using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using XNode;
using RPGCreationKit.BehaviourTree;
using RPGCreationKit.BehaviourTree.Data;
using RPGCreationKit.AI;

namespace RPGCreationKit.BehaviourTree
{
    public enum TreeTickRate
    {
        EveryFrame = 0,
        EveryXFrames = 1,
        EveryXSeconds_Realtime = 2,
        EveryXSeconds_GameTime = 3
    };

    [CreateAssetMenu(fileName = "New BehaviourTree", menuName = "RPG Creation Kit/BehaviourTrees/New BehaviourTree", order = 1)]
    [System.Serializable]
    public class RPGCK_BT : NodeGraph
    {
        public string ID;
        public bool IsCombatBehaviour = false;

        public bool isSpecificBehaviourTree = false;
        public bool resetVariablesUponStartResume = false;

        public GameObject owner;
        public RckAI ai;

        [SerializeField] public List<BTVariable> graphVariables = new List<BTVariable>();

        [Space(10)]

        [TextArea(30, 30)]
        public string Description;

        public RPGCK_BT RPGCK_BTCopy(GameObject _owner, RckAI _ai)
        {
            ai = _ai;
            owner = _owner;

            // Instantiate a new nodegraph instance
            RPGCK_BT graph = Instantiate(this);
            // Instantiate all nodes inside the graph
            for (int i = 0; i < nodes.Count; i++)
            {
                if (nodes[i] == null) continue;
                Node.graphHotfix = graph;
                Node node = Instantiate(nodes[i]) as Node;
                node.graph = graph;
                graph.nodes[i] = node;
            }

            // Redirect all connections
            for (int i = 0; i < graph.nodes.Count; i++)
            {
                if (graph.nodes[i] == null) continue;
                foreach (NodePort port in graph.nodes[i].Ports)
                {
                    port.Redirect(nodes, graph.nodes);
                }
            }

            // Copy graphVariables as well
            for(int i = 0; i < graphVariables.Count; i++)
            {
                if (graphVariables[i] == null) continue;
                BTVariable variable = Instantiate(graphVariables[i] as BTVariable);

                // Ensure that the name of the copied variables are the same as the original one (remove (Clone))
                variable.name = graphVariables[i].name;
                graph.graphVariables[i] = variable;
            }

            return graph;
        }

        [ContextMenu("Reorder")]
        public void ReorderTree()
        {
            for(int i = 0; i < nodes.Count; i++)
            {
                if(nodes[i] != null && nodes[i] is BTNode)
                    ((BTNode)nodes[i]).ReorderChild();
            }
        }

        public void ResetVariables()
        {
            for(int i = 0; i < graphVariables.Count; i++)
            {
                graphVariables[i].SetDefaultValue();
            }
        }

        [ContextMenu("Debug InstanceID")]
        public void DebugInstanceID()
        {
            Debug.Log(this.GetInstanceID());
        }
    }
}