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

public class ClickToMove : MonoBehaviour
{
    private Camera cam;
    private NavMeshAgent agent;
    private Animator anim;

    public Vector3 CurrentVelocity;
    public float CurrentVelocityMagnitude;

    public bool leftPressed = false;
    public bool casting = false;

    // Start is called before the first frame update
    void Start()
    {
        agent = GetComponent<NavMeshAgent>();
        cam = Camera.main;
        anim = GetComponentInChildren<Animator>();

        InputHandler.instance.LeftMouseButtonPressed.AddListener(ToggleMouseState);
        InputHandler.instance.LeftMouseButtonReleased.AddListener(ToggleMouseState);
    }

    void Update()
    {
        if (leftPressed)
        {
            MoveToClickedPoint();
        }
        CurrentVelocity = agent.velocity;
        CurrentVelocityMagnitude = agent.velocity.magnitude;
        anim.SetFloat("VelocityMagnitude", CurrentVelocityMagnitude);
    }

    public void ToggleMouseState()
    {
        leftPressed = !leftPressed;
    }

    public void MoveToClickedPoint()
    {
        Ray ray = cam.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit, 100))
        {
            agent.SetDestination(hit.point);
        }
    }

    public void ForceStop()
    {
        agent.isStopped = true;
    }
    public void RestartAgentMovement()
    {
        agent.isStopped = false;
    }
}