using Asp.Versioning;
using GerstITS.Examples.Api.Versioning;
using GerstITS.Mail;
using GerstITS.Validation;
using GerstITS.Web.Api;
using GerstITS.Web.Api.FluentApi;
using Microsoft.AspNetCore.Mvc;

namespace GerstITS.Examples.Api.Controllers._1._1;

/// <summary>
/// Is responsible to send contact requests via the configured smtp mail provider.
/// </summary>
[ApiController,
 ApiVersion(Versions._1_1),
 Route(ApplicationEnvironment.WebApi.ControllerRouteTemplate)]
public class ContactController : FluentApiControllerBase
{
    #region Fields

    private const string _supportAddress = "support@example.com";

    private readonly IMailProvider _mailProvider;

    #endregion

    #region Constructors

    public ContactController(IMailProvider mailProvider,
                             IValidator validator)
        : base(validator)
    {
        _mailProvider = mailProvider;
    }

    #endregion

    #region Methods

    /// <summary>
    /// Sends a contact request as mail to the support address.
    /// </summary>
    /// <param name="contactRequest">Contact request to send.</param>
    /// <returns>Returns true if the mail was sent.</returns>
    [HttpPost]
    public IActionResult Send([FromBody] ContactRequest contactRequest)
    {
        return Api().Use(contactRequest)
                    .Create(x => _mailProvider.SendMail(ToMailNotification(x)));
    }

    private static MailNotification ToMailNotification(ContactRequest contactRequest)
    {
        return new MailNotification
               {
                   Recipients = new[] { _supportAddress },
                   Subject = $"{contactRequest.Subject} ({contactRequest.SenderName}, {contactRequest.SenderEmail})",
                   Body = contactRequest.Body,
                   IsHtmlMail = false
               };
    }

    #endregion
}