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

public class FirstPlayerController : MonoBehaviour
{
    public float speed = 2.0f;
    public float kickStrength = 0.001f;
    public GameObject ball;
    private Rigidbody rb;
    private bool hasTheBall = false;
    private Animator animator;
    public GameObject mainCamera;
   

    // Start is called before the first frame update
    void Start()
    {
        animator = GetComponent<Animator>();
        if (ball)
        {
            rb = ball.GetComponent<Rigidbody>();
        }
    }

    void OnCollisionEnter(Collision collision)
    {
        Collider ballCollider = ball.GetComponent<Collider>();
        if (collision.collider == ballCollider)
        {
            hasTheBall = true;
            rb.isKinematic = true;
            rb.useGravity = false;
        }
    }

    void OnCollisionExit(Collision collision)
    {
        Collider ballCollider = ball.GetComponent<Collider>();
        if (collision.collider == ballCollider)
        {
            hasTheBall = false;
            rb.isKinematic = false;
            rb.useGravity = true;
        }
    }

    void ChangeCamera(float distance)
    {
        CameraMovement cm = this.mainCamera.GetComponent<CameraMovement>();
        if (distance <= 0.1f)
        {
            cm.myPlayer = this.gameObject.transform;
            print("prati covjeka");
        }
        else
        {
            print("prati loptu!");
            cm.myPlayer = ball.transform;
        }
        
    }

    // Update is called once per frame
    void Update()
    {
        float distanceToBall = Vector3.Distance(transform.position, ball.transform.position);
        ChangeCamera(distanceToBall);
       
        Vector3 moveDirection = Vector3.zero;
            
            if (Input.GetKey(KeyCode.RightArrow))
            {
                moveDirection = Vector3.right * speed * Time.deltaTime;
                transform.position += moveDirection;
            }
            if (Input.GetKey(KeyCode.LeftArrow))
            {
                moveDirection = Vector3.left * speed * Time.deltaTime;
                transform.position += moveDirection;
            }
            if (Input.GetKey(KeyCode.UpArrow))
            {
                moveDirection = Vector3.forward * speed * Time.deltaTime;
                transform.position += moveDirection;
            }
            if (Input.GetKey(KeyCode.DownArrow))
            {
                moveDirection = Vector3.back * speed * Time.deltaTime;
                transform.position += moveDirection;
            }
            if (Input.GetKey(KeyCode.Space))
            {         
              if (distanceToBall <= 0.1f)
              {
               if (rb)
                {
                  rb.AddForce(transform.forward * kickStrength, ForceMode.Impulse);
                }
              }
            }

        if (moveDirection != Vector3.zero) {

            transform.rotation = Quaternion.LookRotation(moveDirection);
            animator.SetBool("isRunning", true);

            if (hasTheBall) { 
              Vector3 ballPosition = transform.position + (transform.forward.normalized * 1.0f) * Time.deltaTime;
              ball.transform.position = ballPosition;
            }
      
        }
        else
        {
            animator.SetBool("isRunning", false);
        }


         
    }
}