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

public partial class PlayerMain
{
    [Header("Movement")]
    [SerializeField] private float speed = 8f;
    [SerializeField] private float jumpVelocity = 100f;
    
    [Header("Ground")]
    [SerializeField] private LayerMask groundLayer;
    [SerializeField] private float groundDistance = 0.2f;
    [SerializeField] private bool drawDebugRaycasts;

    private bool _isGrounded;
    private float _footOffset;


    private void Input_OnJumpTrigger(object sender, EventArgs e)
    {
        HandleJump();
    }

    private void MovementHandler()
    {
        Vector2 move = new Vector2(_input.MoveAxis * speed, _rigidbody2D.velocity.y);

        _rigidbody2D.velocity = move;
    }

    private void HandleJump()
    {
        if (_isGrounded)
            _rigidbody2D.velocity = Vector2.up * jumpVelocity;
    }
    
    void PhysicsCheck()
	{
		_isGrounded = false;

		RaycastHit2D leftCheck = Raycast(new Vector2(-_footOffset, 0f), Vector2.down, groundDistance);
		RaycastHit2D rightCheck = Raycast(new Vector2(_footOffset, 0f), Vector2.down, groundDistance);

		if (leftCheck || rightCheck)
			_isGrounded = true;
	}
    
    RaycastHit2D Raycast(Vector2 offset, Vector2 rayDirection, float length)
    {
        return Raycast(offset, rayDirection, length, groundLayer);
    }

    RaycastHit2D Raycast(Vector2 offset, Vector2 rayDirection, float length, LayerMask mask)
    {
        Vector2 pos = transform.position;
        RaycastHit2D hit = Physics2D.Raycast(pos + offset, rayDirection, length, mask);

        if (drawDebugRaycasts)
        {
            Color color = hit ? Color.red : Color.green;
            Debug.DrawRay(pos + offset, rayDirection * length, color);
        }

        return hit;
    }
}