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

[CreateAssetMenu(menuName = "Finite State Machine/Action/Combat/Ranged/GoToCoverLocation")]
public class GoToLocationCoverAction : Action
{
    public override void Execute(FSM fsm)
    {
        GameObject target = fsm.Controller.AgentFOV.GetTarget();

        Debug.Log($"Execute action: {nameof(GoToLocationCoverAction)}");

        if (fsm.CurrentState() is RangedCombatState)
        {
            RangedCombatState state = (RangedCombatState)fsm.CurrentState();

            if (state.coverObject != null)
            {
                Debug.Log($"Go to cover location: {state.coverObject}");

                //Calculate the closest point of the cover spot closer to the NPC
                Vector3 closestPointOnCover = state.coverObject.GetComponent<Collider>().ClosestPoint(fsm.transform.position);

                //Check the direction from the cover to the target
                Vector3 coverToPlayerDir = (target.transform.position - closestPointOnCover).normalized;

                //Check the direction from the cover to the NPC
                Vector3 coverToNPCDir = (fsm.transform.position - closestPointOnCover).normalized;

                //Calculate final target position behind cover
                float dotProduct = Vector3.Dot(coverToPlayerDir, coverToNPCDir);

                //Calculate the final cover position
                Vector3 finalCoverPosition = closestPointOnCover;

                if (dotProduct > 0)
                {
                    //Calculate the normal of the cover(using the normal of the closest point on the collider)
                    RaycastHit hit;

                    if (Physics.Raycast(closestPointOnCover + Vector3.up, -coverToPlayerDir, out hit))
                    {
                        finalCoverPosition = hit.point;
                    }
                }

                //Set Agent cover destionation
                fsm.Controller.Agent.SetDestination(finalCoverPosition);
            }

            else
            {
                Debug.LogError($"There is no Cover Location!");
            }
        }
    }


}