using System;
using System.Collections;
using UMotionEditor.API;
using UnityEditor;
using UnityEngine;

[InitializeOnLoad]
public class UMotionQuickOpenEditor : Editor
{
#if UNITY_EDITOR   

    public static ScriptableObject uProject;
    public static GameObject character;
    public static GUIStyle style;

    static UMotionQuickOpenEditor()
    {
#if UNITY_2018
                SceneView.onSceneGUIDelegate -= OnScene;
                SceneView.onSceneGUIDelegate += OnScene;
#elif UNITY_2019_1_OR_NEWER
        SceneView.duringSceneGui -= OnScene;
        SceneView.duringSceneGui += OnScene;

#endif
    }

    public static void OnScene(SceneView sceneView)
    {
        Handles.BeginGUI();

        float width = 260;
        float height = 90;
        var rect = new Rect(Screen.width - width - 10f, Screen.height - height * 1.5f, width, height);

        bool validation = Validation();

        if (validation)
        {
            if (style == null)
            {
                style = new GUIStyle(EditorStyles.whiteLabel);
                style.fontSize = 12;
                style.alignment = TextAnchor.UpperCenter;
                style.fontStyle = FontStyle.Bold;
                style.wordWrap = true;
            }

            GUILayout.BeginArea(rect);
            GUILayout.BeginVertical("window");

            GUILayout.Space(-14);
            GUILayout.Label("uMotion QuickOpen Extension", style);

            GUILayout.BeginHorizontal();
            GUILayout.Label("uProject", GUILayout.Width(width * 0.25f));
            GUILayout.FlexibleSpace();
            uProject = EditorGUILayout.ObjectField(GUIContent.none, uProject, typeof(ScriptableObject), true, GUILayout.Width(width * 0.7f)) as ScriptableObject;
            GUILayout.EndHorizontal();

            GUILayout.BeginHorizontal();
            GUILayout.Label("Character", GUILayout.Width(width * 0.25f));
            GUILayout.FlexibleSpace();
            character = EditorGUILayout.ObjectField(GUIContent.none, character, typeof(GameObject), true, GUILayout.Width(width * 0.7f)) as GameObject;
            GUILayout.EndHorizontal();

            GUILayout.FlexibleSpace();

            GUILayout.Space(4);
            if (GUILayout.Button("Quick Open", EditorStyles.miniButton))
            {
                OpenMyUMotionInstance();
            }

            GUILayout.EndVertical();
            GUILayout.EndArea();
        }

        Handles.EndGUI();
    }

    private static bool Validation()
    {
        return ClipEditor.IsWindowOpened && !ClipEditor.IsProjectLoaded;
    }

    private static void OpenMyUMotionInstance()
    {
        ClipEditor.OpenWindow();
        ClipEditor.LoadProject(AssetDatabase.GetAssetPath(uProject));
        if (ClipEditor.IsProjectLoaded)
        {
            PoseEditor.SetAnimatedGameObject(character);
        }
    }

#endif
}