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

public class CreateRoleTimeLine
{
    public bool busying { get; private set; }

    Action onComplete;
    List<Node> nodes = new List<Node>();
    LogicUpdate update;

    public CreateRoleTimeLine()
    {
        update = new LogicUpdate();
        update.Start(OnUpdate);
    }

    public void AddNone(float time, Action task)
    {
        nodes.Add(new Node()
        {
            time = Time.time + time,
            task = task
        });
    }

    public void Begin()
    {
        busying = true;
    }

    public void Stop()
    {
        Reset();
        busying = false;
    }

    public void OnComplete(Action onComplete)
    {
        this.onComplete = onComplete;
    }

    public void ClearNode()
    {
        nodes.Clear();
    }

    public void Dispose()
    {
        ClearNode();
        if (update != null)
        {
            update.Destroy();
        }
    }

    private void Reset()
    {
        foreach (var node in nodes)
        {
            node.executed = false;
        }
    }

    private void OnUpdate()
    {
        var allExecuted = true;
        foreach (var node in nodes)
        {
            if (!node.executed)
            {
                if (Time.time >= node.time)
                {
                    node.Execute();
                }
            }
            else
            {
                allExecuted = false;
            }
        }

        if (allExecuted)
        {
            if (this.onComplete != null)
            {
                this.onComplete();
            }

            busying = false;
        }
    }

    public class Node
    {
        public bool executed;
        public float time;
        public Action task;

        public void Execute()
        {
            executed = true;
            if (task != null)
            {
                task();
            }
        }
    }


}