using UnityEngine;
using System.Collections.Generic;
using uc;

namespace uc
{
    public class Activity : ActivityBase
    {
        public Activity source;

        [SerializeField]
        float idleTime = 0.0f;

        public List<CanvasActivity> canvases = new List<CanvasActivity>();
        public bool isIdle
        {
            get
            {
                if (idleTime == 0.0f)
                    return false;
                float stamp = 0.0f;
                foreach (var canvas in canvases)
                    stamp = Mathf.Max(stamp, canvas.ActiveStamp);
                float dt = Time.time - stamp;
                return (dt > idleTime);
            }
        }

        protected override void OnEnter()
        {
            foreach (var canvas in canvases)
                canvas.Enter();
        }

        protected override void OnUpdate()
        {
            
        }

        protected override void OnLeave()
        {
            foreach (var canvas in canvases)
                canvas.Leave();
        }

        protected override void OnKilled()
        {
            if (gameObject != null)
                Destroy(gameObject);
        }
    }
}