<?php 
    session_start();

    require '../../../assets/utils/db_auth.php';

    try {

        dbTransaction($pdo2, function($pdo) use ($data, $company_id, $logging, $uuid) {

            $id = (int)$data['id'];
            $whMgmt = new WarehouseManager($pdo, $company_id);

            for ($i = 0; $i < 2; $i++) {

                $data['type'] = ($i == 0) ? "from" : "to";
                $data['ref_type'] = ($i == 0) ? "to" : "from";
                $data['col'] = ($i == 0) ? "out" : "in";

                $warehouse_id = (int)$data['warehouse_' . $data["type"]];
                $ref_warehouse_id = (int)$data['warehouse_' . $data["ref_type"]];
                $data["warehouse"] = $data['warehouse_' . $data["type"]];
                $data["zone"] = $data['zone_' . $data["type"]];
                $data["aisle"] = $data['aisle_' . $data["type"]];
                $data["rack"] = $data['rack_' . $data["type"]];

                $warehouse = $whMgmt->getStockContext($warehouse_id, $id);
                $row   = $warehouse['row'] ?? [];
                $table = $warehouse['table'];

                // get uuid for update
                if ($id > 0 && $data['type'] == "from") {
                    $sql = "SELECT uuid FROM `$table`
                            WHERE company_id = :company_id AND id = :id";
                    $sth = $pdo->prepare($sql);
                    $sth->execute([
                        ":company_id" => $company_id,
                        ":id" => $id
                    ]);
                    $uuid = $sth->fetchColumn();
                }

                $table_log = json_decode($row['log'] ?? '[]', true);
                $table_log[] = $logging;

                if ($id > 0) {

                    $sql = "UPDATE `$table` SET
                                `product_sku` = :product_sku,
                                `{$data['col']}` = :quantity,
                                `zone` = :zone,
                                `aisle` = :aisle,
                                `rack` = :rack,
                                `contact_id` = :contact_id,
                                `description` = :description,
                                `log` = :log
                            WHERE uuid = :uuid AND company_id = :company_id";

                    $sth = $pdo->prepare($sql);
                    $sth->execute([
                        ":uuid" => $uuid,
                        ":company_id" => $company_id,
                        ":product_sku" => $data["product_sku"],
                        ":quantity" => $data["quantity"],
                        ":zone" => $data["zone"],
                        ":aisle" => $data["aisle"],
                        ":rack" => $data["rack"],
                        ":contact_id" => (int)$data["contact_id"],
                        ":description" => $data["description"],
                        ":log" => json_encode($table_log),
                    ]);

                } else {

                    $sql = "INSERT INTO `$table` 
                            (uuid, company_id, `date`, product_sku, `{$data['col']}`, ref_warehouse, zone, aisle, rack, contact_id, `description`, `log`, `type`) 
                            VALUES 
                            (:uuid, :company_id, :date, :product_sku, :quantity, :ref_warehouse, :zone, :aisle, :rack, :contact_id, :description, :log, 'transfer')";

                    $sth = $pdo->prepare($sql);
                    $sth->execute([
                        ":uuid" => $uuid,
                        ":company_id" => $company_id,
                        ":date" => date('Y-m-d H:i:s'),
                        ":product_sku" => $data["product_sku"],
                        ":quantity" => $data["quantity"],
                        ":ref_warehouse" => $ref_warehouse_id,
                        ":zone" => $data["zone"],
                        ":aisle" => $data["aisle"],
                        ":rack" => $data["rack"],
                        ":contact_id" => (int)$data["contact_id"],
                        ":description" => $data["description"],
                        ":log" => json_encode($table_log),
                    ]);
                }

                $whMgmt->adjustBalance($data['col'], $warehouse_id, $data["product_sku"], $row[$data['col']] ?? 0, $data["quantity"]);
            }

        });

        $answer["success"] = 1;

    } catch (PDOException $e) {
        $answer["success"] = 0;
        $answer["message"] = "Database error, please try again";

    } catch (Exception $e) {
        $answer["success"] = 0;
        $answer["message"] = "Something went wrong";
    }

    exit(json_encode($answer));
?>