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

public class PlayerInput : MonoBehaviour
{
    public GameObject Barrier1;
    public GameObject Barrier2;

    private Animator anim;
    private Rigidbody rb;

    private float RunningSpeed = 8.5f;
    private float BackwardSpeed = 1.0f;
    private float IdleSpeed = 3.5f;
    private bool CurRunning = false;
    private bool IsGrounded = true;

    private float JumpHeight = 24.0f;
    public float MovementSpeed;
    // Start is called before the first frame update
    void Start()
    {
        anim = GetComponent<Animator>();

        rb = GetComponent<Rigidbody>();
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKey("escape"))
        {
            Application.Quit();
        }

        if (Input.GetKey("d"))
        {
            MovementSpeed = 1 * Time.deltaTime * RunningSpeed;

            transform.Translate(MovementSpeed, 0, 0);

            if(anim.GetBool("Move") == false)
            {
                StartRunAnimation();
            }

            CurRunning = true;
        }
        else if (Input.GetKey("a"))
        {
            MovementSpeed = 1 * Time.deltaTime * BackwardSpeed;

            transform.Translate(MovementSpeed, 0, 0);

            if(anim.GetBool("Move") == true)
            {
                StopRunAnimation();
            }

            CurRunning = false;
        }
        else
        {
            MovementSpeed = 1 * Time.deltaTime * IdleSpeed;

            transform.Translate(MovementSpeed, 0, 0);

            if (anim.GetBool("Move") == true)
            {
                StopRunAnimation();
            }

            CurRunning = false;
        }

        if (Input.GetKeyDown("space") && IsGrounded)
        {
            rb.AddForce(new Vector3(0, JumpHeight, 0), ForceMode.Impulse);

            IsGrounded = false;

            if (Input.GetKey("d"))
            {
                anim.Play("RunningToJump");
            }
            else
            {
                anim.Play("IdleToJump");
            }
        }
    }

    void StartRunAnimation()
    {
        anim.SetBool("Move", true);
    }

    void StopRunAnimation()
    {
        anim.SetBool("Move", false);
    }

    private void OnCollisionEnter(Collision collision)
    {
        if(collision.collider.gameObject.name != "GrassPlatform" && collision.collider.gameObject != Barrier1 && collision.collider.gameObject != Barrier2)
        {
            if(CurRunning == true)
            {
                anim.Play("HitWhileRunning");
            }
            else
            {
                anim.Play("GetHit");
            }
        }
        else
        {
            IsGrounded = true;
        }
    }
}