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

public class PlayerController : MonoBehaviour
{
    public float MoveSpeed = 1;
    public float KillingHeight = -10;
    public uint MaxPlayerLives = 3;
    //UI
    public Text PlayerLivesUI;
    public GameObject GameOverUI;

    private Rigidbody rb;
    private int currentLives;
    private bool canMove = true;

    private void Start()
    {
        rb = GetComponent<Rigidbody>();
        currentLives = (int)MaxPlayerLives;
        PlayerLivesUI.text = currentLives.ToString();
    }

    private void Update()
    {
        Movement();
        CheckForDeath();
    }

    private void Movement()
    {
        if (canMove == true)
        {
            float speed = MoveSpeed * Time.deltaTime;
            float axisZ = Input.GetAxis("Vertical");
            float axisX = Input.GetAxis("Horizontal");

            rb.AddForce(new Vector3(axisX, 0, axisZ) * speed);
        }
    }

    private void CheckForDeath()
    {
        Vector3 playerPosition = transform.position;
        if (playerPosition.y <= KillingHeight)
        {
            transform.position = new Vector3(0, 0.5f, 0);
            rb.velocity = Vector3.zero;
            rb.angularVelocity = Vector3.zero;
            currentLives--;
            PlayerLivesUI.text = currentLives.ToString();
            if (currentLives <= 0)
            {
                print("Game over");
                GameOverUI.SetActive(true);
                canMove = false;
            }
        }
    }
}