using System;

using UnityEngine;
using UnityEditor;

namespace Framework.Dialogue {

  /// <summary>
  ///   Assists the user in editing ground definitions for the navigation system
  /// </summary>
  [CustomEditor(typeof(DialogueCanvas), true)]
  public class DialogueCanvasEditor : Editor {

    /// <summary>Called when Unity wants to layout or draw the inspector</summary>
    public override void OnInspectorGUI() {
      base.OnInspectorGUI();

      if(Application.isPlaying) {
        if(GUILayout.Button("Show Test Dialogue")) {
          ShowTestDialogue();
        }
        if(GUILayout.Button("Hide Dialogue")) {
          HideTestDialogue();
        }
      }
    }

    /// <summary>Displays some dialogue for testing</summary>
    public void ShowTestDialogue() {
      var dialogueCanvas = target as IDialogueCanvas;
      if(dialogueCanvas != null) {
        dialogueCanvas.ShowSpeechAndChoices(
          "A wild dialogue canvas appears",
          new string[] {
            "I am impressed!",
            "I can't find my canvas.",
            "(Shove the canvas out of the way)"
          }
        );
      }
    }

    /// <summary>Hides the currently active dialogue</summary>
    public void HideTestDialogue() {
      var dialogueCanvas = target as IDialogueCanvas;
      if(dialogueCanvas != null) {
        dialogueCanvas.Hide();
      }
    }

  }

} // namespace Framework.Dialogue