using Microsoft.AspNetCore.Localization;
using Microsoft.AspNetCore.Mvc;

namespace Prefab.Culture;

/// <summary>
/// Controller for setting the culture.
/// </summary>
[Route("[controller]/[action]")]
public class CultureController : Controller
{
    /// <summary>
    /// Set the culture and redirect to the specified URL.
    /// </summary>
    /// <param name="culture"></param>
    /// <param name="redirectUri"></param>
    /// <returns>LocalRedirect ActionResult</returns>
    /// <remarks>
    /// Use LocalRedirect action result to prevent open redirect attacks.
    /// For more information <see href="https://learn.microsoft.com/en-us/aspnet/core/security/preventing-open-redirects?view=aspnetcore-9.0">Prevent open redirect attacks in ASP.NET Core</see>
    /// </remarks>
    public IActionResult Set(string? culture, string redirectUri)
    {
        if (culture != null)
        {
            HttpContext.Response.Cookies.Append(
                CookieRequestCultureProvider.DefaultCookieName,
                CookieRequestCultureProvider.MakeCookieValue(
                    new RequestCulture(culture, culture)));
        }

        return LocalRedirect(redirectUri);
    }
}