#if HAVE_NODECANVAS

using System;

using UnityEngine;

using ParadoxNotion.Design;
using NodeCanvas.Framework;

using Framework.Actors;
using Framework.Actors.Shooter;
using Framework.Support;

namespace Game.Actors.Shooter {

  /// <summary>Alters the range of head movement available to a head look controller</summary>
  [Category("Actors")]
  [Description("Change the movement range of a character's head")]
  public class ChangeHeadMovementRangeTask : ActionTask {

    /// <summary>Actor whose head movement range will be altered</summary>
    [RequiredField]
    public BBParameter<ActorController> Actor;

    /// <summary>How far the user can move the characters head left and right</summary>
    public Range YawRange = new Range(-80.0f, 80.0f);
    /// <summary>How far the user can move the characters head up and down</summary>
    public Range PitchRange = new Range(-40.0f, 85.0f);
    /// <summary>Whether the head look controller is allowed to bend the spine</summary>
    public bool AllowSpinePosing = true;

    /// <summary>Summary of what this action does</summary>
    protected override string info {
      get {
        return
          "Set " + this.Actor.name + " head range to {" +
          this.YawRange.Start.ToString() + "; " + this.YawRange.End.ToString() + "} by {" +
          this.PitchRange.Start.ToString() + "; " + this.PitchRange.End.ToString() + "}";
      }
    }

    /// <summary>Called once when the action is executed</summary>
    protected override void OnExecute() {
      HeadMovementRange movementRange =
        this.Actor.value.GetComponent<HeadMovementRange>();
      if(movementRange == null) {
        Debug.LogWarning(
          "Could not change head movement range on actor '" + this.Actor.name + "' " +
          "because the actor does not have the HeadMovementRange component."
        );
        return;
      }

      movementRange.YawRange = this.YawRange;
      movementRange.PitchRange = this.PitchRange;

      EndAction();
    }

  }

} // namespace Game.Actors.Shooter

#endif // HAVE_NODECANVAS