<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use App\Services\AvatarService;

class AvatarsMigrate extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'avatars:migrate {--force}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Migrate legacy avatars to new WebP avatar storage';

    protected $service;

    public function __construct(AvatarService $service)
    {
        parent::__construct();
        $this->service = $service;
    }

    public function handle()
    {
        $this->info('Starting avatar migration...');

        // Try to read legacy data from user_profiles.avatar_legacy or users.avatar_legacy or users.icon
        $rows = DB::table('user_profiles')->select('user_id', 'avatar_legacy')->whereNotNull('avatar_legacy')->get();

        if ($rows->isEmpty()) {
            // fallback to users table
            $rows = DB::table('users')->select('user_id', 'icon as avatar_legacy')->whereNotNull('icon')->get();
        }

        $count = 0;
        foreach ($rows as $row) {
            $userId = $row->user_id;
            $legacy = $row->avatar_legacy ?? null;
            if (!$legacy) {
                continue;
            }

            // Try common legacy paths
            $candidates = [
                public_path('user-picture/' . $legacy),
                public_path('avatar/' . $userId . '/' . $legacy),
                storage_path('app/public/user-picture/' . $legacy),
                storage_path('app/public/avatar/' . $userId . '/' . $legacy),
            ];

            $found = false;
            foreach ($candidates as $p) {
                if (file_exists($p) && is_readable($p)) {
                    $this->info("Processing user {$userId} from {$p}");
                    $hash = $this->service->storeFromLegacyFile($userId, $p);
                    if ($hash) {
                        $this->info(" -> migrated, hash={$hash}");
                        $count++;
                        $found = true;
                        break;
                    }
                }
            }

            if (!$found) {
                $this->warn("Legacy file not found for user {$userId}, filename={$legacy}");
            }
        }

        $this->info("Migration complete. Processed: {$count}");
        return 0;
    }
}