
        return 0;
    }
}