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

public class MultipleRoller : MonoBehaviour
{
    public Action<float> DelRolling;

    [SerializeField] RectTransform mRctNeedle;

    [SerializeField] Vector2 mRollArea;
    [SerializeField] Vector2 m3XArea;
    [SerializeField] Vector2 m2XArea;
    [SerializeField] Vector2 m1_5XArea;
    [SerializeField] float mRollSpeed = 600;

    public bool IsRolling = false;

    private float mMultiple = 1;
    private int mRollDir = 1;
    private Vector3 mNextPos;

    private void Update()
    {
        if (IsRolling)
        {
            mNextPos = mRctNeedle.localPosition + (Vector3.right * mRollDir * mRollSpeed * Time.deltaTime);
            if (mNextPos.x >= mRollArea.y)
            {
                mNextPos.x = mRollArea.y;
                mRollDir = -1;
            }
            else if (mNextPos.x <= mRollArea.x)
            {
                mNextPos.x = mRollArea.x;
                mRollDir = 1;
            }

            mRctNeedle.localPosition = mNextPos;
            SetMultiple();
        }
    }

    private void SetMultiple()
    {
        float tX = Mathf.Abs(mRctNeedle.localPosition.x);
        if (IsInArea(tX, m3XArea))
        {
            mMultiple = 3;
        }
        else if (IsInArea(tX, m2XArea))
        {
            mMultiple = 2;
        }
        else if (IsInArea(tX, m1_5XArea))
        {
            mMultiple = 1.5f;
        }
        else
        {
            mMultiple = 1;
        }

        DelRolling?.Invoke(mMultiple);
    }

    private bool IsInArea(float pVal, Vector2 pArea)//val and area is positive
    {
        if (pVal >= pArea.x && pVal < pArea.y)
        {
            return true;
        }

        return false;
    }
}