using Microsoft.AspNetCore.Authorization;
using System;

namespace gehGassi.Web.Auth.Requirements
{
    /// <summary>
    /// Requirement für die Prüfung ob ein Request einen bestimmten Header beinhaltet
    /// </summary>
    public class HasHeaderRequirement : IAuthorizationRequirement
    {
        /// <summary>
        /// Name des Headers
        /// </summary>
        public string HeaderName { get; }

        /// <summary>
        /// Wert den der Header haben muss
        /// </summary>
        public string HeaderValue { get; }

        /// <summary>
        /// Erstellt eine Instanz
        /// </summary>
        /// <param name="headerName">Name des Headers</param>
        /// <param name="headerValue">Wert den der Header haben muss</param>
        /// <exception cref="ArgumentException"></exception>
        public HasHeaderRequirement(string headerName, string headerValue)
        {
            HeaderName = headerName ?? throw new ArgumentException(nameof(headerName));
            HeaderValue = headerValue;
        }
    }
}