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

public class Player : MonoBehaviour
{
    public Camera camera;

    [SerializeField]
    private Transform follow;
    private Vector3 targetPosition;
    public float currentSpeed;
    public bool grounded;
    Rigidbody rb;

    Vector3 from, to;

    void Start()
    {
        camera = Camera.main;
        rb = GetComponent<Rigidbody>();
        follow = GameObject.Find("Head").GetComponent<Transform>();
    }

    void Update()
    {
        from = camera.transform.position;
        to = follow.position;
        if (Input.GetKeyDown(KeyCode.Space))
        {
            rb.AddForce(new Vector3(0, 1, 0) * 3, ForceMode.Impulse);
        }
        currentSpeed = Mathf.Abs(rb.velocity.magnitude);
    }

    private void FixedUpdate()
    {
        float x = Input.GetAxisRaw("Horizontal");
        float y = Input.GetAxisRaw("Vertical");

        Quaternion rotation = rb.rotation;

        if (Input.GetKey(KeyCode.A))
        {
            transform.Rotate(Vector3.up * -150 * Time.fixedDeltaTime);
        }

        if (Input.GetKey(KeyCode.D))
        {
            transform.Rotate(Vector3.up * 150 * Time.fixedDeltaTime);
        }

        if (Input.GetKey(KeyCode.W))
        {
            rb.AddForce((follow.forward) * 1000);
        }
        float maxforward = 1f;
        if ((Mathf.Abs(rb.velocity.x) >= maxforward || Mathf.Abs(rb.velocity.z) >= maxforward))
        {
            Vector3 movement = new Vector3(rb.velocity.x >= maxforward ? maxforward : rb.velocity.x, rb.velocity.y, rb.velocity.z >= maxforward ? maxforward : rb.velocity.z).normalized * maxforward;
            rb.velocity = new Vector3(movement.x, rb.velocity.y, movement.z);
        }

        if (Input.GetKey(KeyCode.S))
        {
            rb.AddForce((-follow.forward) * 1000);
        }

    }

    private void OnCollisionStay(Collision collision)
    {
        grounded = true;
    }

    private void OnCollisionExit(Collision collision)
    {
        grounded = false;
    }

    void LateUpdate()
    {

        camera.transform.LookAt(to);
    }

    private void OnDrawGizmosSelected()
    {
        Gizmos.color = Color.red;
        Gizmos.DrawLine(from, to);
    }
}