using System.Collections.Generic;
using UnityEngine;
using XNode;
using Sirenix.OdinInspector;
using System.Text;

namespace ChivaVR.State
{
    [CreateAssetMenu(fileName = "StateGraph", menuName = "ChivaVR/Process/StateGraph")]
    public class StateGraph : NodeGraph
    {
        public EnterStateNode enter;
        public ExitStateNode exit;

        public delegate void StateEvent(StateGraph stateGraph);

        public StateEvent OnStateEnter;
        public StateEvent OnStateExit;

        /// <summary>
        /// 记分池
        /// </summary>
        private List<RunStateNode>  noFinishedRunStateNodes;

        /// <summary>
        /// 提示池
        /// </summary>
        private List<RunStateNode> promptingNodesPool;

        [Button("更新RunStateNode")]
        public void UpdataRunStateNodeProcedureDescription()
        {
            foreach (var item in nodes)
            {
                RunStateNode tmpRunStateNode = item as RunStateNode;

                if(tmpRunStateNode)
                {
                    tmpRunStateNode.UpdataCurrentProcedureDescription();
                }
            }
        }

        public void EnterStateGraph()
        {
            noFinishedRunStateNodes = new List<RunStateNode>();
            promptingNodesPool = new List<RunStateNode>();
            enter.OnEnter();

            OnStateEnter?.Invoke(this);
        }

        public void ExitStateGraph()
        {
            Debug.Log("ExitStateGraph" + OnStateExit.Target);
            if (OnStateExit != null)
            {
                Debug.Log(OnStateExit.Target);
            }
            OnStateExit?.Invoke(this);
        }

        public void InitState()
        {
            for (int i = 0; i < nodes.Count; i++)
            {
                StateNode node = nodes[i] as StateNode;
                if (node != null)
                {   
                    node.InitState();
                }
            }

            StateNode tmpNode = nodes[0] as StateNode;
            tmpNode.OnEnter();
        }
      
        /// <summary>
        /// 获取未完成状态描述
        /// </summary>
        /// <returns></returns>
        public string GetUnFinishedDescription()
        {
            StringBuilder stringBuilder = new StringBuilder();
            bool allFinished = true;

            //得分
            int score = 0;
            //总分
            int totalScore = 0;
            for (int i = 0; i < nodes.Count; i++)
            {
                RunStateNode stateNode = nodes[i] as RunStateNode;

                if (stateNode != null)
                {
                    if (!stateNode.IsFinished)
                    {
                        stringBuilder.AppendLine("未完成:" + stateNode.CurrentProcedure.processBase.GetPBDescribe() + "   -" + stateNode.score);
                        allFinished = false;
                    }
                    else
                    {
                        score += stateNode.score;
                    }
                    totalScore += stateNode.score;
                }
            }

            if (allFinished)
            {
                stringBuilder.AppendLine("完成所有操作");
            }

            stringBuilder.AppendLine("总分：" + totalScore+"  得分:"+score);

            return stringBuilder.ToString();
        }

        /// <summary>
        /// 获取未完成步骤Step列表
        /// </summary>
        /// <returns></returns>
        public List<int> GetUnFinishedStepID()
        {
            List<int> unFinishedStepList = new List<int>();
            for (int i = 0; i < nodes.Count; i++)
            {
                RunStateNode stateNode = nodes[i] as RunStateNode;

                if (stateNode != null && !stateNode.IsFinished)
                {
                    unFinishedStepList.Add(stateNode.currentProcedureStepID);
                }
            }

            return unFinishedStepList;
        }

        public static void CreateStateGraph()
        {
			#if UNITY_EDITOR
			//ScriptableObjectCreator.ShowDialog<StateGraph>("Assets/ChivaVR/Framework/1.LineProcess/Graph", obj =>
			//{
			//});
			#endif
		}

		/// <summary>
		/// 进入子节点
		/// </summary>
		public void OnNodeEnterState(RunStateNode node)
        {   
            if (!promptingNodesPool.Contains(node)) promptingNodesPool.Add(node);
            
            List<RunStateNode> tmpNodes = node.GetEnterPortNoFinishedNode();

            tmpNodes.ForEach(tmpnode => 
            {
                if (!noFinishedRunStateNodes.Contains(tmpnode))
                {
                    tmpnode.IsTiShi = true;
                    
                    noFinishedRunStateNodes.Add(tmpnode);
                    if (promptingNodesPool.Contains(tmpnode)) promptingNodesPool.Remove(tmpnode);    
                } 
            }); 
        }

        /// <summary>
        /// 退出子节点
        /// </summary>
        public void OnNodeExitState(RunStateNode node)
        {
            noFinishedRunStateNodes.Remove(node);
            promptingNodesPool.Remove(node);
        }

        RunStateNode stateNode = null;

        /// <summary>
        /// 打开提示
        /// </summary>
        public void OpenHighliter()
        {
            RunStateNode tmpStateNode = null;

            promptingNodesPool.ForEach(node => 
            {
                if (tmpStateNode == null) tmpStateNode = node;
                if (tmpStateNode.currentProcedureStepID > node.currentProcedureStepID)
                {
                    tmpStateNode = node;
                }
            });

            if (tmpStateNode != null && tmpStateNode != stateNode)
            {
                stateNode = tmpStateNode;
            } 
           
        }

        private int GetTotalScores()
        {
            int totleScorce = 0;

            for (int i = 0; i < nodes.Count; i++)
            {
                RunStateNode node = nodes[i] as RunStateNode;
                totleScorce += node.score;
            }

            return totleScorce;
        }

    }

    [System.Serializable]
    public class StateGraphBase
    {
        public string description;
        [LabelText("流程图初始化步骤")]
        public int startInitStep;
        public StateGraph stateGraph;
    }

}