<?php

namespace App\Console\Commands;

use App\Services\QueryOptimizationService;
use Illuminate\Console\Attributes\Description;
use Illuminate\Console\Attributes\Signature;
use Illuminate\Console\Command;

#[Signature('db:optimize')]
#[Description('Optimize database tables and analyze statistics')]
class OptimizeDatabaseCommand extends Command
{
    public function __construct(
        private QueryOptimizationService $optimizationService
    ) {
        parent::__construct();
    }

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        $this->info('Starting database optimization...');

        $tables = [
            'jobs',
            'job_categories',
            'job_sources',
            'job_locations',
            'api_logs',
            'job_fetch_logs',
            'analytics_events',
        ];

        foreach ($tables as $table) {
            $this->info("Optimizing table: {$table}");

            try {
                // Optimize table (defragment and rebuild indexes)
                $this->optimizationService->optimizeTable($table);
                $this->line("  ✓ Optimized");

                // Analyze table statistics
                $this->optimizationService->analyzeTable($table);
                $this->line("  ✓ Analyzed");

                // Get table stats
                $stats = $this->optimizationService->getTableStats($table);
                if ($stats) {
                    $this->line("  Size: {$stats['size_mb']} MB (Data: {$stats['data_size_mb']} MB, Indexes: {$stats['index_size_mb']} MB)");
                    $this->line("  Rows: " . number_format($stats['table_rows']));
                }

                $this->newLine();
            } catch (\Exception $e) {
                $this->error("  ✗ Failed: " . $e->getMessage());
            }
        }

        $this->info('Database optimization completed!');

        return self::SUCCESS;
    }
}