<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use PDO;
use Throwable;

class EnsureAppDatabaseCommand extends Command
{
    protected $signature = 'app:ensure-database';

    protected $description = 'Create PostgreSQL app database if it does not exist';

    public function handle(): int
    {
        if (env('DB_CONNECTION', 'pgsql') !== 'pgsql') {
            return self::SUCCESS;
        }

        $host = env('APP_DB_HOST', env('AUDIT_DB_HOST', '127.0.0.1'));
        $port = (int) env('APP_DB_PORT', env('AUDIT_DB_PORT', 5432));
        $user = env('APP_DB_USERNAME', env('AUDIT_DB_USERNAME', 'audit'));
        $password = env('APP_DB_PASSWORD', env('AUDIT_DB_PASSWORD', ''));
        $database = env('APP_DB_DATABASE', 'databaselist_app');

        try {
            $pdo = new PDO(
                "pgsql:host={$host};port={$port};dbname=postgres",
                $user,
                $password,
                [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
            );

            $stmt = $pdo->prepare('SELECT 1 FROM pg_database WHERE datname = ?');
            $stmt->execute([$database]);

            if ($stmt->fetchColumn() === false) {
                $pdo->exec('CREATE DATABASE "' . str_replace('"', '""', $database) . '"');
                $this->info("Created database [{$database}].");
            }
        } catch (Throwable $e) {
            $this->warn('Could not ensure app database: ' . $e->getMessage());

            return self::FAILURE;
        }

        return self::SUCCESS;
    }
}