using System.Collections;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using Unity.Mathematics;
using Unity.VisualScripting;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.U2D;
using UnityEngine;
using UnityEngine.U2D.IK;
using UnityEngine.UIElements;


public class NewBehaviourScript : MonoBehaviour
{

    [Header("Move")]
    public float playerInput;
    [SerializeField]private Rigidbody2D playerRb;
    [SerializeField]private float mSpeed;
    public bool facingRight=false;


    [Header("Jump")]
    [SerializeField]private float height;
    [SerializeField]private float gravityF;
    [SerializeField]private float gravityH;
    [SerializeField]private float JumpStarttime;
    [SerializeField]private float coyateTime;
    [SerializeField]private float coyateCounter;
    private float jumpTime;
    private bool isJump;

    [Header("Dash")]
    [SerializeField]private float dashPower=10f;
    [SerializeField]private float dashCooldown;
    [SerializeField]private float dashCooldownCounter;
    

    [Header("Gr")]
    [SerializeField]LayerMask Ground;
    [SerializeField]Transform feetPosition;
    [SerializeField]float radius;
    private bool onGr;



    void Start()
    {
        dashCooldownCounter=dashCooldown;
        playerRb.drag=0;
    }
    void Update()
    {
         Debug.Log(playerRb.velocity);
        //JUmp
        if(Input.GetKeyDown(KeyCode.Space)&&coyateCounter;>0f)
        {
            playerRb.AddForce(new Vector2(transform.position.x,height),ForceMode2D.Impulse);
            isJump=true;
            jumpTime=JumpStarttime;//đặt thời gian để chạy ngược quy định tg giữ nút cách
        }

       
        if(Input.GetKeyUp( KeyCode.Space))
        {
            isJump=false;
        }

        if(onGr==true)
        {
            coyateCounter=coyateTime;
        }
        else
        {
            coyateCounter-=Time.deltaTime;
        }
        onGr=Physics2D.OverlapCircle(feetPosition.position,radius,Ground);
        //flip
        if(playerInput==1&& facingRight==false)
        {
            Flip();
        }
        if(playerInput==-1&& facingRight==true)
        {
            Flip();
        }
        Dash();

       
    }
    
    void smoothJu()
    {
        if(playerRb.velocity.y<0)
        {
            playerRb.velocity+=Vector2.up * Physics2D.gravity.y * (gravityF-1) * Time.deltaTime;
            //tốc độ rơi tăng dần theo tg
        }
        else if(playerRb.velocity.y>0 && isJump)
        {
            playerRb.AddForce(Vector2.down * Physics2D.gravity.y * (gravityH-1) * Time.deltaTime,ForceMode2D.Impulse);
        }
    }
    private void FixedUpdate()
    {
      
        smoothJu();
        playerInput=Input.GetAxisRaw("Horizontal");
        playerRb.velocity=new Vector2(mSpeed*playerInput,playerRb.velocity.y);

    }
   
    void Flip()
    {
        {
            Vector2 currentScale = gameObject.transform.localScale;
            currentScale.x *= -1;
            gameObject.transform.localScale = currentScale;
            facingRight = !facingRight;
         }
    }
    void HoldJump()
    {
         if(Input.GetKey(KeyCode.Space)&&isJump;==true&&coyateCounter;>0f)
        {
            if(jumpTime>0)
            {
             playerRb.velocity=Vector2.up*height;
             jumpTime-=Time.deltaTime;//nếu còn trong tg nhảy cao thì tăng lực nhảy và giảm dần tg nhảy = cooldown tg nhảy cao
            }
            else
            {
                isJump=false;
            }
        }
    }
    void Dash()
    {
           if(Input.GetKeyDown(KeyCode.Q))
        {
            playerRb.velocity=new Vector2(dashPower,playerRb.velocity.y);
        }
    }
}