<?php
    session_start();
    require '../../../assets/utils/db_auth.php';
    require '../../../assets/utils/classes/ReportManager.php';

    $data         = json_decode($_POST['json'] ?? '{}', true) ?: [];
    $warehouse_id = (int)($data['warehouse_id'] ?? 0);
    $from_month   = $data['from_month'] ?? '';
    $to_month     = $data['to_month']   ?? '';

    if (!$warehouse_id || !$from_month || !$to_month) {
        $answer['message'] = 'warehouse_id, from_month, and to_month are required.';
        exit(json_encode($answer));
    }

    if ($from_month > $to_month) [$from_month, $to_month] = [$to_month, $from_month];

    $report = new ReportManager($pdo2, $company_id);

    $answer['output']  = $report->getStockMovementSummary($warehouse_id, $from_month, $to_month);
    $answer['success'] = 1;
    exit(json_encode($answer));
?>