using UnityEngine;
using UnityEditor;
using System.Collections.Generic;

//-----------------------------------------------------------------------------
// Copyright 2012-2016 RenderHeads Ltd.  All rights reserved.
//-----------------------------------------------------------------------------

[CustomEditor(typeof(AudioManager))]
public class AudioManagerEditor : Editor
{
    private AudioManager _manager;
    //private AudioSource[] _audios;
    private List<AudioSource> audioPool = new List<AudioSource>();
    private List<AudioSource> others = new List<AudioSource>();
    private List<AudioSource> effectAudio = new List<AudioSource>();
    
    private void UpdateMovies()
    {
        AudioSource[]  audios = (AudioSource[])FindObjectsOfType(typeof(AudioSource));
        audioPool.Clear();
        effectAudio.Clear();
        others.Clear();
        foreach (AudioSource audio in audios)
        {
            if(audio.transform.parent == AudioManager.Instance.effectAudioPool)
            {
            }
            else if(audio.transform.parent == AudioManager.Instance.audioPool)
            {
                audioPool.Add(audio);
            }
            else if (audio.transform.parent == AudioManager.Instance.effectAudio)
            {
                effectAudio.Add(audio);
            }
            else
            {
                others.Add(audio);
            }
        }
    }
    
    public override bool RequiresConstantRepaint()
    {
        return true;
    }
    private void DrawUI(List<AudioSource> audios, bool showLoop = true)
    {
        foreach (AudioSource audio in audios)
        {
            GUILayout.BeginHorizontal();
            {
                if (GUILayout.Button(audio.name))
                    Selection.activeObject = audio;
            }
            GUILayout.EndHorizontal();
            GUILayout.BeginHorizontal();
            {
                if (showLoop)
                    audio.loop = GUILayout.Toggle(audio.loop, "loop", GUILayout.ExpandWidth(false));
                if(audio!=null&& audio.clip!=null)
                    GUILayout.HorizontalSlider(audio.time, 0f, audio.clip.length, GUILayout.MinWidth(128f), GUILayout.ExpandWidth(true));
            }
            GUILayout.EndHorizontal();
        }
    }
    public override void OnInspectorGUI()
    {
        DrawDefaultInspector();
     
           
        _manager = (this.target) as AudioManager;
        UpdateMovies();
        GUI.color = Color.white;
        DrawUI(audioPool);
        GUI.color = Color.red;
        DrawUI(others);
        GUI.color = Color.grey;
        DrawUI(effectAudio);
        if (GUI.changed)
        {
            EditorUtility.SetDirty(_manager);
        }        
    }
}