using UtopiaCanteenSystem.Models;

namespace UtopiaCanteenSystem.Services;

/// <summary>
/// Employee lookup by RFID from local SQLite cache; menu authorization may still use HRMS.
/// </summary>
public interface IEmployeeLookupService
{
    /// <summary>
    /// Finds employee by RFID (<c>manufacturer_serial</c>) in local <c>employee_rfid_tag_cache</c>.
    /// Returns null if the card is not in the cache (sync from HRMS first).
    /// </summary>
    Task<HrmsEmployeeInfo?> GetEmployeeByRfidAsync(string rfid, CancellationToken cancellationToken = default);

    /// <summary>
    /// Reads <c>employee.location_site_id</c> where <c>employee.serial_number</c> matches the login employee id. Null if missing or not configured.
    /// </summary>
    Task<string?> GetLocationSiteIdByEmployeeSerialAsync(string employeeSerial, CancellationToken cancellationToken = default);

    /// <summary>
    /// Validates that a menu item is authorized for the employee RFID via <c>employee_menu_item_tag</c>.
    /// </summary>
    Task<bool> IsMenuItemAuthorizedForRfidAsync(string rfid, int menuItemId, CancellationToken cancellationToken = default);
}