<?php

namespace App\Console\Commands;

use App\Models\AppSetting;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Crypt;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Throwable;

class SyncEnvAppSettingsCommand extends Command
{
    protected $signature = 'app:sync-env-settings';

    protected $description = 'Seed SMTP and DB connections from .env when PostgreSQL app tables are empty';

    /** @var array<string, string> */
    private const MAIL_ENV_MAP = [
        'mail_mailer' => 'MAIL_MAILER',
        'mail_host' => 'MAIL_HOST',
        'mail_port' => 'MAIL_PORT',
        'mail_username' => 'MAIL_USERNAME',
        'mail_password' => 'MAIL_PASSWORD',
        'mail_encryption' => 'MAIL_ENCRYPTION',
        'mail_from_address' => 'MAIL_FROM_ADDRESS',
        'mail_from_name' => 'MAIL_FROM_NAME',
    ];

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

        try {
            if (! Schema::hasTable('app_settings')) {
                return self::SUCCESS;
            }

            if (DB::table('app_settings')->count() === 0) {
                $this->syncMailFromEnv();
            }

            if (Schema::hasTable('database_connections') && DB::table('database_connections')->count() === 0) {
                $this->syncDatabaseConnectionFromEnv();
            }
        } catch (Throwable $e) {
            $this->warn('Env sync failed: ' . $e->getMessage());

            return self::FAILURE;
        }

        return self::SUCCESS;
    }

    private function syncMailFromEnv(): void
    {
        $synced = 0;

        foreach (self::MAIL_ENV_MAP as $key => $envKey) {
            $value = env($envKey);

            if ($value === null || $value === '') {
                continue;
            }

            AppSetting::updateOrCreate(['key' => $key], ['value' => (string) $value]);
            $synced++;
        }

        if ($synced > 0) {
            $this->info("Synced {$synced} SMTP setting(s) from .env to PostgreSQL.");
        }
    }

    private function syncDatabaseConnectionFromEnv(): void
    {
        $host = env('MSSQL_HOST');

        if (! $host) {
            return;
        }

        DB::table('database_connections')->insert([
            'name' => 'SQL Server (default)',
            'driver' => 'sqlsrv',
            'host' => $host,
            'port' => (int) env('MSSQL_PORT', 1433),
            'database' => env('MSSQL_DATABASE', 'master'),
            'username' => env('MSSQL_USERNAME', 'sa'),
            'password_encrypted' => Crypt::encryptString(env('MSSQL_PASSWORD', '')),
            'is_active' => true,
            'created_at' => now(),
            'updated_at' => now(),
        ]);

        $this->info('Seeded default SQL Server connection from .env.');
    }
}