using UnityEngine;
using UnityEngine.InputSystem;

public class dichuyen : MonoBehaviour
{
    // Variables related to player character movement
    public InputAction MoveAction;
    Rigidbody2D rigidbody2d;
    Vector2 move;
    public float speed = 3.0f;

    // Variables related to the health system
    public int maumax = 5;
    public int health { get { return mauhientai; } }
    int mauhientai;

    // Variables related to temporary invincibility
    public float timeInvincible = 2.0f;
    bool isInvincible;
    float damageCooldown;

    // Start is called once before the first execution of Update after the MonoBehaviour is created
    //Animation

    Animator animator;
    Vector2 moveDirection = new Vector2(1, 0);
    void Start()
    {
        MoveAction.Enable();
        rigidbody2d = GetComponent<Rigidbody2D>();
        animator = GetComponent<Animator>();
        mauhientai = maumax;
    }

    // Update is called once per frame
    void Update()
    {
        move = MoveAction.ReadValue<Vector2>();

        if (!Mathf.Approximately(move.x, 0.0f) || !Mathf.Approximately(move.y, 0.0f))
        {
            moveDirection.Set(move.x, move.y);
            moveDirection.Normalize();
        }
        animator.SetFloat("Look X", moveDirection.x);
        animator.SetFloat("Look Y", moveDirection.y);
        animator.SetFloat("Speed", move.magnitude);
        //Debug.Log(move);
        if (isInvincible)
        {
            damageCooldown -= Time.deltaTime;
            if (damageCooldown < 0)
            {
                isInvincible = false;
            }
        }

        
    }

    // FixedUpdate has the same call rate as the physics system
    void FixedUpdate()
    {
        Vector2 position = (Vector2)rigidbody2d.position + move * speed * Time.deltaTime;
        rigidbody2d.MovePosition(position);
    }

    public void thaydoimau(int amount)
    {
        if (amount < 0)
        {
            if (isInvincible)
            {
                return;
            }
            isInvincible = true;
            damageCooldown = timeInvincible;
            animator.SetTrigger("Hit");
        }

        mauhientai = Mathf.Clamp(mauhientai + amount, 0, maumax);
        Debug.Log(mauhientai + "/" + maumax);
        
    }
}