// (c) Copyright HutongGames, LLC 2010-2013. All rights reserved.

using HutongGames.PlayMakerEditor;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEngine;

[CustomEditor(typeof(PlayMakerGUI))]
public class PlayMakerGUIInspector : Editor
{
	private PlayMakerGUI guiComponent;

    [PostProcessScene]
    public static void OnPostprocessScene()
    {
        // Make sure global setting is applied to all PlayMakerGUIs in build
        PlayMakerGUI.EnableStateLabels = EditorPrefs.GetBool(EditorPrefStrings.ShowStateLabelsInGameView);
        PlayMakerGUI.EnableStateLabelsInBuild = EditorPrefs.GetBool(EditorPrefStrings.ShowStateLabelsInBuild);
    }

    public void OnEnable()
	{
		guiComponent = (PlayMakerGUI) target;

		guiComponent.drawStateLabels = EditorPrefs.GetBool(EditorPrefStrings.ShowStateLabelsInGameView);
        guiComponent.enableStateLabelsInBuilds = EditorPrefs.GetBool(EditorPrefStrings.ShowStateLabelsInBuild);

		CheckForDuplicateComponents();
	}

	public override void OnInspectorGUI()
	{
#if UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2
        EditorGUIUtility.LookLikeInspector();
#else
        EditorGUIUtility.labelWidth = 210;
#endif
        GUILayout.Label(Strings.Label_NOTES, EditorStyles.boldLabel);
		GUILayout.Label(Strings.Hint_PlayMakerGUI_Notes);
		GUILayout.Label(Strings.Label_General, EditorStyles.boldLabel);

		EditorGUI.indentLevel = 1;

		guiComponent.enableGUILayout = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Enable_GUILayout,
		                                                               Strings.Tooltip_Enable_GUILayout),
																	   guiComponent.enableGUILayout);
		guiComponent.controlMouseCursor = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Control_Mouse_Cursor,
		                                                                  Strings.Tooltip_Control_Mouse_Cursor),
																		  guiComponent.controlMouseCursor);

		guiComponent.previewOnGUI = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Preview_GUI_Actions_While_Editing, Strings.Tooltip_Preview_GUI_Actions_While_Editing), guiComponent.previewOnGUI);

		EditorGUI.indentLevel = 0;
		GUILayout.Label(Strings.Label_Debugging, EditorStyles.boldLabel);
		EditorGUI.indentLevel = 1;

		var drawStateLabels = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Draw_Active_State_Labels, Strings.Tooltip_Draw_Active_State_Labels), guiComponent.drawStateLabels);
		if (drawStateLabels != guiComponent.drawStateLabels)
		{
			guiComponent.drawStateLabels = drawStateLabels;
		    FsmEditorSettings.ShowStateLabelsInGameView = drawStateLabels;
            FsmEditorSettings.SaveSettings();
		}

        GUI.enabled = guiComponent.drawStateLabels;
        //EditorGUI.indentLevel = 2;

        var enableStateLabelsInBuilds = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Enable_State_Labels_in_Builds, Strings.Tooltip_Show_State_Labels_in_Standalone_Builds), guiComponent.enableStateLabelsInBuilds);
        if (enableStateLabelsInBuilds != guiComponent.enableStateLabelsInBuilds)
        {
            guiComponent.enableStateLabelsInBuilds = enableStateLabelsInBuilds;
            FsmEditorSettings.ShowStateLabelsInBuild = enableStateLabelsInBuilds;
            FsmEditorSettings.SaveSettings();
        }
        
        guiComponent.GUITextureStateLabels = EditorGUILayout.Toggle(new GUIContent(Strings.Label_GUITexture_State_Labels, Strings.Tooltip_GUITexture_State_Labels), guiComponent.GUITextureStateLabels);
		guiComponent.GUITextStateLabels = EditorGUILayout.Toggle(new GUIContent(Strings.Label_GUIText_State_Labels, Strings.Tooltip_GUIText_State_Labels), guiComponent.GUITextStateLabels);

		GUI.enabled = true;
		//EditorGUI.indentLevel = 1;

		guiComponent.filterLabelsWithDistance = EditorGUILayout.Toggle(new GUIContent(Strings.Label_Filter_State_Labels_With_Distance, Strings.Tooltip_Filter_State_Labels_With_Distance), guiComponent.filterLabelsWithDistance);

		GUI.enabled = guiComponent.filterLabelsWithDistance;

		guiComponent.maxLabelDistance = EditorGUILayout.FloatField(new GUIContent(Strings.Label_Camera_Distance, Strings.Tooltip_Camera_Distance), guiComponent.maxLabelDistance);

        GUI.enabled = true;

        guiComponent.labelScale = EditorGUILayout.FloatField (new GUIContent (Strings.Label_State_Label_Scale, Strings.Tooltip_State_Label_Scale), guiComponent.labelScale);
	    if (guiComponent.labelScale < 0.1f) guiComponent.labelScale = 0.1f;
        if (guiComponent.labelScale > 10f) guiComponent.labelScale = 10f;

		if (GUI.changed)
		{
			CheckForDuplicateComponents();
		}
	}

    private void CheckForDuplicateComponents()
	{
		var components = Resources.FindObjectsOfTypeAll<PlayMakerGUI>();
	    if (components.Length <= 1) return;

        // Confirm if user wants to delete the extra PlayMakerGUI components

	    if (!EditorUtility.DisplayDialog(Strings.ProductName,
	        Strings.Error_Multiple_PlayMakerGUI_components, 
	        Strings.Yes, Strings.No))
	        return;

        // Delete extra PlayMakerGUIs

	    foreach (var component in components)
	    {
	        if (component == target) continue; // keep me!

	        // Delete the game object if it only has the PlayMakerGUI component?

	        if (component.gameObject.GetComponents(typeof(Component)).Length == 2) // every game object has a transform component
	        {
	            if (EditorUtility.DisplayDialog(Strings.ProductName, 
	                string.Format(Strings.Dialog_Delete_Extra_PlayMakerGUI_GameObject, component.gameObject.name), 
	                Strings.Yes, Strings.No))
	            {
                    // Delete the GameObject 
	                DestroyImmediate(component.gameObject);
	            }
	        }
	        else
	        {
                // Delete the component only, keep the GameObject it was on
	            DestroyImmediate(component);
	        }
	    }
	}

}