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

using HutongGames.PlayMakerEditor;
using UnityEditor;
using UnityEngine;

// You can't open an EditorWindow class in a C# Dll (as far as I can tell)
// So we use a wrapper script to create the window and hook the editor up
// TODO: move this to dll when Unity supports it...

[System.Serializable]
class FsmEditorWindow : BaseEditorWindow
{
    /// <summary>
    /// Open the Fsm Editor and optionally show the Welcome Screen
    /// </summary>
    public static void OpenWindow()
    {
        GetWindow<FsmEditorWindow>();

        if (EditorPrefs.GetBool(EditorPrefStrings.ShowWelcomeScreen, true))
        {
            GetWindow<PlayMakerWelcomeWindow>(true);
        }
    }

    /// <summary>
    /// Open the Fsm Editor and select an Fsm Component
    /// </summary>
    public static void OpenWindow(PlayMakerFSM fsmComponent)
    {
        OpenWindow();

        FsmEditor.SelectFsm(fsmComponent.Fsm);
    }

    /// <summary>
    /// Open the Fsm Editor and select an Fsm Component
    /// </summary>
    public static void OpenWindow(FsmTemplate fsmTemplate)
    {
        OpenWindow();

        FsmEditor.SelectFsm(fsmTemplate.fsm);
    }

    /// <summary>
    /// Is the Fsm Editor open?
    /// </summary>
    public static bool IsOpen()
    {
        return instance != null;
    }

	private static FsmEditorWindow instance;

	[SerializeField]
	private FsmEditor fsmEditor;
	
	// tool windows (can't open them inside dll)

	[SerializeField] private FsmSelectorWindow fsmSelectorWindow;    
    [SerializeField] private FsmTemplateWindow fsmTemplateWindow;
    [SerializeField] private FsmStateWindow stateSelectorWindow;
    [SerializeField] private FsmActionWindow actionWindow;
    [SerializeField] private FsmErrorWindow errorWindow;
    [SerializeField] private FsmLogWindow logWindow;
    [SerializeField] private ContextToolWindow toolWindow;
    [SerializeField] private GlobalEventsWindow globalEventsWindow;
    [SerializeField] private GlobalVariablesWindow globalVariablesWindow;
    [SerializeField] private ReportWindow reportWindow;
    [SerializeField] private AboutWindow aboutWindow;

	// ReSharper disable UnusedMember.Local

    /// <summary>
    /// Delay initialization until first OnGUI to avoid interfering with runtime system intialization.
    /// </summary>
    public override void Initialize()
    {
        instance = this;

        if (fsmEditor == null)
        {
            fsmEditor = new FsmEditor();
        }

        fsmEditor.InitWindow(this);
        fsmEditor.OnEnable();
    }

    public override void DoGUI()
	{
		fsmEditor.OnGUI();

        /* Debug Repaint events
        if (Event.current.type == EventType.repaint)
        {
            Debug.Log("Repaint");
        }*/
		
		if (Event.current.type == EventType.ValidateCommand)
    	{
            switch (Event.current.commandName)
			{
				case "UndoRedoPerformed":
                case "Copy":
                case "Paste":
                case "SelectAll":
					Event.current.Use();
					break;
			}
    	}
		
		if (Event.current.type == EventType.ExecuteCommand)
		{			
			switch (Event.current.commandName)
			{
				case "UndoRedoPerformed":
					FsmEditor.UndoRedoPerformed();
					break;
				
				case "Copy":
					FsmEditor.Copy();
					break;
					
				case "Paste":
					FsmEditor.Paste();
					break;
				
				case "SelectAll":
					FsmEditor.SelectAll();
					break;

				case "OpenWelcomeWindow":
					GetWindow<PlayMakerWelcomeWindow>();
					break;

				case "OpenToolWindow":
					toolWindow = GetWindow<ContextToolWindow>();
					break;
				
				case "OpenFsmSelectorWindow":
					fsmSelectorWindow = GetWindow<FsmSelectorWindow>();
					fsmSelectorWindow.ShowUtility();
					break;
				
				case "OpenFsmTemplateWindow":
					fsmTemplateWindow = GetWindow<FsmTemplateWindow>();
					break;
				
				case "OpenStateSelectorWindow":
					stateSelectorWindow = GetWindow<FsmStateWindow>();
					break;
				
				case "OpenActionWindow":
					actionWindow = GetWindow<FsmActionWindow>();
					break;
				
				case "OpenGlobalEventsWindow":
					globalEventsWindow = GetWindow<FsmEventsWindow>();
					break;

				case "OpenGlobalVariablesWindow":
					globalVariablesWindow = GetWindow<FsmGlobalsWindow>();
					break;

				case "OpenErrorWindow":
					errorWindow = GetWindow<FsmErrorWindow>();
					break;
				
				case "OpenFsmLogWindow":
					logWindow = GetWindow<FsmLogWindow>();
					break;
				
				case "OpenAboutWindow":
					aboutWindow = GetWindow<AboutWindow>();
					break;
				
				case "OpenReportWindow":
					reportWindow = GetWindow<ReportWindow>();
					break;
				
				case "AddFsmComponent":
					PlayMakerMainMenu.AddFsmToSelected();
					break;
				
				case "RepaintAll":
					RepaintAllWindows();
					break;

                case "ChangeLanguage":
                    ResetWindowTitles();
			        break;
			}
	
