// Copyright: © 2016 DigiPen, All Rights Reserved.

// Class: ConfirmationPopUp
// Brief: This component is intended to be used with the UIMenuManager component. It
// should be attached to the LevelSettings object (or any permanent object) of any level
// where a confirmation may be needed


// Class for a custom event that requests a confirmation window to appear
class ConfirmationPopUpRequest : ZilchEvent
{
  // Registers ConfirmationPopUpRequest as the custom event's string type identifier
  sends ConfirmationPopUpRequest : ConfirmationPopUpRequest;
  // Variable that sends a reference to the object that made the request
  var Source : Cog = null;
}

// Class for a custom event that responds to a confirmation request either affirmtively (true) 
// or negatiovely (false). Used here for buttons confirmation to quit buttons
class ConfirmationPopUpResponse : ZilchEvent
{
  // Registers ConfirmationPopUpResponse as the custom event's string type identifier
  sends ConfirmationPopUpResponse : ConfirmationPopUpResponse;
  // Variable that sends the true/false (yes/no) response to quit confirmation
  var Response : Boolean = false;
}

// Class for the ConfirmationPopUp component
class ConfirmationPopUp : ZilchComponent
{
  // The level with the confirmation window in it to be loaded in the new space
  [Property]
  var ConfirmationLevel : Level = null;
  
  // Variable to reference the new space where the confirmation window will exist
  var ConSpace : Space = null;
  
  // Space archetype used to create the new space for the level containing the
  // confirmation window
  [Property]
  var ConSpaceArchetype : Archetype = null;
  
  // The parent object for the buttons in a level
  [Property]
  var SourceMenu : CogPath;
  
  function Initialize(init : CogInitializer)
  {
    // Connects to the ConfirmationPopUpRequest custom event
    Zero.Connect(this.Space, Events.ConfirmationPopUpRequest, this.OnConfirmationPopUpRequest);
  }
  
  // Response function called when ConfirmationPopUpRequest event is heard
  function OnConfirmationPopUpRequest(event : ConfirmationPopUpRequest)
  {
    // Creates and gets a reference to a new space made the confirmation window level
    this.ConSpace = this.GameSession.CreateNamedSpace("ConSpace", this.ConSpaceArchetype);
    
    // Loads the level that contains the confirmation window
    this.ConSpace.LoadLevel(this.ConfirmationLevel);
    
    // Calls the SetChildrenReactive function in the UIMenuManager component, passing in
    // false to deactivate the reactive components on the menu buttons
    this.SourceMenu.Cog.UIMenuManager.SetChildrenReactive(false);
    
    // Gets a reference to the SelectionArrow and checks to see if it exists in the level
    var selectionArrow = this.SourceMenu.Cog.UIMenuManager.SelectionArrow.Cog;
    if(selectionArrow != null)
    {
      // If it does exist, make the SelectionArrow invisible
      selectionArrow.Sprite.Visible = false;
    }
    
    // Connects to the ConfirmationPopUpResponse custom event
    Zero.Connect(this.Space, Events.ConfirmationPopUpResponse, this.OnConfirmationPopUpResponse);
  }
  
  // Response function called when ConfirmationPopUpResponse event is heard
  function OnConfirmationPopUpResponse(event : ConfirmationPopUpResponse)
  {
    // If the the response sent with the event is true...
    if(event.Response)
    {
      //Quit out of the game
      this.GameSession.Quit();
    }
    
    // If it's false, call the SetChildrenReactive function in the UIMenuManager component, 
    // passing in "true" to activate the reactive components on the menu buttons
    this.SourceMenu.Cog.UIMenuManager.SetChildrenReactive(true);
    
    // Disconnects from the ConfirmationPopUpResponse cusotm event
    Zero.Disconnect(this.Space, Events.ConfirmationPopUpResponse, this.Owner);
    
    //Destroys the space created for the confirmation window level
    this.ConSpace.Destroy();
  }
}