using System;
using System.Collections.Generic;
using System.Xml.Linq;
using UnityEngine;
using XMLTool;

namespace QFramework
{
    internal class LoadResAction : IAction
    {


        public System.Action OnFinished { get; set; }


        private LoadResAction()
        {
        }

        private static readonly SimpleObjectPool<LoadResAction> mPool =
            new SimpleObjectPool<LoadResAction>(() => new LoadResAction(), null, 10);

        string fileName;
        string type;
        string index;
        public static LoadResAction Allocate(string fileName, Dictionary<string, string> datas, System.Action OnFinished = null)
        {
            var retNode = mPool.Allocate();
            retNode.ActionID = ActionKit.ID_GENERATOR++;
            retNode.Deinited = false;
            retNode.Reset();
            retNode.fileName = fileName;
            retNode.type = datas.ContainsKey("resType") ? datas["resType"] : string.Empty;
            retNode.index = datas.ContainsKey("index") ? datas["index"] : string.Empty;
            retNode.OnFinished = OnFinished;
            return retNode;
        }


        public ulong ActionID { get; set; }
        public ActionStatus Status { get; set; }

        public void OnStart()
        {
            ResLoader resLoader = ResLoader.Allocate();
            string path = Global.xmlPath + fileName;
            switch (type)
            {
                case "xml":
                    resLoader.Add2Load(path.ToLocalTextResName(), (success, res) =>
                    {
                        if (success)
                        {
                            string xmlStr = res.As<LocalTextRes>().text;
                            if (string.IsNullOrEmpty(xmlStr) == false)
                            {
                                // 加载XML
                                XDocument doc = XDocument.Parse(xmlStr);
                                // 获取根元素
                                XElement moduleXml = doc.Root;
                                if (string.IsNullOrEmpty(index))
                                {
                                    // 无序加载
                                    XmlParser.LoadModule(moduleXml, Global.Instance.appData);
                                }
                                else
                                {
                                    Global.moduleDict.Add(index, moduleXml);
                                }
                            }
                        }
                    });
                    break;
            }

            resLoader.LoadAsync(() =>
            {
                resLoader.Recycle2Cache();
                this.Finish();
            });
        }

        public void OnExecute(float dt)
        {
        }

        public void OnFinish()
        {
        }

        public void Reset()
        {
            Status = ActionStatus.NotStart;
            Paused = false;
        }

        public bool Paused { get; set; }

        public void Deinit()
        {
            if (!Deinited)
            {
                OnFinished = null;
                Deinited = true;
                mPool.Recycle(this);
            }
        }

        public bool Deinited { get; set; }
    }


}