<?php
/**
 * JournalManager
 *
 * Create, read, and void journal entries in ac_journal + ac_journal_line.
 * Updates ac_balance after each post.
 * Never called directly by WMS — goes through PostingManager.
 */
class JournalManager
{
    private PDO $pdo;
    private int $companyId;

    public function __construct(PDO $pdo, int $company_id)
    {
        $this->pdo       = $pdo;
        $this->companyId = $company_id;
    }

    // TODO: create(array $header, array $lines): int  — returns journal_id
    // TODO: void(int $journal_id): void
    // TODO: getBySource(string $source_type, int $source_id): ?array
    // TODO: getById(int $journal_id): ?array
    // TODO: updateBalance(string $period, string $account_code, ?int $dept_id, float $debit, float $credit): void
}