@page "/servername"

@using Microsoft.AspNetCore.Authorization
@using ServerManagement.StateStore

@inject NavigationManager NavigationManager
@inject ContainerStorage containerStorage

@attribute [Authorize]

<h3>Server Name</h3>
<br/>

@if (!string.IsNullOrWhiteSpace(errorMessage))
{
  <div class="alert alert-danger">
    @errorMessage
  </div>
}

@if (server != null)
{
  <FieldComponent Label="Server name">
    <Control>
      <input type="text" @bind-value="server.Name" class="form-control"></input>
    </Control>
  </FieldComponent>
  <br/>
  <button type="button" class="btn btn-primary" @onclick="GoNext">Next</button>
}

@code {
  private Server? server;
  private string? errorMessage;

  protected override void OnInitialized()
  {
    base.OnInitialized();
  }

  protected override void OnAfterRender(bool firstRender)
  {
    if (firstRender)
    {
      server = new Server();
      StateHasChanged();
    }
  }

  private void GoNext()
  {
    if (string.IsNullOrWhiteSpace(server?.Name))
    {
      this.errorMessage = "Server name is required.";
    }
    else
    {
      containerStorage.SetServer(server);
      NavigationManager.NavigateTo($"/cityname");
    }
  }
}