			GUIUtility.ExitGUI();
		}	
	}

    // called when you change editor language
    public void ResetWindowTitles()
    {
        if (toolWindow != null)
        {
            toolWindow.InitWindowTitle();
        }

        if (fsmSelectorWindow != null)
        {
            fsmSelectorWindow.InitWindowTitle();
        }

        if (stateSelectorWindow != null)
        {
            stateSelectorWindow.InitWindowTitle();
        }

        if (actionWindow != null)
        {
            actionWindow.InitWindowTitle();
        }

        if (globalEventsWindow != null)
        {
            globalEventsWindow.InitWindowTitle();
        }

        if (globalVariablesWindow != null)
        {
            globalVariablesWindow.InitWindowTitle();
        }

        if (errorWindow != null)
        {
            errorWindow.InitWindowTitle();
        }

        if (logWindow != null)
        {
            logWindow.InitWindowTitle();
        }

        if (reportWindow != null)
        {
            reportWindow.InitWindowTitle();
        }

        if (fsmTemplateWindow != null)
        {
            fsmTemplateWindow.InitWindowTitle();
        }
    }

	public void RepaintAllWindows()
	{
		if (toolWindow != null)
		{
			toolWindow.Repaint();
		}
		
		if (fsmSelectorWindow != null)
		{
			fsmSelectorWindow.Repaint();
		}
		
		if (stateSelectorWindow != null)
		{
			stateSelectorWindow.Repaint();
		}

		if (actionWindow != null)
		{
			actionWindow.Repaint();
		}

		if (globalEventsWindow != null)
		{
			globalEventsWindow.Repaint();
		}

		if (globalVariablesWindow != null)
		{
			globalVariablesWindow.Repaint();
		}

		if (errorWindow != null)
		{
			errorWindow.Repaint();
		}
	
		if (logWindow != null)
		{
			logWindow.Repaint();
		}

		if (reportWindow != null)
		{
			reportWindow.Repaint();
		}

        if (fsmTemplateWindow != null)
        {
            fsmTemplateWindow.Repaint();
        }

		Repaint();
	}

    private void Update()
	{
        if (fsmEditor != null)
        {
            fsmEditor.Update();
        }
	}

    private void OnInspectorUpdate()
	{
        if (fsmEditor != null)
        {
            fsmEditor.OnInspectorUpdate();
        }
	}

    private void OnFocus()
	{
        if (fsmEditor != null)
        {
            fsmEditor.OnFocus();
        }
	}

    private void OnSelectionChange()
	{
        if (fsmEditor != null)
        {
            fsmEditor.OnSelectionChange();
        }
	}

    private void OnHierarchyChange()
	{
        if (fsmEditor != null)
        {
            fsmEditor.OnHierarchyChange();
        }
	}

    private void OnProjectChange()
	{
		if (fsmEditor != null)
		{
			fsmEditor.OnProjectChange();
		}
	}

    private void OnDisable()
	{
		if (fsmEditor != null)
		{
			fsmEditor.OnDisable();
		}

		instance = null;
	}

	private void OnDestroy()
	{
		if (toolWindow != null)
		{
			toolWindow.SafeClose();
		}
		
		if (fsmSelectorWindow != null)
		{
			fsmSelectorWindow.SafeClose();
		}
		
		if (fsmTemplateWindow != null)
		{
			fsmTemplateWindow.SafeClose();
		}

		if (stateSelectorWindow != null)
		{
			stateSelectorWindow.SafeClose();
		}

		if (actionWindow != null)
		{
			actionWindow.SafeClose();
		}

		if (globalVariablesWindow != null)
		{
			globalVariablesWindow.SafeClose();
		}

		if (globalEventsWindow != null)
		{
			globalEventsWindow.SafeClose();
		}
		
		if (errorWindow != null)
		{
			errorWindow.SafeClose();
		}

		if (logWindow != null)
		{
			logWindow.SafeClose();
		}

		if (reportWindow != null)
		{
			reportWindow.SafeClose();
		}

		if (aboutWindow != null)
		{
			aboutWindow.SafeClose();
		}

	    if (fsmEditor != null)
	    {
	        fsmEditor.OnDestroy();
	    }
	}

	// ReSharper restore UnusedMember.Local
}

