<?php

namespace App\Console\Commands;

use App\Models\AuditionEtude;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;

class EtudesCleanup extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'etudes:cleanup {--dry-run : Show what would be deleted without actually deleting}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Clean up orphaned etude records and PDF files';

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        $dryRun = $this->option('dry-run');

        if ($dryRun) {
            $this->info('Running in dry-run mode - no changes will be made');
        }

        $this->info('Starting etudes cleanup...');
        $this->newLine();

        // Part 1: Remove database records with missing PDF files
        $this->info('Checking for database records with missing PDF files...');
        $orphanedRecords = 0;

        AuditionEtude::chunk(100, function ($etudes) use (&$orphanedRecords, $dryRun) {
            foreach ($etudes as $etude) {
                if (! Storage::disk('public')->exists($etude->file_path)) {
                    $this->warn("Missing file: {$etude->file_path} (Record ID: {$etude->id})");
                    $orphanedRecords++;

                    if (! $dryRun) {
                        $etude->delete();
                    }
                }
            }
        });

        if ($orphanedRecords > 0) {
            $action = $dryRun ? 'would be' : 'were';
            $this->info("✓ {$orphanedRecords} orphaned database record(s) {$action} removed");
        } else {
            $this->info('✓ No orphaned database records found');
        }

        $this->newLine();

        // Part 2: Remove PDF files not referenced in the database
        $this->info('Checking for PDF files not referenced in the database...');

        $referencedPaths = AuditionEtude::pluck('file_path')->toArray();
        $allFiles = Storage::disk('public')->files('etudes');
        $orphanedFiles = array_diff($allFiles, $referencedPaths);

        if (count($orphanedFiles) > 0) {
            foreach ($orphanedFiles as $file) {
                $this->warn("Orphaned file: {$file}");

                if (! $dryRun) {
                    Storage::disk('public')->delete($file);
                }
            }

            $action = $dryRun ? 'would be' : 'were';
            $this->info('✓ '.count($orphanedFiles)." orphaned file(s) {$action} removed");
        } else {
            $this->info('✓ No orphaned files found');
        }

        $this->newLine();
        $this->info('Cleanup completed!');

        return Command::SUCCESS;
    }
}