using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Animations;
public class CharacterMovement : MonoBehaviour
{
    private Rigidbody rb;

    [SerializeField]
    private Transform cameraTransform;

    [SerializeField]
    private int maxNumberOfJumps = 2;

    [HideInInspector]
    public int numberOfJumps { get; private set; } = 0;

    [SerializeField]
    private float GroundDis = 2f;

    [SerializeField]
    private float playerSpeed = 10f;

    private float noClipSpeed = 5f;

    [SerializeField]
    private float jumpForce = 1.0f;

    [SerializeField]
    private float gravityScale = 5f;

    [HideInInspector]
    public bool jump {get; private set;}

    private bool noClip;

    private ParticleSystem ps;
    private bool emitingParticles = false;

    //[SerializeField] private Animator animator;
    //Animations

    [HideInInspector]
    public bool canMove = true;
    

    void Start()
    {
        jump = false;
        noClip = false;
        rb = gameObject.GetComponent<Rigidbody>();
        ps = GetComponentInChildren<ParticleSystem>();
    }

    private void Update()
    {
        if ((Input.GetButtonDown("Jump") && OnGround() == true) || (Input.GetButtonDown("Jump") && numberOfJumps < maxNumberOfJumps))
        {
            jump = true;


        }

        if (OnGround()) numberOfJumps = 0;

    }

    // Update is called once per frame
    void FixedUpdate()
    {
        if (!PauseMenuBehaviour.isPaused)
        {
            float horizontal = (Input.GetAxis("Horizontal"));
            float vertical = (Input.GetAxis("Vertical"));

            
            //if(animator.GetFloat("WalkingFloat") != Mathf.Abs(horizontal) + Mathf.Abs(vertical))
                //animator.SetFloat("WalkingFloat", Mathf.Abs(horizontal)+Mathf.Abs(vertical));
            
            if (!noClip)
            {
                rb.velocity = (new Vector3(horizontal * playerSpeed, 0, vertical * playerSpeed) * Time.fixedDeltaTime) + new Vector3(0, rb.velocity.y, 0);
                rb.velocity = Quaternion.AngleAxis(cameraTransform.rotation.eulerAngles.y, Vector3.up) * rb.velocity;
                rb.velocity.Normalize();


                if (jump == true && numberOfJumps < maxNumberOfJumps)
                {
                    //animator.SetTrigger("Jump");
                    numberOfJumps++;
                    jump = false;
                    rb.velocity = new Vector3(rb.velocity.x, 0, rb.velocity.z);
                    rb.AddForce(new Vector3(0, jumpForce, 0), ForceMode.Impulse);
                    if (ps != null && emitingParticles)
                    {
                        ps.Play();
                        Debug.Log("Particle");
                    }
                }
                if (rb.useGravity)
                {
                    rb.AddForce(gravityScale * Physics.gravity);
                }

                Vector3 moveVector = new Vector3(rb.velocity.normalized.x, 0, rb.velocity.normalized.z);
                transform.LookAt(transform.position + moveVector * 2f, Vector3.up);
            } else
            {
                if (horizontal != 0 || vertical != 0 || Input.GetKey(KeyCode.Space) || Input.GetKey(KeyCode.LeftControl))
                {
                    float jumpHeight = 0;
                    if (Input.GetKey(KeyCode.Space))
                    {
                        jumpHeight = jumpForce;
                    }
                    if (Input.GetKey(KeyCode.LeftControl))
                    {
                        jumpHeight = -jumpForce;
                    }


                    Vector3 moveDir = Vector3.Normalize((transform.right * horizontal) + (transform.forward * vertical));

                    //transform.LookAt(transform.position + moveDir);
                    
                    transform.position += new Vector3(moveDir.x * (noClipSpeed * Time.fixedDeltaTime),jumpHeight * Time.fixedDeltaTime ,moveDir.z * (noClipSpeed * Time.fixedDeltaTime));

                }
            }
        }


    }

    private bool OnGround()
    {
        RaycastHit hit;
        bool status = Physics.Raycast(transform.position, Vector3.down,out hit, GroundDis);
        if (hit.collider != null &&hit.collider.gameObject.CompareTag("Bridge"))
        {
            return false;
        }

        emitingParticles = status;
        return status;
    }

    public void SetNoClip(bool state)
    {
        rb.useGravity = !state;
        rb.isKinematic = state;
        noClip = state;
    }

   /* private void OnApplicationFocus(bool focus)
    {
        if (focus)
        {
            if (!PauseMenuBehaviour.isPaused)
            {
                Cursor.lockState = CursorLockMode.Locked;
            } else
            {
                Cursor.lockState = CursorLockMode.None;
            }
        }
        else
        {
            Cursor.lockState = CursorLockMode.None;
        }
    }*/

}