using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using KairoEngine.Core;
using KairoEngine.Core.GameActions;
using KairoEngine.UI.Tooltips;
using KairoEngine.GameTools.Selectables;
using KairoEngine.SFX;

namespace KairoEngine.Grids
{
    public class PlacedObject : MonoBehaviour, ISelectableObject
    {
        public PlacedObjectType placedObjectType { get; private set;}
        public Vector2Int origin { get; private set;}
        public PlacedObjectType.Dir dir { get; private set;}
        public float destroyDelay = 3000f;
        public bool destructable = true;

        [SerializeField] private List<GameActionsController> actionsControllerList;
        [SerializeField] private GameActionContext context;

        public static PlacedObject Create(Vector3 worldPosition, Vector2Int origin, PlacedObjectType.Dir dir, 
            PlacedObjectType placedObjectType, bool playCreatedSound = true)
        {
            Quaternion quaternion = Quaternion.Euler(0, placedObjectType.GetRotationAngle(dir), 0);
            Transform placedObjectTransform = Instantiate(placedObjectType.prefab, worldPosition, quaternion);
            PlacedObject placedObject = placedObjectTransform.GetComponent<PlacedObject>();
            placedObject.placedObjectType = placedObjectType;
            placedObject.origin = origin;
            placedObject.dir = dir;
            placedObject.actionsControllerList = new List<GameActionsController>();
            placedObject.actionsControllerList.Add(placedObjectType.onCreateController.Duplicate());
            placedObject.actionsControllerList.Add(placedObjectType.onUpdateController.Duplicate());
            placedObject.actionsControllerList.Add(placedObjectType.onRemoveController.Duplicate());
            for (int i = 0; i < placedObjectType.objectActions.Count; i++)
            {
                placedObject.actionsControllerList.Add( placedObjectType.objectActions[i].actions.Duplicate());
            }
            placedObject.context = placedObjectType.context.Duplicate();
            foreach (var ctrl in placedObject.actionsControllerList) ctrl.context = placedObject.context;
            // Set Game Action Variables
            var targetVar = placedObject.context.GetVariable("Building GameObject");
            if(targetVar == null)
            {
                targetVar = new GameActionContextGameObject();
                targetVar.name = "Building GameObject";
                targetVar.canEdit = false;
                placedObject.context.variables.Add(targetVar);
            }
            ((GameActionContextGameObject)targetVar).value = placedObject.gameObject;
            placedObject.actionsControllerList[0].Start(); // Run the OnAdd actions
            if(playCreatedSound)
            {
                SoundController.EmmitSound(placedObjectType.createdSound, placedObject.transform.position);
            }
            return placedObject;
        }

        private void Start()
        {
            TooltipTrigger tooltipTrigger = gameObject.GetComponent<TooltipTrigger>();
            if(tooltipTrigger == null) tooltipTrigger = gameObject.GetComponentInChildren<TooltipTrigger>();
            if(tooltipTrigger != null)
            {
                tooltipTrigger.header = placedObjectType.title;
                tooltipTrigger.content = placedObjectType.description;
            }
            var selectableTrigger = gameObject.GetComponentInChildren<SelectableObjectTrigger>();
            if(selectableTrigger != null) selectableTrigger.selectableObject = this;
            else Debug.LogError("No SelectableObjectTrigger found on placed object hierarchy", gameObject);
        }

        private void Update()
        {
            actionsControllerList[1].Start();
        }

        private void OnDestroy()
        {
            
        }

        public List<Vector2Int> GetGridPositionList()
        {
            return placedObjectType.GetGridPositionList(origin, dir);
        }

        public List<SelectableObjectAction> actions => placedObjectType.objectActions;

        public void ExecuteAction(SelectableObjectAction action)
        {
            for (int i = 0; i < placedObjectType.objectActions.Count; i++)
            {
                if(action == placedObjectType.objectActions[i])
                {
                    if(actionsControllerList[3 + i] != null) 
                    {
                        if(actionsControllerList[3 + i].started) actionsControllerList[3 + i].Restart();
                        actionsControllerList[3 + i].Start();
                    }
                    else Debug.LogError($"Could not find GameActionController for \"{action.title} in {gameObject.name} PlacedObject", this.gameObject);
                }
            }
        }

        public void DestroySelf()
        {
            actionsControllerList[2].Start();
            Timer.Execute(destroyDelay, () => {
                Destroy(gameObject);
            }); 
        }

        public bool HasConnection(string connector, int x, int y)
        {
            for (int i = 0; i < placedObjectType.connectors.Count; i++)
            {
                Vector2Int pos = origin;
                pos = pos + placedObjectType.GetConnectorPositionOffset(i, dir);
                //Debug.Log($"{placedObjectType.connectors[i].position} - {placedObjectType.GetConnectorPositionOffset(i, dir)}");
                Vector2Int targetPos = pos + placedObjectType.GetConnectorTargetPositionOffset(i, dir);
                //Debug.Log($"Checking connector  {pos} -->{targetPos}  | {placedObjectType.connectors[i].dir.ToString()}");
                if(targetPos.x == x && targetPos.y == y && connector == placedObjectType.connectors[i].title) return true;
                
            }
            return false;
        }

        
    }
}