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

public class PlayerController : MonoBehaviour
{
    public float speed = 5.0f;
    Vector3 movement;
    public TextMeshProUGUI scoreText;
    Rigidbody rb;
    public int points = 0;
    public float jumpSpeed = 5.0f;

    public bool isGrounded = true;
    public bool canDoubleJump = true;

    public float rotateSpeed = 5.0f;
    public int health = 3;
    public TextMeshProUGUI healthText;

    void Start()
    {
        rb = GetComponent<Rigidbody>();
        scoreText = GameObject.Find("Score").GetComponent<TextMeshProUGUI>();
        healthText = GameObject.Find("Health").GetComponent<TextMeshProUGUI>();
        healthText.text = "Health:" + health;
    }

    void Update()
    {
        movement = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
        movement = transform.TransformDirection(movement);

        if(isGrounded)
        {
            if (Input.GetButtonDown("Jump"))
            {
                rb.AddForce(Vector3.up * jumpSpeed, ForceMode.Impulse);
                canDoubleJump = true;
            }
        }
        else
        {
            if (Input.GetButtonDown("Jump"))
            {
                if (canDoubleJump)
                {

                    if(rb.velocity.y < -2.5f)
                    {
                        rb.AddForce(Vector3.up * jumpSpeed * 2, ForceMode.Impulse);
                        canDoubleJump = false;
                    }
                    else
                    {
                        rb.AddForce(Vector3.up * jumpSpeed, ForceMode.Impulse);
                        canDoubleJump = false;
                    }
                }
            }
        }

        if (Input.GetMouseButton(1))
        {
            transform.Rotate(Input.GetAxis("Mouse X") * rotateSpeed * Vector3.up);
        }
    }

    private void FixedUpdate()
    {
        rb.velocity = new Vector3(movement.x, 0, movement.z) * speed + new Vector3(0, rb.velocity.y, 0);
    }

    private void LateUpdate()
    {
        if (transform.rotation.y != Camera.main.transform.rotation.y)
        {
            Quaternion angle = Quaternion.AngleAxis(Camera.main.transform.rotation.eulerAngles.y, Vector3.up);
            transform.rotation = angle;
        }
    }

    public void AddPoints(int awardPoints)
    {
        points += awardPoints;
        scoreText.text = "Score: " + points;
    }

    public void LoseHealth(int removeHealth)
    {
        health -= removeHealth;
        healthText.text = "Health: " + health;
        if (IsDead())
        {
            GameObject.Find("RespawnPoint").GetComponent<GameController>().GameOverSequence();
        }
    }

    public bool IsDead()
    {
        return health <= 0 ? true : false;
    }

    private void OnCollisionEnter(Collision collision)
    {
        if(collision.gameObject.tag == "Ground")
        {
            isGrounded = true;
        }
    }

    private void OnCollisionExit(Collision collision)
    {
        if(collision.gameObject.tag == "Ground")
        {
            isGrounded = false;
        }
    }

}