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

public class PlayerMovement : MonoBehaviour
{

    public float m_RunSpeed = 40.0f;

    public CharacterController2D m_CharacterController = null;
    private Animator m_Animator = null;

    float m_HorizontalInput = 0.0f;
    bool m_WantsToJump = false;
    bool m_IsInAttack = false;
    bool m_WasFacingRight = false;

    void Start()
    {
        m_Animator = GetComponent<Animator>();
        m_WasFacingRight = m_CharacterController.IsFacingRight();
    }

    void Update ()
    {
        m_HorizontalInput = 0.0f;

        if(!m_IsInAttack)
        {
            m_HorizontalInput = Input.GetAxisRaw("Horizontal");
            m_Animator.SetBool("IsRunning", Mathf.Abs(m_HorizontalInput) > 0.0f);
            m_Animator.SetFloat("VerticalSpeed", m_CharacterController.GetVerticalSpeed());
            m_WantsToJump = Input.GetButtonDown("Jump");

            if(m_CharacterController.IsGrounded())
            {
                if(Input.GetButtonDown("Fire1"))
                {
                    m_Animator.SetTrigger("Attack");
                }

                if(m_WasFacingRight != m_CharacterController.IsFacingRight())
                {
                    m_Animator.SetTrigger("ChangeDirection");
                    m_WasFacingRight = m_CharacterController.IsFacingRight();
                }
            }
        }
    }

    void FixedUpdate()
    {
        bool didJump = m_CharacterController.Move(m_HorizontalInput * m_RunSpeed * Time.fixedDeltaTime, m_WantsToJump);
        if(didJump)
        {
            m_Animator.SetTrigger("Jump");
        }

        m_WantsToJump = false;
    }

    void StartAttack()
    {
        m_Animator.SetBool("IsRunning", false);
        m_IsInAttack = true;
        m_CharacterController.CanMove = false;
    }

    void EndAttack()
    {
        m_IsInAttack = false;
        m_CharacterController.CanMove = true;
    }
}