using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityStandardAssets.CrossPlatformInput;

public class Butterfly_Move : MonoBehaviour
{
    [SerializeField] Transform[] Positions;
    [SerializeField] float moveSpeed = 5f;
    int NextPosIndex;
    Transform NextPos;
    private Animator anim;
    Rigidbody2D rb;
    public ParticleSystem Peri;

    void Start()
    {
        NextPos = Positions[0];
        rb = GetComponent<Rigidbody2D>();
        anim = GetComponent<Animator>();
    }
    void Update()
    {
        MoveGameObjectUp();
        MoveGameObjectDown();
        Animations();
    }
    void MoveGameObjectUp()
    {

        if (CrossPlatformInputManager.GetButtonDown("Jump"))
        {
            NextPosIndex++;
            if (NextPosIndex > 5)
            {
                NextPosIndex = 0;
            }
            NextPos = Positions[NextPosIndex];
        }
        else
        {
            StopDust();
            transform.position = Vector3.MoveTowards(transform.position, NextPos.position, moveSpeed * Time.deltaTime);
            transform.parent = NextPos;
        }

    }

    void MoveGameObjectDown()
    {

        if (CrossPlatformInputManager.GetButtonDown("Down"))
        {
            NextPosIndex--;
            if (NextPosIndex < 0)
            {
                NextPosIndex = 5;
            }
            NextPos = Positions[NextPosIndex];
        }
        else
        {
            StopDust();
            transform.position = Vector3.MoveTowards(transform.position, NextPos.position, moveSpeed * Time.deltaTime);
            transform.parent = NextPos;
        }
    }

    void CreateDust(){
        Peri.Play();
}
    void StopDust()
    {
        Peri.Stop();
    }

    void Animations()
    {
        if (rb.transform.position.y != NextPos.transform.position.y)
        {
            CreateDust();
            anim.SetBool("Idle", true);
            anim.SetBool("IsFlying", false);

        }
        else
        {
            anim.SetBool("IsFlying", true);
            anim.SetBool("Idle", false);
        }
    }
}