using Cysharp.Threading.Tasks;

namespace Stary.Evo.StoryEditor
{
    public class NodePlayer
    {
        /// <summary>
        /// 节点名称
        /// </summary>
        protected string Name;
        /// <summary>
        /// 图表
        /// </summary>
        protected GraphPlayer Graph;
        /// <summary>
        /// 数据
        /// </summary>
        protected NodeData Data;
        
        /// <summary>
        /// 初始化标志
        /// </summary>
        protected bool Initialized;

        public NodePlayer(GraphPlayer graph, NodeData data)
        {
            Graph = graph;
            Name = data.name;
            Data = data;
        }

        /// <summary>
        /// 连接节点
        /// </summary>
        public virtual bool Connect()
        {
            if(Initialized)
                return false;
            Initialized = true;
            return true;
        }

        /// <summary>
        /// 初始化
        /// </summary>
        public virtual void Init() => Graph.CurrentNodes.Add(this);

        /// <summary>
        /// 开始执行
        /// </summary>
        public virtual UniTask Execute()
        {
            Graph.CurrentNodes.Remove(this);
            return UniTask.CompletedTask;
        }
        /// <summary>
        /// 向下继续执行
        /// </summary>
        public virtual UniTask MoveNext() => UniTask.CompletedTask;
        /// <summary>
        /// 停止执行
        /// </summary>
        public virtual UniTask Stop() => UniTask.CompletedTask;
    }
}