<?php
namespace App\Modules\Accounting;

use App\Shared\Installation\CompositionRuntime;
use App\Shared\Context\CompanyContext;
use Illuminate\Support\Facades\DB;
use Tempo\Finance\GeneralLedger\LedgerSchema;

/** Read routing only. Domain facts stay in the host; ledger metadata stays in its original book. */
final class SourceBook
{
    private static function connection()
    {
        if(!(app()->environment('budget-testing')&&config('sgf_single_installation.enabled')===true&&config('sgf_single_installation.ledger_enabled')===true))return DB::connection();
        CompositionRuntime::assert();$host=CompositionRuntime::physical();$ctx=app(CompanyContext::class);$scope=$ctx->identifiers();$native=DB::connection('receipt_native');LedgerSchema::assertSynthetic($native);
        $binding=$native->table('gl_sgf_composition')->where('tenant_id',$scope['tenant_id'])->first();
        abort_unless($binding&&$binding->host_database===$host['database']&&(int)$binding->company_id===$scope['company_id']&&(int)$binding->unit_id===$ctx->unitId(),403);
        return $native;
    }
    public static function table(string $table){if(!preg_match('/^gl_[a-z_]+$/D',$table))throw new \LogicException('Ledger metadata only');return self::connection()->table($table);}
    public static function has(string $table):bool{if(!preg_match('/^gl_[a-z_]+$/D',$table))throw new \LogicException('Ledger metadata only');return self::connection()->getSchemaBuilder()->hasTable($table);}
}