using System.Collections.Generic;
using UnityEngine;

namespace Superlazy.UI
{
    public class SLUIEventList : SLUIList
    {
        public float duration = 999.9f;

        private string path = null;
        private string instanceID = null;
        private int index;

        public override string BindPath
        {
            get
            {
                if (path == null)
                {
                    path = "UI." + GetInstanceID();
                }

                return path;
            }
        }

        private SLEntity Session
        {
            get
            {
                if (instanceID == null) instanceID = GetInstanceID().ToString();

                return SLGame.Session["UI"][instanceID];
            }
        }

        protected override bool CheckAddKey(SLEntity session, string key)
        {
            if (SLGame.Session["UIAdd"][instanceID][key])
            {
                return false;
            }
            return true;
        }

        protected override void OnAddKey(SLEntity session, string key)
        {
            var eventKey = index.ToString();
            Session[eventKey] = session[key].Link();
            Session[eventKey]["Duration"] = duration;
            SLGame.Session["UIAdd"][instanceID][key] = true;
            AddEntity(eventKey);
            index += 1;
        }

        protected override bool CheckRemoveKey(SLEntity session, string key)
        {
            return false;
        }

        private void Update()
        {
            var removeKeys = new List<string>();
            foreach (var item in Session)
            {
                item["Duration"] -= Time.deltaTime;
                if (item["Duration"] <= 0)
                {
                    RemoveEntity(item.ID);
                    removeKeys.Add(item.ID);
                }
            }

            foreach (var key in removeKeys)
            {
                Session[key] = false;
            }
        }

        protected override void Enable()
        {
            base.Enable();
        }

        protected override void Disable()
        {
            foreach (var item in Session)
            {
                RemoveEntity(item.ID);
            }

            SLGame.Session["UI"][instanceID] = false;

            base.Disable();
        }

        public static void Clear()
        {
            SLGame.Session["UIAdd"] = false;
        }
    }
}