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

    $label_action = $data['label_action'] ?? 'create';
    $barcode      = trim($data['barcode'] ?? '');
    $warehouse_id = (int)($data['warehouse_id'] ?? 0);
    $zone         = trim($data['zone'] ?? '');
    $aisle        = trim($data['aisle'] ?? '');
    $rack         = trim($data['rack'] ?? '');

    if ($label_action !== 'list') {
        require_role($user_role, ['owner', 'admin', 'staff']);
    }

    $bm = new BarcodeManager($pdo2, $company_id);

    if ($label_action === 'list') {
        $answer['success'] = 1;
        $answer['output']  = $bm->listLocationLabels();
        exit(json_encode($answer));
    }

    if ($label_action === 'print') {
        if ($barcode === '') {
            $answer['message'] = 'No barcode provided.';
            http_response_code(400);
            exit(json_encode($answer));
        }
        $bm->recordPrint($barcode, 'loc');
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    if ($label_action === 'disable') {
        if ($barcode === '') {
            $answer['message'] = 'No barcode provided.';
            http_response_code(400);
            exit(json_encode($answer));
        }
        $bm->setStatus($barcode, 'loc', 0);
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    if ($label_action === 'enable') {
        if ($barcode === '') {
            $answer['message'] = 'No barcode provided.';
            http_response_code(400);
            exit(json_encode($answer));
        }
        $bm->setStatus($barcode, 'loc', 1);
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    // Default: create
    if ($barcode === '' || !$warehouse_id || $rack === '') {
        $answer['message'] = 'Location barcode data is incomplete.';
        http_response_code(400);
        exit(json_encode($answer));
    }

    try {
        $output            = $bm->createLocationLabel($barcode, $warehouse_id, $zone, $aisle, $rack);
        $answer['success'] = 1;
        $answer['output']  = $output;
    } catch (Exception $e) {
        $answer['message'] = $e->getMessage();
        http_response_code($e->getMessage() === 'Location not found.' ? 404 : 400);
    }

    exit(json_encode($answer));
?>