using System;
using System.Windows.Forms;
using HeuristicLab.Clients.Hive.CloudManager.Model;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;

namespace HeuristicLab.Clients.Hive.CloudManager.Views {
  [View("DeploymentView")]
  [Content(typeof(Deployment), IsDefaultView = true)]
  public partial class DeploymentView : ItemView {
    public new Deployment Content {
      get { return (Deployment)base.Content; }
      set { base.Content = value; }
    }

    public DeploymentView() {
      InitializeComponent();
    }

    protected override void DeregisterContentEvents() {
      base.DeregisterContentEvents();
    }
    protected override void RegisterContentEvents() {
      base.RegisterContentEvents();
    }

    protected override void OnContentChanged() {
      if (Content == null) {
        txtDeploymentName.Clear();
        txtDeploymentSlot.Clear();
        txtDeploymentStatus.Clear();
        txtCoresUsed.Clear();
      } else {
        txtDeploymentName.Text = Content.Label;
        txtDeploymentSlot.Text = Content.DeploymentSlot;
        txtDeploymentStatus.Text = Content.Status;
        txtInstanceCount.Text = Content.RoleInstanceList.Count.ToString();
        if (Content.RoleInstanceList.Count > 0) {
          txtInstanceSize.Text = Content.RoleInstanceList[0].InstanceSize;
        }

        tbChangeCores.Minimum = 1;
        tbChangeCores.Maximum = Content.Subscription.MaxCoreCount;
        tbChangeCores.Value = Content.RoleInstanceList.Count;

        txtCoresUsed.Text = (tbChangeCores.Value * GetCoresFromInstanceSize(txtInstanceSize.Text)).ToString();

      }
    }

    private void tbChangeCores_Scroll(object sender, System.EventArgs e) {
      int tbValue = tbChangeCores.Value;
      int size = GetCoresFromInstanceSize(txtInstanceSize.Text);
      txtInstanceCount.Text = tbValue.ToString();
      int cores = tbValue * (int)size;
      txtCoresUsed.Text = cores.ToString();
    }

    private int GetCoresFromInstanceSize(string instanceSize) {
      HeuristicLab.Clients.Hive.CloudManager.Azure.Constants.InstanceSize size =
       (HeuristicLab.Clients.Hive.CloudManager.Azure.Constants.InstanceSize)Enum.Parse(
         typeof(HeuristicLab.Clients.Hive.CloudManager.Azure.Constants.InstanceSize),
         instanceSize,
         true);
      return (int)size;
    }
  }
}